[INFO] cloning repository https://github.com/timtakcs/tinysound
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/timtakcs/tinysound" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimtakcs%2Ftinysound", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimtakcs%2Ftinysound'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff910b8d732256b522791a6c6acdc1271d9ccf8e
[INFO] checking timtakcs/tinysound against master#cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9 for pr-136968
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimtakcs%2Ftinysound" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] fatal: update_ref failed for ref 'HEAD': cannot update the ref 'refs/heads/master': unable to create directory for '/workspace/builds/worker-4-tc1/source/.git/logs/refs/heads/master': No such file or directory


failed to checkout https://github.com/timtakcs/tinysound

Caused by:
    command failed: exit status: 128