INFO buildroot.py:350:  Mock Version: 1.4.13
DEBUG util.py:116:  ensuring that dir exists: /var/lib/mock/f31-build-81007-31543/root/dev/pts
DEBUG util.py:119:  creating dir: /var/lib/mock/f31-build-81007-31543/root/dev/pts
DEBUG util.py:116:  ensuring that dir exists: /var/lib/mock/f31-build-81007-31543/root/dev/shm
DEBUG util.py:119:  creating dir: /var/lib/mock/f31-build-81007-31543/root/dev/shm
DEBUG buildroot.py:481:  kernel version == 4.15.0-00046-g48fb45691946-dirty
DEBUG util.py:129:  touching file: /var/lib/mock/f31-build-81007-31543/root/etc/fstab
DEBUG util.py:129:  touching file: /var/lib/mock/f31-build-81007-31543/root/etc/yum/yum.conf
DEBUG util.py:129:  touching file: /var/lib/mock/f31-build-81007-31543/root/etc/dnf/dnf.conf
DEBUG util.py:129:  touching file: /var/lib/mock/f31-build-81007-31543/root/var/log/yum.log
DEBUG util.py:116:  ensuring that dir exists: /var/lib/mock/f31-build-81007-31543/root/proc
DEBUG util.py:653:  child environment: None
DEBUG util.py:579:  Executing command: ['/bin/mount', '-n', '-t', 'proc', 'proc', '/var/lib/mock/f31-build-81007-31543/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:634:  Child return code was: 0
DEBUG util.py:116:  ensuring that dir exists: /var/lib/mock/f31-build-81007-31543/root/sys
DEBUG util.py:653:  child environment: None
DEBUG util.py:579:  Executing command: ['/bin/mount', '-n', '-t', 'sysfs', 'sysfs', '/var/lib/mock/f31-build-81007-31543/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:634:  Child return code was: 0
DEBUG util.py:116:  ensuring that dir exists: /var/lib/mock/f31-build-81007-31543/root/dev/shm
DEBUG util.py:653:  child environment: None
DEBUG util.py:579:  Executing command: ['/bin/mount', '-n', '-t', 'tmpfs', 'tmpfs', '/var/lib/mock/f31-build-81007-31543/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:634:  Child return code was: 0
DEBUG util.py:116:  ensuring that dir exists: /var/lib/mock/f31-build-81007-31543/root/dev/pts
DEBUG util.py:653:  child environment: None
DEBUG util.py:579:  Executing command: ['/bin/mount', '-n', '-t', 'devpts', '-o', 'gid=5,mode=0620,ptmxmode=0666,newinstance', 'devpts', '/var/lib/mock/f31-build-81007-31543/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:634:  Child return code was: 0
DEBUG buildroot.py:143:  rootdir = /var/lib/mock/f31-build-81007-31543/root
DEBUG buildroot.py:144:  resultdir = /var/lib/mock/f31-build-81007-31543/result
DEBUG util.py:116:  ensuring that dir exists: /var/lib/mock/f31-build-81007-31543/root/etc/pki/mock
DEBUG util.py:119:  creating dir: /var/lib/mock/f31-build-81007-31543/root/etc/pki/mock
DEBUG util.py:116:  ensuring that dir exists: /var/lib/mock/f31-build-81007-31543/root/etc/dnf
DEBUG package_manager.py:118:  ['/usr/bin/dnf', '--installroot', '/var/lib/mock/f31-build-81007-31543/root/', '--setopt=install_weak_deps=0', 'groupinstall', 'srpm-build']
DEBUG util.py:653:  child environment: None
DEBUG util.py:579:  Executing command: ['/usr/bin/dnf', '--installroot', '/var/lib/mock/f31-build-81007-31543/root/', '--setopt=install_weak_deps=0', 'groupinstall', 'srpm-build'] 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', 'LC_MESSAGES': 'C.UTF-8'} and shell False
DEBUG util.py:490:  BUILDSTDERR: Unable to detect release version (use '--releasever' to specify release version)
DEBUG util.py:492:  Last metadata expiration check: 0:03:30 ago on Fri Aug  9 15:08:49 2019.
DEBUG util.py:490:  BUILDSTDERR: Error: 
DEBUG util.py:490:  BUILDSTDERR:  Problem: package rpm-build-4.15.0-0.beta.2.fc31.riscv64 requires /usr/bin/gdb-add-index, but none of the providers can be installed
DEBUG util.py:490:  BUILDSTDERR:   - conflicting requests
DEBUG util.py:490:  BUILDSTDERR:   - nothing provides libreadline.so.7()(64bit) needed by gdb-headless-8.3.50.20190610-16.0.riscv64.fc31.riscv64
DEBUG util.py:490:  BUILDSTDERR:   - nothing provides libreadline.so.7()(64bit) needed by gdb-minimal-8.3.50.20190610-16.0.riscv64.fc31.riscv64
DEBUG util.py:634:  Child return code was: 1
DEBUG util.py:228:  kill orphans
DEBUG util.py:653:  child environment: None
DEBUG util.py:579:  Executing command: ['/bin/umount', '-n', '-l', '/var/lib/mock/f31-build-81007-31543/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:634:  Child return code was: 0
DEBUG util.py:653:  child environment: None
DEBUG util.py:579:  Executing command: ['/bin/umount', '-n', '-l', '/var/lib/mock/f31-build-81007-31543/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:634:  Child return code was: 0
DEBUG util.py:653:  child environment: None
DEBUG util.py:579:  Executing command: ['/bin/umount', '-n', '-l', '/var/lib/mock/f31-build-81007-31543/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:634:  Child return code was: 0
DEBUG util.py:653:  child environment: None
DEBUG util.py:579:  Executing command: ['/bin/umount', '-n', '-l', '/var/lib/mock/f31-build-81007-31543/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:634:  Child return code was: 0