Build failed. - build-openstack-sphinx-docs http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/oslo.db/stable/queens/build-openstack-sphinx-docs/870a7e1/ : RETRY_LIMIT in 4m 19s - openstack-tox-py27 http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/oslo.db/stable/queens/openstack-tox-py27/25d973c/ : SUCCESS in 4m 21s