[INFO] cloning repository https://github.com/jarinosuke/rust-programming-introduction [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jarinosuke/rust-programming-introduction" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjarinosuke%2Frust-programming-introduction", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjarinosuke%2Frust-programming-introduction'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1fd67044d5776b402c5b423c77f5fa34c6d310e5 [ERROR] this task or one of its parent failed! [ERROR] overridden task result to broken:cargo-toml [ERROR] caused by: missing Cargo.toml [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.