Build failed. - build-openstack-sphinx-docs http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/castellan/stable/pike/build-openstack-sphinx-docs/4614d54/ : RETRY_LIMIT in 3m 42s - openstack-tox-py27 http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/castellan/stable/pike/openstack-tox-py27/06918b4/ : SUCCESS in 6m 16s