message: Remove await_macro
diff: -#![feature(
  - async_await,
  - await_macro,
  -)]
  +#![feature(async_await)]
  use std::{future::Future, pin::Pin, task::Poll, ptr};
  use std::task::{Waker, RawWaker, RawWakerVTable, Context};
  @@ -11,7 +8,7 @@ pub async fn foo(x: &u32, y: u32) -> u32 {
  let y = &y;
  let z = 9;
  let z = &z;
  - let y = await!(async { *y + *z });
  + let y = async { *y + *z }.await;
  let a = 10;
  let a = &a;
  *x + y + *a
  