[INFO] cloning repository https://github.com/oleynik/exercism-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oleynik/exercism-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foleynik%2Fexercism-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foleynik%2Fexercism-rust'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foleynik%2Fexercism-rust/objects/info: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/oleynik/exercism-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oleynik/exercism-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foleynik%2Fexercism-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foleynik%2Fexercism-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0219c4b450f966c2b4a4f0ff10e48ddacc59f76b
[INFO] checking oleynik/exercism-rust against master#96cfc75584359ae7ad11cc45968059f29e7b44b7 for pr-137728
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foleynik%2Fexercism-rust" "/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] fatal: update_ref failed for ref 'HEAD': cannot update the ref 'refs/heads/master': unable to append to '/workspace/builds/worker-0-tc1/source/.git/logs/refs/heads/master': No space left on device


failed to checkout https://github.com/oleynik/exercism-rust

Caused by:
    command failed: exit status: 128