error[E0308]: `#[panic_handler]` function has wrong type --> $DIR/panic-handler-bad-signature-1.rs:9:16 | LL | fn panic(info: PanicInfo) -> () {} | ^^^^^^^^^ expected `&PanicInfo<'_>`, found `PanicInfo<'_>` | = note: expected signature `for<'a, 'b> fn(&'a PanicInfo<'b>) -> !` found signature `for<'a> fn(PanicInfo<'a>)` error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0308`.