[INFO] cloning repository https://github.com/ecashin/tokio-spmc-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ecashin/tokio-spmc-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fecashin%2Ftokio-spmc-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fecashin%2Ftokio-spmc-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f0a614d9366d82144eaa23f1f3bae13cc440b7f
[INFO] checking ecashin/tokio-spmc-demo against master#d14d202262d13df896b0c624b0cec6e4bfde631a for pr-143028
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fecashin%2Ftokio-spmc-demo" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-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-1-tc1/source/.git/refs/heads/main.lock'


failed to checkout https://github.com/ecashin/tokio-spmc-demo

Caused by:
    command failed: exit status: 128