[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/1685434/ : SUCCESS in 3m 00s - periodic-heat-python26-juno http://logs.openstack.org/periodic-stable/periodic-heat-python26-juno/8ed750... : SUCCESS in 6m 12s - periodic-heat-python27-juno http://logs.openstack.org/periodic-stable/periodic-heat-python27-juno/edcd02... : SUCCESS in 4m 25s - periodic-heat-docs-kilo http://logs.openstack.org/periodic-stable/periodic-heat-docs-kilo/18592a5/ : SUCCESS in 3m 26s - periodic-heat-python27-kilo http://logs.openstack.org/periodic-stable/periodic-heat-python27-kilo/63edd4... : FAILURE in 5m 51s