INFO buildroot.py:488:  Mock Version: 2.7
DEBUG file_util.py:17:  ensuring that dir exists: /var/lib/mock/custom-1-x86_64-1608171238.506943/root/dev/pts
DEBUG file_util.py:20:  creating dir: /var/lib/mock/custom-1-x86_64-1608171238.506943/root/dev/pts
DEBUG file_util.py:17:  ensuring that dir exists: /var/lib/mock/custom-1-x86_64-1608171238.506943/root/dev/shm
DEBUG file_util.py:20:  creating dir: /var/lib/mock/custom-1-x86_64-1608171238.506943/root/dev/shm
DEBUG buildroot.py:672:  kernel version == 5.8.17-300.fc33.x86_64
DEBUG file_util.py:30:  touching file: /var/lib/mock/custom-1-x86_64-1608171238.506943/root/etc/fstab
DEBUG file_util.py:30:  touching file: /var/lib/mock/custom-1-x86_64-1608171238.506943/root/etc/yum/yum.conf
DEBUG file_util.py:30:  touching file: /var/lib/mock/custom-1-x86_64-1608171238.506943/root/etc/dnf/dnf.conf
DEBUG file_util.py:30:  touching file: /var/lib/mock/custom-1-x86_64-1608171238.506943/root/var/log/yum.log
DEBUG file_util.py:17:  ensuring that dir exists: /var/lib/mock/custom-1-x86_64-1608171238.506943/root/proc
DEBUG util.py:624:  child environment: None
DEBUG util.py:542:  Executing command: ['/bin/mount', '-n', '-t', 'tmpfs', '-o', 'rprivate', 'tmpfs', '/var/lib/mock/custom-1-x86_64-1608171238.506943/root/proc'] with env {'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'LANG': 'C.UTF-8'} and shell False
DEBUG util.py:598:  Child return code was: 0
DEBUG file_util.py:17:  ensuring that dir exists: /var/lib/mock/custom-1-x86_64-1608171238.506943/root/proc
DEBUG util.py:624:  child environment: None
DEBUG util.py:542:  Executing command: ['/bin/mount', '-n', '--rbind', '-o', 'nodev,noexec,nosuid,readonly,rprivate', '/proc', '/var/lib/mock/custom-1-x86_64-1608171238.506943/root/proc'] with env {'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'LANG': 'C.UTF-8'} and shell False
DEBUG util.py:598:  Child return code was: 0
DEBUG file_util.py:17:  ensuring that dir exists: /var/lib/mock/custom-1-x86_64-1608171238.506943/root/sys
DEBUG util.py:624:  child environment: None
DEBUG util.py:542:  Executing command: ['/bin/mount', '-n', '-t', 'tmpfs', '-o', 'rprivate', 'tmpfs', '/var/lib/mock/custom-1-x86_64-1608171238.506943/root/sys'] with env {'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'LANG': 'C.UTF-8'} and shell False
DEBUG util.py:598:  Child return code was: 0
DEBUG file_util.py:17:  ensuring that dir exists: /var/lib/mock/custom-1-x86_64-1608171238.506943/root/sys
DEBUG util.py:624:  child environment: None
DEBUG util.py:542:  Executing command: ['/bin/mount', '-n', '--rbind', '-o', 'nodev,noexec,nosuid,readonly,rprivate', '/sys', '/var/lib/mock/custom-1-x86_64-1608171238.506943/root/sys'] with env {'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'LANG': 'C.UTF-8'} and shell False
DEBUG util.py:598:  Child return code was: 0
DEBUG file_util.py:17:  ensuring that dir exists: /var/lib/mock/custom-1-x86_64-1608171238.506943/root/dev/shm
DEBUG util.py:624:  child environment: None
DEBUG util.py:542:  Executing command: ['/bin/mount', '-n', '-t', 'tmpfs', 'tmpfs', '/var/lib/mock/custom-1-x86_64-1608171238.506943/root/dev/shm'] with env {'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'LANG': 'C.UTF-8'} and shell False
DEBUG util.py:598:  Child return code was: 0
DEBUG file_util.py:17:  ensuring that dir exists: /var/lib/mock/custom-1-x86_64-1608171238.506943/root/dev/pts
DEBUG util.py:624:  child environment: None
DEBUG util.py:542:  Executing command: ['/bin/mount', '-n', '-t', 'devpts', '-o', 'gid=5,mode=0620,ptmxmode=0666,newinstance', 'devpts', '/var/lib/mock/custom-1-x86_64-1608171238.506943/root/dev/pts'] with env {'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'LANG': 'C.UTF-8'} and shell False
DEBUG util.py:598:  Child return code was: 0
DEBUG file_util.py:17:  ensuring that dir exists: /var/lib/mock/custom-1-x86_64-1608171238.506943/root/sys/fs/selinux
DEBUG util.py:624:  child environment: None
DEBUG util.py:542:  Executing command: ['/bin/mount', '-n', '-t', 'tmpfs', 'tmpfs', '/var/lib/mock/custom-1-x86_64-1608171238.506943/root/sys/fs/selinux'] with env {'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'LANG': 'C.UTF-8'} and shell False
DEBUG util.py:598:  Child return code was: 0
DEBUG file_util.py:17:  ensuring that dir exists: /var/lib/mock/custom-1-x86_64-1608171238.506943/root/var/cache/yum
DEBUG util.py:624:  child environment: None
DEBUG util.py:542:  Executing command: ['/bin/mount', '-n', '--bind', '/var/cache/mock/custom-1-x86_64/yum_cache', '/var/lib/mock/custom-1-x86_64-1608171238.506943/root/var/cache/yum'] with env {'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'LANG': 'C.UTF-8'} and shell False
DEBUG util.py:598:  Child return code was: 0
DEBUG file_util.py:17:  ensuring that dir exists: /var/lib/mock/custom-1-x86_64-1608171238.506943/root/var/cache/dnf
DEBUG util.py:624:  child environment: None
DEBUG util.py:542:  Executing command: ['/bin/mount', '-n', '--bind', '/var/cache/mock/custom-1-x86_64/dnf_cache', '/var/lib/mock/custom-1-x86_64-1608171238.506943/root/var/cache/dnf'] with env {'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'LANG': 'C.UTF-8'} and shell False
DEBUG util.py:598:  Child return code was: 0
DEBUG util.py:624:  child environment: None
DEBUG util.py:542:  Executing command: ['/bin/mount', '-n', '--bind', '/tmp/mock-selinux-plugin.8iqofj2j', '/var/lib/mock/custom-1-x86_64-1608171238.506943/root/proc/filesystems'] with env {'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'LANG': 'C.UTF-8'} and shell False
DEBUG util.py:598:  Child return code was: 0
DEBUG buildroot.py:195:  rootdir = /var/lib/mock/custom-1-x86_64-1608171238.506943/root
DEBUG buildroot.py:196:  resultdir = /var/lib/copr-rpmbuild/results
DEBUG file_util.py:17:  ensuring that dir exists: /var/lib/mock/custom-1-x86_64-1608171238.506943/root/etc/pki/mock
DEBUG file_util.py:20:  creating dir: /var/lib/mock/custom-1-x86_64-1608171238.506943/root/etc/pki/mock
DEBUG file_util.py:17:  ensuring that dir exists: /var/lib/mock/custom-1-x86_64-1608171238.506943/root/etc/dnf
DEBUG package_manager.py:570:  configure DNF vars
DEBUG file_util.py:17:  ensuring that dir exists: /var/lib/mock/custom-1-x86_64-1608171238.506943/root/installation-homedir
DEBUG file_util.py:20:  creating dir: /var/lib/mock/custom-1-x86_64-1608171238.506943/root/installation-homedir
DEBUG package_manager.py:197:  ['/usr/bin/dnf', '--installroot', '/var/lib/mock/custom-1-x86_64-1608171238.506943/root/', '-y', '--setopt=deltarpm=False', '--allowerasing', '--disableplugin=local', '--disableplugin=spacewalk', 'module', 'enable', 'javapackages-tools:201801', 'tycho:1.4']
DEBUG util.py:624:  child environment: None
DEBUG util.py:542:  Executing command: ['/usr/bin/dnf', '--installroot', '/var/lib/mock/custom-1-x86_64-1608171238.506943/root/', '-y', '--setopt=deltarpm=False', '--allowerasing', '--disableplugin=local', '--disableplugin=spacewalk', 'module', 'enable', 'javapackages-tools:201801', 'tycho:1.4', '--setopt=tsflags=nocontexts'] with env {'TERM': 'vt100', 'SHELL': '/bin/bash', 'HOME': '/var/lib/mock/custom-1-x86_64-1608171238.506943/root/installation-homedir', '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', 'LC_MESSAGES': 'C.UTF-8', 'LD_PRELOAD': '/var/tmp/tmp.mock.3jg3hx3g/$LIB/nosync.so'} and shell False
DEBUG util.py:444:  Unable to detect release version (use '--releasever' to specify release version)
DEBUG util.py:444:  No matches found for the following disable plugin patterns: local, spacewalk
DEBUG util.py:446:  Copr repository                                 4.5 kB/s | 257  B     00:00    
DEBUG util.py:446:  Copr buildroot                                  3.2 MB/s | 145 kB     00:00    
DEBUG util.py:446:  Additional repo https_archive_fedoraproject_org  18 MB/s |  71 MB     00:03    
DEBUG util.py:446:  Additional repo https_archive_fedoraproject_org  12 MB/s | 5.2 MB     00:00    
DEBUG util.py:446:  Additional repo https_archive_fedoraproject_org  20 MB/s |  60 MB     00:02    
DEBUG util.py:446:  Additional repo https_archive_fedoraproject_org 3.0 MB/s | 159 kB     00:00    
DEBUG util.py:444:  Modular dependency problem:
DEBUG util.py:444:   Problem: conflicting requests
DEBUG util.py:444:    - nothing provides module(platform:f28) needed by module reviewboard:2.5:20180206144254:e0c83381-0.noarch
DEBUG util.py:444:  Error: Problems in request:
DEBUG util.py:444:  missing groups or modules: javapackages-tools:201801, tycho:1.4
DEBUG util.py:444:  Modular dependency problems with Defaults:
DEBUG util.py:444:   Problem: conflicting requests
DEBUG util.py:444:    - nothing provides module(platform:f28) needed by module reviewboard:2.5:20180206144254:e0c83381-0.noarch
DEBUG util.py:598:  Child return code was: 1
WARNING package_manager.py:210:  Dnf command failed, retrying, attempt #2, sleeping 10s
DEBUG util.py:624:  child environment: None
DEBUG util.py:542:  Executing command: ['/usr/bin/dnf', '--installroot', '/var/lib/mock/custom-1-x86_64-1608171238.506943/root/', '-y', '--setopt=deltarpm=False', '--allowerasing', '--disableplugin=local', '--disableplugin=spacewalk', 'module', 'enable', 'javapackages-tools:201801', 'tycho:1.4', '--setopt=tsflags=nocontexts', '--setopt=tsflags=nocontexts'] with env {'TERM': 'vt100', 'SHELL': '/bin/bash', 'HOME': '/var/lib/mock/custom-1-x86_64-1608171238.506943/root/installation-homedir', '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', 'LC_MESSAGES': 'C.UTF-8', 'LD_PRELOAD': '/var/tmp/tmp.mock.3jg3hx3g/$LIB/nosync.so'} and shell False
DEBUG util.py:444:  Unable to detect release version (use '--releasever' to specify release version)
DEBUG util.py:444:  No matches found for the following disable plugin patterns: local, spacewalk
DEBUG util.py:446:  Copr repository                                  73 kB/s | 3.3 kB     00:00    
DEBUG util.py:446:  Copr buildroot                                  170 kB/s | 3.0 kB     00:00    
DEBUG util.py:446:  Additional repo https_archive_fedoraproject_org 349 kB/s | 6.1 kB     00:00    
DEBUG util.py:446:  Additional repo https_archive_fedoraproject_org 359 kB/s | 6.5 kB     00:00    
DEBUG util.py:446:  Additional repo https_archive_fedoraproject_org 215 kB/s | 3.8 kB     00:00    
DEBUG util.py:446:  Additional repo https_archive_fedoraproject_org 236 kB/s | 4.2 kB     00:00    
DEBUG util.py:444:  Modular dependency problem:
DEBUG util.py:444:   Problem: conflicting requests
DEBUG util.py:444:    - nothing provides module(platform:f28) needed by module reviewboard:2.5:20180206144254:e0c83381-0.noarch
DEBUG util.py:444:  Error: Problems in request:
DEBUG util.py:444:  missing groups or modules: javapackages-tools:201801, tycho:1.4
DEBUG util.py:444:  Modular dependency problems with Defaults:
DEBUG util.py:444:   Problem: conflicting requests
DEBUG util.py:444:    - nothing provides module(platform:f28) needed by module reviewboard:2.5:20180206144254:e0c83381-0.noarch
DEBUG util.py:598:  Child return code was: 1
WARNING package_manager.py:210:  Dnf command failed, retrying, attempt #3, sleeping 10s
DEBUG util.py:624:  child environment: None
DEBUG util.py:542:  Executing command: ['/usr/bin/dnf', '--installroot', '/var/lib/mock/custom-1-x86_64-1608171238.506943/root/', '-y', '--setopt=deltarpm=False', '--allowerasing', '--disableplugin=local', '--disableplugin=spacewalk', 'module', 'enable', 'javapackages-tools:201801', 'tycho:1.4', '--setopt=tsflags=nocontexts', '--setopt=tsflags=nocontexts', '--setopt=tsflags=nocontexts'] with env {'TERM': 'vt100', 'SHELL': '/bin/bash', 'HOME': '/var/lib/mock/custom-1-x86_64-1608171238.506943/root/installation-homedir', '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', 'LC_MESSAGES': 'C.UTF-8', 'LD_PRELOAD': '/var/tmp/tmp.mock.3jg3hx3g/$LIB/nosync.so'} and shell False
DEBUG util.py:444:  Unable to detect release version (use '--releasever' to specify release version)
DEBUG util.py:444:  No matches found for the following disable plugin patterns: local, spacewalk
DEBUG util.py:446:  Copr repository                                 180 kB/s | 3.3 kB     00:00    
DEBUG util.py:446:  Copr buildroot                                  167 kB/s | 3.0 kB     00:00    
DEBUG util.py:446:  Additional repo https_archive_fedoraproject_org 339 kB/s | 6.1 kB     00:00    
DEBUG util.py:446:  Additional repo https_archive_fedoraproject_org 372 kB/s | 6.5 kB     00:00    
DEBUG util.py:446:  Additional repo https_archive_fedoraproject_org 212 kB/s | 3.8 kB     00:00    
DEBUG util.py:446:  Additional repo https_archive_fedoraproject_org 229 kB/s | 4.2 kB     00:00    
DEBUG util.py:444:  Modular dependency problem:
DEBUG util.py:444:   Problem: conflicting requests
DEBUG util.py:444:    - nothing provides module(platform:f28) needed by module reviewboard:2.5:20180206144254:e0c83381-0.noarch
DEBUG util.py:444:  Error: Problems in request:
DEBUG util.py:444:  missing groups or modules: javapackages-tools:201801, tycho:1.4
DEBUG util.py:444:  Modular dependency problems with Defaults:
DEBUG util.py:444:   Problem: conflicting requests
DEBUG util.py:444:    - nothing provides module(platform:f28) needed by module reviewboard:2.5:20180206144254:e0c83381-0.noarch
DEBUG util.py:598:  Child return code was: 1
DEBUG file_util.py:17:  ensuring that dir exists: /var/lib/copr-rpmbuild/results/chroot_scan
DEBUG file_util.py:20:  creating dir: /var/lib/copr-rpmbuild/results/chroot_scan
DEBUG util.py:169:  kill orphans
DEBUG util.py:624:  child environment: None
DEBUG util.py:542:  Executing command: ['/bin/umount', '-n', '/var/lib/mock/custom-1-x86_64-1608171238.506943/root/proc/filesystems'] with env {'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'LANG': 'C.UTF-8'} and shell False
DEBUG util.py:598:  Child return code was: 0
DEBUG util.py:624:  child environment: None
DEBUG util.py:542:  Executing command: ['/bin/umount', '-n', '/var/lib/mock/custom-1-x86_64-1608171238.506943/root/var/cache/dnf'] with env {'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'LANG': 'C.UTF-8'} and shell False
DEBUG util.py:598:  Child return code was: 0
DEBUG util.py:624:  child environment: None
DEBUG util.py:542:  Executing command: ['/bin/umount', '-n', '/var/lib/mock/custom-1-x86_64-1608171238.506943/root/var/cache/yum'] with env {'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'LANG': 'C.UTF-8'} and shell False
DEBUG util.py:598:  Child return code was: 0
DEBUG util.py:624:  child environment: None
DEBUG util.py:542:  Executing command: ['/bin/umount', '-n', '-l', '/var/lib/mock/custom-1-x86_64-1608171238.506943/root/sys/fs/selinux'] with env {'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'LANG': 'C.UTF-8'} and shell False
DEBUG util.py:598:  Child return code was: 0
DEBUG util.py:624:  child environment: None
DEBUG util.py:542:  Executing command: ['/bin/umount', '-n', '-l', '/var/lib/mock/custom-1-x86_64-1608171238.506943/root/dev/pts'] with env {'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'LANG': 'C.UTF-8'} and shell False
DEBUG util.py:598:  Child return code was: 0
DEBUG util.py:624:  child environment: None
DEBUG util.py:542:  Executing command: ['/bin/umount', '-n', '-l', '/var/lib/mock/custom-1-x86_64-1608171238.506943/root/dev/shm'] with env {'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'LANG': 'C.UTF-8'} and shell False
DEBUG util.py:598:  Child return code was: 0
DEBUG util.py:624:  child environment: None
DEBUG util.py:542:  Executing command: ['/bin/umount', '-n', '-l', '/var/lib/mock/custom-1-x86_64-1608171238.506943/root/sys'] with env {'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'LANG': 'C.UTF-8'} and shell False
DEBUG util.py:598:  Child return code was: 0
DEBUG util.py:624:  child environment: None
DEBUG util.py:542:  Executing command: ['/bin/umount', '-n', '-l', '/var/lib/mock/custom-1-x86_64-1608171238.506943/root/sys'] with env {'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'LANG': 'C.UTF-8'} and shell False
DEBUG util.py:598:  Child return code was: 0
DEBUG util.py:624:  child environment: None
DEBUG util.py:542:  Executing command: ['/bin/umount', '-n', '-l', '/var/lib/mock/custom-1-x86_64-1608171238.506943/root/proc'] with env {'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'LANG': 'C.UTF-8'} and shell False
DEBUG util.py:598:  Child return code was: 0
DEBUG util.py:624:  child environment: None
DEBUG util.py:542:  Executing command: ['/bin/umount', '-n', '-l', '/var/lib/mock/custom-1-x86_64-1608171238.506943/root/proc'] with env {'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'LANG': 'C.UTF-8'} and shell False
DEBUG util.py:598:  Child return code was: 0
DEBUG util.py:624:  child environment: None
DEBUG util.py:542:  Executing command: ['umount', '-n', '/var/lib/mock/custom-1-x86_64-1608171238.506943/root'] with env {'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'LANG': 'C.UTF-8'} and shell False
DEBUG util.py:598:  Child return code was: 0
DEBUG util.py:624:  child environment: None
DEBUG util.py:542:  Executing command: ['btrfs', 'subv', 'list', '/var/lib/mock'] with env {'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'LANG': 'C.UTF-8'} and shell False
DEBUG util.py:444:  ERROR: not a btrfs filesystem: /var/lib/mock
DEBUG util.py:444:  ERROR: can't access '/var/lib/mock'
DEBUG util.py:598:  Child return code was: 1
DEBUG util.py:893:  Please ignore the error above above about btrfs.