Update ui tests

src/test/ui/issues/issue-17001.stderr

@@ -6,3 +6,4 @@ LL |     let p = foo { x: () };
 
 error: aborting due to previous error
 
+For more information about this error, try `rustc --explain E0574`.

src/test/ui/issues/issue-17405.stderr

@@ -6,3 +6,4 @@ LL |         Foo { i } => ()
 
 error: aborting due to previous error
 
+For more information about this error, try `rustc --explain E0574`.

src/test/ui/issues/issue-21449.stderr

@@ -6,3 +6,4 @@ LL |     let myVar = MyMod { T: 0 };
 
 error: aborting due to previous error
 
+For more information about this error, try `rustc --explain E0574`.

src/test/ui/issues/issue-23189.stderr

@@ -6,3 +6,4 @@ LL |     let _ = module { x: 0 };
 
 error: aborting due to previous error
 
+For more information about this error, try `rustc --explain E0574`.

src/test/ui/issues/issue-26459.stderr

@@ -6,3 +6,4 @@ LL |         char{ch} => true
 
 error: aborting due to previous error
 
+For more information about this error, try `rustc --explain E0574`.

src/test/ui/issues/issue-27815.stderr

@@ -24,3 +24,4 @@ LL |         u32 { x: 1 } => {}
 
 error: aborting due to 4 previous errors
 
+For more information about this error, try `rustc --explain E0574`.

src/test/ui/lexical-scopes.stderr

@@ -16,4 +16,5 @@ LL |     Foo::f();
 
 error: aborting due to 2 previous errors
 
-For more information about this error, try `rustc --explain E0599`.
+Some errors have detailed explanations: E0574, E0599.
+For more information about an error, try `rustc --explain E0574`.

src/test/ui/resolve/issue-16058.stderr

@@ -14,3 +14,4 @@ LL | use std::thread::Result;
 
 error: aborting due to previous error
 
+For more information about this error, try `rustc --explain E0574`.

src/test/ui/traits/trait-as-struct-constructor.stderr

@@ -6,3 +6,4 @@ LL |     TraitNotAStruct{ value: 0 };
 
 error: aborting due to previous error
 
+For more information about this error, try `rustc --explain E0574`.

src/test/ui/try-block/try-block-in-edition2015.stderr

@@ -21,3 +21,4 @@ LL |     let try_result: Option<_> = try {
 
 error: aborting due to 2 previous errors
 
+For more information about this error, try `rustc --explain E0574`.

src/test/ui/use/issue-18986.stderr

@@ -6,3 +6,4 @@ LL |         Trait { x: 42 } => ()
 
 error: aborting due to previous error
 
+For more information about this error, try `rustc --explain E0574`.