Mock Version: 1.4.21
ENTER ['do_with_status'](['bash', '--login', '-c', '/usr/bin/rpmbuild -bs --target x86_64 --nodeps /builddir/build/SPECS/python-cachetools.spec'], chrootPath='/var/lib/mock/1243697-centos-stream-x86_64-1582017832.036318/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': 'en_US.UTF-8'}shell=Falselogger=<mockbuild.trace_decorator.getLog object at 0x7f7b611248d0>timeout=0uid=1001gid=135user='mockbuild'nspawn_args=['--capability=cap_ipc_lock', '--rlimit=RLIMIT_NOFILE=10240', '--pipe', '--capability=cap_ipc_lock', '--bind=/tmp/mock-resolv.xjisyv59:/etc/resolv.conf']unshare_net=TrueprintOutput=True)
Using nspawn with args ['--capability=cap_ipc_lock', '--rlimit=RLIMIT_NOFILE=10240', '--pipe', '--capability=cap_ipc_lock', '--bind=/tmp/mock-resolv.xjisyv59:/etc/resolv.conf']
Executing command: ['/usr/bin/systemd-nspawn', '-q', '-M', 'eeff1888b5234112aff18464446889b7', '-D', '/var/lib/mock/1243697-centos-stream-x86_64-1582017832.036318/root', '-a', '--capability=cap_ipc_lock', '--rlimit=RLIMIT_NOFILE=10240', '--pipe', '--capability=cap_ipc_lock', '--bind=/tmp/mock-resolv.xjisyv59:/etc/resolv.conf', '--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=en_US.UTF-8', '-u', 'mockbuild', 'bash', '--login', '-c', '/usr/bin/rpmbuild -bs --target x86_64 --nodeps /builddir/build/SPECS/python-cachetools.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': 'en_US.UTF-8'} and shell False
error: line 1: Unknown tag: %__openstack_set_env
Building target platforms: x86_64
Building for target x86_64
Child return code was: 1
EXCEPTION: [Error()]
Traceback (most recent call last):
  File "/usr/lib/python3.7/site-packages/mockbuild/trace_decorator.py", line 95, in trace
    result = func(*args, **kw)
  File "/usr/lib/python3.7/site-packages/mockbuild/util.py", line 746, in do_with_status
    raise exception.Error("Command failed: \n # %s\n%s" % (command, output), child.returncode)
mockbuild.exception.Error: Command failed: 
 # /usr/bin/systemd-nspawn -q -M eeff1888b5234112aff18464446889b7 -D /var/lib/mock/1243697-centos-stream-x86_64-1582017832.036318/root -a --capability=cap_ipc_lock --rlimit=RLIMIT_NOFILE=10240 --pipe --capability=cap_ipc_lock --bind=/tmp/mock-resolv.xjisyv59:/etc/resolv.conf --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=en_US.UTF-8 -u mockbuild bash --login -c /usr/bin/rpmbuild -bs --target x86_64 --nodeps /builddir/build/SPECS/python-cachetools.spec