I don't know who uses it, but there is a site that has been tracking Rust's maturity for web servers for years.
The answer wasn't "yes" until the last year or two.
The answer wasn't "yes" until the last year or two.
a) Actix Web
https://github.com/actix/actix-web/issues/2810
https://github.com/actix/actix-web/issues/2782
https://github.com/actix/actix-web/issues/2774
b) Rocket
https://github.com/SergioBenitez/Rocket/issues/1405
c) Warp
https://github.com/seanmonstar/warp/issues/937
https://github.com/seanmonstar/warp/issues/798
d) Tide