[INFO] cloning repository https://github.com/schwa/tree-snapshot-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/schwa/tree-snapshot-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschwa%2Ftree-snapshot-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschwa%2Ftree-snapshot-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7fe490e4e8b5053cf9e58045f460416269ccbf5f
[INFO] checking schwa/tree-snapshot-rs against master#f2d69d5a7c04617d122facd0a7a5bdde0af928ae for pr-138363
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschwa%2Ftree-snapshot-rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] error: unable to write symref for HEAD: No space left on device


failed to checkout https://github.com/schwa/tree-snapshot-rs

Caused by:
    command failed: exit status: 1