[INFO] cloning repository https://github.com/hiweibolu/raytracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hiweibolu/raytracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiweibolu%2Fraytracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiweibolu%2Fraytracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa5cd4b5e689f331bead1671e62506b0427d03cd
[INFO] checking hiweibolu/raytracer against master#96cfc75584359ae7ad11cc45968059f29e7b44b7 for pr-137728
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiweibolu%2Fraytracer" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] /workspace/builds/worker-6-tc1/source/.git/branches/: No space left on device


failed to checkout https://github.com/hiweibolu/raytracer

Caused by:
    command failed: exit status: 1