| error[E0277]: `Foo` doesn't implement `Debug` |
| --> $DIR/method-help-unsatisfied-bound.rs:5:7 |
| | |
| LL | a.unwrap(); |
| | ^^^^^^ `Foo` cannot be formatted using `{:?}` |
| | |
| = help: the trait `Debug` is not implemented for `Foo` |
| = note: add `#[derive(Debug)]` to `Foo` or manually `impl Debug for Foo` |
| note: required by a bound in `Result::<T, E>::unwrap` |
| --> $SRC_DIR/core/src/result.rs:LL:COL |
| help: consider annotating `Foo` with `#[derive(Debug)]` |
| | |
| LL + #[derive(Debug)] |
| LL | struct Foo; |
| | |
| |
| error: aborting due to 1 previous error |
| |
| For more information about this error, try `rustc --explain E0277`. |