2017-10-16 13:13:53.853275 | primary | TASK [build-test-packages : Clone the gated change] ****************************
2017-10-16 13:13:53.853447 | primary | task path: /home/zuul/workspace/.quickstart/usr/local/share/ansible/roles/build-test-packages/tasks/dlrn-build.yml:58
2017-10-16 13:13:53.887198 | primary | Monday 16 October 2017 13:13:53 +0000 (0:00:00.600) 0:03:37.807 ********
2017-10-16 13:13:55.421980 | primary | fatal: [undercloud]: FAILED! => {"changed": false, "cmd": "/usr/bin/git fetch origin refs/changes/4942/494213/7", "failed": true, "msg": "fatal: Couldn't find remote ref refs/changes/4942/494213/7\nUnexpected end of command stream", "rc": 128, "stderr": "fatal: Couldn't find remote ref refs/changes/4942/494213/7\nUnexpected end of command stream\n", "stdout": "", "stdout_lines": []}
http://logs.openstack.org/70/512270/2/check/legacy-tripleo-ci-centos-7-scenario004-multinode-oooq-puppet/489ea04/job-output.txt.gz#_2017-10-16_14_09_08_586866
http://logs.openstack.org/13/494213/7/check/legacy-tripleo-ci-centos-7-scenario004-multinode-oooq-puppet/0d11a1c/job-output.txt.gz#_2017-10-16_13_13_55_421980
This was eventually resolved when the repository was properly created.