Update for rust-lang/rust#64856.

Raise the nightly version to one that accepts '...(format!(...)).await'.

This additionally reverts commit bdbf80f.

core/codegen/tests/route-ranking.rs

@@ -26,16 +26,13 @@ async fn test_ranking() {
     let mut response = client.get("/0").dispatch().await;
     assert_eq!(response.body_string().await.unwrap(), "0");
 
-    let request = client.get(format!("/{}", 1 << 8));
-    let mut response = request.dispatch().await;
+    let mut response = client.get(format!("/{}", 1 << 8)).dispatch().await;
     assert_eq!(response.body_string().await.unwrap(), "1");
 
-    let request = client.get(format!("/{}", 1 << 16));
-    let mut response = request.dispatch().await;
+    let mut response = client.get(format!("/{}", 1 << 16)).dispatch().await;
     assert_eq!(response.body_string().await.unwrap(), "2");
 
-    let request = client.get(format!("/{}", 1u64 << 32));
-    let mut response = request.dispatch().await;
+    let mut response = client.get(format!("/{}", 1u64 << 32)).dispatch().await;
     assert_eq!(response.body_string().await.unwrap(), "3");
 }
 

core/codegen/tests/route.rs

@@ -102,28 +102,26 @@ async fn test_full_route() {
     let response = client.post(&uri).body(simple).dispatch().await;
     assert_eq!(response.status(), Status::NotFound);
 
-    let request = client.post(format!("/1{}", uri)).body(simple);
-    let response = request.dispatch().await;
+    let response = client.post(format!("/1{}", uri)).body(simple).dispatch().await;
     assert_eq!(response.status(), Status::NotFound);
 
-    let request = client
+    let mut response = client
         .post(format!("/1{}", uri))
         .header(ContentType::JSON)
-        .body(simple);
-    let mut response = request.dispatch().await;
+        .body(simple)
+        .dispatch().await;
 
     assert_eq!(response.body_string().await.unwrap(), format!("({}, {}, {}, {}, {}, {}) ({})",
             sky, name, "A A", "inside", path, simple, expected_uri));
 
-    let request = client.post(format!("/2{}", uri)).body(simple);
-    let response = request.dispatch().await;
+    let response = client.post(format!("/2{}", uri)).body(simple).dispatch().await;
     assert_eq!(response.status(), Status::NotFound);
 
-    let request = client
+    let mut response = client
         .post(format!("/2{}", uri))
         .header(ContentType::JSON)
-        .body(simple);
-    let mut response = request.dispatch().await;
+        .body(simple)
+        .dispatch().await;
 
     assert_eq!(response.body_string().await.unwrap(), format!("({}, {}, {}, {}, {}, {}) ({})",
             sky, name, "A A", "inside", path, simple, expected_uri));

core/lib/build.rs

@@ -3,8 +3,9 @@
 use yansi::{Paint, Color::{Red, Yellow, Blue}};
 
 // Specifies the minimum nightly version needed to compile Rocket.
-const MIN_DATE: &'static str = "2019-08-20";
-const MIN_VERSION: &'static str = "1.39.0-nightly";
+
+const MIN_DATE: &'static str = "2019-11-24";
+const MIN_VERSION: &'static str = "1.41.0-nightly";
 
 macro_rules! err {
     ($version:expr, $date:expr, $msg:expr) => (

core/lib/src/data/data.rs

@@ -171,8 +171,7 @@ impl Data {
     pub fn stream_to_file<P: AsRef<Path> + Send + Unpin + 'static>(self, path: P) -> impl Future<Output = io::Result<u64>> {
         Box::pin(async move {
             let mut file = tokio::fs::File::create(path).await?;
-            let streaming = self.stream_to(&mut file);
-            streaming.await
+            self.stream_to(&mut file).await
         })
     }
 

core/lib/src/local/request.rs

@@ -348,8 +348,7 @@ impl<'c> LocalRequest<'c> {
     #[inline(always)]
     pub async fn dispatch(mut self) -> LocalResponse<'c> {
         let r = self.long_lived_request();
-        let dispatching = LocalRequest::_dispatch(self.client, r, self.request, &self.uri, self.data);
-        dispatching.await
+        LocalRequest::_dispatch(self.client, r, self.request, &self.uri, self.data).await
     }
 
     /// Dispatches the request, returning the response.

core/lib/tests/form_value_decoding-issue-82.rs

@@ -22,10 +22,10 @@ mod tests {
 
     async fn check_decoding(raw: &str, decoded: &str) {
         let client = Client::new(rocket::ignite().mount("/", routes![bug])).unwrap();
-        let request = client.post("/")
+        let mut response = client.post("/")
             .header(ContentType::Form)
-            .body(format!("form_data={}", raw));
-        let mut response = request.dispatch().await;
+            .body(format!("form_data={}", raw))
+            .dispatch().await;
 
         assert_eq!(response.status(), Status::Ok);
         assert_eq!(Some(decoded.to_string()), response.body_string().await);

core/lib/tests/segments-issues-41-86.rs

@@ -47,8 +47,7 @@ mod tests {
                         "/static", "/point/static"]
         {
             let path = "this/is/the/path/we/want";
-            let request = client.get(format!("{}/{}", prefix, path));
-            let mut response = request.dispatch().await;
+            let mut response = client.get(format!("{}/{}", prefix, path)).dispatch().await;
             assert_eq!(response.body_string().await, Some(path.into()));
         }
     }

core/lib/tests/strict_and_lenient_forms.rs

@@ -34,37 +34,37 @@ mod strict_and_lenient_forms_tests {
     #[rocket::async_test]
     async fn test_strict_form() {
         let client = client();
-        let request = client.post("/strict")
+        let mut response = client.post("/strict")
             .header(ContentType::Form)
-            .body(format!("field={}", FIELD_VALUE));
-        let mut response = request.dispatch().await;
+            .body(format!("field={}", FIELD_VALUE))
+            .dispatch().await;
 
         assert_eq!(response.status(), Status::Ok);
         assert_eq!(response.body_string().await, Some(FIELD_VALUE.into()));
 
-        let request = client.post("/strict")
+        let response = client.post("/strict")
             .header(ContentType::Form)
-            .body(format!("field={}&extra=whoops", FIELD_VALUE));
-        let response = request.dispatch().await;
+            .body(format!("field={}&extra=whoops", FIELD_VALUE))
+            .dispatch().await;
 
         assert_eq!(response.status(), Status::UnprocessableEntity);
     }
 
     #[rocket::async_test]
     async fn test_lenient_form() {
         let client = client();
-        let request = client.post("/lenient")
+        let mut response = client.post("/lenient")
             .header(ContentType::Form)
-            .body(format!("field={}", FIELD_VALUE));
-        let mut response = request.dispatch().await;
+            .body(format!("field={}", FIELD_VALUE))
+            .dispatch().await;
 
         assert_eq!(response.status(), Status::Ok);
         assert_eq!(response.body_string().await, Some(FIELD_VALUE.into()));
 
-        let request = client.post("/lenient")
+        let mut response = client.post("/lenient")
             .header(ContentType::Form)
-            .body(format!("field={}&extra=whoops", FIELD_VALUE));
-        let mut response = request.dispatch().await;
+            .body(format!("field={}&extra=whoops", FIELD_VALUE))
+            .dispatch().await;
 
         assert_eq!(response.status(), Status::Ok);
         assert_eq!(response.body_string().await, Some(FIELD_VALUE.into()));

core/lib/tests/uri-percent-encoding-issue-808.rs

@@ -52,8 +52,7 @@ mod tests {
     async fn uri_percent_encoding_get() {
         let client = Client::new(rocket()).unwrap();
         let name = Uri::percent_encode(NAME);
-        let request = client.get(format!("/hello/{}", name));
-        let mut response = request.dispatch().await;
+        let mut response = client.get(format!("/hello/{}", name)).dispatch().await;
         assert_eq!(response.status(), Status::Ok);
         assert_eq!(response.body_string().await.unwrap(), format!("Hello, {}!", NAME));
     }

examples/errors/src/tests.rs

@@ -7,8 +7,7 @@ async fn test(uri: &str, status: Status, body: String) {
         .register(catchers![super::not_found]);
 
     let client = Client::new(rocket).unwrap();
-    let request = client.get(uri);
-    let mut response = request.dispatch().await;
+    let mut response = client.get(uri).dispatch().await;
     assert_eq!(response.status(), status);
     assert_eq!(response.body_string().await, Some(body));
 }
@@ -17,8 +16,7 @@ async fn test(uri: &str, status: Status, body: String) {
 async fn test_hello() {
     let (name, age) = ("Arthur", 42);
     let uri = format!("/hello/{}/{}", name, age);
-    let expected = format!("Hello, {} year old named {}!", age, name);
-    test(&uri, Status::Ok, expected).await;
+    test(&uri, Status::Ok, format!("Hello, {} year old named {}!", age, name)).await;
 }
 
 #[rocket::async_test]

examples/hello_person/src/tests.rs

@@ -18,9 +18,8 @@ async fn test_404(uri: &'static str) {
 #[rocket::async_test]
 async fn test_hello() {
     for &(name, age) in &[("Mike", 22), ("Michael", 80), ("A", 0), ("a", 127)] {
-        let uri = format!("/hello/{}/{}", name, age);
-        let expected = format!("Hello, {} year old named {}!", age, name);
-        test(uri, expected).await;
+        test(format!("/hello/{}/{}", name, age),
+            format!("Hello, {} year old named {}!", age, name)).await;
     }
 }
 
@@ -34,7 +33,6 @@ async fn test_failing_hello() {
 #[rocket::async_test]
 async fn test_hi() {
     for name in &["Mike", "A", "123", "hi", "c"] {
-        let uri = format!("/hello/{}", name);
-        test(uri, name.to_string()).await;
+        test(format!("/hello/{}", name), name.to_string()).await;
     }
 }

examples/manual_routes/src/main.rs

@@ -52,8 +52,7 @@ fn upload<'r>(req: &'r Request, data: Data) -> HandlerFuture<'r> {
         let file = File::create(env::temp_dir().join("upload.txt")).await;
         if let Ok(file) = file {
             if let Ok(n) = data.stream_to(file).await {
-                let response = format!("OK: {} bytes uploaded.", n);
-                return Outcome::from(req, response).await;
+                return Outcome::from(req, format!("OK: {} bytes uploaded.", n)).await;
             }
 
             println!("    => Failed copying.");
@@ -94,8 +93,7 @@ impl Handler for CustomHandler {
                 .or_forward(data);
 
             let id = try_outcome!(id_outcome);
-            let response = format!("{} - {}", self_data, id);
-            Outcome::from(req, response).await
+            Outcome::from(req, format!("{} - {}", self_data, id)).await
         })
     }
 }

examples/manual_routes/src/tests.rs

@@ -5,8 +5,7 @@ use rocket::http::{ContentType, Status};
 fn test(uri: &str, content_type: ContentType, status: Status, body: String) {
     rocket::async_test(async move {
         let client = Client::new(rocket()).unwrap();
-        let request = client.get(uri).header(content_type);
-        let mut response = request.dispatch().await;
+        let mut response = client.get(uri).header(content_type).dispatch().await;
         assert_eq!(response.status(), status);
         assert_eq!(response.body_string().await, Some(body));
     })

examples/pastebin/src/tests.rs

@@ -25,8 +25,7 @@ async fn upload_paste(client: &Client, body: &str) -> String {
 }
 
 async fn download_paste(client: &Client, id: &str) -> String {
-    let request = client.get(format!("/{}", id));
-    let mut response = request.dispatch().await;
+    let mut response = client.get(format!("/{}", id)).dispatch().await;
     assert_eq!(response.status(), Status::Ok);
     response.body_string().await.unwrap()
 }

examples/query_params/src/tests.rs

@@ -5,9 +5,8 @@ use rocket::http::Status;
 macro_rules! run_test {
     ($query:expr, |$response:ident| $body:expr) => ({
         let client = Client::new(rocket()).unwrap();
-        let request = client.get(format!("/hello{}", $query));
         #[allow(unused_mut)]
-        let mut $response = request.dispatch().await;
+        let mut $response = client.get(format!("/hello{}", $query)).dispatch().await;
         $body
     })
 }

examples/ranking/src/tests.rs

@@ -3,32 +3,29 @@ use rocket::local::Client;
 async fn test(uri: String, expected: String) {
     let rocket = rocket::ignite().mount("/", routes![super::hello, super::hi]);
     let client = Client::new(rocket).unwrap();
-    let mut response = client.get(uri).dispatch().await;
+    let mut response = client.get(&uri).dispatch().await;
     assert_eq!(response.body_string().await, Some(expected));
 }
 
 #[rocket::async_test]
 async fn test_hello() {
     for &(name, age) in &[("Mike", 22), ("Michael", 80), ("A", 0), ("a", 127)] {
-        let uri = format!("/hello/{}/{}", name, age);
-        let expected = format!("Hello, {} year old named {}!", age, name);
-        test(uri, expected).await;
+        test(format!("/hello/{}/{}", name, age),
+            format!("Hello, {} year old named {}!", age, name)).await;
     }
 }
 
 #[rocket::async_test]
 async fn test_failing_hello_hi() {
     // Invalid integers.
     for &(name, age) in &[("Mike", 1000), ("Michael", 128), ("A", -800), ("a", -200)] {
-        let uri = format!("/hello/{}/{}", name, age);
-        let expected = format!("Hi {}! Your age ({}) is kind of funky.", name, age);
-        test(uri, expected).await;
+        test(format!("/hello/{}/{}", name, age),
+            format!("Hi {}! Your age ({}) is kind of funky.", name, age)).await;
     }
 
     // Non-integers.
     for &(name, age) in &[("Mike", "!"), ("Michael", "hi"), ("A", "blah"), ("a", "0-1")] {
-        let uri = format!("/hello/{}/{}", name, age);
-        let expected = format!("Hi {}! Your age ({}) is kind of funky.", name, age);
-        test(uri, expected).await;
+        test(format!("/hello/{}/{}", name, age),
+            format!("Hi {}! Your age ({}) is kind of funky.", name, age)).await;
     }
 }

examples/session/src/tests.rs

@@ -14,10 +14,10 @@ fn user_id_cookie(response: &Response<'_>) -> Option<Cookie<'static>> {
 }
 
 async fn login(client: &Client, user: &str, pass: &str) -> Option<Cookie<'static>> {
-    let request = client.post("/login")
+    let response = client.post("/login")
         .header(ContentType::Form)
-        .body(format!("username={}&password={}", user, pass));
-    let response = request.dispatch().await;
+        .body(format!("username={}&password={}", user, pass))
+        .dispatch().await;
 
     user_id_cookie(&response)
 }

examples/todo/src/tests.rs

@@ -49,8 +49,7 @@ fn test_insertion_deletion() {
 
         // Issue a request to delete the task.
         let id = new_tasks[0].id.unwrap();
-        let request = client.delete(format!("/todo/{}", id));
-        request.dispatch().await;
+        client.delete(format!("/todo/{}", id)).dispatch().await;
 
         // Ensure it's gone.
         let final_tasks = Task::all(&conn);
@@ -74,13 +73,11 @@ fn test_toggle() {
         assert_eq!(task.completed, false);
 
         // Issue a request to toggle the task; ensure it is completed.
-        let request = client.put(format!("/todo/{}", task.id.unwrap()));
-        request.dispatch().await;
+        client.put(format!("/todo/{}", task.id.unwrap())).dispatch().await;
         assert_eq!(Task::all(&conn)[0].completed, true);
 
         // Issue a request to toggle the task; ensure it's not completed again.
-        let request = client.put(format!("/todo/{}", task.id.unwrap()));
-        request.dispatch().await;
+        client.put(format!("/todo/{}", task.id.unwrap())).dispatch().await;
         assert_eq!(Task::all(&conn)[0].completed, false);
     })
 }
@@ -97,10 +94,10 @@ fn test_many_insertions() {
         for i in 0..ITER {
             // Issue a request to insert a new task with a random description.
             let desc: String = thread_rng().sample_iter(&Alphanumeric).take(12).collect();
-            let request = client.post("/todo")
+            client.post("/todo")
                 .header(ContentType::Form)
-                .body(format!("description={}", desc));
-            request.dispatch().await;
+                .body(format!("description={}", desc))
+                .dispatch().await;
 
             // Record the description we choose for this iteration.
             descs.insert(0, desc);