Mock Version: 2.9
ENTER ['do_with_status'](['bash', '--login', '-c', '/usr/bin/rpmbuild -bs --target x86_64 --nodeps /builddir/build/SPECS/R-RPostgres.spec'], chrootPath='/var/lib/mock/fedora-rawhide-x86_64-1611713477.346243/root'env={'TERM': 'vt100', 'SHELL': '/bin/bash', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'PROMPT_COMMAND': 'printf "\\033]0;<mock-chroot>\\007"', 'PS1': '<mock-chroot> \\s-\\v\\$ ', 'LANG': 'C.UTF-8'}shell=Falselogger=<mockbuild.trace_decorator.getLog object at 0x7fd8a8f2aa00>timeout=0uid=1001gid=135user='mockbuild'nspawn_args=['--capability=cap_ipc_lock', '--rlimit=RLIMIT_NOFILE=10240', '--capability=cap_ipc_lock', '--bind=/tmp/mock-resolv.7915r273:/etc/resolv.conf', '--bind=/dev/btrfs-control', '--bind=/dev/loop-control', '--bind=/dev/loop0', '--bind=/dev/loop1', '--bind=/dev/loop2', '--bind=/dev/loop3', '--bind=/dev/loop4', '--bind=/dev/loop5', '--bind=/dev/loop6', '--bind=/dev/loop7', '--bind=/dev/loop8', '--bind=/dev/loop9', '--bind=/dev/loop10', '--bind=/dev/loop11']unshare_net=TrueprintOutput=True)
Using nspawn with args ['--capability=cap_ipc_lock', '--rlimit=RLIMIT_NOFILE=10240', '--capability=cap_ipc_lock', '--bind=/tmp/mock-resolv.7915r273:/etc/resolv.conf', '--bind=/dev/btrfs-control', '--bind=/dev/loop-control', '--bind=/dev/loop0', '--bind=/dev/loop1', '--bind=/dev/loop2', '--bind=/dev/loop3', '--bind=/dev/loop4', '--bind=/dev/loop5', '--bind=/dev/loop6', '--bind=/dev/loop7', '--bind=/dev/loop8', '--bind=/dev/loop9', '--bind=/dev/loop10', '--bind=/dev/loop11']
Executing command: ['/usr/bin/systemd-nspawn', '-q', '-M', '992477ecb7d146b2a9221b47d6d421d0', '-D', '/var/lib/mock/fedora-rawhide-x86_64-1611713477.346243/root', '-a', '-u', 'mockbuild', '--capability=cap_ipc_lock', '--rlimit=RLIMIT_NOFILE=10240', '--capability=cap_ipc_lock', '--bind=/tmp/mock-resolv.7915r273:/etc/resolv.conf', '--bind=/dev/btrfs-control', '--bind=/dev/loop-control', '--bind=/dev/loop0', '--bind=/dev/loop1', '--bind=/dev/loop2', '--bind=/dev/loop3', '--bind=/dev/loop4', '--bind=/dev/loop5', '--bind=/dev/loop6', '--bind=/dev/loop7', '--bind=/dev/loop8', '--bind=/dev/loop9', '--bind=/dev/loop10', '--bind=/dev/loop11', '--console=pipe', '--setenv=TERM=vt100', '--setenv=SHELL=/bin/bash', '--setenv=HOME=/builddir', '--setenv=HOSTNAME=mock', '--setenv=PATH=/usr/bin:/bin:/usr/sbin:/sbin', '--setenv=PROMPT_COMMAND=printf "\\033]0;<mock-chroot>\\007"', '--setenv=PS1=<mock-chroot> \\s-\\v\\$ ', '--setenv=LANG=C.UTF-8', '--resolv-conf=off', 'bash', '--login', '-c', '/usr/bin/rpmbuild -bs --target x86_64 --nodeps /builddir/build/SPECS/R-RPostgres.spec'] with env {'TERM': 'vt100', 'SHELL': '/bin/bash', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'PROMPT_COMMAND': 'printf "\\033]0;<mock-chroot>\\007"', 'PS1': '<mock-chroot> \\s-\\v\\$ ', 'LANG': 'C.UTF-8', 'SYSTEMD_NSPAWN_TMPFS_TMP': '0'} and shell False
Building target platforms: x86_64
Building for target x86_64
setting SOURCE_DATE_EPOCH=1611532800
Wrote: /builddir/build/SRPMS/R-RPostgres-1.3.0-2.fc34.src.rpm
Child return code was: 0
ENTER ['do_with_status'](['bash', '--login', '-c', '/usr/bin/rpmbuild -bb --target x86_64 --nodeps /builddir/build/SPECS/R-RPostgres.spec'], chrootPath='/var/lib/mock/fedora-rawhide-x86_64-1611713477.346243/root'env={'TERM': 'vt100', 'SHELL': '/bin/bash', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'PROMPT_COMMAND': 'printf "\\033]0;<mock-chroot>\\007"', 'PS1': '<mock-chroot> \\s-\\v\\$ ', 'LANG': 'C.UTF-8'}shell=Falselogger=<mockbuild.trace_decorator.getLog object at 0x7fd8a8f2aa00>timeout=0uid=1001gid=135user='mockbuild'nspawn_args=['--capability=cap_ipc_lock', '--rlimit=RLIMIT_NOFILE=10240', '--capability=cap_ipc_lock', '--bind=/tmp/mock-resolv.7915r273:/etc/resolv.conf', '--bind=/dev/btrfs-control', '--bind=/dev/loop-control', '--bind=/dev/loop0', '--bind=/dev/loop1', '--bind=/dev/loop2', '--bind=/dev/loop3', '--bind=/dev/loop4', '--bind=/dev/loop5', '--bind=/dev/loop6', '--bind=/dev/loop7', '--bind=/dev/loop8', '--bind=/dev/loop9', '--bind=/dev/loop10', '--bind=/dev/loop11']unshare_net=TrueprintOutput=True)
Using nspawn with args ['--capability=cap_ipc_lock', '--rlimit=RLIMIT_NOFILE=10240', '--capability=cap_ipc_lock', '--bind=/tmp/mock-resolv.7915r273:/etc/resolv.conf', '--bind=/dev/btrfs-control', '--bind=/dev/loop-control', '--bind=/dev/loop0', '--bind=/dev/loop1', '--bind=/dev/loop2', '--bind=/dev/loop3', '--bind=/dev/loop4', '--bind=/dev/loop5', '--bind=/dev/loop6', '--bind=/dev/loop7', '--bind=/dev/loop8', '--bind=/dev/loop9', '--bind=/dev/loop10', '--bind=/dev/loop11']
Executing command: ['/usr/bin/systemd-nspawn', '-q', '-M', '3c932c6fd07041868832933be6a936a3', '-D', '/var/lib/mock/fedora-rawhide-x86_64-1611713477.346243/root', '-a', '-u', 'mockbuild', '--capability=cap_ipc_lock', '--rlimit=RLIMIT_NOFILE=10240', '--capability=cap_ipc_lock', '--bind=/tmp/mock-resolv.7915r273:/etc/resolv.conf', '--bind=/dev/btrfs-control', '--bind=/dev/loop-control', '--bind=/dev/loop0', '--bind=/dev/loop1', '--bind=/dev/loop2', '--bind=/dev/loop3', '--bind=/dev/loop4', '--bind=/dev/loop5', '--bind=/dev/loop6', '--bind=/dev/loop7', '--bind=/dev/loop8', '--bind=/dev/loop9', '--bind=/dev/loop10', '--bind=/dev/loop11', '--console=pipe', '--setenv=TERM=vt100', '--setenv=SHELL=/bin/bash', '--setenv=HOME=/builddir', '--setenv=HOSTNAME=mock', '--setenv=PATH=/usr/bin:/bin:/usr/sbin:/sbin', '--setenv=PROMPT_COMMAND=printf "\\033]0;<mock-chroot>\\007"', '--setenv=PS1=<mock-chroot> \\s-\\v\\$ ', '--setenv=LANG=C.UTF-8', '--resolv-conf=off', 'bash', '--login', '-c', '/usr/bin/rpmbuild -bb --target x86_64 --nodeps /builddir/build/SPECS/R-RPostgres.spec'] with env {'TERM': 'vt100', 'SHELL': '/bin/bash', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'PROMPT_COMMAND': 'printf "\\033]0;<mock-chroot>\\007"', 'PS1': '<mock-chroot> \\s-\\v\\$ ', 'LANG': 'C.UTF-8', 'SYSTEMD_NSPAWN_TMPFS_TMP': '0'} and shell False
Building target platforms: x86_64
Building for target x86_64
setting SOURCE_DATE_EPOCH=1611532800
Executing(%prep): /bin/sh -e /var/tmp/rpm-tmp.nDNPoo
+ umask 022
+ cd /builddir/build/BUILD
+ cd /builddir/build/BUILD
+ rm -rf RPostgres
+ /usr/bin/mkdir -p RPostgres
+ cd RPostgres
+ /usr/bin/gzip -dc /builddir/build/SOURCES/RPostgres_1.3.0.tar.gz
+ /usr/bin/tar -xof -
+ STATUS=0
+ '[' 0 -ne 0 ']'
+ /usr/bin/chmod -Rf a+rX,u+w,g-w,o-w .
+ sed -i 's/covr, //g' RPostgres/DESCRIPTION
+ RPM_EC=0
++ jobs -p
+ exit 0
Executing(%build): /bin/sh -e /var/tmp/rpm-tmp.TAOxhH
+ umask 022
+ cd /builddir/build/BUILD
+ cd RPostgres
+ RPM_EC=0
++ jobs -p
+ exit 0
Executing(%install): /bin/sh -e /var/tmp/rpm-tmp.VhaYvm
+ umask 022
+ cd /builddir/build/BUILD
+ '[' /builddir/build/BUILDROOT/R-RPostgres-1.3.0-2.fc34.x86_64 '!=' / ']'
+ rm -rf /builddir/build/BUILDROOT/R-RPostgres-1.3.0-2.fc34.x86_64
++ dirname /builddir/build/BUILDROOT/R-RPostgres-1.3.0-2.fc34.x86_64
+ mkdir -p /builddir/build/BUILDROOT
+ mkdir /builddir/build/BUILDROOT/R-RPostgres-1.3.0-2.fc34.x86_64
+ cd RPostgres
+ mkdir -p /builddir/build/BUILDROOT/R-RPostgres-1.3.0-2.fc34.x86_64/usr/lib64/R/library
+ /usr/bin/R CMD INSTALL -l /builddir/build/BUILDROOT/R-RPostgres-1.3.0-2.fc34.x86_64/usr/lib64/R/library RPostgres
* installing *source* package 'RPostgres' ...
file 'DESCRIPTION' has the wrong MD5 checksum
** using staged installation
Found pkg-config cflags and libs (libpq 13.1)!
Using PKG_CFLAGS=
Using PKG_LIBS=-lpq 
** libs
g++ -m64 -std=gnu++11 -I"/usr/include/R" -DNDEBUG -DRCPP_DEFAULT_INCLUDE_CALL=false -DRCPP_USING_UTF8_ERROR_STRING -DBOOST_NO_AUTO_PTR -I'/usr/share/R/library/BH/include' -I'/usr/share/R/library/plogr/include' -I'/usr/lib64/R/library/Rcpp/include' -I/usr/local/include  -fvisibility=hidden -fpic  -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection  -c DbColumn.cpp -o DbColumn.o
In file included from /usr/share/R/library/BH/include/boost/mpl/aux_/na_assert.hpp:23,
                 from /usr/share/R/library/BH/include/boost/mpl/arg.hpp:25,
                 from /usr/share/R/library/BH/include/boost/mpl/placeholders.hpp:24,
                 from /usr/share/R/library/BH/include/boost/iterator/iterator_categories.hpp:16,
                 from /usr/share/R/library/BH/include/boost/iterator/iterator_concepts.hpp:10,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbColumn.cpp:2:
/usr/share/R/library/BH/include/boost/mpl/assert.hpp:194:21: warning: unnecessary parentheses in declaration of 'assert_arg' [-Wparentheses]
  194 | failed ************ (Pred::************
      |                     ^~~~~~~~~~~~~~~~~~~
  195 |       assert_arg( void (*)(Pred), typename assert_arg_pred<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  196 |     );
      |     ~                
/usr/share/R/library/BH/include/boost/mpl/assert.hpp:194:21: note: remove parentheses
  194 | failed ************ (Pred::************
      |                     ^~~~~~~~~~~~~~~~~~~
      |                     -
  195 |       assert_arg( void (*)(Pred), typename assert_arg_pred<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  196 |     );
      |     ~                
      |     -
/usr/share/R/library/BH/include/boost/mpl/assert.hpp:199:21: warning: unnecessary parentheses in declaration of 'assert_not_arg' [-Wparentheses]
  199 | failed ************ (boost::mpl::not_<Pred>::************
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  200 |       assert_not_arg( void (*)(Pred), typename assert_arg_pred_not<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  201 |     );
      |     ~                
/usr/share/R/library/BH/include/boost/mpl/assert.hpp:199:21: note: remove parentheses
  199 | failed ************ (boost::mpl::not_<Pred>::************
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                     -
  200 |       assert_not_arg( void (*)(Pred), typename assert_arg_pred_not<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  201 |     );
      |     ~                
      |     -
g++ -m64 -std=gnu++11 -I"/usr/include/R" -DNDEBUG -DRCPP_DEFAULT_INCLUDE_CALL=false -DRCPP_USING_UTF8_ERROR_STRING -DBOOST_NO_AUTO_PTR -I'/usr/share/R/library/BH/include' -I'/usr/share/R/library/plogr/include' -I'/usr/lib64/R/library/Rcpp/include' -I/usr/local/include  -fvisibility=hidden -fpic  -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection  -c DbColumnDataSource.cpp -o DbColumnDataSource.o
g++ -m64 -std=gnu++11 -I"/usr/include/R" -DNDEBUG -DRCPP_DEFAULT_INCLUDE_CALL=false -DRCPP_USING_UTF8_ERROR_STRING -DBOOST_NO_AUTO_PTR -I'/usr/share/R/library/BH/include' -I'/usr/share/R/library/plogr/include' -I'/usr/lib64/R/library/Rcpp/include' -I/usr/local/include  -fvisibility=hidden -fpic  -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection  -c DbColumnDataSourceFactory.cpp -o DbColumnDataSourceFactory.o
g++ -m64 -std=gnu++11 -I"/usr/include/R" -DNDEBUG -DRCPP_DEFAULT_INCLUDE_CALL=false -DRCPP_USING_UTF8_ERROR_STRING -DBOOST_NO_AUTO_PTR -I'/usr/share/R/library/BH/include' -I'/usr/share/R/library/plogr/include' -I'/usr/lib64/R/library/Rcpp/include' -I/usr/local/include  -fvisibility=hidden -fpic  -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection  -c DbColumnStorage.cpp -o DbColumnStorage.o
g++ -m64 -std=gnu++11 -I"/usr/include/R" -DNDEBUG -DRCPP_DEFAULT_INCLUDE_CALL=false -DRCPP_USING_UTF8_ERROR_STRING -DBOOST_NO_AUTO_PTR -I'/usr/share/R/library/BH/include' -I'/usr/share/R/library/plogr/include' -I'/usr/lib64/R/library/Rcpp/include' -I/usr/local/include  -fvisibility=hidden -fpic  -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection  -c DbConnection.cpp -o DbConnection.o
g++ -m64 -std=gnu++11 -I"/usr/include/R" -DNDEBUG -DRCPP_DEFAULT_INCLUDE_CALL=false -DRCPP_USING_UTF8_ERROR_STRING -DBOOST_NO_AUTO_PTR -I'/usr/share/R/library/BH/include' -I'/usr/share/R/library/plogr/include' -I'/usr/lib64/R/library/Rcpp/include' -I/usr/local/include  -fvisibility=hidden -fpic  -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection  -c DbDataFrame.cpp -o DbDataFrame.o
In file included from /usr/share/R/library/BH/include/boost/mpl/aux_/na_assert.hpp:23,
                 from /usr/share/R/library/BH/include/boost/mpl/arg.hpp:25,
                 from /usr/share/R/library/BH/include/boost/mpl/placeholders.hpp:24,
                 from /usr/share/R/library/BH/include/boost/iterator/iterator_categories.hpp:16,
                 from /usr/share/R/library/BH/include/boost/iterator/iterator_concepts.hpp:10,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/mpl/assert.hpp:194:21: warning: unnecessary parentheses in declaration of 'assert_arg' [-Wparentheses]
  194 | failed ************ (Pred::************
      |                     ^~~~~~~~~~~~~~~~~~~
  195 |       assert_arg( void (*)(Pred), typename assert_arg_pred<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  196 |     );
      |     ~                
/usr/share/R/library/BH/include/boost/mpl/assert.hpp:194:21: note: remove parentheses
  194 | failed ************ (Pred::************
      |                     ^~~~~~~~~~~~~~~~~~~
      |                     -
  195 |       assert_arg( void (*)(Pred), typename assert_arg_pred<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  196 |     );
      |     ~                
      |     -
/usr/share/R/library/BH/include/boost/mpl/assert.hpp:199:21: warning: unnecessary parentheses in declaration of 'assert_not_arg' [-Wparentheses]
  199 | failed ************ (boost::mpl::not_<Pred>::************
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  200 |       assert_not_arg( void (*)(Pred), typename assert_arg_pred_not<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  201 |     );
      |     ~                
/usr/share/R/library/BH/include/boost/mpl/assert.hpp:199:21: note: remove parentheses
  199 | failed ************ (boost::mpl::not_<Pred>::************
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                     -
  200 |       assert_not_arg( void (*)(Pred), typename assert_arg_pred_not<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  201 |     );
      |     ~                
      |     -
In file included from /usr/share/R/library/BH/include/boost/smart_ptr/detail/sp_thread_sleep.hpp:22,
                 from /usr/share/R/library/BH/include/boost/smart_ptr/detail/yield_k.hpp:23,
                 from /usr/share/R/library/BH/include/boost/smart_ptr/detail/spinlock_gcc_atomic.hpp:14,
                 from /usr/share/R/library/BH/include/boost/smart_ptr/detail/spinlock.hpp:42,
                 from /usr/share/R/library/BH/include/boost/smart_ptr/detail/spinlock_pool.hpp:25,
                 from /usr/share/R/library/BH/include/boost/smart_ptr/shared_ptr.hpp:29,
                 from /usr/share/R/library/BH/include/boost/shared_ptr.hpp:17,
                 from DbColumn.h:7,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/config/pragma_message.hpp:24:34: note: '#pragma message: The practice of declaring the Bind placeholders (_1, _2, ...) in the global namespace is deprecated. Please use <boost/bind/bind.hpp> + using namespace boost::placeholders, or define BOOST_BIND_GLOBAL_PLACEHOLDERS to retain the current behavior.'
   24 | # define BOOST_PRAGMA_MESSAGE(x) _Pragma(BOOST_STRINGIZE(message(x)))
      |                                  ^~~~~~~
/usr/share/R/library/BH/include/boost/config/pragma_message.hpp:24:34: note: in definition of macro 'BOOST_PRAGMA_MESSAGE'
   24 | # define BOOST_PRAGMA_MESSAGE(x) _Pragma(BOOST_STRINGIZE(message(x)))
      |                                  ^~~~~~~
In file included from /usr/share/R/library/BH/include/boost/concept/assert.hpp:35,
                 from /usr/share/R/library/BH/include/boost/concept_check.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::CopyConstructible<boost::container::stable_vector_iterator<DbColumn*, false> > >]':
/usr/share/R/library/BH/include/boost/concept_check.hpp:167:5:   required from 'struct boost::CopyConstructible<boost::container::stable_vector_iterator<DbColumn*, false> >'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:125:16:   required from 'struct boost::range_detail::IncrementableIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> >'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:147:16:   required from 'struct boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> >'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   [ skipping 3 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >)>'
/usr/share/R/library/BH/include/boost/range/size.hpp:62:9:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47: warning: 'this' pointer null [-Wnonnull]
   39 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
In file included from /usr/share/R/library/BH/include/boost/concept_check.hpp:31,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/usage.hpp:16:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::CopyConstructible<boost::container::stable_vector_iterator<DbColumn*, false> >]'
   16 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
In file included from /usr/share/R/library/BH/include/boost/concept/assert.hpp:35,
                 from /usr/share/R/library/BH/include/boost/concept_check.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::incrementable_traversal_tag> >]':
/usr/share/R/library/BH/include/boost/concept_check.hpp:208:5:   required from 'struct boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::incrementable_traversal_tag>'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::incrementable_traversal_tag>]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::incrementable_traversal_tag> >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::incrementable_traversal_tag> >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::incrementable_traversal_tag>)>'
/usr/share/R/library/BH/include/boost/iterator/iterator_concepts.hpp:114:7:   [ skipping 7 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >)>'
/usr/share/R/library/BH/include/boost/range/size.hpp:62:9:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47: warning: 'this' pointer null [-Wnonnull]
   39 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
In file included from /usr/share/R/library/BH/include/boost/concept_check.hpp:31,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/usage.hpp:16:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::incrementable_traversal_tag>]'
   16 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
In file included from /usr/share/R/library/BH/include/boost/concept/assert.hpp:35,
                 from /usr/share/R/library/BH/include/boost/concept_check.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::incrementable_traversal_tag>]':
/usr/share/R/library/BH/include/boost/iterator/iterator_concepts.hpp:114:7:   required from 'struct boost::range_detail::IncrementableIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> >'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:147:16:   required from 'struct boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> >'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >)>'
/usr/share/R/library/BH/include/boost/range/size.hpp:62:9:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47: warning: 'this' pointer null [-Wnonnull]
   39 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
In file included from /usr/share/R/library/BH/include/boost/concept_check.hpp:31,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/usage.hpp:30:7: note: in a call to non-static member function 'boost::Convertible<X, Y>::~Convertible() [with X = boost::iterators::random_access_traversal_tag; Y = boost::iterators::incrementable_traversal_tag]'
   30 |       ~model()
      |       ^
/usr/share/R/library/BH/include/boost/concept_check.hpp:208:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  208 |     BOOST_CONCEPT_USAGE(Convertible) {
      |     ^~~~~~~~~~~~~~~~~~~
In file included from /usr/share/R/library/BH/include/boost/concept/assert.hpp:35,
                 from /usr/share/R/library/BH/include/boost/concept_check.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::range_detail::IncrementableIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> > >]':
/usr/share/R/library/BH/include/boost/range/concepts.hpp:136:13:   required from 'struct boost::range_detail::IncrementableIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> >'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:147:16:   required from 'struct boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> >'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >)>'
/usr/share/R/library/BH/include/boost/range/size.hpp:62:9:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47: warning: 'this' pointer null [-Wnonnull]
   39 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
In file included from /usr/share/R/library/BH/include/boost/concept_check.hpp:31,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/usage.hpp:16:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::range_detail::IncrementableIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> >]'
   16 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
In file included from /usr/share/R/library/BH/include/boost/concept/assert.hpp:35,
                 from /usr/share/R/library/BH/include/boost/concept_check.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::EqualityComparable<boost::container::stable_vector_iterator<DbColumn*, false> > >]':
/usr/share/R/library/BH/include/boost/concept_check.hpp:233:5:   required from 'struct boost::EqualityComparable<boost::container::stable_vector_iterator<DbColumn*, false> >'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:147:16:   required from 'struct boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> >'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >)>'
/usr/share/R/library/BH/include/boost/range/size.hpp:62:9:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47: warning: 'this' pointer null [-Wnonnull]
   39 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
In file included from /usr/share/R/library/BH/include/boost/concept_check.hpp:31,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/usage.hpp:16:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::EqualityComparable<boost::container::stable_vector_iterator<DbColumn*, false> >]'
   16 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
In file included from /usr/share/R/library/BH/include/boost/concept/assert.hpp:35,
                 from /usr/share/R/library/BH/include/boost/concept_check.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::single_pass_traversal_tag> >]':
/usr/share/R/library/BH/include/boost/concept_check.hpp:208:5:   required from 'struct boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::single_pass_traversal_tag>'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::single_pass_traversal_tag>]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::single_pass_traversal_tag> >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::single_pass_traversal_tag> >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::single_pass_traversal_tag>)>'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:152:13:   [ skipping 6 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >)>'
/usr/share/R/library/BH/include/boost/range/size.hpp:62:9:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47: warning: 'this' pointer null [-Wnonnull]
   39 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
In file included from /usr/share/R/library/BH/include/boost/concept_check.hpp:31,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/usage.hpp:16:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::single_pass_traversal_tag>]'
   16 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
In file included from /usr/share/R/library/BH/include/boost/concept/assert.hpp:35,
                 from /usr/share/R/library/BH/include/boost/concept_check.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::single_pass_traversal_tag>]':
/usr/share/R/library/BH/include/boost/range/concepts.hpp:152:13:   required from 'struct boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> >'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >)>'
/usr/share/R/library/BH/include/boost/range/size.hpp:62:9:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47: warning: 'this' pointer null [-Wnonnull]
   39 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
In file included from /usr/share/R/library/BH/include/boost/concept_check.hpp:31,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/usage.hpp:30:7: note: in a call to non-static member function 'boost::Convertible<X, Y>::~Convertible() [with X = boost::iterators::random_access_traversal_tag; Y = boost::iterators::single_pass_traversal_tag]'
   30 |       ~model()
      |       ^
/usr/share/R/library/BH/include/boost/concept_check.hpp:208:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  208 |     BOOST_CONCEPT_USAGE(Convertible) {
      |     ^~~~~~~~~~~~~~~~~~~
In file included from /usr/share/R/library/BH/include/boost/concept/assert.hpp:35,
                 from /usr/share/R/library/BH/include/boost/concept_check.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> > >]':
/usr/share/R/library/BH/include/boost/range/concepts.hpp:158:13:   required from 'struct boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> >'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >)>'
/usr/share/R/library/BH/include/boost/range/size.hpp:62:9:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47: warning: 'this' pointer null [-Wnonnull]
   39 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
In file included from /usr/share/R/library/BH/include/boost/concept_check.hpp:31,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/usage.hpp:16:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> >]'
   16 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
In file included from /usr/share/R/library/BH/include/boost/concept/assert.hpp:35,
                 from /usr/share/R/library/BH/include/boost/concept_check.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> >]':
/usr/share/R/library/BH/include/boost/range/concepts.hpp:278:9:   required from 'struct boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >)>'
/usr/share/R/library/BH/include/boost/range/size.hpp:62:9:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47: warning: 'this' pointer null [-Wnonnull]
   39 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
In file included from /usr/share/R/library/BH/include/boost/concept_check.hpp:31,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/usage.hpp:30:7: note: in a call to non-static member function 'boost::range_detail::SinglePassIteratorConcept<Iterator>::~SinglePassIteratorConcept() [with Iterator = boost::container::stable_vector_iterator<DbColumn*, false>]'
   30 |       ~model()
      |       ^
/usr/share/R/library/BH/include/boost/range/concepts.hpp:158:13: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  158 |             BOOST_CONCEPT_USAGE(SinglePassIteratorConcept)
      |             ^~~~~~~~~~~~~~~~~~~
In file included from /usr/share/R/library/BH/include/boost/concept/assert.hpp:35,
                 from /usr/share/R/library/BH/include/boost/concept_check.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::CopyConstructible<boost::container::stable_vector_iterator<DbColumn*, true> > >]':
/usr/share/R/library/BH/include/boost/concept_check.hpp:167:5:   required from 'struct boost::CopyConstructible<boost::container::stable_vector_iterator<DbColumn*, true> >'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:125:16:   required from 'struct boost::range_detail::IncrementableIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, true> >'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:147:16:   required from 'struct boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, true> >'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, true> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, true> > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   [ skipping 3 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >)>'
/usr/share/R/library/BH/include/boost/range/size.hpp:62:9:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47: warning: 'this' pointer null [-Wnonnull]
   39 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
In file included from /usr/share/R/library/BH/include/boost/concept_check.hpp:31,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/usage.hpp:16:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::CopyConstructible<boost::container::stable_vector_iterator<DbColumn*, true> >]'
   16 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
In file included from /usr/share/R/library/BH/include/boost/concept/assert.hpp:35,
                 from /usr/share/R/library/BH/include/boost/concept_check.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::range_detail::IncrementableIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, true> > >]':
/usr/share/R/library/BH/include/boost/range/concepts.hpp:136:13:   required from 'struct boost::range_detail::IncrementableIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, true> >'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:147:16:   required from 'struct boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, true> >'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, true> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, true> > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, true> > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >)>'
/usr/share/R/library/BH/include/boost/range/size.hpp:62:9:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47: warning: 'this' pointer null [-Wnonnull]
   39 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
In file included from /usr/share/R/library/BH/include/boost/concept_check.hpp:31,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/usage.hpp:16:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::range_detail::IncrementableIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, true> >]'
   16 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
In file included from /usr/share/R/library/BH/include/boost/concept/assert.hpp:35,
                 from /usr/share/R/library/BH/include/boost/concept_check.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::EqualityComparable<boost::container::stable_vector_iterator<DbColumn*, true> > >]':
/usr/share/R/library/BH/include/boost/concept_check.hpp:233:5:   required from 'struct boost::EqualityComparable<boost::container::stable_vector_iterator<DbColumn*, true> >'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:147:16:   required from 'struct boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, true> >'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, true> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, true> > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, true> > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >)>'
/usr/share/R/library/BH/include/boost/range/size.hpp:62:9:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47: warning: 'this' pointer null [-Wnonnull]
   39 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
In file included from /usr/share/R/library/BH/include/boost/concept_check.hpp:31,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/usage.hpp:16:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::EqualityComparable<boost::container::stable_vector_iterator<DbColumn*, true> >]'
   16 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
In file included from /usr/share/R/library/BH/include/boost/concept/assert.hpp:35,
                 from /usr/share/R/library/BH/include/boost/concept_check.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, true> > >]':
/usr/share/R/library/BH/include/boost/range/concepts.hpp:158:13:   required from 'struct boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, true> >'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, true> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, true> > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, true> > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >)>'
/usr/share/R/library/BH/include/boost/range/size.hpp:62:9:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47: warning: 'this' pointer null [-Wnonnull]
   39 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
In file included from /usr/share/R/library/BH/include/boost/concept_check.hpp:31,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/usage.hpp:16:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, true> >]'
   16 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
In file included from /usr/share/R/library/BH/include/boost/concept/assert.hpp:35,
                 from /usr/share/R/library/BH/include/boost/concept_check.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, true> >]':
/usr/share/R/library/BH/include/boost/range/concepts.hpp:281:9:   required from 'struct boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >)>'
/usr/share/R/library/BH/include/boost/range/size.hpp:62:9:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47: warning: 'this' pointer null [-Wnonnull]
   39 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
In file included from /usr/share/R/library/BH/include/boost/concept_check.hpp:31,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/usage.hpp:30:7: note: in a call to non-static member function 'boost::range_detail::SinglePassIteratorConcept<Iterator>::~SinglePassIteratorConcept() [with Iterator = boost::container::stable_vector_iterator<DbColumn*, true>]'
   30 |       ~model()
      |       ^
/usr/share/R/library/BH/include/boost/range/concepts.hpp:158:13: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  158 |             BOOST_CONCEPT_USAGE(SinglePassIteratorConcept)
      |             ^~~~~~~~~~~~~~~~~~~
In file included from /usr/share/R/library/BH/include/boost/concept/assert.hpp:35,
                 from /usr/share/R/library/BH/include/boost/concept_check.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >]':
/usr/share/R/library/BH/include/boost/range/concepts.hpp:284:9:   required from 'struct boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >)>'
/usr/share/R/library/BH/include/boost/range/size.hpp:62:9:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47: warning: 'this' pointer null [-Wnonnull]
   39 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
In file included from /usr/share/R/library/BH/include/boost/concept_check.hpp:31,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/usage.hpp:16:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >]'
   16 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
In file included from /usr/share/R/library/BH/include/boost/concept/assert.hpp:35,
                 from /usr/share/R/library/BH/include/boost/concept_check.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >]':
/usr/share/R/library/BH/include/boost/range/size.hpp:62:9:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47: warning: 'this' pointer null [-Wnonnull]
   39 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
In file included from /usr/share/R/library/BH/include/boost/concept_check.hpp:31,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/usage.hpp:30:7: note: in a call to non-static member function 'boost::SinglePassRangeConcept<T>::~SinglePassRangeConcept() [with T = boost::container::stable_vector<DbColumn>]'
   30 |       ~model()
      |       ^
/usr/share/R/library/BH/include/boost/range/concepts.hpp:284:9: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  284 |         BOOST_CONCEPT_USAGE(SinglePassRangeConcept)
      |         ^~~~~~~~~~~~~~~~~~~
In file included from /usr/share/R/library/BH/include/boost/concept/assert.hpp:35,
                 from /usr/share/R/library/BH/include/boost/concept_check.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::CopyConstructible<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >]':
/usr/share/R/library/BH/include/boost/concept_check.hpp:167:5:   required from 'struct boost::CopyConstructible<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:125:16:   required from 'struct boost::range_detail::IncrementableIteratorConcept<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:147:16:   required from 'struct boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   [ skipping 3 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >)>'
/usr/share/R/library/BH/include/boost/range/algorithm_ext/for_each.hpp:54:13:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47: warning: 'this' pointer null [-Wnonnull]
   39 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
In file included from /usr/share/R/library/BH/include/boost/concept_check.hpp:31,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/usage.hpp:16:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::CopyConstructible<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]'
   16 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
In file included from /usr/share/R/library/BH/include/boost/concept/assert.hpp:35,
                 from /usr/share/R/library/BH/include/boost/concept_check.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::range_detail::IncrementableIteratorConcept<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >]':
/usr/share/R/library/BH/include/boost/range/concepts.hpp:136:13:   required from 'struct boost::range_detail::IncrementableIteratorConcept<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:147:16:   required from 'struct boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >)>'
/usr/share/R/library/BH/include/boost/range/algorithm_ext/for_each.hpp:54:13:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47: warning: 'this' pointer null [-Wnonnull]
   39 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
In file included from /usr/share/R/library/BH/include/boost/concept_check.hpp:31,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/usage.hpp:16:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::range_detail::IncrementableIteratorConcept<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]'
   16 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
In file included from /usr/share/R/library/BH/include/boost/concept/assert.hpp:35,
                 from /usr/share/R/library/BH/include/boost/concept_check.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::EqualityComparable<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >]':
/usr/share/R/library/BH/include/boost/concept_check.hpp:233:5:   required from 'struct boost::EqualityComparable<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:147:16:   required from 'struct boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >)>'
/usr/share/R/library/BH/include/boost/range/algorithm_ext/for_each.hpp:54:13:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47: warning: 'this' pointer null [-Wnonnull]
   39 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
In file included from /usr/share/R/library/BH/include/boost/concept_check.hpp:31,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/usage.hpp:16:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::EqualityComparable<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]'
   16 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
In file included from /usr/share/R/library/BH/include/boost/concept/assert.hpp:35,
                 from /usr/share/R/library/BH/include/boost/concept_check.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >]':
/usr/share/R/library/BH/include/boost/range/concepts.hpp:158:13:   required from 'struct boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >)>'
/usr/share/R/library/BH/include/boost/range/algorithm_ext/for_each.hpp:54:13:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47: warning: 'this' pointer null [-Wnonnull]
   39 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
In file included from /usr/share/R/library/BH/include/boost/concept_check.hpp:31,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/usage.hpp:16:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]'
   16 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
In file included from /usr/share/R/library/BH/include/boost/concept/assert.hpp:35,
                 from /usr/share/R/library/BH/include/boost/concept_check.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]':
/usr/share/R/library/BH/include/boost/range/concepts.hpp:278:9:   required from 'struct boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >)>'
/usr/share/R/library/BH/include/boost/range/algorithm_ext/for_each.hpp:54:13:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47: warning: 'this' pointer null [-Wnonnull]
   39 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
In file included from /usr/share/R/library/BH/include/boost/concept_check.hpp:31,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/usage.hpp:30:7: note: in a call to non-static member function 'boost::range_detail::SinglePassIteratorConcept<Iterator>::~SinglePassIteratorConcept() [with Iterator = __gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > >]'
   30 |       ~model()
      |       ^
/usr/share/R/library/BH/include/boost/range/concepts.hpp:158:13: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  158 |             BOOST_CONCEPT_USAGE(SinglePassIteratorConcept)
      |             ^~~~~~~~~~~~~~~~~~~
In file included from /usr/share/R/library/BH/include/boost/concept/assert.hpp:35,
                 from /usr/share/R/library/BH/include/boost/concept_check.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::CopyConstructible<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >]':
/usr/share/R/library/BH/include/boost/concept_check.hpp:167:5:   required from 'struct boost::CopyConstructible<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:125:16:   required from 'struct boost::range_detail::IncrementableIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:147:16:   required from 'struct boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   [ skipping 3 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >)>'
/usr/share/R/library/BH/include/boost/range/algorithm_ext/for_each.hpp:54:13:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47: warning: 'this' pointer null [-Wnonnull]
   39 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
In file included from /usr/share/R/library/BH/include/boost/concept_check.hpp:31,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/usage.hpp:16:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::CopyConstructible<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]'
   16 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
In file included from /usr/share/R/library/BH/include/boost/concept/assert.hpp:35,
                 from /usr/share/R/library/BH/include/boost/concept_check.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::range_detail::IncrementableIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >]':
/usr/share/R/library/BH/include/boost/range/concepts.hpp:136:13:   required from 'struct boost::range_detail::IncrementableIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:147:16:   required from 'struct boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >)>'
/usr/share/R/library/BH/include/boost/range/algorithm_ext/for_each.hpp:54:13:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47: warning: 'this' pointer null [-Wnonnull]
   39 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
In file included from /usr/share/R/library/BH/include/boost/concept_check.hpp:31,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/usage.hpp:16:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::range_detail::IncrementableIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]'
   16 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
In file included from /usr/share/R/library/BH/include/boost/concept/assert.hpp:35,
                 from /usr/share/R/library/BH/include/boost/concept_check.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::EqualityComparable<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >]':
/usr/share/R/library/BH/include/boost/concept_check.hpp:233:5:   required from 'struct boost::EqualityComparable<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:147:16:   required from 'struct boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >)>'
/usr/share/R/library/BH/include/boost/range/algorithm_ext/for_each.hpp:54:13:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47: warning: 'this' pointer null [-Wnonnull]
   39 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
In file included from /usr/share/R/library/BH/include/boost/concept_check.hpp:31,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/usage.hpp:16:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::EqualityComparable<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]'
   16 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
In file included from /usr/share/R/library/BH/include/boost/concept/assert.hpp:35,
                 from /usr/share/R/library/BH/include/boost/concept_check.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >]':
/usr/share/R/library/BH/include/boost/range/concepts.hpp:158:13:   required from 'struct boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >)>'
/usr/share/R/library/BH/include/boost/range/algorithm_ext/for_each.hpp:54:13:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47: warning: 'this' pointer null [-Wnonnull]
   39 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
In file included from /usr/share/R/library/BH/include/boost/concept_check.hpp:31,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/usage.hpp:16:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]'
   16 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
In file included from /usr/share/R/library/BH/include/boost/concept/assert.hpp:35,
                 from /usr/share/R/library/BH/include/boost/concept_check.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]':
/usr/share/R/library/BH/include/boost/range/concepts.hpp:281:9:   required from 'struct boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >)>'
/usr/share/R/library/BH/include/boost/range/algorithm_ext/for_each.hpp:54:13:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47: warning: 'this' pointer null [-Wnonnull]
   39 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
In file included from /usr/share/R/library/BH/include/boost/concept_check.hpp:31,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/usage.hpp:30:7: note: in a call to non-static member function 'boost::range_detail::SinglePassIteratorConcept<Iterator>::~SinglePassIteratorConcept() [with Iterator = __gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > >]'
   30 |       ~model()
      |       ^
/usr/share/R/library/BH/include/boost/range/concepts.hpp:158:13: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  158 |             BOOST_CONCEPT_USAGE(SinglePassIteratorConcept)
      |             ^~~~~~~~~~~~~~~~~~~
In file included from /usr/share/R/library/BH/include/boost/concept/assert.hpp:35,
                 from /usr/share/R/library/BH/include/boost/concept_check.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > > >]':
/usr/share/R/library/BH/include/boost/range/concepts.hpp:284:9:   required from 'struct boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >)>'
/usr/share/R/library/BH/include/boost/range/algorithm_ext/for_each.hpp:54:13:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47: warning: 'this' pointer null [-Wnonnull]
   39 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
In file included from /usr/share/R/library/BH/include/boost/concept_check.hpp:31,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/usage.hpp:16:5: note: in a call to non-static member function 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >]'
   16 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
In file included from /usr/share/R/library/BH/include/boost/concept/assert.hpp:35,
                 from /usr/share/R/library/BH/include/boost/concept_check.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp: In instantiation of 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >]':
/usr/share/R/library/BH/include/boost/range/algorithm_ext/for_each.hpp:54:13:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47: warning: 'this' pointer null [-Wnonnull]
   39 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
In file included from /usr/share/R/library/BH/include/boost/concept_check.hpp:31,
                 from /usr/share/R/library/BH/include/boost/range/concepts.hpp:19,
                 from /usr/share/R/library/BH/include/boost/range/size_type.hpp:20,
                 from /usr/share/R/library/BH/include/boost/range/size.hpp:21,
                 from /usr/share/R/library/BH/include/boost/range/functions.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/detail/reversible_ptr_container.hpp:30,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_sequence_adapter.hpp:20,
                 from /usr/share/R/library/BH/include/boost/ptr_container/ptr_vector.hpp:20,
                 from DbColumn.h:8,
                 from DbDataFrame.cpp:3:
/usr/share/R/library/BH/include/boost/concept/usage.hpp:30:7: note: in a call to non-static member function 'boost::SinglePassRangeConcept<T>::~SinglePassRangeConcept() [with T = std::vector<std::__cxx11::basic_string<char> >]'
   30 |       ~model()
      |       ^
/usr/share/R/library/BH/include/boost/range/concepts.hpp:284:9: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  284 |         BOOST_CONCEPT_USAGE(SinglePassRangeConcept)
      |         ^~~~~~~~~~~~~~~~~~~
/usr/share/R/library/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::CopyConstructible<boost::container::stable_vector_iterator<DbColumn*, false> >]':
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::CopyConstructible<boost::container::stable_vector_iterator<DbColumn*, false> > >]'
/usr/share/R/library/BH/include/boost/concept_check.hpp:167:5:   required from 'struct boost::CopyConstructible<boost::container::stable_vector_iterator<DbColumn*, false> >'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:125:16:   required from 'struct boost::range_detail::IncrementableIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> >'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:147:16:   required from 'struct boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> >'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   [ skipping 4 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >)>'
/usr/share/R/library/BH/include/boost/range/size.hpp:62:9:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/usage.hpp:16:48: warning: 'this' pointer null [-Wnonnull]
   16 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/usr/share/R/library/BH/include/boost/concept/usage.hpp:30:7: note: in a call to non-static member function 'boost::CopyConstructible<TT>::~CopyConstructible() [with TT = boost::container::stable_vector_iterator<DbColumn*, false>]'
   30 |       ~model()
      |       ^
/usr/share/R/library/BH/include/boost/concept_check.hpp:167:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  167 |     BOOST_CONCEPT_USAGE(CopyConstructible) {
      |     ^~~~~~~~~~~~~~~~~~~
/usr/share/R/library/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::incrementable_traversal_tag>]':
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::incrementable_traversal_tag> >]'
/usr/share/R/library/BH/include/boost/concept_check.hpp:208:5:   required from 'struct boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::incrementable_traversal_tag>'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::incrementable_traversal_tag>]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::incrementable_traversal_tag> >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::incrementable_traversal_tag> >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   [ skipping 8 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >)>'
/usr/share/R/library/BH/include/boost/range/size.hpp:62:9:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/usage.hpp:16:48: warning: 'this' pointer null [-Wnonnull]
   16 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/usr/share/R/library/BH/include/boost/concept/usage.hpp:30:7: note: in a call to non-static member function 'boost::Convertible<X, Y>::~Convertible() [with X = boost::iterators::random_access_traversal_tag; Y = boost::iterators::incrementable_traversal_tag]'
   30 |       ~model()
      |       ^
/usr/share/R/library/BH/include/boost/concept_check.hpp:208:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  208 |     BOOST_CONCEPT_USAGE(Convertible) {
      |     ^~~~~~~~~~~~~~~~~~~
/usr/share/R/library/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::range_detail::IncrementableIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> >]':
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::range_detail::IncrementableIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> > >]'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:136:13:   required from 'struct boost::range_detail::IncrementableIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> >'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:147:16:   required from 'struct boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> >'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   [ skipping 3 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >)>'
/usr/share/R/library/BH/include/boost/range/size.hpp:62:9:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/usage.hpp:16:48: warning: 'this' pointer null [-Wnonnull]
   16 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/usr/share/R/library/BH/include/boost/concept/usage.hpp:30:7: note: in a call to non-static member function 'boost::range_detail::IncrementableIteratorConcept<Iterator>::~IncrementableIteratorConcept() [with Iterator = boost::container::stable_vector_iterator<DbColumn*, false>]'
   30 |       ~model()
      |       ^
/usr/share/R/library/BH/include/boost/range/concepts.hpp:136:13: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  136 |             BOOST_CONCEPT_USAGE(IncrementableIteratorConcept)
      |             ^~~~~~~~~~~~~~~~~~~
/usr/share/R/library/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::EqualityComparable<boost::container::stable_vector_iterator<DbColumn*, false> >]':
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::EqualityComparable<boost::container::stable_vector_iterator<DbColumn*, false> > >]'
/usr/share/R/library/BH/include/boost/concept_check.hpp:233:5:   required from 'struct boost::EqualityComparable<boost::container::stable_vector_iterator<DbColumn*, false> >'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:147:16:   required from 'struct boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> >'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   [ skipping 3 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >)>'
/usr/share/R/library/BH/include/boost/range/size.hpp:62:9:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/usage.hpp:16:48: warning: 'this' pointer null [-Wnonnull]
   16 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/usr/share/R/library/BH/include/boost/concept/usage.hpp:30:7: note: in a call to non-static member function 'boost::EqualityComparable<TT>::~EqualityComparable() [with TT = boost::container::stable_vector_iterator<DbColumn*, false>]'
   30 |       ~model()
      |       ^
/usr/share/R/library/BH/include/boost/concept_check.hpp:233:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  233 |     BOOST_CONCEPT_USAGE(EqualityComparable) {
      |     ^~~~~~~~~~~~~~~~~~~
/usr/share/R/library/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::single_pass_traversal_tag>]':
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::single_pass_traversal_tag> >]'
/usr/share/R/library/BH/include/boost/concept_check.hpp:208:5:   required from 'struct boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::single_pass_traversal_tag>'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::single_pass_traversal_tag>]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::single_pass_traversal_tag> >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::single_pass_traversal_tag> >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   [ skipping 7 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >)>'
/usr/share/R/library/BH/include/boost/range/size.hpp:62:9:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/usage.hpp:16:48: warning: 'this' pointer null [-Wnonnull]
   16 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/usr/share/R/library/BH/include/boost/concept/usage.hpp:30:7: note: in a call to non-static member function 'boost::Convertible<X, Y>::~Convertible() [with X = boost::iterators::random_access_traversal_tag; Y = boost::iterators::single_pass_traversal_tag]'
   30 |       ~model()
      |       ^
/usr/share/R/library/BH/include/boost/concept_check.hpp:208:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  208 |     BOOST_CONCEPT_USAGE(Convertible) {
      |     ^~~~~~~~~~~~~~~~~~~
/usr/share/R/library/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> >]':
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> > >]'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:158:13:   required from 'struct boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> >'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, false> > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >)>'
/usr/share/R/library/BH/include/boost/range/size.hpp:62:9:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/usage.hpp:16:48: warning: 'this' pointer null [-Wnonnull]
   16 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/usr/share/R/library/BH/include/boost/concept/usage.hpp:30:7: note: in a call to non-static member function 'boost::range_detail::SinglePassIteratorConcept<Iterator>::~SinglePassIteratorConcept() [with Iterator = boost::container::stable_vector_iterator<DbColumn*, false>]'
   30 |       ~model()
      |       ^
/usr/share/R/library/BH/include/boost/range/concepts.hpp:158:13: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  158 |             BOOST_CONCEPT_USAGE(SinglePassIteratorConcept)
      |             ^~~~~~~~~~~~~~~~~~~
/usr/share/R/library/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::CopyConstructible<boost::container::stable_vector_iterator<DbColumn*, true> >]':
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::CopyConstructible<boost::container::stable_vector_iterator<DbColumn*, true> > >]'
/usr/share/R/library/BH/include/boost/concept_check.hpp:167:5:   required from 'struct boost::CopyConstructible<boost::container::stable_vector_iterator<DbColumn*, true> >'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:125:16:   required from 'struct boost::range_detail::IncrementableIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, true> >'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:147:16:   required from 'struct boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, true> >'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, true> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   [ skipping 4 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >)>'
/usr/share/R/library/BH/include/boost/range/size.hpp:62:9:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/usage.hpp:16:48: warning: 'this' pointer null [-Wnonnull]
   16 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/usr/share/R/library/BH/include/boost/concept/usage.hpp:30:7: note: in a call to non-static member function 'boost::CopyConstructible<TT>::~CopyConstructible() [with TT = boost::container::stable_vector_iterator<DbColumn*, true>]'
   30 |       ~model()
      |       ^
/usr/share/R/library/BH/include/boost/concept_check.hpp:167:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  167 |     BOOST_CONCEPT_USAGE(CopyConstructible) {
      |     ^~~~~~~~~~~~~~~~~~~
/usr/share/R/library/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::range_detail::IncrementableIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, true> >]':
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::range_detail::IncrementableIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, true> > >]'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:136:13:   required from 'struct boost::range_detail::IncrementableIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, true> >'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:147:16:   required from 'struct boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, true> >'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, true> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, true> > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   [ skipping 3 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >)>'
/usr/share/R/library/BH/include/boost/range/size.hpp:62:9:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/usage.hpp:16:48: warning: 'this' pointer null [-Wnonnull]
   16 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/usr/share/R/library/BH/include/boost/concept/usage.hpp:30:7: note: in a call to non-static member function 'boost::range_detail::IncrementableIteratorConcept<Iterator>::~IncrementableIteratorConcept() [with Iterator = boost::container::stable_vector_iterator<DbColumn*, true>]'
   30 |       ~model()
      |       ^
/usr/share/R/library/BH/include/boost/range/concepts.hpp:136:13: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  136 |             BOOST_CONCEPT_USAGE(IncrementableIteratorConcept)
      |             ^~~~~~~~~~~~~~~~~~~
/usr/share/R/library/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::EqualityComparable<boost::container::stable_vector_iterator<DbColumn*, true> >]':
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::EqualityComparable<boost::container::stable_vector_iterator<DbColumn*, true> > >]'
/usr/share/R/library/BH/include/boost/concept_check.hpp:233:5:   required from 'struct boost::EqualityComparable<boost::container::stable_vector_iterator<DbColumn*, true> >'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:147:16:   required from 'struct boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, true> >'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, true> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, true> > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   [ skipping 3 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >)>'
/usr/share/R/library/BH/include/boost/range/size.hpp:62:9:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/usage.hpp:16:48: warning: 'this' pointer null [-Wnonnull]
   16 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/usr/share/R/library/BH/include/boost/concept/usage.hpp:30:7: note: in a call to non-static member function 'boost::EqualityComparable<TT>::~EqualityComparable() [with TT = boost::container::stable_vector_iterator<DbColumn*, true>]'
   30 |       ~model()
      |       ^
/usr/share/R/library/BH/include/boost/concept_check.hpp:233:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  233 |     BOOST_CONCEPT_USAGE(EqualityComparable) {
      |     ^~~~~~~~~~~~~~~~~~~
/usr/share/R/library/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, true> >]':
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, true> > >]'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:158:13:   required from 'struct boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, true> >'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, true> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, true> > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<boost::container::stable_vector_iterator<DbColumn*, true> > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >)>'
/usr/share/R/library/BH/include/boost/range/size.hpp:62:9:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/usage.hpp:16:48: warning: 'this' pointer null [-Wnonnull]
   16 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/usr/share/R/library/BH/include/boost/concept/usage.hpp:30:7: note: in a call to non-static member function 'boost::range_detail::SinglePassIteratorConcept<Iterator>::~SinglePassIteratorConcept() [with Iterator = boost::container::stable_vector_iterator<DbColumn*, true>]'
   30 |       ~model()
      |       ^
/usr/share/R/library/BH/include/boost/range/concepts.hpp:158:13: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  158 |             BOOST_CONCEPT_USAGE(SinglePassIteratorConcept)
      |             ^~~~~~~~~~~~~~~~~~~
/usr/share/R/library/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >]':
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >]'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:284:9:   required from 'struct boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<boost::container::stable_vector<DbColumn> >)>'
/usr/share/R/library/BH/include/boost/range/size.hpp:62:9:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/usage.hpp:16:48: warning: 'this' pointer null [-Wnonnull]
   16 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/usr/share/R/library/BH/include/boost/concept/usage.hpp:30:7: note: in a call to non-static member function 'boost::SinglePassRangeConcept<T>::~SinglePassRangeConcept() [with T = boost::container::stable_vector<DbColumn>]'
   30 |       ~model()
      |       ^
/usr/share/R/library/BH/include/boost/range/concepts.hpp:284:9: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  284 |         BOOST_CONCEPT_USAGE(SinglePassRangeConcept)
      |         ^~~~~~~~~~~~~~~~~~~
/usr/share/R/library/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::CopyConstructible<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]':
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::CopyConstructible<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >]'
/usr/share/R/library/BH/include/boost/concept_check.hpp:167:5:   required from 'struct boost::CopyConstructible<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:125:16:   required from 'struct boost::range_detail::IncrementableIteratorConcept<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:147:16:   required from 'struct boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   [ skipping 4 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >)>'
/usr/share/R/library/BH/include/boost/range/algorithm_ext/for_each.hpp:54:13:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/usage.hpp:16:48: warning: 'this' pointer null [-Wnonnull]
   16 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/usr/share/R/library/BH/include/boost/concept/usage.hpp:30:7: note: in a call to non-static member function 'boost::CopyConstructible<TT>::~CopyConstructible() [with TT = __gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > >]'
   30 |       ~model()
      |       ^
/usr/share/R/library/BH/include/boost/concept_check.hpp:167:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  167 |     BOOST_CONCEPT_USAGE(CopyConstructible) {
      |     ^~~~~~~~~~~~~~~~~~~
/usr/share/R/library/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::range_detail::IncrementableIteratorConcept<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]':
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::range_detail::IncrementableIteratorConcept<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >]'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:136:13:   required from 'struct boost::range_detail::IncrementableIteratorConcept<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:147:16:   required from 'struct boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   [ skipping 3 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >)>'
/usr/share/R/library/BH/include/boost/range/algorithm_ext/for_each.hpp:54:13:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/usage.hpp:16:48: warning: 'this' pointer null [-Wnonnull]
   16 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/usr/share/R/library/BH/include/boost/concept/usage.hpp:30:7: note: in a call to non-static member function 'boost::range_detail::IncrementableIteratorConcept<Iterator>::~IncrementableIteratorConcept() [with Iterator = __gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > >]'
   30 |       ~model()
      |       ^
/usr/share/R/library/BH/include/boost/range/concepts.hpp:136:13: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  136 |             BOOST_CONCEPT_USAGE(IncrementableIteratorConcept)
      |             ^~~~~~~~~~~~~~~~~~~
/usr/share/R/library/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::EqualityComparable<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]':
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::EqualityComparable<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >]'
/usr/share/R/library/BH/include/boost/concept_check.hpp:233:5:   required from 'struct boost::EqualityComparable<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:147:16:   required from 'struct boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   [ skipping 3 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >)>'
/usr/share/R/library/BH/include/boost/range/algorithm_ext/for_each.hpp:54:13:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/usage.hpp:16:48: warning: 'this' pointer null [-Wnonnull]
   16 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/usr/share/R/library/BH/include/boost/concept/usage.hpp:30:7: note: in a call to non-static member function 'boost::EqualityComparable<TT>::~EqualityComparable() [with TT = __gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > >]'
   30 |       ~model()
      |       ^
/usr/share/R/library/BH/include/boost/concept_check.hpp:233:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  233 |     BOOST_CONCEPT_USAGE(EqualityComparable) {
      |     ^~~~~~~~~~~~~~~~~~~
/usr/share/R/library/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]':
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >]'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:158:13:   required from 'struct boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >)>'
/usr/share/R/library/BH/include/boost/range/algorithm_ext/for_each.hpp:54:13:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/usage.hpp:16:48: warning: 'this' pointer null [-Wnonnull]
   16 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/usr/share/R/library/BH/include/boost/concept/usage.hpp:30:7: note: in a call to non-static member function 'boost::range_detail::SinglePassIteratorConcept<Iterator>::~SinglePassIteratorConcept() [with Iterator = __gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > >]'
   30 |       ~model()
      |       ^
/usr/share/R/library/BH/include/boost/range/concepts.hpp:158:13: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  158 |             BOOST_CONCEPT_USAGE(SinglePassIteratorConcept)
      |             ^~~~~~~~~~~~~~~~~~~
/usr/share/R/library/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::CopyConstructible<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]':
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::CopyConstructible<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >]'
/usr/share/R/library/BH/include/boost/concept_check.hpp:167:5:   required from 'struct boost::CopyConstructible<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:125:16:   required from 'struct boost::range_detail::IncrementableIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:147:16:   required from 'struct boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   [ skipping 4 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >)>'
/usr/share/R/library/BH/include/boost/range/algorithm_ext/for_each.hpp:54:13:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/usage.hpp:16:48: warning: 'this' pointer null [-Wnonnull]
   16 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/usr/share/R/library/BH/include/boost/concept/usage.hpp:30:7: note: in a call to non-static member function 'boost::CopyConstructible<TT>::~CopyConstructible() [with TT = __gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > >]'
   30 |       ~model()
      |       ^
/usr/share/R/library/BH/include/boost/concept_check.hpp:167:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  167 |     BOOST_CONCEPT_USAGE(CopyConstructible) {
      |     ^~~~~~~~~~~~~~~~~~~
/usr/share/R/library/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::range_detail::IncrementableIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]':
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::range_detail::IncrementableIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >]'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:136:13:   required from 'struct boost::range_detail::IncrementableIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:147:16:   required from 'struct boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   [ skipping 3 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >)>'
/usr/share/R/library/BH/include/boost/range/algorithm_ext/for_each.hpp:54:13:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/usage.hpp:16:48: warning: 'this' pointer null [-Wnonnull]
   16 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/usr/share/R/library/BH/include/boost/concept/usage.hpp:30:7: note: in a call to non-static member function 'boost::range_detail::IncrementableIteratorConcept<Iterator>::~IncrementableIteratorConcept() [with Iterator = __gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > >]'
   30 |       ~model()
      |       ^
/usr/share/R/library/BH/include/boost/range/concepts.hpp:136:13: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  136 |             BOOST_CONCEPT_USAGE(IncrementableIteratorConcept)
      |             ^~~~~~~~~~~~~~~~~~~
/usr/share/R/library/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::EqualityComparable<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]':
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::EqualityComparable<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >]'
/usr/share/R/library/BH/include/boost/concept_check.hpp:233:5:   required from 'struct boost::EqualityComparable<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:147:16:   required from 'struct boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   [ skipping 3 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >)>'
/usr/share/R/library/BH/include/boost/range/algorithm_ext/for_each.hpp:54:13:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/usage.hpp:16:48: warning: 'this' pointer null [-Wnonnull]
   16 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/usr/share/R/library/BH/include/boost/concept/usage.hpp:30:7: note: in a call to non-static member function 'boost::EqualityComparable<TT>::~EqualityComparable() [with TT = __gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > >]'
   30 |       ~model()
      |       ^
/usr/share/R/library/BH/include/boost/concept_check.hpp:233:5: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  233 |     BOOST_CONCEPT_USAGE(EqualityComparable) {
      |     ^~~~~~~~~~~~~~~~~~~
/usr/share/R/library/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]':
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >]'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:158:13:   required from 'struct boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >)>'
/usr/share/R/library/BH/include/boost/range/algorithm_ext/for_each.hpp:54:13:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/usage.hpp:16:48: warning: 'this' pointer null [-Wnonnull]
   16 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/usr/share/R/library/BH/include/boost/concept/usage.hpp:30:7: note: in a call to non-static member function 'boost::range_detail::SinglePassIteratorConcept<Iterator>::~SinglePassIteratorConcept() [with Iterator = __gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > >]'
   30 |       ~model()
      |       ^
/usr/share/R/library/BH/include/boost/range/concepts.hpp:158:13: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  158 |             BOOST_CONCEPT_USAGE(SinglePassIteratorConcept)
      |             ^~~~~~~~~~~~~~~~~~~
/usr/share/R/library/BH/include/boost/concept/usage.hpp: In instantiation of 'boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >]':
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:39:47:   required from 'static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > > >]'
/usr/share/R/library/BH/include/boost/range/concepts.hpp:284:9:   required from 'struct boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of 'template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, boost::concepts::detail::wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >]'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from 'const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > > >::value'
/usr/share/R/library/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from 'struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > > >'
/usr/share/R/library/BH/include/boost/concept/detail/general.hpp:51:8:   required from 'struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<std::vector<std::__cxx11::basic_string<char> > >)>'
/usr/share/R/library/BH/include/boost/range/algorithm_ext/for_each.hpp:54:13:   required from 'Fn2 boost::range::for_each(SinglePassRange1&, SinglePassRange2&, Fn2) [with SinglePassRange1 = boost::container::stable_vector<DbColumn>; SinglePassRange2 = std::vector<std::__cxx11::basic_string<char> >; Fn2 = boost::_bi::bind_t<void, boost::_mfi::cmf1<void, DbColumn, const Rcpp::String&>, boost::_bi::list2<boost::arg<1>, boost::arg<2> > >]'
DbDataFrame.cpp:54:83:   required from here
/usr/share/R/library/BH/include/boost/concept/usage.hpp:16:48: warning: 'this' pointer null [-Wnonnull]
   16 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/usr/share/R/library/BH/include/boost/concept/usage.hpp:30:7: note: in a call to non-static member function 'boost::SinglePassRangeConcept<T>::~SinglePassRangeConcept() [with T = std::vector<std::__cxx11::basic_string<char> >]'
   30 |       ~model()
      |       ^
/usr/share/R/library/BH/include/boost/range/concepts.hpp:284:9: note: in expansion of macro 'BOOST_CONCEPT_USAGE'
  284 |         BOOST_CONCEPT_USAGE(SinglePassRangeConcept)
      |         ^~~~~~~~~~~~~~~~~~~
g++ -m64 -std=gnu++11 -I"/usr/include/R" -DNDEBUG -DRCPP_DEFAULT_INCLUDE_CALL=false -DRCPP_USING_UTF8_ERROR_STRING -DBOOST_NO_AUTO_PTR -I'/usr/share/R/library/BH/include' -I'/usr/share/R/library/plogr/include' -I'/usr/lib64/R/library/Rcpp/include' -I/usr/local/include  -fvisibility=hidden -fpic  -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection  -c DbResult.cpp -o DbResult.o
g++ -m64 -std=gnu++11 -I"/usr/include/R" -DNDEBUG -DRCPP_DEFAULT_INCLUDE_CALL=false -DRCPP_USING_UTF8_ERROR_STRING -DBOOST_NO_AUTO_PTR -I'/usr/share/R/library/BH/include' -I'/usr/share/R/library/plogr/include' -I'/usr/lib64/R/library/Rcpp/include' -I/usr/local/include  -fvisibility=hidden -fpic  -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection  -c PqColumnDataSource.cpp -o PqColumnDataSource.o
In file included from /usr/share/R/library/BH/include/boost/mpl/aux_/na_assert.hpp:23,
                 from /usr/share/R/library/BH/include/boost/mpl/arg.hpp:25,
                 from /usr/share/R/library/BH/include/boost/mpl/placeholders.hpp:24,
                 from /usr/share/R/library/BH/include/boost/iterator/iterator_categories.hpp:16,
                 from /usr/share/R/library/BH/include/boost/iterator/iterator_facade.hpp:13,
                 from /usr/share/R/library/BH/include/boost/range/iterator_range_core.hpp:27,
                 from /usr/share/R/library/BH/include/boost/lexical_cast.hpp:30,
                 from PqColumnDataSource.cpp:2:
/usr/share/R/library/BH/include/boost/mpl/assert.hpp:194:21: warning: unnecessary parentheses in declaration of 'assert_arg' [-Wparentheses]
  194 | failed ************ (Pred::************
      |                     ^~~~~~~~~~~~~~~~~~~
  195 |       assert_arg( void (*)(Pred), typename assert_arg_pred<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  196 |     );
      |     ~                
/usr/share/R/library/BH/include/boost/mpl/assert.hpp:194:21: note: remove parentheses
  194 | failed ************ (Pred::************
      |                     ^~~~~~~~~~~~~~~~~~~
      |                     -
  195 |       assert_arg( void (*)(Pred), typename assert_arg_pred<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  196 |     );
      |     ~                
      |     -
/usr/share/R/library/BH/include/boost/mpl/assert.hpp:199:21: warning: unnecessary parentheses in declaration of 'assert_not_arg' [-Wparentheses]
  199 | failed ************ (boost::mpl::not_<Pred>::************
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  200 |       assert_not_arg( void (*)(Pred), typename assert_arg_pred_not<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  201 |     );
      |     ~                
/usr/share/R/library/BH/include/boost/mpl/assert.hpp:199:21: note: remove parentheses
  199 | failed ************ (boost::mpl::not_<Pred>::************
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                     -
  200 |       assert_not_arg( void (*)(Pred), typename assert_arg_pred_not<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  201 |     );
      |     ~                
      |     -
g++ -m64 -std=gnu++11 -I"/usr/include/R" -DNDEBUG -DRCPP_DEFAULT_INCLUDE_CALL=false -DRCPP_USING_UTF8_ERROR_STRING -DBOOST_NO_AUTO_PTR -I'/usr/share/R/library/BH/include' -I'/usr/share/R/library/plogr/include' -I'/usr/lib64/R/library/Rcpp/include' -I/usr/local/include  -fvisibility=hidden -fpic  -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection  -c PqColumnDataSourceFactory.cpp -o PqColumnDataSourceFactory.o
g++ -m64 -std=gnu++11 -I"/usr/include/R" -DNDEBUG -DRCPP_DEFAULT_INCLUDE_CALL=false -DRCPP_USING_UTF8_ERROR_STRING -DBOOST_NO_AUTO_PTR -I'/usr/share/R/library/BH/include' -I'/usr/share/R/library/plogr/include' -I'/usr/lib64/R/library/Rcpp/include' -I/usr/local/include  -fvisibility=hidden -fpic  -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection  -c PqDataFrame.cpp -o PqDataFrame.o
g++ -m64 -std=gnu++11 -I"/usr/include/R" -DNDEBUG -DRCPP_DEFAULT_INCLUDE_CALL=false -DRCPP_USING_UTF8_ERROR_STRING -DBOOST_NO_AUTO_PTR -I'/usr/share/R/library/BH/include' -I'/usr/share/R/library/plogr/include' -I'/usr/lib64/R/library/Rcpp/include' -I/usr/local/include  -fvisibility=hidden -fpic  -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection  -c PqResult.cpp -o PqResult.o
g++ -m64 -std=gnu++11 -I"/usr/include/R" -DNDEBUG -DRCPP_DEFAULT_INCLUDE_CALL=false -DRCPP_USING_UTF8_ERROR_STRING -DBOOST_NO_AUTO_PTR -I'/usr/share/R/library/BH/include' -I'/usr/share/R/library/plogr/include' -I'/usr/lib64/R/library/Rcpp/include' -I/usr/local/include  -fvisibility=hidden -fpic  -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection  -c PqResultImpl.cpp -o PqResultImpl.o
g++ -m64 -std=gnu++11 -I"/usr/include/R" -DNDEBUG -DRCPP_DEFAULT_INCLUDE_CALL=false -DRCPP_USING_UTF8_ERROR_STRING -DBOOST_NO_AUTO_PTR -I'/usr/share/R/library/BH/include' -I'/usr/share/R/library/plogr/include' -I'/usr/lib64/R/library/Rcpp/include' -I/usr/local/include  -fvisibility=hidden -fpic  -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection  -c PqResultSource.cpp -o PqResultSource.o
g++ -m64 -std=gnu++11 -I"/usr/include/R" -DNDEBUG -DRCPP_DEFAULT_INCLUDE_CALL=false -DRCPP_USING_UTF8_ERROR_STRING -DBOOST_NO_AUTO_PTR -I'/usr/share/R/library/BH/include' -I'/usr/share/R/library/plogr/include' -I'/usr/lib64/R/library/Rcpp/include' -I/usr/local/include  -fvisibility=hidden -fpic  -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection  -c PqUtils.cpp -o PqUtils.o
gcc -m64 -I"/usr/include/R" -DNDEBUG -DRCPP_DEFAULT_INCLUDE_CALL=false -DRCPP_USING_UTF8_ERROR_STRING -DBOOST_NO_AUTO_PTR -I'/usr/share/R/library/BH/include' -I'/usr/share/R/library/plogr/include' -I'/usr/lib64/R/library/Rcpp/include' -I/usr/local/include  -fvisibility=hidden -fpic  -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection  -c RPostgres-init.c -o RPostgres-init.o
g++ -m64 -std=gnu++11 -I"/usr/include/R" -DNDEBUG -DRCPP_DEFAULT_INCLUDE_CALL=false -DRCPP_USING_UTF8_ERROR_STRING -DBOOST_NO_AUTO_PTR -I'/usr/share/R/library/BH/include' -I'/usr/share/R/library/plogr/include' -I'/usr/lib64/R/library/Rcpp/include' -I/usr/local/include  -fvisibility=hidden -fpic  -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection  -c RcppExports.cpp -o RcppExports.o
g++ -m64 -std=gnu++11 -I"/usr/include/R" -DNDEBUG -DRCPP_DEFAULT_INCLUDE_CALL=false -DRCPP_USING_UTF8_ERROR_STRING -DBOOST_NO_AUTO_PTR -I'/usr/share/R/library/BH/include' -I'/usr/share/R/library/plogr/include' -I'/usr/lib64/R/library/Rcpp/include' -I/usr/local/include  -fvisibility=hidden -fpic  -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection  -c connection.cpp -o connection.o
g++ -m64 -std=gnu++11 -I"/usr/include/R" -DNDEBUG -DRCPP_DEFAULT_INCLUDE_CALL=false -DRCPP_USING_UTF8_ERROR_STRING -DBOOST_NO_AUTO_PTR -I'/usr/share/R/library/BH/include' -I'/usr/share/R/library/plogr/include' -I'/usr/lib64/R/library/Rcpp/include' -I/usr/local/include  -fvisibility=hidden -fpic  -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection  -c encode.cpp -o encode.o
g++ -m64 -std=gnu++11 -I"/usr/include/R" -DNDEBUG -DRCPP_DEFAULT_INCLUDE_CALL=false -DRCPP_USING_UTF8_ERROR_STRING -DBOOST_NO_AUTO_PTR -I'/usr/share/R/library/BH/include' -I'/usr/share/R/library/plogr/include' -I'/usr/lib64/R/library/Rcpp/include' -I/usr/local/include  -fvisibility=hidden -fpic  -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection  -c encrypt.cpp -o encrypt.o
g++ -m64 -std=gnu++11 -I"/usr/include/R" -DNDEBUG -DRCPP_DEFAULT_INCLUDE_CALL=false -DRCPP_USING_UTF8_ERROR_STRING -DBOOST_NO_AUTO_PTR -I'/usr/share/R/library/BH/include' -I'/usr/share/R/library/plogr/include' -I'/usr/lib64/R/library/Rcpp/include' -I/usr/local/include  -fvisibility=hidden -fpic  -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection  -c logging.cpp -o logging.o
g++ -m64 -std=gnu++11 -I"/usr/include/R" -DNDEBUG -DRCPP_DEFAULT_INCLUDE_CALL=false -DRCPP_USING_UTF8_ERROR_STRING -DBOOST_NO_AUTO_PTR -I'/usr/share/R/library/BH/include' -I'/usr/share/R/library/plogr/include' -I'/usr/lib64/R/library/Rcpp/include' -I/usr/local/include  -fvisibility=hidden -fpic  -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection  -c result.cpp -o result.o
g++ -m64 -std=gnu++11 -shared -L/usr/lib64/R/lib -Wl,-z,relro -Wl,--as-needed -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -o RPostgres.so DbColumn.o DbColumnDataSource.o DbColumnDataSourceFactory.o DbColumnStorage.o DbConnection.o DbDataFrame.o DbResult.o PqColumnDataSource.o PqColumnDataSourceFactory.o PqDataFrame.o PqResult.o PqResultImpl.o PqResultSource.o PqUtils.o RPostgres-init.o RcppExports.o connection.o encode.o encrypt.o logging.o result.o -lpq -L/usr/lib64/R/lib -lR
installing to /builddir/build/BUILDROOT/R-RPostgres-1.3.0-2.fc34.x86_64/usr/lib64/R/library/00LOCK-RPostgres/00new/RPostgres/libs
** R
** inst
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
  converting help for package 'RPostgres'
    finding HTML links ... done
    Postgres                                html  
    PqConnection-class                      html  
    PqDriver-class                          html  
    PqResult-class                          html  
    RPostgres-package                       html  
    Redshift                                html  
    dbDataType                              html  
    postgres-query                          html  
    finding level-2 HTML links ... done
    postgres-tables                         html  
    postgres-transactions                   html  
    postgresHasDefault                      html  
    postgresWaitForNotify                   html  
    quote                                   html  
    reexports                               html  
** building package indices
** installing vignettes
** testing if installed package can be loaded from temporary location
** checking absolute paths in shared objects and dynamic libraries
** testing if installed package can be loaded from final location
** testing if installed package keeps a record of temporary installation path
* DONE (RPostgres)
+ test -d RPostgres/src
+ cd RPostgres/src
+ rm -f DbColumn.o DbColumnDataSource.o DbColumnDataSourceFactory.o DbColumnStorage.o DbConnection.o DbDataFrame.o DbResult.o PqColumnDataSource.o PqColumnDataSourceFactory.o PqDataFrame.o PqResult.o PqResultImpl.o PqResultSource.o PqUtils.o RPostgres-init.o RcppExports.o connection.o encode.o encrypt.o logging.o result.o RPostgres.so
+ rm -f /builddir/build/BUILDROOT/R-RPostgres-1.3.0-2.fc34.x86_64/usr/lib64/R/library/R.css
+ /usr/lib/rpm/find-debuginfo.sh -j2 --strict-build-id -m -i --build-id-seed 1.3.0-2.fc34 --unique-debug-suffix -1.3.0-2.fc34.x86_64 --unique-debug-src-base R-RPostgres-1.3.0-2.fc34.x86_64 --run-dwz --dwz-low-mem-die-limit 10000000 --dwz-max-die-limit 110000000 -S debugsourcefiles.list /builddir/build/BUILD/RPostgres
explicitly decompress any DWARF compressed ELF sections in /builddir/build/BUILDROOT/R-RPostgres-1.3.0-2.fc34.x86_64/usr/lib64/R/library/RPostgres/libs/RPostgres.so
extracting debug info from /builddir/build/BUILDROOT/R-RPostgres-1.3.0-2.fc34.x86_64/usr/lib64/R/library/RPostgres/libs/RPostgres.so
original debug info size: 4900kB, size after compression: 3848kB
/usr/lib/rpm/sepdebugcrcfix: Updated 1 CRC32s, 0 CRC32s did match.
144 blocks
+ /usr/lib/rpm/check-buildroot
+ /usr/lib/rpm/redhat/brp-ldconfig
+ /usr/lib/rpm/brp-compress
+ /usr/lib/rpm/redhat/brp-strip-lto /usr/bin/strip
+ /usr/lib/rpm/brp-strip-static-archive /usr/bin/strip
+ /usr/lib/rpm/redhat/brp-python-bytecompile '' 1 0
+ /usr/lib/rpm/brp-python-hardlink
+ /usr/lib/rpm/redhat/brp-mangle-shebangs
Executing(%check): /bin/sh -e /var/tmp/rpm-tmp.NxjrPq
+ umask 022
+ cd /builddir/build/BUILD
+ cd RPostgres
+ /usr/bin/R CMD check RPostgres
* using log directory '/builddir/build/BUILD/RPostgres/RPostgres.Rcheck'
* using R version 4.0.3 (2020-10-10)
* using platform: x86_64-redhat-linux-gnu (64-bit)
* using session charset: ASCII
* checking for file 'RPostgres/DESCRIPTION' ... OK
* this is package 'RPostgres' version '1.3.0'
* package encoding: UTF-8
* checking package namespace information ... OK
* checking package dependencies ...Warning: unable to access index for repository https://CRAN.R-project.org/src/contrib:
  cannot open URL 'https://CRAN.R-project.org/src/contrib/PACKAGES'
Warning: unable to access index for repository https://bioconductor.org/packages/3.11/bioc/src/contrib:
  cannot open URL 'https://bioconductor.org/packages/3.11/bioc/src/contrib/PACKAGES'
Warning: unable to access index for repository https://bioconductor.org/packages/3.11/data/annotation/src/contrib:
  cannot open URL 'https://bioconductor.org/packages/3.11/data/annotation/src/contrib/PACKAGES'
Warning: unable to access index for repository https://bioconductor.org/packages/3.11/data/experiment/src/contrib:
  cannot open URL 'https://bioconductor.org/packages/3.11/data/experiment/src/contrib/PACKAGES'
 OK
* checking if this is a source package ... OK
* checking if there is a namespace ... OK
* checking for executable files ... OK
* checking for hidden files and directories ... OK
* checking for portable file names ... OK
* checking for sufficient/correct file permissions ... OK
* checking whether package 'RPostgres' can be installed ... OK
* checking installed package size ... NOTE
  installed size is  5.2Mb
  sub-directories of 1Mb or more:
    libs   4.7Mb
* checking package directory ... OK
* checking 'build' directory ... OK
* checking DESCRIPTION meta-information ... OK
* checking top-level files ... OK
* checking for left-over files ... OK
* checking index information ... OK
* checking package subdirectories ... OK
* checking R files for non-ASCII characters ... OK
* checking R files for syntax errors ... WARNING
Warning in Sys.setlocale("LC_CTYPE", "en_US.UTF-8") :
  OS reports request to set locale to "en_US.UTF-8" cannot be honored
* checking whether the package can be loaded ... OK
* checking whether the package can be loaded with stated dependencies ... OK
* checking whether the package can be unloaded cleanly ... OK
* checking whether the namespace can be loaded with stated dependencies ... OK
* checking whether the namespace can be unloaded cleanly ... OK
* checking loading without being on the library search path ... WARNING
Error: package or namespace load failed for 'RPostgres' in loadNamespace(i, c(lib.loc, .libPaths()), versionCheck = vI[[i]]):
 there is no package called 'DBI'
Execution halted
It looks like this package has a loading problem when not on .libPaths:
see the messages for details.
* checking dependencies in R code ... OK
* checking S3 generic/method consistency ... OK
* checking replacement functions ... OK
* checking foreign function calls ... OK
* checking R code for possible problems ... OK
* checking Rd files ... OK
* checking Rd metadata ... OK
* checking Rd cross-references ... OK
* checking for missing documentation entries ... OK
* checking for code/documentation mismatches ... OK
* checking Rd \usage sections ... OK
* checking Rd contents ... OK
* checking for unstated dependencies in examples ... OK
* checking line endings in shell scripts ... OK
* checking line endings in C/C++/Fortran sources/headers ... OK
* checking line endings in Makefiles ... OK
* checking compilation flags in Makevars ... NOTE
Package has both 'src/Makevars.in' and 'src/Makevars'.
Installation with --no-configure' is unlikely to work.  If you intended
'src/Makevars' to be used on Windows, rename it to 'src/Makevars.win'
otherwise remove it.  If 'configure' created 'src/Makevars', you need a
'cleanup' script.
* checking for GNU extensions in Makefiles ... OK
* checking for portable use of $(BLAS_LIBS) and $(LAPACK_LIBS) ... OK
* checking use of PKG_*FLAGS in Makefiles ... OK
* checking compiled code ... OK
* checking installed files from 'inst/doc' ... OK
* checking files in 'vignettes' ... OK
* checking examples ... WARNING
checking a package with encoding  'UTF-8'  in an ASCII locale
* checking for unstated dependencies in 'tests' ... OK
* checking tests ...
  Running 'testthat.R'
 OK
* checking for unstated dependencies in vignettes ... OK
* checking package vignettes in 'inst/doc' ... OK
* checking running R code from vignettes ...
  'work-queue.Rmd' using 'UTF-8'... OK
 NONE
* checking re-building of vignette outputs ... OK
* checking PDF version of manual ... OK
* DONE
Status: 3 WARNINGs, 2 NOTEs
See
  '/builddir/build/BUILD/RPostgres/RPostgres.Rcheck/00check.log'
for details.
+ RPM_EC=0
++ jobs -p
+ exit 0
Processing files: R-RPostgres-1.3.0-2.fc34.x86_64
Provides: R(RPostgres) = 1.3.0 R-RPostgres = 1.3.0-2.fc34 R-RPostgres(x86-64) = 1.3.0-2.fc34
Requires(rpmlib): rpmlib(CompressedFileNames) <= 3.0.4-1 rpmlib(FileDigests) <= 4.6.0-1 rpmlib(PayloadFilesHavePrefix) <= 4.0-1
Requires: R(ABI) = 4.0 R(DBI) >= 1.1.0 R(Rcpp) >= 0.11.4.2 R(bit64) R(blob) >= 1.2.0 R(hms) >= 0.5.0 R(lubridate) R(methods) R(withr) R-core >= 3.1.0 libR.so()(64bit) libc.so.6()(64bit) libc.so.6(GLIBC_2.14)(64bit) libc.so.6(GLIBC_2.15)(64bit) libc.so.6(GLIBC_2.2.5)(64bit) libc.so.6(GLIBC_2.3.4)(64bit) libc.so.6(GLIBC_2.4)(64bit) libgcc_s.so.1()(64bit) libgcc_s.so.1(GCC_3.0)(64bit) libgcc_s.so.1(GCC_3.3.1)(64bit) libpq.so.5()(64bit) libpq.so.5(RHPG_9.6)(64bit) libstdc++.so.6()(64bit) libstdc++.so.6(CXXABI_1.3)(64bit) libstdc++.so.6(CXXABI_1.3.8)(64bit) libstdc++.so.6(GLIBCXX_3.4)(64bit) libstdc++.so.6(GLIBCXX_3.4.11)(64bit) libstdc++.so.6(GLIBCXX_3.4.20)(64bit) libstdc++.so.6(GLIBCXX_3.4.21)(64bit) libstdc++.so.6(GLIBCXX_3.4.26)(64bit) libstdc++.so.6(GLIBCXX_3.4.29)(64bit) libstdc++.so.6(GLIBCXX_3.4.9)(64bit) rtld(GNU_HASH)
Suggests: R(DBItest) >= 1.7.0 R(callr) R(knitr) R(rmarkdown) R(testthat)
Processing files: R-RPostgres-debugsource-1.3.0-2.fc34.x86_64
Provides: R-RPostgres-debugsource = 1.3.0-2.fc34 R-RPostgres-debugsource(x86-64) = 1.3.0-2.fc34
Requires(rpmlib): rpmlib(CompressedFileNames) <= 3.0.4-1 rpmlib(FileDigests) <= 4.6.0-1 rpmlib(PayloadFilesHavePrefix) <= 4.0-1
Processing files: R-RPostgres-debuginfo-1.3.0-2.fc34.x86_64
Provides: R-RPostgres-debuginfo = 1.3.0-2.fc34 R-RPostgres-debuginfo(x86-64) = 1.3.0-2.fc34 debuginfo(build-id) = 3e8a97b15b2783d8a259bae16edd1f2a29a42e20
Requires(rpmlib): rpmlib(CompressedFileNames) <= 3.0.4-1 rpmlib(FileDigests) <= 4.6.0-1 rpmlib(PayloadFilesHavePrefix) <= 4.0-1
Recommends: R-RPostgres-debugsource(x86-64) = 1.3.0-2.fc34
Checking for unpackaged file(s): /usr/lib/rpm/check-files /builddir/build/BUILDROOT/R-RPostgres-1.3.0-2.fc34.x86_64
Wrote: /builddir/build/RPMS/R-RPostgres-1.3.0-2.fc34.x86_64.rpm
Wrote: /builddir/build/RPMS/R-RPostgres-debugsource-1.3.0-2.fc34.x86_64.rpm
Wrote: /builddir/build/RPMS/R-RPostgres-debuginfo-1.3.0-2.fc34.x86_64.rpm
Executing(%clean): /bin/sh -e /var/tmp/rpm-tmp.0e3GwA
+ umask 022
+ cd /builddir/build/BUILD
+ cd RPostgres
+ /usr/bin/rm -rf /builddir/build/BUILDROOT/R-RPostgres-1.3.0-2.fc34.x86_64
+ RPM_EC=0
++ jobs -p
+ exit 0
Child return code was: 0