[INFO] cloning repository https://github.com/Takahiro800/Tour_of_Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Takahiro800/Tour_of_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTakahiro800%2FTour_of_Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTakahiro800%2FTour_of_Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] df0b8728bc7c0ce9700864155d9c24fa20f00c4d
[ERROR] this task or one of its parent failed!
[ERROR] No space left on device (os error 28)
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.