1 error[E0106]: missing lifetime specifier
2 --> $DIR/dyn-trait-underscore-in-struct.rs:9:24
4 LL | x: Box<dyn Debug + '_>,
5 | ^^ expected named lifetime parameter
7 help: consider introducing a named lifetime parameter
10 LL ~ x: Box<dyn Debug + 'a>,
13 error: aborting due to previous error
15 For more information about this error, try `rustc --explain E0106`.