Running with gitlab-runner 12.0.2 (d0b76032)
  on emba-docker-runner 2oEDrUT7
section_start:1703333303:prepare_executor
Using Docker executor with image docker:19.03.12 ...
Pulling docker image docker:19.03.12 ...
Using docker image sha256:81f5749c9058a7284e6acd8e126f2b882765a17b9ead14422b51cde1a110b85c for docker:19.03.12 ...
section_end:1703333314:prepare_executor
section_start:1703333314:prepare_script
Running on runner-2oEDrUT7-project-1-concurrent-1 via emba.gnu.org...
section_end:1703333318:prepare_script
section_start:1703333318:get_sources
$ git config --global http.proxy $HTTP_PROXY; git config --global https.proxy $HTTPS_PROXY
Fetching changes with git depth set to 50...
Initialized empty Git repository in /builds/emacs/emacs/.git/
Created fresh repository.
remote: GitLab is not responding
fatal: unable to access 'https://gitlab-ci-token:[MASKED]@emba.gnu.org/emacs/emacs.git/': The requested URL returned error: 502
section_end:1703333622:get_sources
section_start:1703333622:upload_artifacts_on_failure
section_end:1703333626:upload_artifacts_on_failure
ERROR: Job failed: exit code 1