599c930..bec789d master -> origin/master Checking out bec789da as master... Skipping Git submodules setup Checking cache for default... time="2020-07-04T23:43:01+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 80: rustc: command not found ERROR: Job failed: exit status 1