There's an Embedded Rust working group currently, and they're doing some amazing things: https://github.com/rust-embedded/awesome-embedded-rust

James Munn gave a super interesting talk at this year's RustConf about some of the abstractions they're building for embedded systems: https://www.youtube.com/watch?v=t99L3JHhLc0

I think Rust is in a great position to become incredibly useful in the embedded space.