It occurs to me that the CI tests for mathoid are broken.
Jenkins complains about permission problems
The puppet admin module enforce group memberships but the unix user jenkins-slave is not managed by it. Hence, the user get removed from the docker unix group:
Notice: /Stage[main]/Profile::Ci::Docker/Exec[jenkins user docker membership]/returns: executed successfully Notice: /Stage[main]/Admin/Admin::Groupmembers[contint-docker]/Exec[docker_ensure_members]/returns: executed successfully