Clippy fixes

server/src/metrics/actix_web_metrics.rs

@@ -478,7 +478,7 @@ mod tests {
         let (_, request_metrics) =
             prom_metrics::test_instantiate_without_tracing_and_logging(Some(registry.clone()));
 
-        let mut app = test::init_service(
+        let app = test::init_service(
             App::new()
                 .wrap(request_metrics.clone())
                 .service(web::resource("/test_ok").to(test_ok_endpoint))
@@ -488,19 +488,19 @@ mod tests {
         .await;
 
         let req_ok = test::TestRequest::get().uri("/test_ok").to_request();
-        let resp_ok = test::call_service(&mut app, req_ok).await;
+        let resp_ok = test::call_service(&app, req_ok).await;
         assert_eq!(resp_ok.status(), StatusCode::OK);
 
         let req_client_error = test::TestRequest::get()
             .uri("/test_client_error")
             .to_request();
-        let resp_client_error = test::call_service(&mut app, req_client_error).await;
+        let resp_client_error = test::call_service(&app, req_client_error).await;
         assert_eq!(resp_client_error.status(), StatusCode::BAD_REQUEST);
 
         let req_server_error = test::TestRequest::get()
             .uri("/test_server_error")
             .to_request();
-        let resp_server_error = test::call_service(&mut app, req_server_error).await;
+        let resp_server_error = test::call_service(&app, req_server_error).await;
         assert_eq!(
             resp_server_error.status(),
             StatusCode::INTERNAL_SERVER_ERROR
@@ -533,4 +533,4 @@ mod tests {
             "Metric value for status code 500 did not match expected"
         );
     }
-}
+}

server/src/tls.rs

@@ -46,9 +46,7 @@ pub fn config(tls_config: TlsOptions) -> Result<ServerConfig, EdgeError> {
         File::open(tls_config.tls_server_key.expect("No server key").as_path())
             .expect("Could not read cert file"),
     );
-    let cert_chain = certs(&mut cert_file)
-        .filter_map(|f| f.ok())
-        .collect();
+    let cert_chain = certs(&mut cert_file).filter_map(|f| f.ok()).collect();
     let mut keys: Vec<PrivateKeyDer> = pkcs8_private_keys(&mut key_file)
         .filter_map(|f| f.map(PrivateKeyDer::from).ok())
         .collect();