3c86300..6435434 master -> origin/master Checking out 64354344 as master... Skipping Git submodules setup Checking cache for default... time="2020-04-18T23:09:23+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