Build failed. - build-openstack-sphinx-docs http://logs.openstack.org/periodic-stable/opendev.org/openstack/nova/stable/rocky/build-openstack-sphinx-docs/2f629e3/ : POST_FAILURE in 10m 10s - openstack-tox-py27 http://logs.openstack.org/periodic-stable/opendev.org/openstack/nova/stable/rocky/openstack-tox-py27/2a159c5/ : SUCCESS in 18m 20s