[INFO] cloning repository https://github.com/sam-the-tutor/ICP-Rust-Submission
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sam-the-tutor/ICP-Rust-Submission" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsam-the-tutor%2FICP-Rust-Submission", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsam-the-tutor%2FICP-Rust-Submission'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff9084af06fbea1ff8c0fe8b9f01a62bfcd5185f
[INFO] checking sam-the-tutor/ICP-Rust-Submission against master#96cfc75584359ae7ad11cc45968059f29e7b44b7 for pr-137728
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsam-the-tutor%2FICP-Rust-Submission" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] error: failed to write new configuration file /workspace/builds/worker-7-tc1/source/.git/config.lock
[INFO] [stderr] fatal: could not set 'core.repositoryformatversion' to '0'


failed to checkout https://github.com/sam-the-tutor/ICP-Rust-Submission

Caused by:
    command failed: exit status: 128