package console-log 1.2-1 failed to install: subprocess installed post-installation script returned error exit status 1

[Ansgar Bohmann]

I tried to install console-log on a rather fresh installation of Xubuntu 15.04 Vivid Vervet on a Lenovo T410 laptop computer. (With Trusty and previous, console-log had been working fine.) Maybe console-log is just not compatible with systemd now? Synaptic exits with (I'm sorry this is not the first try, so maybe it's not quite the same as what happens on a fresh installation):

E: console-log: subprocess installed post-installation script returned error exit status 1
…
Errors were encountered while processing:
 console-log
E: Sub-process /usr/bin/dpkg returned an error code (1)
A package failed to install. Trying to recover:
Setting up console-log (1.2-1) ...
Adding system user
Warning: The home dir /nonexistent you specified can't be accessed: No such file or directory
The system user `Debian-console-log' already exists. Exiting.
The user `Debian-console-log' is already a member of `adm'.
Job for console-log.service failed. See "systemctl status console-log.service" and "journalctl -xe" for details.
invoke-rc.d: initscript console-log, action "start" failed.
dpkg: error processing package console-log (--configure):
 subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
 console-log

Checking this gives:

$ systemctl status console-log.service
● console-log.service - LSB: Puts a logfile pager on virtual consoles
   Loaded: loaded (/etc/init.d/console-log)
   Active: failed (Result: exit-code) since Di 2015-05-12 00:27:39 CEST; 3min 0s ago
     Docs: man:systemd-sysv-generator(8)
  Process: 25825 ExecStart=/etc/init.d/console-log start (code=exited, status=1/FAILURE)

Mai 12 00:27:39 ---- su[25835]: Successful su for Debian-console-log by root
Mai 12 00:27:39 ---- su[25835]: + ??? root:Debian-console-log
Mai 12 00:27:39 ---- su[25835]: pam_unix(su:session): session opened for user Debian-console-log by (uid=0)
Mai 12 00:27:39 ---- console-log[25825]: /etc/init.d/console-log: xmalloc: .././execute_cmd.c:4221: cannot allocate 176 bytes (557056 bytes allocated)
Mai 12 00:27:39 ---- console-log[25825]: * E: openvt failed. headless system?...
Mai 12 00:27:39 ---- console-log[25825]: ...fail!
Mai 12 00:27:39 ---- systemd[1]: console-log.service: control process exited, code=exited status=1
Mai 12 00:27:39 ---- systemd[1]: Failed to start LSB: Puts a logfile pager on virtual consoles.
Mai 12 00:27:39 ---- systemd[1]: Unit console-log.service entered failed state.
Mai 12 00:27:39 ---- systemd[1]: console-log.service failed.
$

ProblemType: Package
DistroRelease: Ubuntu 15.04
Package: console-log 1.2-1
ProcVersionSignature: Ubuntu 3.19.0-16.16-generic 3.19.3
Uname: Linux 3.19.0-16-generic x86_64
ApportVersion: 2.17.2-0ubuntu1
AptOrdering:
 daemon: Install
 console-log: Install
 daemon: Configure
 console-log: Configure
 NULL: ConfigurePending
Architecture: amd64
Date: Tue May 12 00:27:37 2015
DuplicateSignature: package:console-log:1.2-1:subprocess installed post-installation script returned error exit status 1
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2015-05-09 (2 days ago)
InstallationMedia: Xubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422.1)
PackageArchitecture: all
RelatedPackageVersions:
 dpkg 1.17.25ubuntu1
 apt 1.0.9.7ubuntu4
SourcePackage: console-log
Title: package console-log 1.2-1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.