[INFO] cloning repository https://github.com/sshtmc/wt_cache
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sshtmc/wt_cache" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsshtmc%2Fwt_cache", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsshtmc%2Fwt_cache'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ee397494bb74879696cb6036f912a9cd5c916bff
[INFO] checking sshtmc/wt_cache against master#419b3e2d3e350822550eee0e82eeded4d324d584 for pr-135536
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsshtmc%2Fwt_cache" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-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-5-tc1/source/.git/refs/heads/main.lock'


failed to checkout https://github.com/sshtmc/wt_cache

Caused by:
    command failed: exit status: 128