[Openstack-stable-maint] Stable check of openstack/heat failed

Build failed. - periodic-heat-docs-juno http://logs.openstack.org/periodic-stable/periodic-heat-docs-juno/3077fa5/ : SUCCESS in 3m 26s - periodic-heat-python26-juno http://logs.openstack.org/periodic-stable/periodic-heat-python26-juno/dd44e1... : SUCCESS in 4m 31s - periodic-heat-python27-juno http://logs.openstack.org/periodic-stable/periodic-heat-python27-juno/2a0807... : SUCCESS in 5m 16s - periodic-heat-docs-kilo http://logs.openstack.org/periodic-stable/periodic-heat-docs-kilo/1f425d9/ : SUCCESS in 3m 08s - periodic-heat-python27-kilo http://logs.openstack.org/periodic-stable/periodic-heat-python27-kilo/7a6626... : FAILURE in 6m 39s