Don't inspect the generated existential type items

2 files changed, 4 insertions, 23 deletions

diff --git a/src/test/ui/error-codes/E0657.rs b/src/test/ui/error-codes/E0657.rs
index 05a4b8b3544..af91c9e2649 100644
--- a/src/test/ui/error-codes/E0657.rs
+++ b/src/test/ui/error-codes/E0657.rs
@@ -19,7 +19,7 @@ fn free_fn_capture_hrtb_in_impl_trait()
     -> Box<for<'a> Id<impl Lt<'a>>>
         //~^ ERROR `impl Trait` can only capture lifetimes bound at the fn or impl level [E0657]
 {
-    () //~ ERROR mismatched types
+    Box::new(())
 }
 
 struct Foo;
@@ -28,7 +28,7 @@ impl Foo {
         -> Box<for<'a> Id<impl Lt<'a>>>
             //~^ ERROR `impl Trait` can only capture lifetimes bound at the fn or impl level
     {
-        () //~ ERROR mismatched types
+        Box::new(())
     }
 }
 
diff --git a/src/test/ui/error-codes/E0657.stderr b/src/test/ui/error-codes/E0657.stderr
index fb7f88d5ca9..737ae3a163a 100644
--- a/src/test/ui/error-codes/E0657.stderr
+++ b/src/test/ui/error-codes/E0657.stderr
@@ -10,25 +10,6 @@ error[E0657]: `impl Trait` can only capture lifetimes bound at the fn or impl le
 LL |         -> Box<for<'a> Id<impl Lt<'a>>>
    |                                   ^^
 
-error[E0308]: mismatched types
-  --> $DIR/E0657.rs:22:5
-   |
-LL |     () //~ ERROR mismatched types
-   |     ^^ expected struct `std::boxed::Box`, found ()
-   |
-   = note: expected type `std::boxed::Box<(dyn Id<_> + 'static)>`
-              found type `()`
-
-error[E0308]: mismatched types
-  --> $DIR/E0657.rs:31:9
-   |
-LL |         () //~ ERROR mismatched types
-   |         ^^ expected struct `std::boxed::Box`, found ()
-   |
-   = note: expected type `std::boxed::Box<(dyn Id<_> + 'static)>`
-              found type `()`
-
-error: aborting due to 4 previous errors
+error: aborting due to 2 previous errors
 
-Some errors occurred: E0308, E0657.
-For more information about an error, try `rustc --explain E0308`.
+For more information about this error, try `rustc --explain E0657`.