[Openstack-stable-maint] Stable check of openstack/keystone for ref refs/heads/stable/train failed

Build failed. https://zuul.opendev.org/t/openstack/buildset/18b4e53ace014a53ac0a9842a46f18... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/12c0a5a24ad344eba17e1b510aa73329 : SUCCESS in 10m 32s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/e6bb7b34f296493091efe61302c13e65 : SUCCESS in 16m 43s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/7aecfed1feae4079930c7cd08dad02af : TIMED_OUT in 40m 54s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/77400874d35e456bbb8912de1bbb5d27 : SUCCESS in 12m 55s