[INFO] cloning repository https://github.com/sunhuachuang/sun-learning-zkp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sunhuachuang/sun-learning-zkp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunhuachuang%2Fsun-learning-zkp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunhuachuang%2Fsun-learning-zkp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8aa3d520481df376ef4ae1efd273e4612aa7e6d3
[INFO] checking sunhuachuang/sun-learning-zkp against master#f2d69d5a7c04617d122facd0a7a5bdde0af928ae for pr-138363
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunhuachuang%2Fsun-learning-zkp" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] error: Unable to create '/workspace/builds/worker-7-tc1/source/.git/refs/remotes/origin/HEAD.lock': No such file or directory
[INFO] [stderr] fatal: unable to update refs/remotes/origin/HEAD


failed to checkout https://github.com/sunhuachuang/sun-learning-zkp

Caused by:
    command failed: exit status: 128