package install-info 6.0.0.dfsg.1-3 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Robert Addison]

I was running the upgrade to 15.10

ProblemType: Package
DistroRelease: Ubuntu 15.10
Package: install-info 6.0.0.dfsg.1-3
ProcVersionSignature: Ubuntu 3.19.0-18.18-generic 3.19.6
Uname: Linux 3.19.0-18-generic x86_64
ApportVersion: 2.17.2-0ubuntu1.8
Architecture: amd64
Date: Wed Feb 10 11:36:11 2016
DuplicateSignature: package:install-info:6.0.0.dfsg.1-3:subprocess installed post-installation script returned error exit status 1
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2015-06-01 (253 days ago)
InstallationMedia: Ubuntu-Server 15.04 "Vivid Vervet" - Release amd64 (20150422)
RelatedPackageVersions:
 dpkg 1.18.2ubuntu5.1
 apt 1.0.9.7ubuntu4.2
SourcePackage: texinfo
Title: package install-info 6.0.0.dfsg.1-3 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: Upgraded to wily on 2016-02-10 (0 days ago)

[Launchpad Janitor (janitor)]

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