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+error[E0309]: the associated type `<Self as SomeTrait<'a>>::Type1` may not live long enough
+ --> $DIR/wf-trait-associated-type-region.rs:9:18
+ |
+LL | type Type2 = &'a Self::Type1;
+ | ^^^^^^^^^^^^^^^
+ |
+ = help: consider adding an explicit lifetime bound `<Self as SomeTrait<'a>>::Type1: 'a`...
+ = note: ...so that the reference type `&'a <Self as SomeTrait<'a>>::Type1` does not outlive the data it points at
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0309`.