2018-08-11 18:31:34,934 INFO Using config files '['./DistUpgrade.cfg.xenial']'
2018-08-11 18:31:34,934 INFO uname information: 'Linux ruby 4.4.0-131-generic #157-Ubuntu SMP Thu Jul 12 15:51:36 UTC 2018 x86_64'
2018-08-11 18:31:35,391 INFO apt version: '1.2.27'
2018-08-11 18:31:35,391 INFO python version: '3.5.2 (default, Nov 23 2017, 16:37:01) 
[GCC 5.4.0 20160609]'
2018-08-11 18:31:35,396 INFO release-upgrader version '18.04.22' started
2018-08-11 18:31:35,400 INFO locale: 'en_US' 'UTF-8'
2018-08-11 18:31:35,631 DEBUG Using 'DistUpgradeViewText' view
2018-08-11 18:31:35,702 DEBUG enable dpkg --force-overwrite
2018-08-11 18:31:35,751 DEBUG creating statefile: '/var/log/dist-upgrade/apt-clone_system_state.tar.gz'
2018-08-11 18:31:39,072 DEBUG lsb-release: 'xenial'
2018-08-11 18:31:39,073 DEBUG _pythonSymlinkCheck run
2018-08-11 18:31:39,075 DEBUG openCache()
2018-08-11 18:31:39,075 DEBUG No such plugin directory: ./plugins
2018-08-11 18:31:39,076 DEBUG plugins for condition 'PreCacheOpen' are '[]'
2018-08-11 18:31:39,076 DEBUG plugins for condition 'bionicPreCacheOpen' are '[]'
2018-08-11 18:31:39,076 DEBUG plugins for condition 'from_xenialPreCacheOpen' are '[]'
2018-08-11 18:31:39,076 DEBUG quirks: running PreCacheOpen
2018-08-11 18:31:39,077 DEBUG running Quirks.PreCacheOpen
2018-08-11 18:31:39,801 DEBUG /openCache(), new cache size 85731
2018-08-11 18:31:39,802 DEBUG need_server_mode(): can not find a desktop meta package or key deps, running in server mode
2018-08-11 18:31:39,802 DEBUG checkViewDepends()
2018-08-11 18:31:39,802 DEBUG running doUpdate() (showErrors=False)
2018-08-11 18:32:22,694 DEBUG openCache()
2018-08-11 18:32:23,433 DEBUG /openCache(), new cache size 85731
2018-08-11 18:32:23,434 DEBUG doPostInitialUpdate
2018-08-11 18:32:23,434 DEBUG plugins for condition 'PostInitialUpdate' are '[]'
2018-08-11 18:32:23,434 DEBUG plugins for condition 'bionicPostInitialUpdate' are '[]'
2018-08-11 18:32:23,434 DEBUG plugins for condition 'from_xenialPostInitialUpdate' are '[]'
2018-08-11 18:32:23,434 DEBUG quirks: running bionicPostInitialUpdate
2018-08-11 18:32:23,434 DEBUG running Quirks.bionicPostInitialUpdate
2018-08-11 18:32:27,354 DEBUG MetaPkgs: 
2018-08-11 18:32:30,602 DEBUG no PkgRecord found for 'chrome-gnome-shell', skipping 
2018-08-11 18:32:31,081 DEBUG no PkgRecord found for 'l2tp-ipsec-vpn-daemon', skipping 
2018-08-11 18:32:31,118 DEBUG no PkgRecord found for 'libabiword-2.8', skipping 
2018-08-11 18:32:31,714 DEBUG no PkgRecord found for 'libmagickcore5', skipping 
2018-08-11 18:32:31,714 DEBUG no PkgRecord found for 'libmagickwand5', skipping 
2018-08-11 18:32:32,473 DEBUG no PkgRecord found for 'openswan', skipping 
2018-08-11 18:32:32,523 DEBUG no PkgRecord found for 'php5-mhash', skipping 
2018-08-11 18:32:32,928 DEBUG no PkgRecord found for 'snapd-login-service', skipping 
2018-08-11 18:32:33,179 DEBUG Foreign: 
2018-08-11 18:32:33,179 DEBUG Obsolete: cmap-adobe-japan1 cmap-adobe-japan2 cpp-4.2 cpp-4.5 dhcp3-client dhcp3-common diff fuse-utils gcc-4.2-base gcc-4.5 gcc-4.5-base gir1.2-dee-0.5 gir1.2-launchpad-integration-3.0 glade2script gnome-games-data gnome-games-extra-data gnome-mag gok gs-cjk-resource hal-info hellanzb ibus-pinyin-db-android imapsync iozone3 launchpad-integration libapache2-mod-php5.6 libapache2-mod-php7.1 libapache2-mod-php7.2 libappstream4 libapt-pkg4.11 libarchive1 libargon2-0 libatspi1.0-0 libaudiofile0 libavcodec-extra-53 libavcodec52 libavcodec54 libavdevice-extra-53 libavdevice53 libavformat52 libavformat54 libavresample1 libavutil-extra-51 libavutil50 libavutil52 libboost-date-time1.46.1 libboost-date-time1.54.0 libboost-iostreams1.42.0 libboost-iostreams1.46.1 libboost-program-options1.46.1 libboost-program-options1.54.0 libboost-signals1.46.1 libboost-system1.54.0 libboost-thread1.46.1 libboost-thread1.54.0 libbrlapi0.5 libcamel-1.2-45 libcdio10 libcdio7 libcdr-0.0-0 libcdt4 libcelt0-0 libcloog-ppl0 libcmis-0.4-4 libcolamd2.7.1 libctemplate2 libdb4.6 libdb4.7 libdb4.8 libdconf0 libdee-1.0-1 libdirac-encoder0 libdrm-common libdvbpsi5 libdvbpsi6 libebml0 libebml3 libelfg0 libept1 libexiv2-10 libfaad0 libfreerdp0 libgcr0 libgcrypt11 libgd2-xpm libgdu-gtk0 libgee2 libgexiv2-0 libglamor0 libglew1.5 libglewmx1.5 libgmime-2.4-2 libgmp3c2 libgnome-desktop-2-11 libgnome-desktop-3-7 libgnome-mag2 libgnutls26 libgp11-0 libgraph4 libgssdp-1.0-2 libgupnp-1.0-3 libgupnp-igd-1.0-3 libgvc5 libhal-storage1 libhal1 libical0 libicu44 libicu52 libilmbase6 libindicator3-6 libinput-bin libisl10 libiso9660-5 libiw29 liblaunchpad-integration-3.0-1 liblaunchpad-integration-common liblcms1 libllvm5.0 libllvm6.0 liblzma1 liblzma2 libmagick++3 libmagickcore3 libmagickcore3-extra libmagickwand3 libmatroska0 libmatroska4 libmatroska5 libmbim-glib0 libmng1 libmpc2 libmspub-0.0-0 libnorm1 libnux-1.0-common libopal3.10.2 libopenexr6 libopenjpeg2 libopenvg1-mesa liborcus-0.6-0 libplrpc-perl libpolkit-gtk-1-0 libpoppler44 libpostproc51 libppl-c2 libppl7 libprotobuf8 libproxy0 libpt2.10.2 libpython2.6 libqmi-glib0 librpmio1 librtmp0 libruby1.9.1 libsodium23 libssl1.0.2 libssl1.1 libswscale0 libsystemd-daemon0 libsystemd-journal0 libsystemd-login0 libtasn1-3 libtiff4 libts-0.0-0 libunity6 libvisio-0.0-0 libvolume-id0 libvpx0 libvpx1 libwebp6 libwpd-0.9-9 libwpg-0.2-2 libwps-0.2-2 libwv-1.2-3 libx264-116 libx264-120 libx264-142 libx264-85 libxen3 linux-headers-2.6.31-16 linux-headers-3.13.0-30 linux-headers-3.13.0-30-generic linux-headers-3.2.0-51 linux-headers-3.2.0-51-generic linux-headers-4.4.0-131 linux-headers-4.4.0-131-generic linux-image-2.6.24-19-server linux-image-2.6.27-9-server linux-image-2.6.32-25-server linux-image-2.6.38-13-server linux-image-3.0.0-22-server linux-image-3.13.0-30-generic linux-image-4.2.0-19-generic linux-image-4.4.0-131-generic linux-image-extra-3.13.0-30-generic linux-image-extra-4.2.0-19-generic linux-image-extra-4.4.0-131-generic linux-ubuntu-modules-2.6.24-19-server lsb-core lsb-security mailx mii-diag mingw32 mingw32-binutils mingw32-runtime msntp nautilus-dropbox php5-common php5-json php5.6 php5.6-cli php5.6-common php5.6-json php5.6-mbstring php5.6-mysql php5.6-opcache php5.6-readline php7.1-cli php7.1-common php7.1-gd php7.1-imap php7.1-intl php7.1-json php7.1-ldap php7.1-mbstring php7.1-mcrypt php7.1-opcache php7.1-pspell php7.1-readline php7.1-soap php7.1-xml php7.2-cli php7.2-common php7.2-gd php7.2-imap php7.2-intl php7.2-json php7.2-ldap php7.2-mbstring php7.2-opcache php7.2-pspell php7.2-readline php7.2-soap php7.2-xml python-central python-gnupginterface python-support python2.6 python2.6-minimal rar ruby1.9.1 scponly smartdimmer snap-confine tsconf ubuntu-restricted-addons ubuntu-restricted-extras unrar webmin wkhtmltox xen-docs-3.3
2018-08-11 18:32:33,180 DEBUG updateSourcesList()
2018-08-11 18:32:33,318 DEBUG rewriteSourcesList() with mirror_check
2018-08-11 18:32:33,318 DEBUG ['ubuntu-minimal', 'ubuntu-standard']
2018-08-11 18:32:33,318 DEBUG Checking pkg: ubuntu-minimal
2018-08-11 18:32:33,319 DEBUG BaseMetaPkg 'ubuntu-minimal' has no candidate.origins
2018-08-11 18:32:33,482 DEBUG examining: 'deb http://31.archive.ubuntu.com/ubuntu/ xenial main restricted universe'
2018-08-11 18:32:33,483 DEBUG entry 'deb http://31.archive.ubuntu.com/ubuntu/ bionic main restricted universe' updated to new dist
2018-08-11 18:32:33,483 DEBUG examining: 'deb http://31.archive.ubuntu.com/ubuntu/ xenial-security main restricted universe'
2018-08-11 18:32:33,483 DEBUG entry 'deb http://31.archive.ubuntu.com/ubuntu/ bionic-security main restricted universe' updated to new dist
2018-08-11 18:32:33,484 DEBUG running doUpdate() (showErrors=True)
2018-08-11 18:33:24,418 DEBUG openCache()
2018-08-11 18:33:24,419 DEBUG failed to SystemUnLock() (E:Not locked) 
2018-08-11 18:33:25,231 DEBUG /openCache(), new cache size 90268
2018-08-11 18:33:25,232 DEBUG need_server_mode(): can not find a desktop meta package or key deps, running in server mode
2018-08-11 18:33:27,569 ERROR Dist-upgrade failed: 'E:Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.'
2018-08-11 18:33:27,572 DEBUG abort called
2018-08-11 18:33:27,574 DEBUG openCache()
2018-08-11 18:33:27,574 DEBUG failed to SystemUnLock() (E:Not locked) 
2018-08-11 18:33:30,206 DEBUG /openCache(), new cache size 85731