2020-10-27 10:17:47,852 INFO Using config files '['./DistUpgrade.cfg.bionic']'
2020-10-27 10:17:47,852 INFO uname information: 'Linux robert-Dell-System-XPS-L702X 5.4.0-52-generic #57~18.04.1-Ubuntu SMP Thu Oct 15 14:04:49 UTC 2020 x86_64'
2020-10-27 10:17:48,358 INFO apt version: '1.6.12ubuntu0.1'
2020-10-27 10:17:48,358 INFO python version: '3.6.9 (default, Oct  8 2020, 12:12:24) 
[GCC 8.4.0]'
2020-10-27 10:17:48,362 INFO release-upgrader version '20.04.28' started
2020-10-27 10:17:48,439 INFO locale: 'en_US' 'UTF-8'
2020-10-27 10:17:48,800 DEBUG Using 'DistUpgradeViewGtk3' view
2020-10-27 10:17:48,861 DEBUG enable dpkg --force-overwrite
2020-10-27 10:17:48,884 DEBUG creating statefile: '/var/log/dist-upgrade/apt-clone_system_state.tar.gz'
2020-10-27 10:17:54,067 DEBUG lsb-release: 'bionic'
2020-10-27 10:17:54,067 DEBUG _pythonSymlinkCheck run
2020-10-27 10:17:54,068 DEBUG openCache()
2020-10-27 10:17:54,068 DEBUG quirks: running PreCacheOpen
2020-10-27 10:17:54,069 DEBUG running Quirks.PreCacheOpen
2020-10-27 10:17:55,663 DEBUG Comparing 4.15.0-122 with 
2020-10-27 10:17:55,672 DEBUG Comparing 5.4.0-51 with 4.15.0-122
2020-10-27 10:17:55,673 DEBUG Comparing 5.4.0-52 with 5.4.0-51
2020-10-27 10:17:56,148 DEBUG /openCache(), new cache size 100197
2020-10-27 10:17:56,148 DEBUG need_server_mode(): run in 'desktop' mode, (because of pkg 'ubuntu-desktop')
2020-10-27 10:17:56,148 DEBUG checkViewDepends()
2020-10-27 10:17:56,150 DEBUG running doUpdate() (showErrors=False)
2020-10-27 10:17:58,011 DEBUG openCache()
2020-10-27 10:17:59,602 DEBUG Comparing 4.15.0-122 with 
2020-10-27 10:17:59,611 DEBUG Comparing 5.4.0-51 with 4.15.0-122
2020-10-27 10:17:59,612 DEBUG Comparing 5.4.0-52 with 5.4.0-51
2020-10-27 10:18:00,083 DEBUG /openCache(), new cache size 100197
2020-10-27 10:18:00,083 DEBUG doPostInitialUpdate
2020-10-27 10:18:00,083 DEBUG quirks: running focalPostInitialUpdate
2020-10-27 10:18:00,083 DEBUG running Quirks.focalPostInitialUpdate
2020-10-27 10:18:06,545 DEBUG Snap core18 is installed
2020-10-27 10:18:08,029 DEBUG Snap gnome-3-34-1804 is installed
2020-10-27 10:18:08,031 DEBUG Snap gnome-3-34-1804 is not tracking the release channel
2020-10-27 10:18:12,124 DEBUG Snap gtk-common-themes is installed
2020-10-27 10:18:15,570 DEBUG Snap gnome-3-28-1804 is installed
2020-10-27 10:18:15,608 DEBUG Snap gnome-3-28-1804 is being used by caprine. Switching it to stable track
2020-10-27 10:18:17,074 DEBUG Snap gnome-calculator is installed
2020-10-27 10:18:18,514 DEBUG Snap gnome-characters is installed
2020-10-27 10:18:21,293 DEBUG Snap gnome-logs is installed
2020-10-27 10:18:26,770 DEBUG MetaPkgs: ubuntu-desktop
2020-10-27 10:18:31,739 DEBUG Foreign: 
2020-10-27 10:18:31,739 DEBUG Obsolete: anbox-modules-dkms aspnetcore-runtime-3.0 bladerf-fpga-hostedxa9 dotnet-host dotnet-hostfxr-3.0 dotnet-runtime-3.0 dotnet-runtime-deps-3.0 libbladerf-udev libbladerf2 libvolk1.4
2020-10-27 10:18:31,740 DEBUG updateSourcesList()
2020-10-27 10:18:31,823 DEBUG rewriteSourcesList() with mirror_check
2020-10-27 10:18:31,824 DEBUG ['ubuntu-minimal', 'ubuntu-standard']
2020-10-27 10:18:31,824 DEBUG Checking pkg: ubuntu-minimal
2020-10-27 10:18:31,826 DEBUG Checking pkg: ubuntu-standard
2020-10-27 10:18:31,828 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ bionic main restricted'
2020-10-27 10:18:31,828 DEBUG verifySourcesListEntry: deb http://us.archive.ubuntu.com/ubuntu/ focal main restricted
2020-10-27 10:18:31,829 DEBUG url_downloadable: http://us.archive.ubuntu.com/ubuntu//dists/focal/Release
2020-10-27 10:18:31,829 DEBUG s='http' n='us.archive.ubuntu.com' p='/ubuntu//dists/focal/Release' q='' f=''
2020-10-27 10:18:31,933 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ focal main restricted' updated to new dist
2020-10-27 10:18:31,934 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ bionic-updates main restricted'
2020-10-27 10:18:31,934 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ focal-updates main restricted' updated to new dist
2020-10-27 10:18:31,934 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ bionic universe'
2020-10-27 10:18:31,935 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ focal universe' updated to new dist
2020-10-27 10:18:31,935 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ bionic-updates universe'
2020-10-27 10:18:31,935 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ focal-updates universe' updated to new dist
2020-10-27 10:18:31,936 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ bionic multiverse'
2020-10-27 10:18:31,936 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ focal multiverse' updated to new dist
2020-10-27 10:18:31,936 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ bionic-updates multiverse'
2020-10-27 10:18:31,937 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ focal-updates multiverse' updated to new dist
2020-10-27 10:18:31,937 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ bionic-backports main restricted universe multiverse'
2020-10-27 10:18:31,937 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ focal-backports main restricted universe multiverse' updated to new dist
2020-10-27 10:18:31,938 DEBUG examining: 'deb http://security.ubuntu.com/ubuntu bionic-security main restricted'
2020-10-27 10:18:31,938 DEBUG verifySourcesListEntry: deb http://security.ubuntu.com/ubuntu focal main restricted
2020-10-27 10:18:31,938 DEBUG url_downloadable: http://security.ubuntu.com/ubuntu/dists/focal/Release
2020-10-27 10:18:31,938 DEBUG s='http' n='security.ubuntu.com' p='/ubuntu/dists/focal/Release' q='' f=''
2020-10-27 10:18:32,160 DEBUG entry 'deb http://security.ubuntu.com/ubuntu focal-security main restricted' updated to new dist
2020-10-27 10:18:32,161 DEBUG examining: 'deb http://security.ubuntu.com/ubuntu bionic-security universe'
2020-10-27 10:18:32,161 DEBUG entry 'deb http://security.ubuntu.com/ubuntu focal-security universe' updated to new dist
2020-10-27 10:18:32,161 DEBUG examining: 'deb http://security.ubuntu.com/ubuntu bionic-security multiverse'
2020-10-27 10:18:32,162 DEBUG entry 'deb http://security.ubuntu.com/ubuntu focal-security multiverse' updated to new dist
2020-10-27 10:18:32,224 DEBUG running doUpdate() (showErrors=True)
2020-10-27 10:18:37,956 DEBUG openCache()
2020-10-27 10:18:39,102 DEBUG Comparing 4.15.0-122 with 
2020-10-27 10:18:39,104 DEBUG Comparing 5.4.0-51 with 4.15.0-122
2020-10-27 10:18:39,104 DEBUG Comparing 5.4.0-52 with 5.4.0-51
2020-10-27 10:18:39,413 DEBUG /openCache(), new cache size 66760
2020-10-27 10:18:39,413 DEBUG need_server_mode(): run in 'desktop' mode, (because of pkg 'ubuntu-desktop')
2020-10-27 10:18:39,414 DEBUG quirks: running PreDistUpgradeCache
2020-10-27 10:18:39,415 DEBUG running Quirks.PreDistUpgradeCache
2020-10-27 10:18:39,415 INFO checking for python-dbg
2020-10-27 10:18:39,415 INFO checking for python-doc
2020-10-27 10:18:39,415 INFO checking for python-minimal
2020-10-27 10:18:39,415 INFO installing python-is-python2 because python-minimal was installed
2020-10-27 10:18:39,415 DEBUG Installing 'python-is-python2' (python-minimal was installed on the system)
2020-10-27 10:19:29,141 ERROR Dist-upgrade failed: 'E:Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.'
2020-10-27 10:19:29,144 DEBUG abort called
2020-10-27 10:19:29,149 DEBUG openCache()
2020-10-27 10:19:32,757 DEBUG Comparing 4.15.0-122 with 
2020-10-27 10:19:32,766 DEBUG Comparing 5.4.0-51 with 4.15.0-122
2020-10-27 10:19:32,767 DEBUG Comparing 5.4.0-52 with 5.4.0-51
2020-10-27 10:19:33,243 DEBUG /openCache(), new cache size 100197