Build failed. - build-openstack-sphinx-docs http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/oslo.serialization/stable/rocky/build-openstack-sphinx-docs/96c1604/html/ : SUCCESS in 4m 15s - openstack-tox-py27 http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/oslo.serialization/stable/rocky/openstack-tox-py27/f48fcd5/ : FAILURE in 5m 06s