Silence crate external span error in x86 platforms

estebank · estebank · commit 213fd1f37f27 · 2019-10-29T10:19:59.000-07:00
This causes issues in at least `dist-i586-gnu-i586-i686-musl`,
possibly others.
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
@@ -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
@@ -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

Original file line number	Diff line number	Diff line change
`@@ -1,3 +1,5 @@`
	`1`	`+// ignore-x86`
	`2`	`+// ^ due to stderr output differences`
`1`	`3`	`use std::ops::Deref;`
`2`	`4`	`trait Trait {}`
`3`	`5`
Original file line number	Diff line number	Diff line change
`@@ -1,5 +1,5 @@`
`1`	`1`	error: `impl` item signature doesn't match `trait` item signature
`2`		`- --> $DIR/mismatched_trait_impl-2.rs:8:5`
	`2`	`+ --> $DIR/mismatched_trait_impl-2.rs:10:5`
`3`	`3`	`\|`
`4`	`4`	`LL \| fn deref(&self) -> &dyn Trait {`
`5`	`5`	`\| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ found fn(&Struct) -> &dyn Trait`