| error[E0282]: type annotations needed | |
| --> $DIR/issue-5062.rs:1:29 | |
| | | |
| LL | fn main() { format!("{:?}", None); } | |
| | ^^^^ cannot infer type for type parameter `T` declared on the enum `Option` | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0282`. |