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diff --git a/tests/ui/type-alias-impl-trait/coherence_cross_crate.stderr b/tests/ui/type-alias-impl-trait/coherence_cross_crate.stderr
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+error[E0119]: conflicting implementations of trait `OtherTrait` for type `Alias`
+ --> $DIR/coherence_cross_crate.rs:21:1
+ |
+LL | impl OtherTrait for Alias {}
+ | ------------------------- first implementation here
+LL | impl OtherTrait for i32 {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `Alias`
+ |
+ = note: upstream crates may add a new impl of trait `coherence_cross_crate_trait_decl::SomeTrait` for type `i32` in future versions
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0119`.