[INFO] cloning repository https://github.com/wangtsiao/halo2-study
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wangtsiao/halo2-study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwangtsiao%2Fhalo2-study", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwangtsiao%2Fhalo2-study'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9129e53aea322223270cb7ffeae3578f7bbe3df9
[INFO] checking wangtsiao/halo2-study against master#092a284ba0421695f2032c947765429fd7095796 for pr-139763
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwangtsiao%2Fhalo2-study" "/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] error: unable to write file Cargo.lock
[INFO] [stderr] error: unable to write file Cargo.toml
[INFO] [stderr] error: unable to write file src/fibonacci/example4.rs
[INFO] [stderr] error: unable to write file src/is_zero.rs
[INFO] [stderr] error: unable to write file src/lib.rs
[INFO] [stderr] error: unable to write file src/merkle_tree.rs
[INFO] [stderr] fatal: cannot create directory at 'src/merkle_tree': No space left on device
[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] 


failed to checkout https://github.com/wangtsiao/halo2-study

Caused by:
    command failed: exit status: 128