1 error[E0282]: unable to infer enough type information about `_`
2 --> $DIR/repair_span_std_macros.rs:12:13
5 | ^^^^^^ cannot infer type for `_`
7 = note: type annotations or generic parameter binding required
8 = note: this error originates in a macro outside of the current crate
10 error: aborting due to previous error