[INFO] cloning repository https://github.com/weichweich/substrate-storage-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/weichweich/substrate-storage-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweichweich%2Fsubstrate-storage-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweichweich%2Fsubstrate-storage-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d84850ab9258464040e64689afa9225a2d8e07a
[INFO] checking weichweich/substrate-storage-playground against master#d8810e3e2dab96778d20dd6d746ff95465515509 for pr-137045
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweichweich%2Fsubstrate-storage-playground" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-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/weichweich/substrate-storage-playground

Caused by:
    command failed: exit status: 128