1 error[E0261]: use of undeclared lifetime name `'a`
2 --> $DIR/issue-67510.rs:7:21
4 LL | fn f(x: Box<dyn X<Y<'a>=&'a ()>>) {}
5 | - ^^ undeclared lifetime
7 | help: consider introducing lifetime `'a` here: `<'a>`
9 error[E0261]: use of undeclared lifetime name `'a`
10 --> $DIR/issue-67510.rs:7:26
12 LL | fn f(x: Box<dyn X<Y<'a>=&'a ()>>) {}
13 | - ^^ undeclared lifetime
15 | help: consider introducing lifetime `'a` here: `<'a>`
17 error: aborting due to 2 previous errors
19 For more information about this error, try `rustc --explain E0261`.