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

Build failed. https://zuul.opendev.org/t/openstack/buildset/ab02ab51bb3047799887b44d5c4e6a... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e7f2f471267d490dba675b2a47c16ee3 : SUCCESS in 8m 21s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/8fa31406930c447b86caee531227268a : SUCCESS in 11m 48s - openstack-tox-py38 https://zuul.opendev.org/t/openstack/build/2397ce8c1bcd42a586cbcbd0e6c624af : POST_FAILURE in 11m 28s