Build failed. - build-openstack-sphinx-docs http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/oslo.serialization/stable/pike/build-openstack-sphinx-docs/03fc977/ : RETRY_LIMIT in 3m 16s - openstack-tox-py27 http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/oslo.serialization/stable/pike/openstack-tox-py27/03d5551/ : SUCCESS in 4m 22s