Hi! Not a Google employee, but I'm volunteering on the Rust-for-Linux project which is bringing Rust bindings to the upstream linux kernel. A Google engineer is working on porting binder to Rust and is contributing as he implements it. See his comments here[0] and here[1].

[0] https://github.com/Rust-for-Linux/linux/pull/145 [1] https://github.com/Rust-for-Linux/linux/pull/130