[INFO] cloning repository https://github.com/praffn/rusty-rays
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/praffn/rusty-rays" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpraffn%2Frusty-rays", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpraffn%2Frusty-rays'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c5cb8558434345b23e6eb2002c58495c7862698
[INFO] checking praffn/rusty-rays against master#69fd5e4059f8840f09f60269bcda23dcdcb77151 for pr-135733
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpraffn%2Frusty-rays" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-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-1-tc1/source/.git/logs/refs/heads/master': No space left on device


failed to checkout https://github.com/praffn/rusty-rays

Caused by:
    command failed: exit status: 128