package runit 2.1.1-6.2ubuntu3 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

apt-get install git-all gave me this error.

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: runit 2.1.1-6.2ubuntu3
ProcVersionSignature: Ubuntu 3.16.0-30.40~14.04.1-generic 3.16.7-ckt3
Uname: Linux 3.16.0-30-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.14.1-0ubuntu3.21
Architecture: amd64
Date: Wed Aug 31 14:52:10 2016
DuplicateSignature: package:runit:2.1.1-6.2ubuntu3:subprocess installed post-installation script returned error exit status 1
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2016-08-26 (5 days ago)
InstallationMedia: Ubuntu-Server 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
RelatedPackageVersions:
 dpkg 1.17.5ubuntu5.7
 apt 1.0.1ubuntu2.14
SourcePackage: runit
Title: package runit 2.1.1-6.2ubuntu3 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)