[INFO] cloning repository https://github.com/austinsonger/rust-build-optimizer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/austinsonger/rust-build-optimizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faustinsonger%2Frust-build-optimizer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faustinsonger%2Frust-build-optimizer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 45257a8fedb05f050b25083b2f65ead4fd8a3d2a
[INFO] checking austinsonger/rust-build-optimizer against try#2b43d8e161cfe46fae25518efb124c3c1d0fa392 for pr-145604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faustinsonger%2Frust-build-optimizer" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] fatal: could not create work tree dir '/workspace/builds/worker-0-tc2/source': No space left on device
[INFO] checking austinsonger/rust-build-optimizer against try#2b43d8e161cfe46fae25518efb124c3c1d0fa392 for pr-145604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faustinsonger%2Frust-build-optimizer" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] fatal: sha1 file '/workspace/builds/worker-0-tc2/source/.git/index.lock' write error. Out of diskspace
[INFO] [stderr] warning: Clone succeeded, but checkout failed.
[INFO] [stderr] You can inspect what was checked out with 'git status'
[INFO] [stderr] and retry with 'git restore --source=HEAD :/'
[INFO] [stderr] 
[INFO] checking austinsonger/rust-build-optimizer against try#2b43d8e161cfe46fae25518efb124c3c1d0fa392 for pr-145604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faustinsonger%2Frust-build-optimizer" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] error: unable to write symref for HEAD: No space left on device
[INFO] checking austinsonger/rust-build-optimizer against try#2b43d8e161cfe46fae25518efb124c3c1d0fa392 for pr-145604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faustinsonger%2Frust-build-optimizer" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] /workspace/builds/worker-0-tc2/source/.git/refs/tags: No space left on device
[INFO] checking austinsonger/rust-build-optimizer against try#2b43d8e161cfe46fae25518efb124c3c1d0fa392 for pr-145604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faustinsonger%2Frust-build-optimizer" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] fatal: could not create work tree dir '/workspace/builds/worker-0-tc2/source': No space left on device


failed to checkout https://github.com/austinsonger/rust-build-optimizer

Caused by:
    command failed: exit status: 128