style(lib): run rustfmt and enforce in CI

examples/proxy.rs

@@ -1,7 +1,7 @@
 #![deny(warnings)]
 
-use hyper::{Client, Error, Server};
 use hyper::service::{make_service_fn, service_fn};
+use hyper::{Client, Error, Server};
 use std::net::SocketAddr;
 
 #[tokio::main]
@@ -19,15 +19,17 @@ async fn main() {
     // creating a 'service' to handle requests for that specific connection.
     let make_service = make_service_fn(move |_| {
         let client = client_main.clone();
-        
+
         async move {
             // This is the `Service` that will handle the connection.
             // `service_fn` is a helper to convert a function that
             // returns a Response into a `Service`.
             Ok::<_, Error>(service_fn(move |mut req| {
-                let uri_string = format!("http://{}/{}",
-                                         out_addr_clone,
-                                         req.uri().path_and_query().map(|x| x.as_str()).unwrap_or(""));
+                let uri_string = format!(
+                    "http://{}/{}",
+                    out_addr_clone,
+                    req.uri().path_and_query().map(|x| x.as_str()).unwrap_or("")
+                );
                 let uri = uri_string.parse().unwrap();
                 *req.uri_mut() = uri;
                 client.request(req)
@@ -35,8 +37,7 @@ async fn main() {
         }
     });
 
-    let server = Server::bind(&in_addr)
-        .serve(make_service);
+    let server = Server::bind(&in_addr).serve(make_service);
 
     println!("Listening on http://{}", in_addr);
     println!("Proxying on http://{}", out_addr);