[INFO] cloning repository https://github.com/fischer36/implicit-returns
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fischer36/implicit-returns" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffischer36%2Fimplicit-returns", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffischer36%2Fimplicit-returns'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffischer36%2Fimplicit-returns: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/fischer36/implicit-returns
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fischer36/implicit-returns" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffischer36%2Fimplicit-returns", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffischer36%2Fimplicit-returns'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2426da9466b5fd855ff74c109642f07e3101b744
[INFO] checking fischer36/implicit-returns against master#75530e9f72a1990ed2305e16fd51d02f47048f12 for pr-135899
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffischer36%2Fimplicit-returns" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] fatal: update_ref failed for ref 'HEAD': cannot update ref 'refs/heads/main': couldn't write '/workspace/builds/worker-4-tc1/source/.git/refs/heads/main.lock'


failed to checkout https://github.com/fischer36/implicit-returns

Caused by:
    command failed: exit status: 128