[INFO] cloning repository https://github.com/melodycatt/prequen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/melodycatt/prequen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmelodycatt%2Fprequen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmelodycatt%2Fprequen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3f6c6cfe1bbe84c380a054d32e70b6c71aa6458c
[INFO] checking melodycatt/prequen against master#d8810e3e2dab96778d20dd6d746ff95465515509 for pr-137045
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmelodycatt%2Fprequen" "/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 ref 'refs/heads/main': couldn't write '/workspace/builds/worker-3-tc1/source/.git/refs/heads/main.lock'


failed to checkout https://github.com/melodycatt/prequen

Caused by:
    command failed: exit status: 128