G util.py:554:  BUILDSTDERR: Error: 
DEBUG util.py:554:  BUILDSTDERR:  Problem 1: package perl-DateTime-TimeZone-2.36-1.fc31.noarch requires perl(DateTime::Duration), but none of the providers can be installed
DEBUG util.py:554:  BUILDSTDERR:   - conflicting requests
DEBUG util.py:554:  BUILDSTDERR:   - nothing provides perl(:MODULE_COMPAT_5.28.1) needed by perl-DateTime-2:1.50-1.fc30.riscv64
DEBUG util.py:554:  BUILDSTDERR:   - nothing provides libperl.so.5.28()(64bit) needed by perl-DateTime-2:1.50-1.fc30.riscv64
DEBUG util.py:554:  BUILDSTDERR:  Problem 2: package perl-namespace-autoclean-0.28-16.fc31.noarch requires perl(B::Hooks::EndOfScope) >= 0.12, but none of the providers can be installed
DEBUG util.py:554:  BUILDSTDERR:   - package perl-B-Hooks-EndOfScope-0.24-7.fc31.noarch requires perl(Variable::Magic) >= 0.48, but none of the providers can be installed
DEBUG util.py:554:  BUILDSTDERR:   - conflicting requests
DEBUG util.py:554:  BUILDSTDERR:   - nothing provides perl(:MODULE_COMPAT_5.28.1) needed by perl-Variable-Magic-0.62-5.fc30.riscv64
DEBUG util.py:554:  BUILDSTDERR:   - nothing provides libperl.so.5.28()(64bit) needed by perl-Variable-Magic-0.62-5.fc30.riscv64
DEBUG util.py:554:  BUILDSTDERR:  Problem 3: package perl-namespace-autoclean-0.28-16.fc31.noarch requires perl(B::Hooks::EndOfScope) >= 0.12, but none of the providers can be installed
DEBUG util.py:554:  BUILDSTDERR:   - package perl-DateTime-Locale-1.24-2.fc31.noarch requires perl(namespace::autoclean) >= 0.19, but none of the providers can be installed
DEBUG util.py:554:  BUILDSTDERR:   - package perl-B-Hooks-EndOfScope-0.24-7.fc31.noarch requires perl(Variable::Magic) >= 0.48, but none of the providers can be installed
DEBUG util.py:554:  BUILDSTDERR:   - conflicting requests
DEBUG util.py:554:  BUILDSTDERR:   - nothing provides perl(:MODULE_COMPAT_5.28.1) needed by perl-Variable-Magic-0.62-5.fc30.riscv64
DEBUG util.py:554:  BUILDSTDERR:   - nothing provides libperl.so.5.28()(64bit) needed by perl-Variable-Magic-0.62-5.fc30.riscv64
DEBUG util.py:698:  Child return code was: 1
DEBUG util.py:292:  kill orphans
DEBUG util.py:717:  child environment: None
DEBUG util.py:643:  Executing command: ['/bin/umount', '-n', '/var/lib/mock/f31-build-46403-26495/root/proc/filesystems'] with env {'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'LANG': 'en_US.UTF-8'} and shell False
DEBUG util.py:698:  Child return code was: 0
DEBUG util.py:717:  child environment: None
DEBUG util.py:643:  Executing command: ['/bin/umount', '-n', '-l', '/var/lib/mock/f31-build-46403-26495/root/dev/pts'] with env {'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'LANG': 'en_US.UTF-8'} and shell False
DEBUG util.py:698:  Child return code was: 0
DEBUG util.py:717:  child environment: None
DEBUG util.py:643:  Executing command: ['/bin/umount', '-n', '-l', '/var/lib/mock/f31-build-46403-26495/root/dev/shm'] with env {'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'LANG': 'en_US.UTF-8'} and shell False
DEBUG util.py:698:  Child return code was: 0
DEBUG util.py:717:  child environment: None
DEBUG util.py:643:  Executing command: ['/bin/umount', '-n', '-l', '/var/lib/mock/f31-build-46403-26495/root/sys'] with env {'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'LANG': 'en_US.UTF-8'} and shell False
DEBUG util.py:698:  Child return code was: 0
DEBUG util.py:717:  child environment: None
DEBUG util.py:643:  Executing command: ['/bin/umount', '-n', '-l', '/var/lib/mock/f31-build-46403-26495/root/proc'] with env {'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'LANG': 'en_US.UTF-8'} and shell False
DEBUG util.py:698:  Child return code was: 0