[INFO] cloning repository https://github.com/rust-adventure/lets-code-cli-config
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-adventure/lets-code-cli-config" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-adventure%2Flets-code-cli-config", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-adventure%2Flets-code-cli-config'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d6829a1aca7e651759847c9cb913405703edeb1
[INFO] checking rust-adventure/lets-code-cli-config against master#9f48dedc9763334a587c66558974635807a113ed for pr-137394
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-adventure%2Flets-code-cli-config" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-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/rust-adventure/lets-code-cli-config

Caused by:
    command failed: exit status: 128