Build failed. - build-openstack-sphinx-docs http://logs.openstack.org/periodic-stable/opendev.org/openstack/oslo.db/stable/queens/build-openstack-sphinx-docs/d59a6c5/html/ : SUCCESS in 3m 10s - openstack-tox-py27 http://logs.openstack.org/periodic-stable/opendev.org/openstack/oslo.db/stable/queens/openstack-tox-py27/b1640bd/ : RETRY_LIMIT in 2m 10s