[JENKINS-22916] build on SCM change doesn't work

Type: Bug
Resolution: Won't Fix
Priority: Major
Component/s: build-environment-plugin
Labels:
- SCM
- build
- trigger
Environment:
Ubuntu 10.04.4 amd64 server, OpenJDK 1.6.0_31, mercurial, ssh keys

some our jobs on build server are configure to 'Poll SCM' every 5 minutes. After upgrade from version 1.534 to 1.561 build on SCM change stop works.

Jenkins