ices/61335.rs: fixed with errors

[github-actions]

Issue: rust-lang/rust#61335

#![feature(async_await)]
#![feature(unsized_locals)]

async fn f() {}

async fn g(x: Box<dyn core::fmt::Display>) {
    let _x = *x;
    f().await;
}

fn main() {
    let _a = g(Box::new(5));
}

=== stdout ===
=== stderr ===
warning: the feature `unsized_locals` is incomplete and may not be safe to use and/or cause compiler crashes
 --> /home/runner/work/glacier/glacier/ices/61335.rs:2:12
  |
2 | #![feature(unsized_locals)]
  |            ^^^^^^^^^^^^^^
  |
  = note: see issue #48055 <https://github.com/rust-lang/rust/issues/48055> for more information
  = note: `#[warn(incomplete_features)]` on by default

warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable
 --> /home/runner/work/glacier/glacier/ices/61335.rs:1:12
  |
1 | #![feature(async_await)]
  |            ^^^^^^^^^^^
  |
  = note: `#[warn(stable_features)]` on by default

error[E0277]: the size for values of type `dyn std::fmt::Display` cannot be known at compilation time
 --> /home/runner/work/glacier/glacier/ices/61335.rs:7:9
  |
7 |     let _x = *x;
  |         ^^ doesn't have a size known at compile-time
  |
  = help: the trait `Sized` is not implemented for `dyn std::fmt::Display`
  = note: all values live across `await` must have a statically known size

error: aborting due to previous error; 2 warnings emitted

For more information about this error, try `rustc --explain E0277`.
==============