[INFO] cloning repository https://github.com/joinemm/ryubot-web
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joinemm/ryubot-web" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoinemm%2Fryubot-web", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoinemm%2Fryubot-web'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 26045dea04d1526b64349dbc77a57c5aac8c5c6f
[INFO] checking joinemm/ryubot-web against master#9748d87dc70a9a6725c5dbd76ce29d04752b4f90 for pr-144156
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoinemm%2Fryubot-web" "/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/joinemm/ryubot-web

Caused by:
    command failed: exit status: 128