Use async closures where applicable

crates/crates_io_tarball/src/lib.rs

@@ -326,7 +326,7 @@ mod tests {
 
     #[tokio::test]
     async fn process_tarball_test_incorrect_manifest_casing() {
-        let process = |file| async move {
+        let process = async |file| {
             let tarball = TarballBuilder::new()
                 .add_file(&format!("foo-0.0.1/{file}"), MANIFEST)
                 .build();
@@ -343,7 +343,7 @@ mod tests {
 
     #[tokio::test]
     async fn process_tarball_test_multiple_manifests() {
-        let process = |files: Vec<_>| async move {
+        let process = async |files: Vec<_>| {
             let tarball = files
                 .iter()
                 .fold(TarballBuilder::new(), |builder, file| {

crates/crates_io_worker/src/worker.rs

@@ -75,7 +75,7 @@ impl<Context: Clone + Send + Sync + 'static> Worker<Context> {
                 let job_id = job.id;
                 debug!("Running job…");
 
-                let future = with_sentry_transaction(&job.job_type, || async {
+                let future = with_sentry_transaction(&job.job_type, async || {
                     let run_task_fn = job_registry
                         .get(&job.job_type)
                         .ok_or_else(|| anyhow!("Unknown job type {}", job.job_type))?;

src/controllers/krate/delete.rs

@@ -236,7 +236,7 @@ mod tests {
 
     #[tokio::test]
     async fn test_query_params() -> anyhow::Result<()> {
-        let check = |uri| async move {
+        let check = async |uri| {
             let request = Request::builder().uri(uri).body(())?;
             let (mut parts, _) = request.into_parts();
             Ok::<_, anyhow::Error>(parts.extract::<DeleteQueryParams>().await?)

src/controllers/krate/publish.rs

@@ -527,11 +527,11 @@ pub async fn publish(app: AppState, req: Parts, body: Body) -> AppResult<Json<Go
             git_index_job.enqueue(conn),
             sparse_index_job.enqueue(conn),
             publish_notifications_job.enqueue(conn),
-            crate_feed_job.enqueue(conn).or_else(|error| async move {
+            crate_feed_job.enqueue(conn).or_else(async |error| {
                 error!("Failed to enqueue `rss::SyncCrateFeed` job: {error}");
                 Ok::<_, EnqueueError>(None)
             }),
-            updates_feed_job.enqueue(conn).or_else(|error| async move {
+            updates_feed_job.enqueue(conn).or_else(async |error| {
                 error!("Failed to enqueue `rss::SyncUpdatesFeed` job: {error}");
                 Ok::<_, EnqueueError>(None)
             }),
@@ -543,11 +543,11 @@ pub async fn publish(app: AppState, req: Parts, body: Body) -> AppResult<Json<Go
             let typosquat_job = CheckTyposquat::new(&krate.name);
 
             tokio::try_join!(
-                crates_feed_job.enqueue(conn).or_else(|error| async move {
+                crates_feed_job.enqueue(conn).or_else(async |error| {
                     error!("Failed to enqueue `rss::SyncCratesFeed` job: {error}");
                     Ok::<_, EnqueueError>(None)
                 }),
-                typosquat_job.enqueue(conn).or_else(|error| async move {
+                typosquat_job.enqueue(conn).or_else(async |error| {
                     error!("Failed to enqueue `CheckTyposquat` job: {error}");
                     Ok::<_, EnqueueError>(None)
                 }),

src/middleware/cargo_compat.rs

@@ -142,21 +142,20 @@ mod tests {
     use tower::ServiceExt;
 
     fn build_app() -> Router {
-        let okay = get(|| async { "Everything is okay" });
-        let teapot = get(|| async { (StatusCode::IM_A_TEAPOT, "I'm a teapot") });
-        let internal =
-            get(|| async { (StatusCode::INTERNAL_SERVER_ERROR, "Internal Server Error") });
+        let okay = get(async || "Everything is okay");
+        let teapot = get(async || (StatusCode::IM_A_TEAPOT, "I'm a teapot"));
+        let internal = get(async || (StatusCode::INTERNAL_SERVER_ERROR, "Internal Server Error"));
 
         Router::new()
             .route("/api/ok", okay.clone())
             .route("/api/teapot", teapot.clone())
             .route("/teapot", teapot)
             .route("/api/500", internal.clone())
             .route("/500", internal)
-            .route("/api/v1/crates/new", put(|| async { StatusCode::CREATED }))
+            .route("/api/v1/crates/new", put(async || StatusCode::CREATED))
             .route(
                 "/api/v1/crates/{crate_id}/owners",
-                get(|| async { StatusCode::INTERNAL_SERVER_ERROR }),
+                get(async || StatusCode::INTERNAL_SERVER_ERROR),
             )
             .layer(from_fn_with_state(StatusCodeConfig::AdjustAll, middleware))
     }

src/router.rs

@@ -110,12 +110,10 @@ pub fn build_axum_router(state: AppState) -> Router<()> {
     }
 
     router
-        .route("/api/openapi.json", get(|| async { Json(openapi) }))
-        .fallback(|method: Method| async move {
-            match method {
-                Method::HEAD => StatusCode::NOT_FOUND.into_response(),
-                _ => not_found().into_response(),
-            }
+        .route("/api/openapi.json", get(async || Json(openapi)))
+        .fallback(async |method: Method| match method {
+            Method::HEAD => StatusCode::NOT_FOUND.into_response(),
+            _ => not_found().into_response(),
         })
         .with_state(state)
 }

src/worker/jobs/archive_version_downloads.rs

@@ -191,7 +191,7 @@ async fn upload(
 
     let directory = directory.as_ref();
     let uploaded_dates = futures_util::stream::iter(dates)
-        .map(|date| async move {
+        .map(async |date| {
             let path = directory.join(format!("{date}.csv"));
             let result = upload_file(store, &path).await;
             result.map(|_| date).inspect_err(|error| {