[INFO] cloning repository https://github.com/ssousa97/conways-game-life
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ssousa97/conways-game-life" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fssousa97%2Fconways-game-life", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fssousa97%2Fconways-game-life'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0f4450eadd19d7e541c587e0f0621f4c6e541d71
[INFO] checking ssousa97/conways-game-life against master#4b596bbd847672da87763b76171687d3544863c2 for pr-144544
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fssousa97%2Fconways-game-life" "/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 the ref 'refs/heads/master': unable to create directory for '/workspace/builds/worker-5-tc1/source/.git/logs/refs/heads/master': No such file or directory


failed to checkout https://github.com/ssousa97/conways-game-life

Caused by:
    command failed: exit status: 128