INFO buildroot.py:317:  Mock Version: 1.3.4
DEBUG util.py:109:  ensuring that dir exists: /var/lib/mock/centos-7-x86_64/root/dev/pts
DEBUG util.py:112:  creating dir: /var/lib/mock/centos-7-x86_64/root/dev/pts
DEBUG util.py:109:  ensuring that dir exists: /var/lib/mock/centos-7-x86_64/root/dev/shm
DEBUG util.py:112:  creating dir: /var/lib/mock/centos-7-x86_64/root/dev/shm
DEBUG buildroot.py:448:  kernel version == 3.10.0-514.16.1.el7.x86_64
DEBUG util.py:122:  touching file: /var/lib/mock/centos-7-x86_64/root/etc/fstab
DEBUG util.py:122:  touching file: /var/lib/mock/centos-7-x86_64/root/etc/yum.conf
DEBUG util.py:122:  touching file: /var/lib/mock/centos-7-x86_64/root/etc/dnf.conf
DEBUG util.py:122:  touching file: /var/lib/mock/centos-7-x86_64/root/var/log/yum.log
DEBUG util.py:598:  child environment: None
DEBUG util.py:522:  Executing command: ['/bin/mount', '-n', '-t', 'proc', 'proc', '/var/lib/mock/centos-7-x86_64/root/proc'] with env {'LANG': 'en_US.utf8', 'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOSTNAME': 'mock', 'HOME': '/builddir', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin'} and shell False
DEBUG util.py:577:  Child return code was: 0
DEBUG util.py:598:  child environment: None
DEBUG util.py:522:  Executing command: ['/bin/mount', '-n', '-t', 'sysfs', 'sysfs', '/var/lib/mock/centos-7-x86_64/root/sys'] with env {'LANG': 'en_US.utf8', 'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOSTNAME': 'mock', 'HOME': '/builddir', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin'} and shell False
DEBUG util.py:577:  Child return code was: 0
DEBUG util.py:598:  child environment: None
DEBUG util.py:522:  Executing command: ['/bin/mount', '-n', '-t', 'tmpfs', 'tmpfs', '/var/lib/mock/centos-7-x86_64/root/dev/shm'] with env {'LANG': 'en_US.utf8', 'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOSTNAME': 'mock', 'HOME': '/builddir', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin'} and shell False
DEBUG util.py:577:  Child return code was: 0
DEBUG util.py:598:  child environment: None
DEBUG util.py:522:  Executing command: ['/bin/mount', '-n', '-t', 'devpts', '-o', 'gid=5,mode=0620,ptmxmode=0666,newinstance', 'devpts', '/var/lib/mock/centos-7-x86_64/root/dev/pts'] with env {'LANG': 'en_US.utf8', 'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOSTNAME': 'mock', 'HOME': '/builddir', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin'} and shell False
DEBUG util.py:577:  Child return code was: 0
DEBUG buildroot.py:136:  rootdir = /var/lib/mock/centos-7-x86_64/root
DEBUG buildroot.py:137:  resultdir = /home/hughesjr/c7-builder/c7.1611.u/libtirpc/20170522133559/0.2.4-0.8.el7_3.x86_64
DEBUG util.py:109:  ensuring that dir exists: /var/lib/mock/centos-7-x86_64/root/etc/pki/mock
DEBUG util.py:112:  creating dir: /var/lib/mock/centos-7-x86_64/root/etc/pki/mock
DEBUG util.py:109:  ensuring that dir exists: /var/lib/mock/centos-7-x86_64/root/etc/yum/pluginconf.d
DEBUG util.py:112:  creating dir: /var/lib/mock/centos-7-x86_64/root/etc/yum/pluginconf.d
DEBUG package_manager.py:211:  configure yum
DEBUG package_manager.py:217:  configure yum priorities
DEBUG package_manager.py:219:  configure yum rhnplugin
DEBUG package_manager.py:104:  ['/usr/bin/yum', '--installroot', '/var/lib/mock/centos-7-x86_64/root/', 'install', 'bash', 'bzip2', 'coreutils', 'cpio', 'diffutils', 'system-release', 'findutils', 'gawk', 'gcc', 'gcc-c++', 'grep', 'gzip', 'info', 'make', 'patch', 'redhat-rpm-config', 'rpm-build', 'sed', 'shadow-utils', 'tar', 'unzip', 'util-linux', 'which', 'xz']
DEBUG util.py:598:  child environment: None
DEBUG util.py:522:  Executing command: ['/usr/bin/yum', '--installroot', '/var/lib/mock/centos-7-x86_64/root/', 'install', 'bash', 'bzip2', 'coreutils', 'cpio', 'diffutils', 'system-release', 'findutils', 'gawk', 'gcc', 'gcc-c++', 'grep', 'gzip', 'info', 'make', 'patch', 'redhat-rpm-config', 'rpm-build', 'sed', 'shadow-utils', 'tar', 'unzip', 'util-linux', 'which', 'xz'] with env {'LANG': 'en_US.utf8', 'TERM': 'vt100', 'SHELL': '/bin/bash', 'LC_MESSAGES': 'C', 'HOSTNAME': 'mock', 'PROMPT_COMMAND': 'printf "\\033]0;<mock-chroot>\\007"', 'HOME': '/builddir', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'PS1': '<mock-chroot> \\s-\\v\\$ '} and shell False
DEBUG util.py:188:  kill orphans
DEBUG util.py:598:  child environment: None
DEBUG util.py:522:  Executing command: ['/bin/umount', '-n', '-l', '/var/lib/mock/centos-7-x86_64/root/dev/pts'] with env {'LANG': 'en_US.utf8', 'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOSTNAME': 'mock', 'HOME': '/builddir', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin'} and shell False
DEBUG util.py:577:  Child return code was: 0
DEBUG util.py:598:  child environment: None
DEBUG util.py:522:  Executing command: ['/bin/umount', '-n', '-l', '/var/lib/mock/centos-7-x86_64/root/dev/shm'] with env {'LANG': 'en_US.utf8', 'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOSTNAME': 'mock', 'HOME': '/builddir', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin'} and shell False
DEBUG util.py:577:  Child return code was: 0
DEBUG util.py:598:  child environment: None
DEBUG util.py:522:  Executing command: ['/bin/umount', '-n', '-l', '/var/lib/mock/centos-7-x86_64/root/sys'] with env {'LANG': 'en_US.utf8', 'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOSTNAME': 'mock', 'HOME': '/builddir', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin'} and shell False
DEBUG util.py:577:  Child return code was: 0
DEBUG util.py:598:  child environment: None
DEBUG util.py:522:  Executing command: ['/bin/umount', '-n', '-l', '/var/lib/mock/centos-7-x86_64/root/proc'] with env {'LANG': 'en_US.utf8', 'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOSTNAME': 'mock', 'HOME': '/builddir', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin'} and shell False
DEBUG util.py:577:  Child return code was: 0
DEBUG util.py:598:  child environment: None
DEBUG util.py:522:  Executing command: ['btrfs', 'subv', 'list', '/var/lib/mock'] with env {'LANG': 'en_US.utf8', 'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOSTNAME': 'mock', 'HOME': '/builddir', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin'} and shell False
DEBUG util.py:439:  ERROR: not a btrfs filesystem: /var/lib/mock
DEBUG util.py:439:  ERROR: can't access '/var/lib/mock'
DEBUG util.py:577:  Child return code was: 1
DEBUG util.py:1257:  Please ignore the error above above about btrfs.