DEBUG util.py:417:    boost-timer.x86_64 0:1.53.0-27.el7                                            
DEBUG util.py:417:    boost-wave.x86_64 0:1.53.0-27.el7                                             
DEBUG util.py:417:    bzip2-devel.x86_64 0:1.0.6-13.el7                                             
DEBUG util.py:417:    devtoolset-9-binutils.x86_64 0:2.32-14.el7                                    
DEBUG util.py:417:    devtoolset-9-elfutils-libelf.x86_64 0:0.176-5.el7                             
DEBUG util.py:417:    devtoolset-9-elfutils-libs.x86_64 0:0.176-5.el7                               
DEBUG util.py:417:    devtoolset-9-gcc.x86_64 0:9.1.1-2.4.el7                                       
DEBUG util.py:417:    devtoolset-9-libstdc++-devel.x86_64 0:9.1.1-2.4.el7                           
DEBUG util.py:417:    libarchive.x86_64 0:3.1.2-12.el7                                              
DEBUG util.py:417:    libgfortran.x86_64 0:4.8.5-39.el7                                             
DEBUG util.py:417:    libicu.x86_64 0:50.2-3.el7                                                    
DEBUG util.py:417:    libpipeline.x86_64 0:1.2.3-3.el7                                              
DEBUG util.py:417:    libquadmath.x86_64 0:4.8.5-39.el7                                             
DEBUG util.py:417:    libquadmath-devel.x86_64 0:4.8.5-39.el7                                       
DEBUG util.py:417:    libtirpc.x86_64 0:0.2.4-0.16.el7                                              
DEBUG util.py:417:    lzo.x86_64 0:2.06-8.el7                                                       
DEBUG util.py:417:    man-db.x86_64 0:2.6.3-11.el7                                                  
DEBUG util.py:417:    xz-devel.x86_64 0:5.2.2-1.el7                                                 
DEBUG util.py:542:  Child return code was: 0
DEBUG util.py:563:  child environment: None
DEBUG backend.py:450:  Copying packages to result dir
DEBUG util.py:176:  kill orphans
DEBUG util.py:563:  child environment: None
DEBUG util.py:495:  Executing command: ['/bin/umount', '-n', '/var/lib/mock/sclo7-devtoolset-9-rh-el7-build-67250-330243/root/proc/filesystems'] with env {'LANG': 'en_GB.UTF-8', 'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOSTNAME': 'mock', 'HOME': '/builddir', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin'} and shell False
DEBUG util.py:542:  Child return code was: 0
DEBUG util.py:563:  child environment: None
DEBUG util.py:495:  Executing command: ['/bin/umount', '-n', '-l', '/var/lib/mock/sclo7-devtoolset-9-rh-el7-build-67250-330243/root/dev/pts'] with env {'LANG': 'en_GB.UTF-8', 'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOSTNAME': 'mock', 'HOME': '/builddir', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin'} and shell False
DEBUG util.py:542:  Child return code was: 0
DEBUG util.py:563:  child environment: None
DEBUG util.py:495:  Executing command: ['/bin/umount', '-n', '-l', '/var/lib/mock/sclo7-devtoolset-9-rh-el7-build-67250-330243/root/dev/shm'] with env {'LANG': 'en_GB.UTF-8', 'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOSTNAME': 'mock', 'HOME': '/builddir', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin'} and shell False
DEBUG util.py:542:  Child return code was: 0
DEBUG util.py:563:  child environment: None
DEBUG util.py:495:  Executing command: ['/bin/umount', '-n', '-l', '/var/lib/mock/sclo7-devtoolset-9-rh-el7-build-67250-330243/root/sys'] with env {'LANG': 'en_GB.UTF-8', 'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOSTNAME': 'mock', 'HOME': '/builddir', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin'} and shell False
DEBUG util.py:542:  Child return code was: 0
DEBUG util.py:563:  child environment: None
DEBUG util.py:495:  Executing command: ['/bin/umount', '-n', '-l', '/var/lib/mock/sclo7-devtoolset-9-rh-el7-build-67250-330243/root/proc'] with env {'LANG': 'en_GB.UTF-8', 'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOSTNAME': 'mock', 'HOME': '/builddir', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin'} and shell False
DEBUG util.py:542:  Child return code was: 0