Build failed. - build-openstack-sphinx-docs http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/oslo.log/stable/queens/build-openstack-sphinx-docs/9720a7d/ : RETRY_LIMIT in 3m 35s - openstack-tox-py27 http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/oslo.log/stable/queens/openstack-tox-py27/4d6d0fb/ : SUCCESS in 4m 41s