diff --git a/src/test/ui/in-band-lifetimes/mismatched_trait_impl-2.rs b/src/test/ui/in-band-lifetimes/mismatched_trait_impl-2.rs
index 1b524ec3833e..eca9a67fcb38 100644
--- a/src/test/ui/in-band-lifetimes/mismatched_trait_impl-2.rs
+++ b/src/test/ui/in-band-lifetimes/mismatched_trait_impl-2.rs
@@ -1,3 +1,5 @@
+// ignore-x86
+// ^ due to stderr output differences
 use std::ops::Deref;
 trait Trait {}
 
diff --git a/src/test/ui/in-band-lifetimes/mismatched_trait_impl-2.stderr b/src/test/ui/in-band-lifetimes/mismatched_trait_impl-2.stderr
index c1c4ec9ed7b9..d3862e3d4df6 100644
--- a/src/test/ui/in-band-lifetimes/mismatched_trait_impl-2.stderr
+++ b/src/test/ui/in-band-lifetimes/mismatched_trait_impl-2.stderr
@@ -1,5 +1,5 @@
 error: `impl` item signature doesn't match `trait` item signature
-  --> $DIR/mismatched_trait_impl-2.rs:8:5
+  --> $DIR/mismatched_trait_impl-2.rs:10:5
    |
 LL |     fn deref(&self) -> &dyn Trait {
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ found fn(&Struct) -> &dyn Trait