| error[E0282]: type annotations needed | |
| --> $DIR/cannot-infer-async.rs:11:20 | |
| | | |
| LL | let fut = async { | |
| | --- consider giving `fut` a type | |
| LL | make_unit()?; | |
| | ^ cannot infer type of error for `?` operator | |
| | | |
| = note: `?` implicitly converts the error value into a type implementing `From<std::io::Error>` | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0282`. |