INFO buildroot.py:318: Mock Version: 1.2.21 DEBUG util.py:101: ensuring that dir exists: /var/lib/mock/fedora-25-x86_64/root/dev/pts DEBUG util.py:101: ensuring that dir exists: /var/lib/mock/fedora-25-x86_64/root/dev/shm DEBUG buildroot.py:449: kernel version == 4.8.6-201.fc24.x86_64 DEBUG util.py:114: touching file: /var/lib/mock/fedora-25-x86_64/root/etc/fstab DEBUG util.py:114: touching file: /var/lib/mock/fedora-25-x86_64/root/etc/yum.conf DEBUG util.py:114: touching file: /var/lib/mock/fedora-25-x86_64/root/etc/dnf.conf DEBUG util.py:114: touching file: /var/lib/mock/fedora-25-x86_64/root/var/log/yum.log DEBUG util.py:578: child environment: None DEBUG util.py:502: Executing command: ['/bin/mount', '-n', '-t', 'proc', 'proc', '/var/lib/mock/fedora-25-x86_64/root/proc'] with env {'SHELL': '/bin/sh', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'HOSTNAME': 'mock', 'HOME': '/builddir', 'TERM': 'vt100', 'LANG': 'en_US.UTF-8'} and shell False DEBUG util.py:557: Child return code was: 0 DEBUG util.py:578: child environment: None DEBUG util.py:502: Executing command: ['/bin/mount', '-n', '-t', 'sysfs', 'sysfs', '/var/lib/mock/fedora-25-x86_64/root/sys'] with env {'SHELL': '/bin/sh', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'HOSTNAME': 'mock', 'HOME': '/builddir', 'TERM': 'vt100', 'LANG': 'en_US.UTF-8'} and shell False DEBUG util.py:557: Child return code was: 0 DEBUG util.py:578: child environment: None DEBUG util.py:502: Executing command: ['/bin/mount', '-n', '-t', 'tmpfs', 'tmpfs', '/var/lib/mock/fedora-25-x86_64/root/dev/shm'] with env {'SHELL': '/bin/sh', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'HOSTNAME': 'mock', 'HOME': '/builddir', 'TERM': 'vt100', 'LANG': 'en_US.UTF-8'} and shell False DEBUG util.py:557: Child return code was: 0 DEBUG util.py:578: child environment: None DEBUG util.py:502: Executing command: ['/bin/mount', '-n', '-t', 'devpts', '-o', 'gid=5,mode=0620,ptmxmode=0666,newinstance', 'devpts', '/var/lib/mock/fedora-25-x86_64/root/dev/pts'] with env {'SHELL': '/bin/sh', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'HOSTNAME': 'mock', 'HOME': '/builddir', 'TERM': 'vt100', 'LANG': 'en_US.UTF-8'} and shell False DEBUG util.py:557: Child return code was: 0 DEBUG util.py:578: child environment: None DEBUG util.py:502: Executing command: ['/bin/mount', '-n', '--bind', '/var/cache/mock/fedora-25-x86_64/dnf_cache/', '/var/lib/mock/fedora-25-x86_64/root/var/cache/dnf/'] with env {'SHELL': '/bin/sh', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'HOSTNAME': 'mock', 'HOME': '/builddir', 'TERM': 'vt100', 'LANG': 'en_US.UTF-8'} and shell False DEBUG util.py:557: Child return code was: 0 DEBUG util.py:578: child environment: None DEBUG util.py:502: Executing command: ['/bin/mount', '-n', '--bind', '/tmp/mock-selinux-plugin.khd86i64', '/var/lib/mock/fedora-25-x86_64/root/proc/filesystems'] with env {'SHELL': '/bin/sh', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'HOSTNAME': 'mock', 'HOME': '/builddir', 'TERM': 'vt100', 'LANG': 'en_US.UTF-8'} and shell False DEBUG util.py:557: Child return code was: 0 DEBUG buildroot.py:136: rootdir = /var/lib/mock/fedora-25-x86_64/root DEBUG buildroot.py:137: resultdir = /tmp/module-proftpd-master-20161208095301/results DEBUG util.py:101: ensuring that dir exists: /var/lib/mock/fedora-25-x86_64/root/etc/pki/mock DEBUG util.py:101: ensuring that dir exists: /var/lib/mock/fedora-25-x86_64/root/etc/dnf DEBUG util.py:578: child environment: None DEBUG util.py:502: Executing command: ['/usr/sbin/userdel', '-f', 'mockbuild'] with env {'SHELL': '/bin/bash', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'PROMPT_COMMAND': 'printf "\\033]0;\\007"', 'PS1': ' \\s-\\v\\$ ', 'HOSTNAME': 'mock', 'HOME': '/builddir', 'TERM': 'vt100', 'LANG': 'en_US.UTF-8'} and shell False DEBUG util.py:287: Unsharing. Flags: 134217728 DEBUG util.py:557: Child return code was: 0 DEBUG util.py:578: child environment: None DEBUG util.py:502: Executing command: ['/usr/sbin/groupdel', 'mockbuild'] with env {'SHELL': '/bin/bash', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'PROMPT_COMMAND': 'printf "\\033]0;\\007"', 'PS1': ' \\s-\\v\\$ ', 'HOSTNAME': 'mock', 'HOME': '/builddir', 'TERM': 'vt100', 'LANG': 'en_US.UTF-8'} and shell False DEBUG util.py:287: Unsharing. Flags: 134217728 DEBUG util.py:421: groupdel: group 'mockbuild' does not exist DEBUG util.py:557: Child return code was: 6 DEBUG util.py:578: child environment: None DEBUG util.py:502: Executing command: ['/usr/sbin/groupadd', '-g', '135', 'mockbuild'] with env {'SHELL': '/bin/bash', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'PROMPT_COMMAND': 'printf "\\033]0;\\007"', 'PS1': ' \\s-\\v\\$ ', 'HOSTNAME': 'mock', 'HOME': '/builddir', 'TERM': 'vt100', 'LANG': 'en_US.UTF-8'} and shell False DEBUG util.py:287: Unsharing. Flags: 134217728 DEBUG util.py:557: Child return code was: 0 DEBUG util.py:578: child environment: None DEBUG util.py:502: Executing command: ['/usr/sbin/useradd', '-o', '-m', '-u', '1000', '-g', '135', '-d', '/builddir', '-n', 'mockbuild'] with env {'SHELL': '/bin/bash', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'PROMPT_COMMAND': 'printf "\\033]0;\\007"', 'PS1': ' \\s-\\v\\$ ', 'HOSTNAME': 'mock', 'HOME': '/builddir', 'TERM': 'vt100', 'LANG': 'en_US.UTF-8'} and shell False DEBUG util.py:287: Unsharing. Flags: 134217728 DEBUG util.py:421: useradd: warning: the home directory already exists. DEBUG util.py:421: Not copying any file from skel directory into it. DEBUG util.py:421: Creating mailbox file: File exists DEBUG util.py:557: Child return code was: 0 DEBUG util.py:101: ensuring that dir exists: /var/lib/mock/fedora-25-x86_64/root/builddir/build/RPMS DEBUG util.py:104: creating dir: /var/lib/mock/fedora-25-x86_64/root/builddir/build/RPMS DEBUG util.py:101: ensuring that dir exists: /var/lib/mock/fedora-25-x86_64/root/builddir/build/SPECS DEBUG util.py:104: creating dir: /var/lib/mock/fedora-25-x86_64/root/builddir/build/SPECS DEBUG util.py:101: ensuring that dir exists: /var/lib/mock/fedora-25-x86_64/root/builddir/build/SRPMS DEBUG util.py:104: creating dir: /var/lib/mock/fedora-25-x86_64/root/builddir/build/SRPMS DEBUG util.py:101: ensuring that dir exists: /var/lib/mock/fedora-25-x86_64/root/builddir/build/SOURCES DEBUG util.py:101: ensuring that dir exists: /var/lib/mock/fedora-25-x86_64/root/builddir/build/BUILD DEBUG util.py:104: creating dir: /var/lib/mock/fedora-25-x86_64/root/builddir/build/BUILD DEBUG util.py:101: ensuring that dir exists: /var/lib/mock/fedora-25-x86_64/root/builddir/build/BUILDROOT DEBUG util.py:104: creating dir: /var/lib/mock/fedora-25-x86_64/root/builddir/build/BUILDROOT DEBUG util.py:101: ensuring that dir exists: /var/lib/mock/fedora-25-x86_64/root/builddir/build/originals DEBUG util.py:104: creating dir: /var/lib/mock/fedora-25-x86_64/root/builddir/build/originals DEBUG util.py:114: touching file: /var/lib/mock/fedora-25-x86_64/root/.initialized DEBUG util.py:578: child environment: None DEBUG util.py:502: Executing command: ['/bin/rpm', '-Uvh', '--nodeps', '/builddir/build/originals/libevent-2.0.22-1.fc25.src.rpm'] with env {'SHELL': '/bin/bash', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'PROMPT_COMMAND': 'printf "\\033]0;\\007"', 'PS1': ' \\s-\\v\\$ ', 'HOSTNAME': 'mock', 'HOME': '/builddir', 'TERM': 'vt100', 'LANG': 'en_US.UTF-8'} and shell False DEBUG util.py:287: Unsharing. Flags: 134217728 DEBUG util.py:421: Updating / installing... DEBUG util.py:421: libevent-2.0.22-1.fc25 warning: user adam does not exist - using root DEBUG util.py:421: warning: group adam does not exist - using root DEBUG util.py:421: ######################################## DEBUG util.py:421: warning: user adam does not exist - using root DEBUG util.py:421: warning: group adam does not exist - using root DEBUG util.py:421: warning: user adam does not exist - using root DEBUG util.py:421: warning: group adam does not exist - using root DEBUG util.py:557: Child return code was: 0 DEBUG util.py:578: child environment: None DEBUG util.py:502: Executing command: ['/bin/rpm', '-qpl', '/builddir/build/originals/libevent-2.0.22-1.fc25.src.rpm'] with env {'SHELL': '/bin/bash', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'PROMPT_COMMAND': 'printf "\\033]0;\\007"', 'PS1': ' \\s-\\v\\$ ', 'HOSTNAME': 'mock', 'HOME': '/builddir', 'TERM': 'vt100', 'LANG': 'en_US.UTF-8'} and shell False DEBUG util.py:287: Unsharing. Flags: 134217728 DEBUG util.py:421: libevent-2.0.22-stable.tar.gz DEBUG util.py:421: libevent-nonettests.patch DEBUG util.py:421: libevent.spec DEBUG util.py:557: Child return code was: 0 DEBUG util.py:578: child environment: None DEBUG util.py:287: Unsharing. Flags: 134217728 DEBUG package_manager.py:96: ['/usr/bin/dnf', 'builddep', '--installroot', '/var/lib/mock/fedora-25-x86_64/root/', '--releasever', '25', '/var/lib/mock/fedora-25-x86_64/root//builddir/build/SRPMS/libevent-2.0.22-1.fc25.src.rpm'] DEBUG util.py:578: child environment: None DEBUG util.py:502: Executing command: ['/usr/bin/dnf', 'builddep', '--installroot', '/var/lib/mock/fedora-25-x86_64/root/', '--releasever', '25', '/var/lib/mock/fedora-25-x86_64/root//builddir/build/SRPMS/libevent-2.0.22-1.fc25.src.rpm', '--setopt=tsflags=nocontexts'] with env {'SHELL': '/bin/bash', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'PROMPT_COMMAND': 'printf "\\033]0;\\007"', 'PS1': ' \\s-\\v\\$ ', 'LC_MESSAGES': 'C', 'HOSTNAME': 'mock', 'HOME': '/builddir', 'TERM': 'vt100', 'LANG': 'en_US.UTF-8'} and shell False DEBUG util.py:421: Last metadata expiration check: 0:00:00 ago on Thu Dec 08 10:58:12 2016 CET. DEBUG util.py:421: Dependencies resolved. DEBUG util.py:421: ====================================================================================== DEBUG util.py:421: Package Arch Version Repository Size DEBUG util.py:421: ====================================================================================== DEBUG util.py:421: Installing: DEBUG util.py:421: doxygen x86_64 1:1.8.12-1.fc25 fedora 4.3 M DEBUG util.py:421: openssl-devel x86_64 1:1.0.2j-1.fc25 fedora 1.5 M DEBUG util.py:421: Installing dependencies: DEBUG util.py:421: keyutils-libs-devel x86_64 1.5.9-8.fc24 fedora 46 k DEBUG util.py:421: krb5-devel x86_64 1.14.4-4.fc25 fedora 667 k DEBUG util.py:421: libcom_err-devel x86_64 1.43.1-2.fc25 fedora 36 k DEBUG util.py:421: libkadm5 x86_64 1.14.4-4.fc25 fedora 170 k DEBUG util.py:421: libselinux-devel x86_64 2.5-12.fc25 fedora 192 k DEBUG util.py:421: libsepol-devel x86_64 2.5-10.fc25 fedora 80 k DEBUG util.py:421: libverto-devel x86_64 0.2.6-6.fc24 fedora 16 k DEBUG util.py:421: pcre-cpp x86_64 8.39-6.fc25 fedora 38 k DEBUG util.py:421: pcre-devel x86_64 8.39-6.fc25 fedora 544 k DEBUG util.py:421: pcre-utf16 x86_64 8.39-6.fc25 fedora 188 k DEBUG util.py:421: pcre-utf32 x86_64 8.39-6.fc25 fedora 179 k DEBUG util.py:421: xapian-core-libs x86_64 1.2.24-1.fc25 updates 758 k DEBUG util.py:421: zlib-devel x86_64 1.2.8-10.fc24 fedora 55 k DEBUG util.py:421: Transaction Summary DEBUG util.py:421: ====================================================================================== DEBUG util.py:421: Install 15 Packages DEBUG util.py:421: Total size: 8.7 M DEBUG util.py:421: Installed size: 26 M DEBUG util.py:421: Downloading Packages: DEBUG util.py:421: [SKIPPED] doxygen-1.8.12-1.fc25.x86_64.rpm: Already downloaded DEBUG util.py:421: [SKIPPED] openssl-devel-1.0.2j-1.fc25.x86_64.rpm: Already downloaded DEBUG util.py:421: [SKIPPED] krb5-devel-1.14.4-4.fc25.x86_64.rpm: Already downloaded DEBUG util.py:421: [SKIPPED] zlib-devel-1.2.8-10.fc24.x86_64.rpm: Already downloaded DEBUG util.py:421: [SKIPPED] libkadm5-1.14.4-4.fc25.x86_64.rpm: Already downloaded DEBUG util.py:421: [SKIPPED] libcom_err-devel-1.43.1-2.fc25.x86_64.rpm: Already downloaded DEBUG util.py:421: [SKIPPED] libselinux-devel-2.5-12.fc25.x86_64.rpm: Already downloaded DEBUG util.py:421: [SKIPPED] libsepol-devel-2.5-10.fc25.x86_64.rpm: Already downloaded DEBUG util.py:421: [SKIPPED] keyutils-libs-devel-1.5.9-8.fc24.x86_64.rpm: Already downloaded DEBUG util.py:421: [SKIPPED] libverto-devel-0.2.6-6.fc24.x86_64.rpm: Already downloaded DEBUG util.py:421: [SKIPPED] xapian-core-libs-1.2.24-1.fc25.x86_64.rpm: Already downloaded DEBUG util.py:421: [SKIPPED] pcre-devel-8.39-6.fc25.x86_64.rpm: Already downloaded DEBUG util.py:421: [SKIPPED] pcre-cpp-8.39-6.fc25.x86_64.rpm: Already downloaded DEBUG util.py:421: [SKIPPED] pcre-utf16-8.39-6.fc25.x86_64.rpm: Already downloaded DEBUG util.py:421: [SKIPPED] pcre-utf32-8.39-6.fc25.x86_64.rpm: Already downloaded DEBUG util.py:421: Error occurred during writing of a log message: Bad file descriptor DEBUG util.py:421: Importing GPG key 0xFDB19C98: DEBUG util.py:421: Userid : "Fedora 25 Primary (25) " DEBUG util.py:421: Fingerprint: C437 DCCD 558A 66A3 7D6F 4372 4089 D8F2 FDB1 9C98 DEBUG util.py:421: From : /usr/share/distribution-gpg-keys/fedora/RPM-GPG-KEY-fedora-25-primary DEBUG util.py:421: Key imported successfully DEBUG util.py:421: Running transaction check DEBUG util.py:421: Transaction check succeeded. DEBUG util.py:421: Running transaction test DEBUG util.py:421: Transaction test succeeded. DEBUG util.py:421: Running transaction DEBUG util.py:421: Installing : pcre-utf32-8.39-6.fc25.x86_64 1/15 DEBUG util.py:421: Installing : pcre-utf16-8.39-6.fc25.x86_64 2/15 DEBUG util.py:421: Installing : pcre-cpp-8.39-6.fc25.x86_64 3/15 DEBUG util.py:421: Installing : pcre-devel-8.39-6.fc25.x86_64 4/15 DEBUG util.py:421: Installing : xapian-core-libs-1.2.24-1.fc25.x86_64 5/15 DEBUG util.py:421: Installing : libverto-devel-0.2.6-6.fc24.x86_64 6/15 DEBUG util.py:421: Installing : keyutils-libs-devel-1.5.9-8.fc24.x86_64 7/15 DEBUG util.py:421: Installing : libsepol-devel-2.5-10.fc25.x86_64 8/15 DEBUG util.py:421: Installing : libselinux-devel-2.5-12.fc25.x86_64 9/15 DEBUG util.py:421: Installing : libcom_err-devel-1.43.1-2.fc25.x86_64 10/15 DEBUG util.py:421: Installing : libkadm5-1.14.4-4.fc25.x86_64 11/15 DEBUG util.py:421: Installing : krb5-devel-1.14.4-4.fc25.x86_64 12/15 DEBUG util.py:421: Installing : zlib-devel-1.2.8-10.fc24.x86_64 13/15 DEBUG util.py:421: Installing : openssl-devel-1:1.0.2j-1.fc25.x86_64 14/15 DEBUG util.py:421: Installing : doxygen-1:1.8.12-1.fc25.x86_64 15/15 DEBUG util.py:421: Verifying : doxygen-1:1.8.12-1.fc25.x86_64 1/15 DEBUG util.py:421: Verifying : openssl-devel-1:1.0.2j-1.fc25.x86_64 2/15 DEBUG util.py:421: Verifying : krb5-devel-1.14.4-4.fc25.x86_64 3/15 DEBUG util.py:421: Verifying : zlib-devel-1.2.8-10.fc24.x86_64 4/15 DEBUG util.py:421: Verifying : libkadm5-1.14.4-4.fc25.x86_64 5/15 DEBUG util.py:421: Verifying : libcom_err-devel-1.43.1-2.fc25.x86_64 6/15 DEBUG util.py:421: Verifying : libselinux-devel-2.5-12.fc25.x86_64 7/15 DEBUG util.py:421: Verifying : libsepol-devel-2.5-10.fc25.x86_64 8/15 DEBUG util.py:421: Verifying : keyutils-libs-devel-1.5.9-8.fc24.x86_64 9/15 DEBUG util.py:421: Verifying : libverto-devel-0.2.6-6.fc24.x86_64 10/15 DEBUG util.py:421: Verifying : xapian-core-libs-1.2.24-1.fc25.x86_64 11/15 DEBUG util.py:421: Verifying : pcre-devel-8.39-6.fc25.x86_64 12/15 DEBUG util.py:421: Verifying : pcre-cpp-8.39-6.fc25.x86_64 13/15 DEBUG util.py:421: Verifying : pcre-utf16-8.39-6.fc25.x86_64 14/15 DEBUG util.py:421: Verifying : pcre-utf32-8.39-6.fc25.x86_64 15/15 DEBUG util.py:421: Installed: DEBUG util.py:421: doxygen.x86_64 1:1.8.12-1.fc25 openssl-devel.x86_64 1:1.0.2j-1.fc25 DEBUG util.py:421: keyutils-libs-devel.x86_64 1.5.9-8.fc24 krb5-devel.x86_64 1.14.4-4.fc25 DEBUG util.py:421: libcom_err-devel.x86_64 1.43.1-2.fc25 libkadm5.x86_64 1.14.4-4.fc25 DEBUG util.py:421: libselinux-devel.x86_64 2.5-12.fc25 libsepol-devel.x86_64 2.5-10.fc25 DEBUG util.py:421: libverto-devel.x86_64 0.2.6-6.fc24 pcre-cpp.x86_64 8.39-6.fc25 DEBUG util.py:421: pcre-devel.x86_64 8.39-6.fc25 pcre-utf16.x86_64 8.39-6.fc25 DEBUG util.py:421: pcre-utf32.x86_64 8.39-6.fc25 xapian-core-libs.x86_64 1.2.24-1.fc25 DEBUG util.py:421: zlib-devel.x86_64 1.2.8-10.fc24 DEBUG util.py:421: Complete! DEBUG util.py:557: Child return code was: 0 DEBUG buildroot.py:337: removing 3 rpm db files DEBUG buildroot.py:342: _nuke_rpm_db: removing /var/lib/mock/fedora-25-x86_64/root/var/lib/rpm/__db.002 DEBUG buildroot.py:342: _nuke_rpm_db: removing /var/lib/mock/fedora-25-x86_64/root/var/lib/rpm/__db.001 DEBUG buildroot.py:342: _nuke_rpm_db: removing /var/lib/mock/fedora-25-x86_64/root/var/lib/rpm/__db.003 DEBUG util.py:578: child environment: None DEBUG util.py:287: Unsharing. Flags: 134217728 DEBUG backend.py:442: Copying packages to result dir DEBUG util.py:180: kill orphans DEBUG util.py:578: child environment: None DEBUG util.py:502: Executing command: ['/bin/umount', '-n', '/var/lib/mock/fedora-25-x86_64/root/proc/filesystems'] with env {'SHELL': '/bin/sh', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'HOSTNAME': 'mock', 'HOME': '/builddir', 'TERM': 'vt100', 'LANG': 'en_US.UTF-8'} and shell False DEBUG util.py:557: Child return code was: 0 DEBUG util.py:578: child environment: None DEBUG util.py:502: Executing command: ['/bin/umount', '-n', '/var/lib/mock/fedora-25-x86_64/root/var/cache/dnf/'] with env {'SHELL': '/bin/sh', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'HOSTNAME': 'mock', 'HOME': '/builddir', 'TERM': 'vt100', 'LANG': 'en_US.UTF-8'} and shell False DEBUG util.py:557: Child return code was: 0 DEBUG util.py:578: child environment: None DEBUG util.py:502: Executing command: ['/bin/umount', '-n', '-l', '/var/lib/mock/fedora-25-x86_64/root/dev/pts'] with env {'SHELL': '/bin/sh', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'HOSTNAME': 'mock', 'HOME': '/builddir', 'TERM': 'vt100', 'LANG': 'en_US.UTF-8'} and shell False DEBUG util.py:557: Child return code was: 0 DEBUG util.py:578: child environment: None DEBUG util.py:502: Executing command: ['/bin/umount', '-n', '-l', '/var/lib/mock/fedora-25-x86_64/root/dev/shm'] with env {'SHELL': '/bin/sh', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'HOSTNAME': 'mock', 'HOME': '/builddir', 'TERM': 'vt100', 'LANG': 'en_US.UTF-8'} and shell False DEBUG util.py:557: Child return code was: 0 DEBUG util.py:578: child environment: None DEBUG util.py:502: Executing command: ['/bin/umount', '-n', '-l', '/var/lib/mock/fedora-25-x86_64/root/sys'] with env {'SHELL': '/bin/sh', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'HOSTNAME': 'mock', 'HOME': '/builddir', 'TERM': 'vt100', 'LANG': 'en_US.UTF-8'} and shell False DEBUG util.py:557: Child return code was: 0 DEBUG util.py:578: child environment: None DEBUG util.py:502: Executing command: ['/bin/umount', '-n', '-l', '/var/lib/mock/fedora-25-x86_64/root/proc'] with env {'SHELL': '/bin/sh', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'HOSTNAME': 'mock', 'HOME': '/builddir', 'TERM': 'vt100', 'LANG': 'en_US.UTF-8'} and shell False DEBUG util.py:557: Child return code was: 0 DEBUG util.py:578: child environment: None DEBUG util.py:502: Executing command: ['btrfs', 'subv', 'list', '/var/lib/mock'] with env {'SHELL': '/bin/sh', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'HOSTNAME': 'mock', 'HOME': '/builddir', 'TERM': 'vt100', 'LANG': 'en_US.UTF-8'} and shell False DEBUG util.py:421: ERROR: not a btrfs filesystem: /var/lib/mock DEBUG util.py:421: ERROR: can't access '/var/lib/mock' DEBUG util.py:557: Child return code was: 1 DEBUG util.py:1221: Please ignore the error above above about btrfs.