[INFO] cloning repository https://github.com/ripquan/ds210-final
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ripquan/ds210-final" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fripquan%2Fds210-final", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fripquan%2Fds210-final'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a3f89dfc5bb1a6a38a9254dd09a2eef0dabd25c1
[INFO] checking ripquan/ds210-final against master#db0e836148accac8a22532e3596ac612b63c2d8e for pr-139272
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fripquan%2Fds210-final" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] error: unable to write symref for HEAD: No space left on device


failed to checkout https://github.com/ripquan/ds210-final

Caused by:
    command failed: exit status: 1