This is something that I really missed when working with Rust in the (web) server space. So I created one of my own.
Code: https://github.com/Thomasdezeeuw/io-context.
I also posted this on reddit: https://www.reddit.com/r/rust/comments/6n46st/announcing_iocontext_akin_to_gos_context_package/
Couldn't add more then two links in a post, so here are the docs: io_context - Rust.
If it is intended to be passed between processes, it should handle serialisation.
Aboslutly true. This is something that is still left to do. But this needs to be cordinated between languages or frameworks for it to really work.