[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/736db09/ : SUCCESS in 3m 50s - periodic-heat-python26-juno http://logs.openstack.org/periodic-stable/periodic-heat-python26-juno/8ee533... : SUCCESS in 4m 12s - periodic-heat-python27-juno http://logs.openstack.org/periodic-stable/periodic-heat-python27-juno/77f34f... : SUCCESS in 4m 49s - periodic-heat-docs-kilo http://logs.openstack.org/periodic-stable/periodic-heat-docs-kilo/9345d5c/ : SUCCESS in 3m 43s - periodic-heat-python27-kilo http://logs.openstack.org/periodic-stable/periodic-heat-python27-kilo/6c0c67... : FAILURE in 40m 12s