2020-10-03 09:49:48,483 INFO Using config files '['./DistUpgrade.cfg.bionic']'
2020-10-03 09:49:48,483 INFO uname information: 'Linux Ubuntu-18 4.15.0-118-generic #119-Ubuntu SMP Tue Sep 8 12:30:01 UTC 2020 x86_64'
2020-10-03 09:49:49,043 INFO apt version: '1.6.12ubuntu0.1'
2020-10-03 09:49:49,044 INFO python version: '3.6.9 (default, Jul 17 2020, 12:50:27) 
[GCC 8.4.0]'
2020-10-03 09:49:49,050 INFO release-upgrader version '20.04.25' started
2020-10-03 09:49:49,130 INFO locale: 'en_US' 'UTF-8'
2020-10-03 09:49:49,389 DEBUG Using 'DistUpgradeViewGtk3' view
2020-10-03 09:49:49,456 DEBUG enable dpkg --force-overwrite
2020-10-03 09:49:49,480 DEBUG creating statefile: '/var/log/dist-upgrade/apt-clone_system_state.tar.gz'
2020-10-03 09:49:56,256 DEBUG lsb-release: 'bionic'
2020-10-03 09:49:56,257 DEBUG _pythonSymlinkCheck run
2020-10-03 09:49:56,258 DEBUG openCache()
2020-10-03 09:49:56,258 DEBUG quirks: running PreCacheOpen
2020-10-03 09:49:56,258 DEBUG running Quirks.PreCacheOpen
2020-10-03 09:49:58,070 DEBUG Comparing 4.15.0-112 with 
2020-10-03 09:49:58,070 DEBUG Comparing 4.15.0-118 with 4.15.0-112
2020-10-03 09:49:58,639 DEBUG /openCache(), new cache size 99735
2020-10-03 09:49:58,639 DEBUG need_server_mode(): run in 'desktop' mode, (because of pkg 'ubuntu-desktop')
2020-10-03 09:49:58,639 DEBUG checkViewDepends()
2020-10-03 09:49:58,641 DEBUG running doUpdate() (showErrors=False)
2020-10-03 09:50:02,806 DEBUG openCache()
2020-10-03 09:50:04,677 DEBUG Comparing 4.15.0-112 with 
2020-10-03 09:50:04,678 DEBUG Comparing 4.15.0-118 with 4.15.0-112
2020-10-03 09:50:05,277 DEBUG /openCache(), new cache size 99735
2020-10-03 09:50:05,277 DEBUG doPostInitialUpdate
2020-10-03 09:50:05,277 DEBUG quirks: running focalPostInitialUpdate
2020-10-03 09:50:05,277 DEBUG running Quirks.focalPostInitialUpdate
2020-10-03 09:50:09,728 DEBUG Snap core18 is installed
2020-10-03 09:50:10,034 DEBUG Snap gnome-3-34-1804 is installed
2020-10-03 09:50:10,035 DEBUG Snap gnome-3-34-1804 is not tracking the release channel
2020-10-03 09:50:10,661 DEBUG Snap gtk-common-themes is installed
2020-10-03 09:50:10,661 DEBUG Snap gtk-common-themes is not tracking the release channel
2020-10-03 09:50:11,715 DEBUG Snap gnome-3-28-1804 is installed
2020-10-03 09:50:11,715 DEBUG Snap gnome-3-28-1804 is not tracking the release channel
2020-10-03 09:50:12,241 DEBUG Snap gnome-calculator is installed
2020-10-03 09:50:12,632 DEBUG Snap gnome-characters is installed
2020-10-03 09:50:13,517 DEBUG Snap gnome-logs is installed
2020-10-03 09:50:19,450 DEBUG MetaPkgs: ubuntu-desktop
2020-10-03 09:50:26,297 DEBUG Foreign: 
2020-10-03 09:50:26,297 DEBUG Obsolete: zoom
2020-10-03 09:50:26,298 DEBUG updateSourcesList()
2020-10-03 09:50:26,322 DEBUG rewriteSourcesList() with mirror_check
2020-10-03 09:50:26,323 DEBUG ['ubuntu-minimal', 'ubuntu-standard']
2020-10-03 09:50:26,323 DEBUG Checking pkg: ubuntu-minimal
2020-10-03 09:50:26,326 DEBUG Checking pkg: ubuntu-standard
2020-10-03 09:50:26,329 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ bionic main restricted'
2020-10-03 09:50:26,329 DEBUG verifySourcesListEntry: deb http://us.archive.ubuntu.com/ubuntu/ focal main restricted
2020-10-03 09:50:26,329 DEBUG url_downloadable: http://us.archive.ubuntu.com/ubuntu//dists/focal/Release
2020-10-03 09:50:26,329 DEBUG s='http' n='us.archive.ubuntu.com' p='/ubuntu//dists/focal/Release' q='' f=''
2020-10-03 09:50:26,672 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ focal main restricted' updated to new dist
2020-10-03 09:50:26,672 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ bionic-updates main restricted'
2020-10-03 09:50:26,672 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ focal-updates main restricted' updated to new dist
2020-10-03 09:50:26,672 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ bionic universe'
2020-10-03 09:50:26,672 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ focal universe' updated to new dist
2020-10-03 09:50:26,672 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ bionic-updates universe'
2020-10-03 09:50:26,673 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ focal-updates universe' updated to new dist
2020-10-03 09:50:26,673 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ bionic multiverse'
2020-10-03 09:50:26,673 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ focal multiverse' updated to new dist
2020-10-03 09:50:26,673 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ bionic-updates multiverse'
2020-10-03 09:50:26,673 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ focal-updates multiverse' updated to new dist
2020-10-03 09:50:26,673 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ bionic-backports main restricted universe multiverse'
2020-10-03 09:50:26,673 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ focal-backports main restricted universe multiverse' updated to new dist
2020-10-03 09:50:26,674 DEBUG examining: 'deb http://security.ubuntu.com/ubuntu bionic-security main restricted'
2020-10-03 09:50:26,674 DEBUG verifySourcesListEntry: deb http://security.ubuntu.com/ubuntu focal main restricted
2020-10-03 09:50:26,674 DEBUG url_downloadable: http://security.ubuntu.com/ubuntu/dists/focal/Release
2020-10-03 09:50:26,674 DEBUG s='http' n='security.ubuntu.com' p='/ubuntu/dists/focal/Release' q='' f=''
2020-10-03 09:50:26,761 DEBUG entry 'deb http://security.ubuntu.com/ubuntu focal-security main restricted' updated to new dist
2020-10-03 09:50:26,761 DEBUG examining: 'deb http://security.ubuntu.com/ubuntu bionic-security universe'
2020-10-03 09:50:26,762 DEBUG entry 'deb http://security.ubuntu.com/ubuntu focal-security universe' updated to new dist
2020-10-03 09:50:26,762 DEBUG examining: 'deb http://security.ubuntu.com/ubuntu bionic-security multiverse'
2020-10-03 09:50:26,762 DEBUG entry 'deb http://security.ubuntu.com/ubuntu focal-security multiverse' updated to new dist
2020-10-03 09:50:26,764 DEBUG running doUpdate() (showErrors=True)
2020-10-03 09:51:34,608 DEBUG openCache()
2020-10-03 09:51:35,917 DEBUG Comparing 4.15.0-112 with 
2020-10-03 09:51:35,917 DEBUG Comparing 4.15.0-118 with 4.15.0-112
2020-10-03 09:51:36,286 DEBUG /openCache(), new cache size 66469
2020-10-03 09:51:36,286 DEBUG need_server_mode(): run in 'desktop' mode, (because of pkg 'ubuntu-desktop')
2020-10-03 09:51:36,287 DEBUG quirks: running PreDistUpgradeCache
2020-10-03 09:51:36,287 DEBUG running Quirks.PreDistUpgradeCache
2020-10-03 09:51:36,287 INFO installing python-is-python2 because python-minimal was installed
2020-10-03 09:51:36,287 DEBUG Installing 'python-is-python2' (python-minimal was installed on the system)
2020-10-03 09:51:36,335 INFO removing python-minimal because python-is-python2 is being installed
2020-10-03 09:51:36,335 DEBUG Removing 'python-minimal' (python-is-python2 is being installed on the system)
2020-10-03 09:51:36,335 INFO failed to remove python-minimal
2020-10-03 09:51:44,336 ERROR Dist-upgrade failed: 'E:Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.'
2020-10-03 09:51:44,337 DEBUG abort called
2020-10-03 09:51:44,338 DEBUG openCache()
2020-10-03 09:51:48,874 DEBUG Comparing 4.15.0-112 with 
2020-10-03 09:51:48,875 DEBUG Comparing 4.15.0-118 with 4.15.0-112
2020-10-03 09:51:49,467 DEBUG /openCache(), new cache size 99735