Unhelpful error message when awaiting an async closure while forgetting the brackets

[gilescope]

async fn _async_bar() -> u32 {
    let async_closure = async || {
       22_u32
    };
    
    async_closure.await
}

(Playground link

Obviously async_closure().await was what I should have written. It would be great if rustc suggested that maybe I shoudl try calling the closure rather than the error it currently offers:

error[E0277]: the trait bound `[closure@src/main.rs:6:25: 8:6]: std::future::Future` is not satisfied
   --> src/main.rs:10:5
    |
10  |     async_closure.await
    |     ^^^^^^^^^^^^^^^^^^^ the trait `std::future::Future` is not implemented for `[closure@src/main.rs:6:25: 8:6]`