Insecure directory in $ENV{PATH} while running with -T switch at /usr/bin/pg_dropcluster line 66.

[Vishal Chandak]

The postmaster won't start

ProblemType: Package
DistroRelease: Ubuntu 15.04
Package: postgresql-9.4 9.4.3-0ubuntu0.15.04
ProcVersionSignature: Ubuntu 3.19.0-21.21-generic 3.19.8
Uname: Linux 3.19.0-21-generic x86_64
ApportVersion: 2.17.2-0ubuntu1.1
Architecture: amd64
Date: Wed Jun 17 08:46:15 2015
DuplicateSignature: package:postgresql-9.4:9.4.3-0ubuntu0.15.04:subprocess installed post-removal script returned error exit status 2
ErrorMessage: subprocess installed post-removal script returned error exit status 2
InstallationDate: Installed on 2015-02-19 (117 days ago)
InstallationMedia: It
RelatedPackageVersions:
 dpkg 1.17.25ubuntu1
 apt 1.0.9.7ubuntu4.1
SourcePackage: postgresql-9.4
Title: package postgresql-9.4 9.4.3-0ubuntu0.15.04 failed to install/upgrade: subprocess installed post-removal script returned error exit status 2
UpgradeStatus: Upgraded to vivid on 2015-04-26 (51 days ago)