157feb3..8efbd4b master -> origin/master Checking out 8efbd4bf as master... Skipping Git submodules setup Checking cache for default... time="2020-03-27T16:52:42+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