[INFO] cloning repository https://github.com/nnsgmsone/rust-waitgroup
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nnsgmsone/rust-waitgroup" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnnsgmsone%2Frust-waitgroup", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnnsgmsone%2Frust-waitgroup'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f5266a2e535a044f2345a71350209756e870dec
[INFO] checking nnsgmsone/rust-waitgroup against master#cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9 for pr-136968
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnnsgmsone%2Frust-waitgroup" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] fatal: update_ref failed for ref 'HEAD': cannot update the ref 'HEAD': unable to append to '/workspace/builds/worker-1-tc1/source/.git/logs/HEAD': No space left on device


failed to checkout https://github.com/nnsgmsone/rust-waitgroup

Caused by:
    command failed: exit status: 128