not upgrading to 15.10

[haivri]

I haven't been able to upgrade from 14.04 to 15.04.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: ubuntu-release-upgrader-core 1:0.220.8
ProcVersionSignature: Ubuntu 3.13.0-92.139-generic 3.13.11-ckt39
Uname: Linux 3.13.0-92-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.21
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: Unity
Date: Wed Jul 13 10:00:10 2016
InstallationDate: Installed on 2013-10-03 (1013 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to trusty on 2016-07-13 (0 days ago)
VarLogDistupgradeTermlog:

mtime.conffile..etc.update.manager.release.upgrades: 2016-07-09T22:44:11.270475

[madbiologist (me-again)]

Ubuntu 15.04 "Vivid Vervet" reached end of life on February 4, 2016. You will need to update to a later version. See https://wiki.ubuntu.com/Releases for further details.