Build failed. - build-openstack-sphinx-docs http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/castellan/stable/pike/build-openstack-sphinx-docs/1d718f3/ : RETRY_LIMIT in 3m 22s - openstack-tox-py27 http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/castellan/stable/pike/openstack-tox-py27/83d8652/ : SUCCESS in 5m 31s