error[E0277]: `NonError` doesn't implement `std::fmt::Display`
--> tests/ui/result_no_display.rs:4:19
|
4 | fn f() -> Result<()>;
| ^^^^^^^^^^ `NonError` cannot be formatted with the default formatter
|
= help: the trait `std::fmt::Display` is not implemented for `NonError`
= note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead