It has brown, rust-colored stains that don’t come off ... and get down to bare metal. Then you can start over to build up a few layers of oil, which will make the pan close to nonstick.

In the meantime, if you’re curious about the language and its low-level abilities yourself, [phil-opp] has written a series of blog posts on building your own little bare metal kernel in Rust.

Small spot repairs and even larger segments of rust that haven't yet disintegrated into crumbling and structurally destroyed ...