[INFO] cloning repository https://github.com/waarrk/rust_value_iteration
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/waarrk/rust_value_iteration" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwaarrk%2Frust_value_iteration", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwaarrk%2Frust_value_iteration'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 52fcd607cf6022e3625c6b02b4f71dd5f6bf3b39
[INFO] checking waarrk/rust_value_iteration against master#4455c8937007f3cc3c078375a335d86dbab391ce for pr-140956
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwaarrk%2Frust_value_iteration" "/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] fatal: update_ref failed for ref 'HEAD': cannot update ref 'refs/heads/main': couldn't write '/workspace/builds/worker-7-tc1/source/.git/refs/heads/main.lock'


failed to checkout https://github.com/waarrk/rust_value_iteration

Caused by:
    command failed: exit status: 128