[Openstack-stable-maint] Stable check of openstack/oslo.metrics for ref refs/heads/stable/xena failed

Build failed. https://zuul.opendev.org/t/openstack/buildset/dc56b92316864bcdbbe47fd2f322ae... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/5f753543ffc048a1b761d5c865de6394 : TIMED_OUT in 31m 04s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/186d3effee754ad0927501fe2cd832e9 : SUCCESS in 2m 39s - openstack-tox-py38 https://zuul.opendev.org/t/openstack/build/00a3581289f54753962de25573699b5b : TIMED_OUT in 40m 53s