[INFO] cloning repository https://github.com/zackmdavis/message_length
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zackmdavis/message_length" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzackmdavis%2Fmessage_length", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzackmdavis%2Fmessage_length'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzackmdavis%2Fmessage_length: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/zackmdavis/message_length
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zackmdavis/message_length" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzackmdavis%2Fmessage_length", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzackmdavis%2Fmessage_length'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6065fcc44288ec883c19767462cc076f1151183c
[INFO] checking zackmdavis/message_length against master#5337252b9952fdd9482ed6a4add17254e5bd2c40 for pr-138785
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzackmdavis%2Fmessage_length" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] fatal: update_ref failed for ref 'HEAD': cannot update the ref 'refs/heads/master': unable to create directory for '/workspace/builds/worker-3-tc1/source/.git/logs/refs/heads/master': No such file or directory


failed to checkout https://github.com/zackmdavis/message_length

Caused by:
    command failed: exit status: 128