| error[E0562]: `impl Trait` is not allowed in the type of variable bindings | |
| --> $DIR/issue-54600.rs:4:19 | |
| | | |
| LL | let x: Option<impl Debug> = Some(44_u32); | |
| | ^^^^^^^^^^ | |
| | | |
| = note: `impl Trait` is only allowed in arguments and return types of functions and methods | |
| error: aborting due to 1 previous error | |
| For more information about this error, try `rustc --explain E0562`. |