Delorean build package failed

Description
===========

Delorean build package failed.

Expected Results
================
- It should build the package

Actual Results
==============

CI Job name: tripleo-ci-centos8-standalone

TASK [build-test-packages : Run DLRN] ******************************************
Friday 17 April 2020 05:01:04 +0000 (0:00:00.060) 0:06:09.146 **********
fatal: [undercloud]: FAILED! => {
    "changed": true,
    "cmd": "set +e; source /home/zuul/dlrn-venv/bin/activate; while true; do\n dlrn --config-file projects.ini --head-only --package-name validations-common --local --info-repo rdoinfo --dev;\n if [ $? -eq 0 ]; then\n # SUCCESS\n break;\n elif [ $? -eq 1 ]; then\n # FAILED\n exit 1;\n elif [ $? -eq 2 ]; then\n # RETRY\n continue;\n fi;\n # Unexpected DLRN return code\n exit $?;\ndone;\n",
    "delta": "0:03:56.064903",
    "end": "2020-04-17 05:05:01.484355",
    "rc": 1,
    "start": "2020-04-17 05:01:05.419452"
}

STDERR:

2020-04-17 05:01:06,111 INFO:dlrn:Using file /tmp/tmp09v5y47m for temporary db
2020-04-17 05:01:08,579 INFO:dlrn-repositories:Getting https://github.com/rdo-packages/validations-common-distgit.git to ./data/validations-common_distro (rpm-master)
2020-04-17 05:01:09,190 INFO:dlrn-repositories:Getting https://git.openstack.org/openstack/validations-common to ./data/validations-common (master)
2020-04-17 05:01:09,352 INFO:dlrn-build:Processing validations-common 0f883090916cf84309dddb1cdf6dd51265e36a0a for component tripleo
2020-04-17 05:04:58,035 ERROR:dlrn-build:Build failed. See logs at: /home/zuul/DLRN/data/repos/component/tripleo/0f/88/0f883090916cf84309dddb1cdf6dd51265e36a0a_dev/
2020-04-17 05:04:58,053 INFO:dlrn:Received exception Error in build_rpm_wrapper for validations-common:

  RAN: /usr/bin/env /usr/bin/mock -v -r /home/zuul/DLRN/data/dlrn-1.cfg --resultdir /home/zuul/DLRN/data/repos/component/tripleo/0f/88/0f883090916cf84309dddb1cdf6dd51265e36a0a_dev --rebuild /home/zuul/DLRN/data/repos/component/tripleo/0f/88/0f883090916cf84309dddb1cdf6dd51265e36a0a_dev/validations-common-0.0.1-0.20200417050330.0f88309.el8.src.rpm

  STDOUT:

  STDERR:

2020-04-17 05:04:58,061 ERROR:dlrn:Received exception Error in build_rpm_wrapper for validations-common:

  RAN: /usr/bin/env /usr/bin/mock -v -r /home/zuul/DLRN/data/dlrn-1.cfg --resultdir /home/zuul/DLRN/data/repos/component/tripleo/0f/88/0f883090916cf84309dddb1cdf6dd51265e36a0a_dev --rebuild /home/zuul/DLRN/data/repos/component/tripleo/0f/88/0f883090916cf84309dddb1cdf6dd51265e36a0a_dev/validations-common-0.0.1-0.20200417050330.0f88309.el8.src.rpm

  STDOUT:

  STDERR:

2020-04-17 05:04:58,079 INFO:dlrn-notifications:Skipping notify email to ['<email address hidden>', '<email address hidden>', '<email address hidden>']

MSG:

non-zero return code

PLAY RECAP *********************************************************************
undercloud : ok=69 changed=29 unreachable=0 failed=1 skipped=62 rescued=0 ignored=0