I implemented a simple blog and resume personal web site using rust. I did it mostly as an exercise. I tried just jumping in and had a lot of trouble. I needed to go back and read the rust book. What I found was relatable to what I knew from Scala and C++ but definitely took some effort to learn compared to something like golang which I picked up in a week.
I built using actix 1.x, serde, chrono, rusqlite. I originally tried diesel but it doesn't support certain relationships that are common in SQL. I made my own traits for common CRUD and ORM patterns but I'm not happy with the amount of boilerplate code needed to implement them. I could clean them up with macros but I'm still rethinking the approach.
I did implement my own (unpublished for now) crates to output jsonapi formatted messages and handle uuid primary keys in sqlite, serde from the DB and json.
Overall I'd say it's comparable to coding a web app with C++, but perhaps more straight forward. I added my own middleware for Google Auth without much trouble. It definitely seems to be a "if it complies it works" type experience.