2020-11-05 22:24:09,284 INFO Using config files '['./DistUpgrade.cfg.bionic']'
2020-11-05 22:24:09,285 INFO uname information: 'Linux musso-VirtualBoxUbuntu 5.4.0-52-generic #57~18.04.1-Ubuntu SMP Thu Oct 15 14:04:49 UTC 2020 x86_64'
2020-11-05 22:24:09,949 INFO apt version: '1.6.12ubuntu0.1'
2020-11-05 22:24:09,949 INFO python version: '3.6.9 (default, Oct  8 2020, 12:12:24) 
[GCC 8.4.0]'
2020-11-05 22:24:09,953 INFO release-upgrader version '20.04.28' started
2020-11-05 22:24:09,968 INFO locale: 'en_US' 'UTF-8'
2020-11-05 22:24:10,044 INFO screen could not be run
2020-11-05 22:24:10,092 DEBUG Using 'DistUpgradeViewText' view
2020-11-05 22:24:10,151 DEBUG enable dpkg --force-overwrite
2020-11-05 22:24:10,194 DEBUG creating statefile: '/var/log/dist-upgrade/apt-clone_system_state.tar.gz'
2020-11-05 22:24:17,727 DEBUG lsb-release: 'bionic'
2020-11-05 22:24:17,728 DEBUG _pythonSymlinkCheck run
2020-11-05 22:24:17,730 DEBUG openCache()
2020-11-05 22:24:17,730 DEBUG quirks: running PreCacheOpen
2020-11-05 22:24:17,730 DEBUG running Quirks.PreCacheOpen
2020-11-05 22:24:19,599 DEBUG Comparing 5.4.0-51 with 
2020-11-05 22:24:19,599 DEBUG Comparing 5.4.0-52 with 5.4.0-51
2020-11-05 22:24:20,107 DEBUG /openCache(), new cache size 100218
2020-11-05 22:24:20,108 DEBUG need_server_mode(): run in 'desktop' mode, (because of pkg 'ubuntu-desktop')
2020-11-05 22:24:20,109 DEBUG checkViewDepends()
2020-11-05 22:24:20,121 DEBUG running doUpdate() (showErrors=False)
2020-11-05 22:24:23,100 DEBUG openCache()
2020-11-05 22:24:25,000 DEBUG Comparing 5.4.0-51 with 
2020-11-05 22:24:25,000 DEBUG Comparing 5.4.0-52 with 5.4.0-51
2020-11-05 22:24:25,461 DEBUG /openCache(), new cache size 100218
2020-11-05 22:24:25,461 DEBUG doPostInitialUpdate
2020-11-05 22:24:25,461 DEBUG quirks: running focalPostInitialUpdate
2020-11-05 22:24:25,461 DEBUG running Quirks.focalPostInitialUpdate
2020-11-05 22:24:28,758 DEBUG Snap core18 is installed
2020-11-05 22:24:29,054 DEBUG Snap gnome-3-34-1804 is installed
2020-11-05 22:24:29,057 DEBUG Snap gnome-3-34-1804 is not tracking the release channel
2020-11-05 22:24:29,366 DEBUG Snap gtk-common-themes is installed
2020-11-05 22:24:29,952 DEBUG Snap gnome-3-28-1804 is installed
2020-11-05 22:24:29,953 DEBUG Snap gnome-3-28-1804 is not tracking the release channel
2020-11-05 22:24:30,173 DEBUG Snap gnome-calculator is installed
2020-11-05 22:24:30,486 DEBUG Snap gnome-characters is installed
2020-11-05 22:24:30,782 DEBUG Snap gnome-logs is installed
2020-11-05 22:24:35,103 DEBUG MetaPkgs: ubuntu-desktop
2020-11-05 22:24:43,086 DEBUG Foreign: 
2020-11-05 22:24:43,086 DEBUG Obsolete: containerd.io dike6 docker-ce docker-ce-cli ganttproject google-chrome-stable
2020-11-05 22:24:43,087 DEBUG updateSourcesList()
2020-11-05 22:24:43,101 DEBUG rewriteSourcesList() with mirror_check
2020-11-05 22:24:43,101 DEBUG ['ubuntu-minimal', 'ubuntu-standard']
2020-11-05 22:24:43,101 DEBUG Checking pkg: ubuntu-minimal
2020-11-05 22:24:43,106 DEBUG Checking pkg: ubuntu-standard
2020-11-05 22:24:43,111 DEBUG examining: 'deb-src http://archive.ubuntu.com/ubuntu bionic main restricted #Added by software-properties'
2020-11-05 22:24:43,111 DEBUG verifySourcesListEntry: deb-src http://archive.ubuntu.com/ubuntu focal main restricted #Added by software-properties
2020-11-05 22:24:43,111 DEBUG url_downloadable: http://archive.ubuntu.com/ubuntu/dists/focal/Release
2020-11-05 22:24:43,111 DEBUG s='http' n='archive.ubuntu.com' p='/ubuntu/dists/focal/Release' q='' f=''
2020-11-05 22:24:43,175 DEBUG entry 'deb-src http://archive.ubuntu.com/ubuntu focal main restricted #Added by software-properties' updated to new dist
2020-11-05 22:24:43,176 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu bionic main restricted'
2020-11-05 22:24:43,176 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu focal main restricted' updated to new dist
2020-11-05 22:24:43,176 DEBUG examining: 'deb-src http://archive.ubuntu.com/ubuntu bionic universe multiverse'
2020-11-05 22:24:43,176 DEBUG entry 'deb-src http://archive.ubuntu.com/ubuntu focal universe multiverse' updated to new dist
2020-11-05 22:24:43,176 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu bionic-updates main restricted'
2020-11-05 22:24:43,176 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu focal-updates main restricted' updated to new dist
2020-11-05 22:24:43,176 DEBUG examining: 'deb-src http://archive.ubuntu.com/ubuntu bionic-updates restricted main universe multiverse'
2020-11-05 22:24:43,176 DEBUG entry 'deb-src http://archive.ubuntu.com/ubuntu focal-updates restricted main universe multiverse' updated to new dist
2020-11-05 22:24:43,176 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu bionic universe'
2020-11-05 22:24:43,176 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu focal universe' updated to new dist
2020-11-05 22:24:43,176 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu bionic-updates universe'
2020-11-05 22:24:43,176 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu focal-updates universe' updated to new dist
2020-11-05 22:24:43,177 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu bionic multiverse'
2020-11-05 22:24:43,177 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu focal multiverse' updated to new dist
2020-11-05 22:24:43,177 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu bionic-updates multiverse'
2020-11-05 22:24:43,177 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu focal-updates multiverse' updated to new dist
2020-11-05 22:24:43,177 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu bionic-backports main restricted universe multiverse'
2020-11-05 22:24:43,177 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu focal-backports main restricted universe multiverse' updated to new dist
2020-11-05 22:24:43,177 DEBUG examining: 'deb-src http://archive.ubuntu.com/ubuntu bionic-backports main restricted universe multiverse'
2020-11-05 22:24:43,177 DEBUG entry 'deb-src http://archive.ubuntu.com/ubuntu focal-backports main restricted universe multiverse' updated to new dist
2020-11-05 22:24:43,177 DEBUG examining: 'deb http://archive.canonical.com/ubuntu bionic partner'
2020-11-05 22:24:43,177 DEBUG verifySourcesListEntry: deb http://archive.canonical.com/ubuntu focal partner
2020-11-05 22:24:43,177 DEBUG url_downloadable: http://archive.canonical.com/ubuntu/dists/focal/Release
2020-11-05 22:24:43,177 DEBUG s='http' n='archive.canonical.com' p='/ubuntu/dists/focal/Release' q='' f=''
2020-11-05 22:24:43,274 DEBUG entry 'deb http://archive.canonical.com/ubuntu focal partner' updated to new dist
2020-11-05 22:24:43,275 DEBUG examining: 'deb-src http://archive.canonical.com/ubuntu bionic partner'
2020-11-05 22:24:43,275 DEBUG entry 'deb-src http://archive.canonical.com/ubuntu focal partner' updated to new dist
2020-11-05 22:24:43,275 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu bionic-security main restricted'
2020-11-05 22:24:43,275 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu focal-security main restricted' updated to new dist
2020-11-05 22:24:43,275 DEBUG examining: 'deb-src http://archive.ubuntu.com/ubuntu bionic-security restricted main universe multiverse'
2020-11-05 22:24:43,275 DEBUG entry 'deb-src http://archive.ubuntu.com/ubuntu focal-security restricted main universe multiverse' updated to new dist
2020-11-05 22:24:43,275 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu bionic-security universe'
2020-11-05 22:24:43,275 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu focal-security universe' updated to new dist
2020-11-05 22:24:43,276 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu bionic-security multiverse'
2020-11-05 22:24:43,276 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu focal-security multiverse' updated to new dist
2020-11-05 22:24:43,276 DEBUG examining: 'deb-src http://ppa.launchpad.net/nilarimogard/webupd8/ubuntu bionic main'
2020-11-05 22:24:43,278 DEBUG entry '# deb-src http://ppa.launchpad.net/nilarimogard/webupd8/ubuntu focal main # disabled on upgrade to focal' was disabled (unknown mirror)
2020-11-05 22:24:43,278 DEBUG examining: 'deb-src http://ppa.launchpad.net/webupd8team/java/ubuntu bionic main'
2020-11-05 22:24:43,281 DEBUG entry '# deb-src http://ppa.launchpad.net/webupd8team/java/ubuntu focal main # disabled on upgrade to focal' was disabled (unknown mirror)
2020-11-05 22:24:48,909 DEBUG running doUpdate() (showErrors=True)
2020-11-05 22:25:29,960 DEBUG openCache()
2020-11-05 22:25:31,400 DEBUG Comparing 5.4.0-51 with 
2020-11-05 22:25:31,400 DEBUG Comparing 5.4.0-52 with 5.4.0-51
2020-11-05 22:25:31,714 DEBUG /openCache(), new cache size 66633
2020-11-05 22:25:31,714 DEBUG need_server_mode(): run in 'desktop' mode, (because of pkg 'ubuntu-desktop')
2020-11-05 22:25:31,715 DEBUG quirks: running PreDistUpgradeCache
2020-11-05 22:25:31,715 DEBUG running Quirks.PreDistUpgradeCache
2020-11-05 22:25:31,715 INFO checking for python-dbg
2020-11-05 22:25:31,716 INFO installing python2-dbg because python-dbg was installed
2020-11-05 22:25:31,716 DEBUG Installing 'python2-dbg' (python-dbg was installed on the system)
2020-11-05 22:25:32,019 ERROR Dist-upgrade failed: 'E:Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.'
2020-11-05 22:25:32,023 DEBUG abort called
2020-11-05 22:25:32,026 DEBUG openCache()
2020-11-05 22:25:37,206 DEBUG Comparing 5.4.0-51 with 
2020-11-05 22:25:37,207 DEBUG Comparing 5.4.0-52 with 5.4.0-51
2020-11-05 22:25:37,706 DEBUG /openCache(), new cache size 100218