DEBUG util.py:587:    libgomp.x86_64 0:4.8.5-4.el7                                                  
DEBUG util.py:587:    libmpc.x86_64 0:1.0.1-3.el7                                                   
DEBUG util.py:587:    libselinux-devel.x86_64 0:2.2.2-6.el7                                         
DEBUG util.py:587:    libsepol-devel.x86_64 0:2.1.9-3.el7                                           
DEBUG util.py:587:    libverto-devel.x86_64 0:0.2.5-4.el7                                           
DEBUG util.py:587:    mpfr.x86_64 0:3.1.1-4.el7                                                     
DEBUG util.py:587:    pcre-devel.x86_64 0:8.32-15.el7                                               
DEBUG util.py:587:    procps-ng.x86_64 0:3.3.10-5.el7_2                                             
DEBUG util.py:587:    python-backports.x86_64 0:1.0-8.el7                                           
DEBUG util.py:587:    python-backports-ssl_match_hostname.noarch 0:3.4.0.2-4.el7                    
DEBUG util.py:587:    python-ply.noarch 0:3.4-10.el7                                                
DEBUG util.py:587:    python-pycparser.noarch 0:2.14-1.el7                                          
DEBUG util.py:587:    qrencode-libs.x86_64 0:3.4.1-3.el7                                            
DEBUG util.py:734:  Child return code was: 0
DEBUG util.py:753:  child environment: None
DEBUG util.py:679:  Executing command: rpm -qa --root '/var/lib/mock/v7.6-testing-1424-708/root' --qf '%{nevra} %{buildtime} %{size} %{pkgid} installed\n' > /var/lib/mock/v7.6-testing-1424-708/result/installed_pkgs.log 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.utf8'} and shell True
DEBUG util.py:734:  Child return code was: 0
DEBUG util.py:753:  child environment: None
DEBUG util.py:420:  Unsharing. Flags: 134217728
DEBUG backend.py:572:  Copying packages to result dir
DEBUG util.py:323:  kill orphans
DEBUG util.py:753:  child environment: None
DEBUG util.py:679:  Executing command: ['/bin/umount', '-n', '/var/lib/mock/v7.6-testing-1424-708/root/proc/filesystems'] with env {'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'LANG': 'en_US.utf8'} and shell False
DEBUG util.py:734:  Child return code was: 0
DEBUG util.py:753:  child environment: None
DEBUG util.py:679:  Executing command: ['/bin/umount', '-n', '-l', '/var/lib/mock/v7.6-testing-1424-708/root/dev/pts'] with env {'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'LANG': 'en_US.utf8'} and shell False
DEBUG util.py:734:  Child return code was: 0
DEBUG util.py:753:  child environment: None
DEBUG util.py:679:  Executing command: ['/bin/umount', '-n', '-l', '/var/lib/mock/v7.6-testing-1424-708/root/dev/shm'] with env {'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'LANG': 'en_US.utf8'} and shell False
DEBUG util.py:734:  Child return code was: 0
DEBUG util.py:753:  child environment: None
DEBUG util.py:679:  Executing command: ['/bin/umount', '-n', '-l', '/var/lib/mock/v7.6-testing-1424-708/root/sys'] with env {'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'LANG': 'en_US.utf8'} and shell False
DEBUG util.py:734:  Child return code was: 0
DEBUG util.py:753:  child environment: None
DEBUG util.py:679:  Executing command: ['/bin/umount', '-n', '-l', '/var/lib/mock/v7.6-testing-1424-708/root/proc'] with env {'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'LANG': 'en_US.utf8'} and shell False
DEBUG util.py:734:  Child return code was: 0