[INFO] cloning repository https://github.com/wikimedia/labs-tools-logo-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wikimedia/labs-tools-logo-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwikimedia%2Flabs-tools-logo-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwikimedia%2Flabs-tools-logo-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e2111e63c7ef48a26082be79929bb28c8f62d878
[INFO] checking wikimedia/labs-tools-logo-test against master#d2eadb7a94ef8c9deb5137695df33cd1fc5aee92 for pr-137268
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwikimedia%2Flabs-tools-logo-test" "/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] fatal: update_ref failed for ref 'HEAD': cannot update the ref 'refs/heads/master': unable to append to '/workspace/builds/worker-6-tc1/source/.git/logs/refs/heads/master': No space left on device


failed to checkout https://github.com/wikimedia/labs-tools-logo-test

Caused by:
    command failed: exit status: 128