[INFO] cloning repository https://github.com/marcinjahn/minigrep [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marcinjahn/minigrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcinjahn%2Fminigrep", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcinjahn%2Fminigrep'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8431bd11bba4b801631b36b28e8a39fe857d2f00 [INFO] checking marcinjahn/minigrep against master#cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3 for pr-135841 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcinjahn%2Fminigrep" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] [stderr] error: Unable to create '/workspace/builds/worker-0-tc1/source/.git/refs/remotes/origin/HEAD.lock': No such file or directory [INFO] [stderr] fatal: unable to update refs/remotes/origin/HEAD failed to checkout https://github.com/marcinjahn/minigrep Caused by: command failed: exit status: 128