| error[E0594]: cannot assign to `self.foo`, which is behind a `&` reference | |
| --> $DIR/issue-93093.rs:8:9 | |
| | | |
| LL | self.foo += 1; | |
| | ^^^^^^^^^^^^^ `self` is a `&` reference, so the data it refers to cannot be written | |
| | | |
| help: consider changing this to be a mutable reference | |
| | | |
| LL | async fn bar(&mut self) { | |
| | ~~~~~~~~~ | |
| error: aborting due to 1 previous error | |
| For more information about this error, try `rustc --explain E0594`. |