2016-08-08 15:59:19,699 INFO Using config files '['./DistUpgrade.cfg.trusty']'
2016-08-08 15:59:19,699 INFO uname information: 'Linux steve-ThinkCentre-M58p 3.19.0-65-generic #73~14.04.1-Ubuntu SMP Wed Jun 29 21:05:22 UTC 2016 x86_64'
2016-08-08 15:59:20,109 INFO apt version: '1.0.1ubuntu2.14'
2016-08-08 15:59:20,110 INFO python version: '3.4.3 (default, Oct 14 2015, 20:28:29) 
[GCC 4.8.4]'
2016-08-08 15:59:20,112 INFO release-upgrader version '16.04.14' started
2016-08-08 15:59:20,202 INFO locale: 'en_US' 'UTF-8'
2016-08-08 15:59:20,683 DEBUG Using 'DistUpgradeViewGtk3' view
2016-08-08 15:59:20,727 DEBUG aufsOptionsAndEnvironmentSetup()
2016-08-08 15:59:20,749 DEBUG using '/tmp/upgrade-rw-xpdhd8tu' as aufs_rw_dir
2016-08-08 15:59:20,749 DEBUG using '/tmp/upgrade-chroot-fmazo960' as aufs chroot dir
2016-08-08 15:59:20,749 DEBUG enable dpkg --force-overwrite
2016-08-08 15:59:20,789 DEBUG creating statefile: '/var/log/dist-upgrade/apt-clone_system_state.tar.gz'
2016-08-08 15:59:24,788 DEBUG lsb-release: 'trusty'
2016-08-08 15:59:24,789 DEBUG _pythonSymlinkCheck run
2016-08-08 15:59:24,811 DEBUG openCache()
2016-08-08 15:59:24,812 DEBUG No such plugin directory: ./plugins
2016-08-08 15:59:24,812 DEBUG plugins for condition 'PreCacheOpen' are '[]'
2016-08-08 15:59:24,812 DEBUG plugins for condition 'xenialPreCacheOpen' are '[]'
2016-08-08 15:59:24,812 DEBUG plugins for condition 'from_trustyPreCacheOpen' are '[]'
2016-08-08 15:59:24,812 DEBUG quirks: running PreCacheOpen
2016-08-08 15:59:24,812 DEBUG running Quirks.PreCacheOpen
2016-08-08 15:59:25,619 DEBUG /openCache(), new cache size 74905
2016-08-08 15:59:25,619 DEBUG need_server_mode(): run in 'desktop' mode, (because of pkg 'ubuntu-desktop')
2016-08-08 15:59:25,619 DEBUG checkViewDepends()
2016-08-08 15:59:25,619 DEBUG depends: 'apt (>= 1.0.1ubuntu2.13)'
2016-08-08 15:59:25,620 DEBUG checking: '[('apt', '1.0.1ubuntu2.13', '>=')]' 
2016-08-08 15:59:25,620 DEBUG depends: 'dpkg (>= 1.17.5ubuntu5.6)'
2016-08-08 15:59:25,620 DEBUG checking: '[('dpkg', '1.17.5ubuntu5.6', '>=')]' 
2016-08-08 15:59:25,620 DEBUG running doUpdate() (showErrors=False)
2016-08-08 16:00:23,557 ERROR IOError/SystemError in cache.update(): 'W:Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty-updates/main/binary-i386/Packages  Hash Sum mismatch
, E:Some index files failed to download. They have been ignored, or old ones used instead.'. Retrying (currentRetry: 0)
2016-08-08 16:00:23,557 ERROR doUpdate() failed completely
2016-08-08 16:00:23,557 DEBUG openCache()
2016-08-08 16:00:28,886 DEBUG /openCache(), new cache size 74992
2016-08-08 16:00:28,887 DEBUG doPostInitialUpdate
2016-08-08 16:00:28,887 DEBUG plugins for condition 'PostInitialUpdate' are '[]'
2016-08-08 16:00:28,887 DEBUG plugins for condition 'xenialPostInitialUpdate' are '[]'
2016-08-08 16:00:28,887 DEBUG plugins for condition 'from_trustyPostInitialUpdate' are '[]'
2016-08-08 16:00:30,749 DEBUG MetaPkgs: ubuntu-desktop
2016-08-08 16:00:33,941 DEBUG Foreign: google-chrome-stable steam-launcher
2016-08-08 16:00:33,941 DEBUG Obsolete: 
2016-08-08 16:00:33,941 DEBUG updateSourcesList()
2016-08-08 16:00:34,103 DEBUG rewriteSourcesList() with mirror_check
2016-08-08 16:00:34,103 DEBUG ['ubuntu-minimal', 'ubuntu-standard']
2016-08-08 16:00:34,103 DEBUG Checking pkg: ubuntu-minimal
2016-08-08 16:00:34,105 DEBUG Checking pkg: ubuntu-standard
2016-08-08 16:00:34,106 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ trusty main restricted'
2016-08-08 16:00:34,107 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ xenial main restricted' updated to new dist
2016-08-08 16:00:34,107 DEBUG examining: 'deb-src http://us.archive.ubuntu.com/ubuntu/ trusty main restricted'
2016-08-08 16:00:34,107 DEBUG entry 'deb-src http://us.archive.ubuntu.com/ubuntu/ xenial main restricted' updated to new dist
2016-08-08 16:00:34,107 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ trusty-updates main restricted'
2016-08-08 16:00:34,107 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ xenial-updates main restricted' updated to new dist
2016-08-08 16:00:34,107 DEBUG examining: 'deb-src http://us.archive.ubuntu.com/ubuntu/ trusty-updates main restricted'
2016-08-08 16:00:34,107 DEBUG entry 'deb-src http://us.archive.ubuntu.com/ubuntu/ xenial-updates main restricted' updated to new dist
2016-08-08 16:00:34,107 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ trusty universe'
2016-08-08 16:00:34,107 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ xenial universe' updated to new dist
2016-08-08 16:00:34,107 DEBUG examining: 'deb-src http://us.archive.ubuntu.com/ubuntu/ trusty universe'
2016-08-08 16:00:34,108 DEBUG entry 'deb-src http://us.archive.ubuntu.com/ubuntu/ xenial universe' updated to new dist
2016-08-08 16:00:34,108 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ trusty-updates universe'
2016-08-08 16:00:34,108 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ xenial-updates universe' updated to new dist
2016-08-08 16:00:34,108 DEBUG examining: 'deb-src http://us.archive.ubuntu.com/ubuntu/ trusty-updates universe'
2016-08-08 16:00:34,108 DEBUG entry 'deb-src http://us.archive.ubuntu.com/ubuntu/ xenial-updates universe' updated to new dist
2016-08-08 16:00:34,108 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ trusty multiverse'
2016-08-08 16:00:34,108 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ xenial multiverse' updated to new dist
2016-08-08 16:00:34,108 DEBUG examining: 'deb-src http://us.archive.ubuntu.com/ubuntu/ trusty multiverse'
2016-08-08 16:00:34,108 DEBUG entry 'deb-src http://us.archive.ubuntu.com/ubuntu/ xenial multiverse' updated to new dist
2016-08-08 16:00:34,108 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ trusty-updates multiverse'
2016-08-08 16:00:34,108 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ xenial-updates multiverse' updated to new dist
2016-08-08 16:00:34,109 DEBUG examining: 'deb-src http://us.archive.ubuntu.com/ubuntu/ trusty-updates multiverse'
2016-08-08 16:00:34,109 DEBUG entry 'deb-src http://us.archive.ubuntu.com/ubuntu/ xenial-updates multiverse' updated to new dist
2016-08-08 16:00:34,109 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ trusty-backports main restricted universe multiverse'
2016-08-08 16:00:34,109 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ xenial-backports main restricted universe multiverse' updated to new dist
2016-08-08 16:00:34,109 DEBUG examining: 'deb-src http://us.archive.ubuntu.com/ubuntu/ trusty-backports main restricted universe multiverse'
2016-08-08 16:00:34,109 DEBUG entry 'deb-src http://us.archive.ubuntu.com/ubuntu/ xenial-backports main restricted universe multiverse' updated to new dist
2016-08-08 16:00:34,109 DEBUG examining: 'deb http://security.ubuntu.com/ubuntu trusty-security main restricted'
2016-08-08 16:00:34,109 DEBUG entry 'deb http://security.ubuntu.com/ubuntu xenial-security main restricted' updated to new dist
2016-08-08 16:00:34,109 DEBUG examining: 'deb-src http://security.ubuntu.com/ubuntu trusty-security main restricted'
2016-08-08 16:00:34,109 DEBUG entry 'deb-src http://security.ubuntu.com/ubuntu xenial-security main restricted' updated to new dist
2016-08-08 16:00:34,110 DEBUG examining: 'deb http://security.ubuntu.com/ubuntu trusty-security universe'
2016-08-08 16:00:34,110 DEBUG entry 'deb http://security.ubuntu.com/ubuntu xenial-security universe' updated to new dist
2016-08-08 16:00:34,110 DEBUG examining: 'deb-src http://security.ubuntu.com/ubuntu trusty-security universe'
2016-08-08 16:00:34,110 DEBUG entry 'deb-src http://security.ubuntu.com/ubuntu xenial-security universe' updated to new dist
2016-08-08 16:00:34,110 DEBUG examining: 'deb http://security.ubuntu.com/ubuntu trusty-security multiverse'
2016-08-08 16:00:34,110 DEBUG entry 'deb http://security.ubuntu.com/ubuntu xenial-security multiverse' updated to new dist
2016-08-08 16:00:34,110 DEBUG examining: 'deb-src http://security.ubuntu.com/ubuntu trusty-security multiverse'
2016-08-08 16:00:34,110 DEBUG entry 'deb-src http://security.ubuntu.com/ubuntu xenial-security multiverse' updated to new dist
2016-08-08 16:00:34,110 DEBUG examining: 'deb http://archive.canonical.com/ubuntu trusty partner'
2016-08-08 16:00:34,110 DEBUG entry 'deb http://archive.canonical.com/ubuntu xenial partner' updated to new dist
2016-08-08 16:00:34,111 DEBUG examining: 'deb https://private-ppa.launchpad.net/commercial-ppa-uploaders/steam/ubuntu trusty main #Added by software-center; credentials stored in /etc/apt/auth.conf'
2016-08-08 16:00:34,112 DEBUG entry '# deb https://private-ppa.launchpad.net/commercial-ppa-uploaders/steam/ubuntu xenial main #Added by software-center; credentials stored in /etc/apt/auth.conf disabled on upgrade to xenial' was disabled (unknown mirror)
2016-08-08 16:00:34,112 DEBUG examining: 'deb [arch=amd64,i386] http://repo.steampowered.com/steam/ precise steam'
2016-08-08 16:00:34,113 DEBUG entry '# deb [arch=amd64,i386] http://repo.steampowered.com/steam/ precise steam # disabled on upgrade to xenial' was disabled (unknown mirror)
2016-08-08 16:00:34,113 DEBUG examining: 'deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main'
2016-08-08 16:00:34,114 DEBUG entry '# deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main # disabled on upgrade to xenial' was disabled (unknown mirror)
2016-08-08 16:00:40,177 DEBUG running doUpdate() (showErrors=True)
2016-08-08 16:02:40,322 DEBUG openCache()
2016-08-08 16:02:40,322 DEBUG failed to SystemUnLock() (E:Not locked) 
2016-08-08 16:02:40,764 DEBUG /openCache(), new cache size 2496
2016-08-08 16:02:40,764 DEBUG need_server_mode(): run in 'desktop' mode, (because of pkg 'ubuntu-desktop')
2016-08-08 16:02:40,764 ERROR No 'ubuntu-minimal' available/downloadable after sources.list rewrite+update
2016-08-08 16:02:40,764 ERROR 'ubuntu-minimal' was not downloadable
2016-08-08 16:04:52,854 DEBUG abort called
2016-08-08 16:04:52,855 DEBUG openCache()
2016-08-08 16:04:59,906 DEBUG /openCache(), new cache size 74992
2016-08-08 16:04:59,979 DEBUG enabling apt cron job