rate(strsim/default) >= 0.10.0 with crate(strsim/default) < 0.11.0~) needed by rust-clap2+strsim-devel-2.34.0-7.fc40.noarch from build
DEBUG util.py:442:   Problem 9: package rust-serde_json+default-devel-1.0.113-1.fc40.noarch from build requires crate(serde_json) = 1.0.113, but none of the providers can be installed
DEBUG util.py:442:    - package rust-serde_json-devel-1.0.113-1.fc40.noarch from build requires (crate(serde) >= 1.0.194 with crate(serde) < 2.0.0~), but none of the providers can be installed
DEBUG util.py:442:    - conflicting requests
DEBUG util.py:442:    - nothing provides crate(serde_derive/default) = 1.0.196 needed by rust-serde-devel-1.0.196-1.fc40.noarch from build
DEBUG util.py:442:   Problem 10: package rust-snafu-devel-0.8.0-1.fc40.noarch from build requires (crate(snafu-derive/default) >= 0.8.0 with crate(snafu-derive/default) < 0.9.0~), but none of the providers can be installed
DEBUG util.py:442:    - package rust-snafu+default-devel-0.8.0-1.fc40.noarch from build requires crate(snafu) = 0.8.0, but none of the providers can be installed
DEBUG util.py:442:    - package rust-snafu-derive+default-devel-0.8.0-1.fc40.noarch from build requires crate(snafu-derive) = 0.8.0, but none of the providers can be installed
DEBUG util.py:442:    - conflicting requests
DEBUG util.py:442:    - nothing provides (crate(heck/default) >= 0.4.0 with crate(heck/default) < 0.5.0~) needed by rust-snafu-derive-devel-0.8.0-1.fc40.noarch from build
DEBUG util.py:444:  (try to add '--skip-broken' to skip uninstallable packages)
DEBUG util.py:595:  Child return code was: 1
DEBUG util.py:167:  kill orphans in chroot /var/lib/mock/f40-build-800368-142896/root
DEBUG util.py:621:  child environment: None
DEBUG util.py:539:  Executing command: ['/bin/umount', '-n', '-l', '/var/lib/mock/f40-build-800368-142896/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:595:  Child return code was: 0
DEBUG util.py:621:  child environment: None
DEBUG util.py:539:  Executing command: ['/bin/umount', '-n', '-l', '/var/lib/mock/f40-build-800368-142896/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:595:  Child return code was: 0
DEBUG util.py:621:  child environment: None
DEBUG util.py:539:  Executing command: ['/bin/umount', '-n', '-l', '/var/lib/mock/f40-build-800368-142896/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:595:  Child return code was: 0
DEBUG util.py:621:  child environment: None
DEBUG util.py:539:  Executing command: ['/bin/umount', '-n', '-l', '/var/lib/mock/f40-build-800368-142896/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:595:  Child return code was: 0
DEBUG util.py:621:  child environment: None
DEBUG util.py:539:  Executing command: ['/bin/umount', '-n', '-l', '/var/lib/mock/f40-build-800368-142896/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:595:  Child return code was: 0
DEBUG util.py:621:  child environment: None
DEBUG util.py:539:  Executing command: ['/bin/umount', '-n', '-l', '/var/lib/mock/f40-build-800368-142896/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:595:  Child return code was: 0
DEBUG util.py:167:  kill orphans in chroot /var/lib/mock/f40-build-800368-142896/root