rust webdev--please help!

extern crate iron;
extern crate router;

use iron::prelude::*;
use iron::status;
use router::Router;

fn main() {
    let mut router = Router::new();

    router.get("/", hello_world, "index");

    fn hello_world(_: &mut Request) -> IronResult<Response> {
        Ok(Response::with((status::Ok, "Hello World!")))
    }

    Iron::new(router).http("localhost:3000").unwrap();
    println!("On 3000");
}






   Compiling emmaramirez_me v0.0.1 (file:///C:/Users/Emma%20Ramirez/Code/emmaramirez.me)
src\main.rs:11:12: 11:15 error: type mismatch: the type `fn(&mut iron::Request<'_, '_>) -> std::result::Result<iron::Response, iron::IronError> {main::hello_world}` implements the trait `for<'r, 'r, 'r> std::ops::Fn<(&'r mut iron::Request<'r, 'r>,)>`, but the trait `for<'r, 'r, 'r> std::ops::Fn<(&'r mut iron::request::Request<'r, 'r>,)>` is required (expected struct `iron::request::Request`, found struct `iron::Request`) [E0281]
src\main.rs:11     router.get("/", hello_world, "index");
                          ^~~
src\main.rs:11:12: 11:15 help: run `rustc --explain E0281` to see a detailed explanation
src\main.rs:11:12: 11:15 note: required because of the requirements on the impl of `iron::middleware::Handler` for `fn(&mut iron::Request<'_, '_>) -> std::result::Result<iron::Response, iron::IronError> {main::hello_world}`
src\main.rs:11:12: 11:15 error: type mismatch: the type `fn(&mut iron::Request<'_, '_>) -> std::result::Result<iron::Response, iron::IronError> {main::hello_world}` implements the trait `for<'r, 'r, 'r> std::ops::FnOnce<(&'r mut iron::Request<'r, 'r>,)>`, but the trait `for<'r, 'r, 'r> std::ops::FnOnce<(&'r mut iron::request::Request<'r, 'r>,)>` is required (expected struct `iron::request::Request`, found struct `iron::Request`) [E0281]
src\main.rs:11     router.get("/", hello_world, "index");
                          ^~~
src\main.rs:11:12: 11:15 help: run `rustc --explain E0281` to see a detailed explanation
src\main.rs:11:12: 11:15 note: required because of the requirements on the impl of `iron::middleware::Handler` for `fn(&mut iron::Request<'_, '_>) -> std::result::Result<iron::Response, iron::IronError> {main::hello_world}`
src\main.rs:17:5: 17:14 error: the trait bound `for<'r, 'r, 'r> router::Router: std::ops::Fn<(&'r mut iron::Request<'r, 'r>,)>` is not satisfied [E0277]
src\main.rs:17     Iron::new(router).http("localhost:3000").unwrap();
                   ^~~~~~~~~
src\main.rs:17:5: 17:14 help: run `rustc --explain E0277` to see a detailed explanation
src\main.rs:17:5: 17:14 note: required because of the requirements on the impl of `iron::Handler` for `router::Router`
src\main.rs:17:5: 17:14 note: required by `iron::Iron::new`
src\main.rs:17:5: 17:14 error: the trait bound `for<'r, 'r, 'r> router::Router: std::ops::FnOnce<(&'r mut iron::Request<'r, 'r>,)>` is not satisfied [E0277]
src\main.rs:17     Iron::new(router).http("localhost:3000").unwrap();
                   ^~~~~~~~~
src\main.rs:17:5: 17:14 help: run `rustc --explain E0277` to see a detailed explanation
src\main.rs:17:5: 17:14 note: required because of the requirements on the impl of `iron::Handler` for `router::Router`
src\main.rs:17:5: 17:14 note: required by `iron::Iron::new`
src\main.rs:17:23: 17:27 error: no method named `http` found for type `iron::Iron<router::Router>` in the current scope
src\main.rs:17     Iron::new(router).http("localhost:3000").unwrap();
                                     ^~~~
src\main.rs:17:23: 17:27 note: the method `http` exists but the following trait bounds were not satisfied: `router::Router : iron::Handler`