Hyper and Warp both use the http crate because they were written by the same person who wrote the http crate. All the other frameworks, including actix-web, tid

Hyper and Warp both use the http crate because they were written by the same person who wrote the http crate. All the other frameworks, including actix-web, tide, and rocket only use it for repetitive types (headers, statuscode) but have their own request, response, etc. types