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

Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/1a57cc21e418406f8eab11d5a487c25f : SUCCESS in 5m 10s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/f22a1be3c5e048d6819972ad0516d9fd : SUCCESS in 8m 49s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/1a54dfe8b3bb42958b6848d3b9edc744 : SUCCESS in 10m 26s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/69002547c427435486520fd1cb842e91 : TIMED_OUT in 40m 56s