[INFO] cloning repository https://github.com/scjudd/advent-of-code-2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scjudd/advent-of-code-2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscjudd%2Fadvent-of-code-2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscjudd%2Fadvent-of-code-2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28ca2ce5bec27938ad6acf6b189c7b51f373ef08
[INFO] checking scjudd/advent-of-code-2018 against master#9f48dedc9763334a587c66558974635807a113ed for pr-137394
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscjudd%2Fadvent-of-code-2018" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] fatal: update_ref failed for ref 'HEAD': cannot update the ref 'refs/heads/master': unable to append to '/workspace/builds/worker-2-tc1/source/.git/logs/refs/heads/master': No space left on device


failed to checkout https://github.com/scjudd/advent-of-code-2018

Caused by:
    command failed: exit status: 128