bc3a4f1..54b61a3 master -> origin/master Checking out 54b61a30 as master... Skipping Git submodules setup Checking cache for default... time="2020-03-28T15:31:54+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