242fb63..f6ce5d1 master -> origin/master Checking out f6ce5d1f as master... Skipping Git submodules setup Checking cache for default... time="2020-03-27T18:00:34+08:00" level=error msg="Docker executor: prebuilt image helpers will be loaded from /var/lib/gitlab-runner." Successfully extracted cache $ rustc --version bash: line 78: rustc: command not found ERROR: Job failed: exit status 1