[INFO] cloning repository https://github.com/henry-merrilees/wgpu-physarum
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/henry-merrilees/wgpu-physarum" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhenry-merrilees%2Fwgpu-physarum", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhenry-merrilees%2Fwgpu-physarum'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 06a815bb180684f525f3347024bc7f0cc271c100
[INFO] checking henry-merrilees/wgpu-physarum against master#f8c27dfe1a2e7fb538fd91dad53de06992c7c967 for pr-138915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhenry-merrilees%2Fwgpu-physarum" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] error: unable to write symref for HEAD: No space left on device
[INFO] [stderr] fatal: unable to update HEAD


failed to checkout https://github.com/henry-merrilees/wgpu-physarum

Caused by:
    command failed: exit status: 128