error[E0726]: implicit elided lifetime not allowed here --> $DIR/trait-elided.rs:5:6 | LL | impl MyTrait for u32 {} | ^^^^^^^ expected lifetime parameter | help: indicate the anonymous lifetime | LL | impl MyTrait<'_> for u32 {} | ++++ error: aborting due to previous error For more information about this error, try `rustc --explain E0726`.