[INFO] cloning repository https://github.com/joelouthan/nth_fibonacci_ham
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joelouthan/nth_fibonacci_ham" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoelouthan%2Fnth_fibonacci_ham", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoelouthan%2Fnth_fibonacci_ham'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1a4e95f6a29876ebfa4593c4a0b15878872bae8f
[INFO] checking joelouthan/nth_fibonacci_ham against master#d8810e3e2dab96778d20dd6d746ff95465515509 for pr-137045
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoelouthan%2Fnth_fibonacci_ham" "/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] error: unable to write symref for refs/remotes/origin/HEAD: No space left on device
[INFO] [stderr] fatal: unable to update refs/remotes/origin/HEAD


failed to checkout https://github.com/joelouthan/nth_fibonacci_ham

Caused by:
    command failed: exit status: 128