[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/c0ad4395fb824491a448124685cd91b7 : SUCCESS in 5m 29s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/4084641cc33149e78074b48233e40545 : SUCCESS in 9m 11s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d58f2094fdb04bd49b02910ba03c77b8 : SUCCESS in 8m 54s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/714fa2a9aaff4895b9f3602ddc50a3a0 : FAILURE in 9m 08s