1 files changed, 6 insertions, 1 deletions
diff --git a/tests/ui/let_underscore_future.rs b/tests/ui/let_underscore_future.rs
index d8f54cdca91..873ae667ab7 100644
--- a/tests/ui/let_underscore_future.rs
+++ b/tests/ui/let_underscore_future.rs
@@ -1,5 +1,5 @@
 use std::future::Future;
-
+//@no-rustfix
 async fn some_async_fn() {}
 
 fn sync_side_effects() {}
@@ -9,12 +9,17 @@ fn custom() -> impl Future<Output = ()> {
 }
 
 fn do_something_to_future(future: &mut impl Future<Output = ()>) {}
+//~^ ERROR: this argument is a mutable reference, but not used mutably
+//~| NOTE: `-D clippy::needless-pass-by-ref-mut` implied by `-D warnings`
 
 fn main() {
     let _ = some_async_fn();
+    //~^ ERROR: non-binding `let` on a future
     let _ = custom();
+    //~^ ERROR: non-binding `let` on a future
 
     let mut future = some_async_fn();
     do_something_to_future(&mut future);
     let _ = future;
+    //~^ ERROR: non-binding `let` on a future
 }