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error[E0277]: the trait bound `for<'a> (): Trait2<'a>` is not satisfied
--> $DIR/issue-35570.rs:8:40
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LL | fn _ice(param: Box<dyn for <'a> Trait1<<() as Trait2<'a>>::Ty>>) {
| ^^^^^^^^^^^^^^^^^^^^^^ the trait `for<'a> Trait2<'a>` is not implemented for `()`
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help: this trait has no implementations, consider adding one
--> $DIR/issue-35570.rs:4:1
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LL | trait Trait2<'a> {
| ^^^^^^^^^^^^^^^^
error[E0277]: the trait bound `for<'a> (): Trait2<'a>` is not satisfied
--> $DIR/issue-35570.rs:8:16
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LL | fn _ice(param: Box<dyn for <'a> Trait1<<() as Trait2<'a>>::Ty>>) {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `for<'a> Trait2<'a>` is not implemented for `()`
|
help: this trait has no implementations, consider adding one
--> $DIR/issue-35570.rs:4:1
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LL | trait Trait2<'a> {
| ^^^^^^^^^^^^^^^^
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0277`.
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