[Klasiaster]

Related is cargo script for Rust: https://doc.rust-lang.org/cargo/reference/unstable.html#scri... (nightly only)

[ComputerGuru]

You can do it out of the box with rust, no need for any tools, because you can strategically mix shell and rust in the same code: https://neosmart.net/blog/self-compiling-rust-code/