1 error[E0425]: cannot find value `u` in this scope
2 --> $DIR/issues-71798.rs:7:24
4 LL | let _ = test_ref & u;
5 | ^ not found in this scope
7 error[E0277]: `u32` is not a future
8 --> $DIR/issues-71798.rs:1:25
10 LL | fn test_ref(x: &u32) -> impl std::future::Future<Output = u32> + '_ {
11 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `u32` is not a future
14 | -- return type was inferred to be `u32` here
16 = help: the trait `Future` is not implemented for `u32`
17 = note: u32 must be a future or must implement `IntoFuture` to be awaited
19 error: aborting due to 2 previous errors
21 Some errors have detailed explanations: E0277, E0425.
22 For more information about an error, try `rustc --explain E0277`.