Build failed. - build-openstack-sphinx-docs http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/oslo.serialization/stable/pike/build-openstack-sphinx-docs/62133aa/ : RETRY_LIMIT in 3m 46s - openstack-tox-py27 http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/oslo.serialization/stable/pike/openstack-tox-py27/4c9b5df/ : SUCCESS in 4m 02s