2018-09-04 10:29:52,702 INFO Using config files '['./DistUpgrade.cfg']'
2018-09-04 10:29:52,702 INFO uname information: 'Linux clean-bionic-amd64 4.15.0-30-generic #32-Ubuntu SMP Thu Jul 26 17:42:43 UTC 2018 x86_64'
2018-09-04 10:29:53,017 INFO apt version: '1.6.3'
2018-09-04 10:29:53,017 INFO python version: '3.6.5 (default, Apr  1 2018, 05:46:30) 
[GCC 7.3.0]'
2018-09-04 10:29:53,020 INFO release-upgrader version '18.10.10' started
2018-09-04 10:29:53,024 INFO locale: 'en_US' 'UTF-8'
2018-09-04 10:29:53,164 DEBUG Using 'DistUpgradeViewText' view
2018-09-04 10:29:53,206 DEBUG enable dpkg --force-overwrite
2018-09-04 10:29:53,238 DEBUG creating statefile: '/var/log/dist-upgrade/apt-clone_system_state.tar.gz'
2018-09-04 10:29:55,966 DEBUG lsb-release: 'bionic'
2018-09-04 10:29:55,966 DEBUG _pythonSymlinkCheck run
2018-09-04 10:29:55,966 DEBUG openCache()
2018-09-04 10:29:55,967 DEBUG No such plugin directory: ./plugins
2018-09-04 10:29:55,967 DEBUG plugins for condition 'PreCacheOpen' are '[]'
2018-09-04 10:29:55,967 DEBUG plugins for condition 'cosmicPreCacheOpen' are '[]'
2018-09-04 10:29:55,967 DEBUG plugins for condition 'from_bionicPreCacheOpen' are '[]'
2018-09-04 10:29:55,967 DEBUG quirks: running PreCacheOpen
2018-09-04 10:29:55,967 DEBUG running Quirks.PreCacheOpen
2018-09-04 10:29:56,553 DEBUG /openCache(), new cache size 91016
2018-09-04 10:29:56,553 DEBUG need_server_mode(): run in 'desktop' mode, (because of pkg 'ubuntu-desktop')
2018-09-04 10:29:56,554 DEBUG checkViewDepends()
2018-09-04 10:29:56,554 DEBUG running doUpdate() (showErrors=False)
2018-09-04 10:29:58,776 ERROR IOError/SystemError in cache.update(): 'E:Problem executing scripts APT::Update::Post-Invoke-Success 'if /usr/bin/test -w /var/cache/app-info -a -e /usr/bin/appstreamcli; then appstreamcli refresh-cache --verbose > /tmp/appstream-cli.log; fi', E:Sub-process returned an error code'. Retrying (currentRetry: 0)
2018-09-04 10:29:58,776 ERROR doUpdate() failed completely
2018-09-04 10:29:58,776 DEBUG openCache()
2018-09-04 10:29:59,355 DEBUG /openCache(), new cache size 91016
2018-09-04 10:29:59,355 DEBUG doPostInitialUpdate
2018-09-04 10:29:59,355 DEBUG plugins for condition 'PostInitialUpdate' are '[]'
2018-09-04 10:29:59,355 DEBUG plugins for condition 'cosmicPostInitialUpdate' are '[]'
2018-09-04 10:29:59,355 DEBUG plugins for condition 'from_bionicPostInitialUpdate' are '[]'
2018-09-04 10:29:59,355 DEBUG quirks: running cosmicPostInitialUpdate
2018-09-04 10:29:59,355 DEBUG running Quirks.cosmicPostInitialUpdate
2018-09-04 10:30:03,741 DEBUG MetaPkgs: ubuntu-desktop
2018-09-04 10:30:06,570 DEBUG Foreign: 
2018-09-04 10:30:06,570 DEBUG Obsolete: 
2018-09-04 10:30:06,571 DEBUG updateSourcesList()
2018-09-04 10:30:06,604 DEBUG rewriteSourcesList() with mirror_check
2018-09-04 10:30:06,605 DEBUG ['ubuntu-minimal', 'ubuntu-standard']
2018-09-04 10:30:06,605 DEBUG Checking pkg: ubuntu-minimal
2018-09-04 10:30:06,607 DEBUG Checking pkg: ubuntu-standard
2018-09-04 10:30:06,608 DEBUG examining: 'deb http://192.168.10.7/ubuntu bionic main restricted universe multiverse'
2018-09-04 10:30:06,610 DEBUG entry '# deb http://192.168.10.7/ubuntu cosmic main restricted universe multiverse # disabled on upgrade to cosmic' was disabled (unknown mirror)
2018-09-04 10:30:06,610 DEBUG examining: 'deb http://192.168.10.7/ubuntu bionic-updates main restricted universe multiverse'
2018-09-04 10:30:06,611 DEBUG entry '# deb http://192.168.10.7/ubuntu bionic-updates main restricted universe multiverse # disabled on upgrade to cosmic' was disabled (unknown mirror)
2018-09-04 10:30:06,611 DEBUG examining: 'deb http://192.168.10.7/ubuntu bionic-security main restricted universe multiverse'
2018-09-04 10:30:06,612 DEBUG entry '# deb http://192.168.10.7/ubuntu bionic-security main restricted universe multiverse # disabled on upgrade to cosmic' was disabled (unknown mirror)
2018-09-04 10:30:06,613 DEBUG examining: 'deb-src http://192.168.10.7/ubuntu bionic main restricted universe multiverse'
2018-09-04 10:30:06,614 DEBUG entry '# deb-src http://192.168.10.7/ubuntu cosmic main restricted universe multiverse # disabled on upgrade to cosmic' was disabled (unknown mirror)
2018-09-04 10:30:06,614 DEBUG examining: 'deb-src http://192.168.10.7/ubuntu bionic-updates main restricted universe multiverse'
2018-09-04 10:30:06,615 DEBUG entry '# deb-src http://192.168.10.7/ubuntu bionic-updates main restricted universe multiverse # disabled on upgrade to cosmic' was disabled (unknown mirror)
2018-09-04 10:30:06,615 DEBUG examining: 'deb-src http://192.168.10.7/ubuntu bionic-security main restricted universe multiverse'
2018-09-04 10:30:06,617 DEBUG entry '# deb-src http://192.168.10.7/ubuntu bionic-security main restricted universe multiverse # disabled on upgrade to cosmic' was disabled (unknown mirror)
2018-09-04 10:30:06,617 ERROR No valid mirror found
2018-09-04 10:34:09,452 DEBUG rewriteSourcesList()
2018-09-04 10:34:09,453 DEBUG examining: 'deb http://192.168.10.7/ubuntu bionic main restricted universe multiverse'
2018-09-04 10:34:09,454 DEBUG entry 'deb http://192.168.10.7/ubuntu cosmic main restricted universe multiverse' updated to new dist
2018-09-04 10:34:09,454 DEBUG examining: 'deb http://192.168.10.7/ubuntu bionic-updates main restricted universe multiverse'
2018-09-04 10:34:09,455 DEBUG entry 'deb http://192.168.10.7/ubuntu cosmic-updates main restricted universe multiverse' updated to new dist
2018-09-04 10:34:09,455 DEBUG examining: 'deb http://192.168.10.7/ubuntu bionic-security main restricted universe multiverse'
2018-09-04 10:34:09,456 DEBUG entry 'deb http://192.168.10.7/ubuntu cosmic-security main restricted universe multiverse' updated to new dist
2018-09-04 10:34:09,456 DEBUG examining: 'deb-src http://192.168.10.7/ubuntu bionic main restricted universe multiverse'
2018-09-04 10:34:09,457 DEBUG entry 'deb-src http://192.168.10.7/ubuntu cosmic main restricted universe multiverse' updated to new dist
2018-09-04 10:34:09,457 DEBUG examining: 'deb-src http://192.168.10.7/ubuntu bionic-updates main restricted universe multiverse'
2018-09-04 10:34:09,458 DEBUG entry 'deb-src http://192.168.10.7/ubuntu cosmic-updates main restricted universe multiverse' updated to new dist
2018-09-04 10:34:09,458 DEBUG examining: 'deb-src http://192.168.10.7/ubuntu bionic-security main restricted universe multiverse'
2018-09-04 10:34:09,459 DEBUG entry 'deb-src http://192.168.10.7/ubuntu cosmic-security main restricted universe multiverse' updated to new dist
2018-09-04 10:34:09,508 DEBUG running doUpdate() (showErrors=True)
2018-09-04 10:34:11,693 ERROR IOError/SystemError in cache.update(): 'E:Problem executing scripts APT::Update::Post-Invoke-Success 'if /usr/bin/test -w /var/cache/app-info -a -e /usr/bin/appstreamcli; then appstreamcli refresh-cache --verbose > /tmp/appstream-cli.log; fi', E:Sub-process returned an error code'. Retrying (currentRetry: 0)
2018-09-04 10:34:13,784 ERROR IOError/SystemError in cache.update(): 'E:Problem executing scripts APT::Update::Post-Invoke-Success 'if /usr/bin/test -w /var/cache/app-info -a -e /usr/bin/appstreamcli; then appstreamcli refresh-cache --verbose > /tmp/appstream-cli.log; fi', E:Sub-process returned an error code'. Retrying (currentRetry: 1)
2018-09-04 10:34:15,922 ERROR IOError/SystemError in cache.update(): 'E:Problem executing scripts APT::Update::Post-Invoke-Success 'if /usr/bin/test -w /var/cache/app-info -a -e /usr/bin/appstreamcli; then appstreamcli refresh-cache --verbose > /tmp/appstream-cli.log; fi', E:Sub-process returned an error code'. Retrying (currentRetry: 2)
2018-09-04 10:34:15,922 ERROR doUpdate() failed completely
2018-09-04 10:34:15,924 DEBUG abort called
2018-09-04 10:34:15,925 DEBUG openCache()
2018-09-04 10:34:15,925 DEBUG failed to SystemUnLock() (E:Not locked) 
2018-09-04 10:34:17,613 DEBUG /openCache(), new cache size 91016