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

Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/5cc1f5d2d0924cfcac4b3a1671fb6cc8 : SUCCESS in 4m 58s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/d65599e3a2b54d559430ea37d5f1eb77 : SUCCESS in 15m 16s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/bdcecfc1473046aeb91fa511fa9b5feb : SUCCESS in 9m 23s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/44868774666a4a8dac7c0d3663d1f335 : FAILURE in 11m 14s