2016-02-21 13:50:18,220 INFO Using config files '['./DistUpgrade.cfg.trusty']'
2016-02-21 13:50:18,221 INFO uname information: 'Linux faisal-Satellite-C50D-A164 3.19.0-49-generic #55~14.04.1-Ubuntu SMP Fri Jan 22 11:24:31 UTC 2016 x86_64'
2016-02-21 13:50:19,574 INFO apt version: '1.0.1ubuntu2.11'
2016-02-21 13:50:19,575 INFO python version: '3.4.3 (default, Oct 14 2015, 20:28:29) 
[GCC 4.8.4]'
2016-02-21 13:50:19,587 INFO release-upgrader version '16.04.6' started
2016-02-21 13:50:19,626 WARNING can't import view 'DistUpgradeViewGtk3' (Namespace Vte not available for version 2.91)
2016-02-21 13:50:19,629 WARNING can't import view 'DistUpgradeViewGtk3' (Namespace Vte not available for version 2.91)
2016-02-21 13:50:19,842 WARNING can't import view 'DistUpgradeViewKDE' (No module named 'PyQt4')
2016-02-21 13:50:19,882 INFO locale: 'en_US' 'UTF-8'
2016-02-21 13:50:19,912 INFO screen could not be run
2016-02-21 13:50:20,426 DEBUG Using 'DistUpgradeViewText' view
2016-02-21 13:50:20,610 DEBUG aufsOptionsAndEnvironmentSetup()
2016-02-21 13:50:20,614 DEBUG using '/tmp/upgrade-rw-m1klspfh' as aufs_rw_dir
2016-02-21 13:50:20,615 DEBUG using '/tmp/upgrade-chroot-wss3tmhw' as aufs chroot dir
2016-02-21 13:50:20,616 DEBUG enable dpkg --force-overwrite
2016-02-21 13:50:20,666 DEBUG creating statefile: '/var/log/dist-upgrade/apt-clone_system_state.tar.gz'
2016-02-21 13:50:34,546 DEBUG lsb-release: 'trusty'
2016-02-21 13:50:34,550 DEBUG _pythonSymlinkCheck run
2016-02-21 13:50:34,563 DEBUG openCache()
2016-02-21 13:50:34,564 DEBUG No such plugin directory: ./plugins
2016-02-21 13:50:34,565 DEBUG plugins for condition 'PreCacheOpen' are '[]'
2016-02-21 13:50:34,565 DEBUG plugins for condition 'xenialPreCacheOpen' are '[]'
2016-02-21 13:50:34,565 DEBUG plugins for condition 'from_trustyPreCacheOpen' are '[]'
2016-02-21 13:50:34,566 DEBUG quirks: running PreCacheOpen
2016-02-21 13:50:34,566 DEBUG running Quirks.PreCacheOpen
2016-02-21 13:50:37,189 DEBUG /openCache(), new cache size 73840
2016-02-21 13:50:37,190 DEBUG need_server_mode(): run in 'desktop' mode, (because of pkg 'ubuntu-desktop')
2016-02-21 13:50:37,190 DEBUG checkViewDepends()
2016-02-21 13:50:37,191 DEBUG running doUpdate() (showErrors=False)
2016-02-21 13:53:03,383 DEBUG openCache()
2016-02-21 13:53:18,868 DEBUG /openCache(), new cache size 73840
2016-02-21 13:53:18,869 DEBUG doPostInitialUpdate
2016-02-21 13:53:18,869 DEBUG plugins for condition 'PostInitialUpdate' are '[]'
2016-02-21 13:53:18,870 DEBUG plugins for condition 'xenialPostInitialUpdate' are '[]'
2016-02-21 13:53:18,870 DEBUG plugins for condition 'from_trustyPostInitialUpdate' are '[]'
2016-02-21 13:53:25,746 DEBUG MetaPkgs: ubuntu-desktop ubuntu-gnome-desktop
2016-02-21 13:53:36,884 DEBUG Foreign: skype skype-bin:i386
2016-02-21 13:53:36,884 DEBUG Obsolete: cinnamon cinnamon-bluetooth cinnamon-common cinnamon-control-center cinnamon-control-center-data cinnamon-desktop-data cinnamon-screensaver cinnamon-session cinnamon-session-common cinnamon-settings-daemon cinnamon-translations cjs gir1.2-cinnamondesktop-3.0 gir1.2-cmenu-3.0 google-chrome-stable jayatana libcinnamon-control-center1 libcinnamon-desktop4 libcinnamon-menu-3-0 libcjs0e libreoffice-style-mint lightworks mint-backgrounds-maya mint-backgrounds-nadia mint-backgrounds-olivia mint-backgrounds-petra mint-backgrounds-qiana mint-backgrounds-rafaela mint-backgrounds-rebecca mint-backgrounds-retro mint-themes mint-themes-gtk3 mint-x-icons mouseserver nylas outreel pipelight-multi python3-argcomplete realvnc-vnc-server realvnc-vnc-viewer teamviewer:i386 ubuntu-make viber wine-staging wine-staging-amd64 wine-staging-i386:i386
2016-02-21 13:53:36,885 DEBUG updateSourcesList()
2016-02-21 13:53:37,265 DEBUG rewriteSourcesList() with mirror_check
2016-02-21 13:53:37,265 DEBUG ['ubuntu-minimal', 'ubuntu-standard']
2016-02-21 13:53:37,266 DEBUG Checking pkg: ubuntu-minimal
2016-02-21 13:53:37,270 DEBUG Checking pkg: ubuntu-standard
2016-02-21 13:53:37,275 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu trusty main restricted'
2016-02-21 13:53:37,275 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu xenial main restricted' updated to new dist
2016-02-21 13:53:37,276 DEBUG examining: 'deb-src http://archive.ubuntu.com/ubuntu trusty restricted multiverse universe main #Added by software-properties'
2016-02-21 13:53:37,276 DEBUG entry 'deb-src http://archive.ubuntu.com/ubuntu xenial restricted multiverse universe main #Added by software-properties' updated to new dist
2016-02-21 13:53:37,276 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu trusty-updates main restricted'
2016-02-21 13:53:37,277 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu xenial-updates main restricted' updated to new dist
2016-02-21 13:53:37,277 DEBUG examining: 'deb-src http://archive.ubuntu.com/ubuntu trusty-updates main multiverse universe restricted #Added by software-properties'
2016-02-21 13:53:37,278 DEBUG entry 'deb-src http://archive.ubuntu.com/ubuntu xenial-updates main multiverse universe restricted #Added by software-properties' updated to new dist
2016-02-21 13:53:37,278 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu trusty universe'
2016-02-21 13:53:37,278 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu xenial universe' updated to new dist
2016-02-21 13:53:37,279 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu trusty-updates universe'
2016-02-21 13:53:37,279 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu xenial-updates universe' updated to new dist
2016-02-21 13:53:37,279 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu trusty multiverse'
2016-02-21 13:53:37,280 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu xenial multiverse' updated to new dist
2016-02-21 13:53:37,280 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu trusty-updates multiverse'
2016-02-21 13:53:37,280 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu xenial-updates multiverse' updated to new dist
2016-02-21 13:53:37,281 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu trusty-backports main restricted universe multiverse'
2016-02-21 13:53:37,281 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu xenial-backports main restricted universe multiverse' updated to new dist
2016-02-21 13:53:37,281 DEBUG examining: 'deb-src http://archive.ubuntu.com/ubuntu trusty-backports main restricted universe multiverse #Added by software-properties'
2016-02-21 13:53:37,282 DEBUG entry 'deb-src http://archive.ubuntu.com/ubuntu xenial-backports main restricted universe multiverse #Added by software-properties' updated to new dist
2016-02-21 13:53:37,282 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu trusty-security main restricted'
2016-02-21 13:53:37,283 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu xenial-security main restricted' updated to new dist
2016-02-21 13:53:37,283 DEBUG examining: 'deb-src http://archive.ubuntu.com/ubuntu trusty-security main multiverse universe restricted #Added by software-properties'
2016-02-21 13:53:37,283 DEBUG entry 'deb-src http://archive.ubuntu.com/ubuntu xenial-security main multiverse universe restricted #Added by software-properties' updated to new dist
2016-02-21 13:53:37,284 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu trusty-security universe'
2016-02-21 13:53:37,284 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu xenial-security universe' updated to new dist
2016-02-21 13:53:37,284 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu trusty-security multiverse'
2016-02-21 13:53:37,285 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu xenial-security multiverse' updated to new dist
2016-02-21 13:53:37,285 DEBUG examining: 'deb http://archive.canonical.com/ubuntu trusty partner'
2016-02-21 13:53:37,285 DEBUG entry 'deb http://archive.canonical.com/ubuntu xenial partner' updated to new dist
2016-02-21 13:53:37,286 DEBUG examining: 'deb-src http://archive.canonical.com/ubuntu trusty partner'
2016-02-21 13:53:37,286 DEBUG entry 'deb-src http://archive.canonical.com/ubuntu xenial partner' updated to new dist
2016-02-21 13:53:37,290 DEBUG running doUpdate() (showErrors=True)
2016-02-21 13:54:22,393 DEBUG openCache()
2016-02-21 13:54:22,393 DEBUG failed to SystemUnLock() (E:Not locked) 
2016-02-21 13:54:23,468 DEBUG /openCache(), new cache size 2943
2016-02-21 13:54:23,469 DEBUG need_server_mode(): run in 'desktop' mode, (because of pkg 'ubuntu-desktop')
2016-02-21 13:54:23,470 ERROR No 'ubuntu-minimal' available/downloadable after sources.list rewrite+update
2016-02-21 13:54:23,470 ERROR 'ubuntu-minimal' was not downloadable
2016-02-21 13:54:23,491 DEBUG abort called
2016-02-21 13:54:23,496 DEBUG openCache()
2016-02-21 13:54:43,314 DEBUG /openCache(), new cache size 73840
2016-02-21 13:54:43,345 DEBUG enabling apt cron job