2017-06-21 16:32:59,458 INFO Using config files '['./DistUpgrade.cfg.lucid']'
2017-06-21 16:32:59,458 INFO uname information: 'Linux mark-laptop 2.6.32-74-generic #142-Ubuntu SMP Tue Apr 28 10:03:02 UTC 2015 x86_64'
2017-06-21 16:32:59,458 INFO apt version: '0.7.25.3ubuntu9.17.1'
2017-06-21 16:32:59,459 INFO release-upgrader version '0.156.14.9' started
2017-06-21 16:32:59,777 DEBUG svg pixbuf loader failed (Error displaying image)
2017-06-21 16:33:01,037 DEBUG Using 'DistUpgradeViewGtk' view
2017-06-21 16:33:01,087 DEBUG aufsOptionsAndEnvironmentSetup()
2017-06-21 16:33:01,088 DEBUG using '/tmp/upgrade-rw-UamsLf' as aufs_rw_dir
2017-06-21 16:33:01,088 DEBUG using '/tmp/upgrade-chroot-CLreG6' as aufs chroot dir
2017-06-21 16:33:01,088 DEBUG enable dpkg --force-overwrite
2017-06-21 16:33:01,144 DEBUG creating statefile: '/var/log/dist-upgrade/apt-clone_system_state.tar.gz'
2017-06-21 16:33:05,119 DEBUG lsb-release: 'lucid'
2017-06-21 16:33:05,120 DEBUG _pythonSymlinkCheck run
2017-06-21 16:33:05,137 DEBUG openCache()
2017-06-21 16:33:05,137 DEBUG Plugin modules in ./plugins: langpack_manual_plugin.py kdelibs4to5_plugin.py remove_lilo_plugin.py deb_plugin.py dpkg_status_plugin.py
2017-06-21 16:33:05,138 DEBUG Loading module ./plugins/langpack_manual_plugin.py
2017-06-21 16:33:05,140 DEBUG Plugins in <module 'langpack_manual_plugin' from './plugins/langpack_manual_plugin.py'>: <class 'langpack_manual_plugin.MarkLangpacksManuallyInstalledPlugin'>
2017-06-21 16:33:05,141 DEBUG Loading module ./plugins/kdelibs4to5_plugin.py
2017-06-21 16:33:05,142 DEBUG Plugins in <module 'kdelibs4to5_plugin' from './plugins/kdelibs4to5_plugin.py'>: <class 'kdelibs4to5_plugin.Kdelibs4devToKdelibs5devPlugin'>
2017-06-21 16:33:05,143 DEBUG Loading module ./plugins/remove_lilo_plugin.py
2017-06-21 16:33:05,144 DEBUG Plugins in <module 'remove_lilo_plugin' from './plugins/remove_lilo_plugin.py'>: <class 'remove_lilo_plugin.RemoveLiloPlugin'>
2017-06-21 16:33:05,145 DEBUG Loading module ./plugins/deb_plugin.py
2017-06-21 16:33:05,146 DEBUG Plugins in <module 'deb_plugin' from './plugins/deb_plugin.py'>: <class 'deb_plugin.DebPlugin'>
2017-06-21 16:33:05,146 DEBUG Loading module ./plugins/dpkg_status_plugin.py
2017-06-21 16:33:05,149 DEBUG Plugins in <module 'dpkg_status_plugin' from './plugins/dpkg_status_plugin.py'>: <class 'dpkg_status_plugin.DpkgStatusPlugin'>
2017-06-21 16:33:05,149 DEBUG plugins for condition 'PreCacheOpen' are '[]'
2017-06-21 16:33:05,149 DEBUG plugins for condition 'precisePreCacheOpen' are '[]'
2017-06-21 16:33:05,149 DEBUG plugins for condition 'from_lucidPreCacheOpen' are '[]'
2017-06-21 16:33:05,150 DEBUG quirks: running PreCacheOpen
2017-06-21 16:33:05,150 DEBUG running Quirks.PreCacheOpen
2017-06-21 16:33:05,506 DEBUG /openCache(), new cache size 33001
2017-06-21 16:33:05,507 DEBUG needServerMode(): run in 'desktop' mode, (because of key deps for 'ubuntu-desktop')
2017-06-21 16:33:05,507 DEBUG checkViewDepends()
2017-06-21 16:33:17,858 DEBUG useNetwork: 'False' (selected by user)
2017-06-21 16:33:17,858 DEBUG need backports
2017-06-21 16:33:17,858 DEBUG getRequiredBackports()
2017-06-21 16:33:17,858 DEBUG Searching for pre-requists on CDROM
2017-06-21 16:33:17,859 ERROR Expected backports: 'set(['release-upgrader-python-apt', 'libapt-inst1.4', 'libapt-pkg4.12'])' but got 'set([])'
2017-06-21 16:33:27,198 DEBUG abort called
2017-06-21 16:33:27,201 DEBUG openCache()
2017-06-21 16:33:27,640 DEBUG /openCache(), new cache size 33001
2017-06-21 16:33:27,641 DEBUG enabling apt cron job