Re-run tests with --bless

src/test/ui/empty/empty-macro-use.stderr

@@ -3,6 +3,9 @@ error: cannot find macro `macro_two` in this scope
    |
 LL |     macro_two!();
    |     ^^^^^^^^^
+   |
+   = note: consider importing this macro:
+           two_macros::macro_two
 
 error: aborting due to previous error
 

src/test/ui/hygiene/no_implicit_prelude-2018.stderr

@@ -3,6 +3,9 @@ error: cannot find macro `print` in this scope
    |
 LL |         print!();
    |         ^^^^^
+   |
+   = note: consider importing this macro:
+           std::print
 
 error: aborting due to previous error
 

src/test/ui/hygiene/no_implicit_prelude.stderr

@@ -4,6 +4,9 @@ error: cannot find macro `panic` in this scope
 LL |         assert_eq!(0, 0);
    |         ^^^^^^^^^^^^^^^^^
    |
+   = note: consider importing one of these items:
+           core::panic
+           std::panic
    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error[E0433]: failed to resolve: use of undeclared type `Vec`

src/test/ui/issues/issue-11692-2.stderr

@@ -3,6 +3,9 @@ error: cannot find macro `test` in this scope
    |
 LL |     concat!(test!());
    |             ^^^^
+   |
+   = note: consider importing this attribute macro:
+           std::prelude::v1::test
 
 error: aborting due to previous error
 

src/test/ui/macros/macro-use-wrong-name.stderr

@@ -8,6 +8,9 @@ LL |     macro_two!();
    |
 LL | macro_rules! macro_one { () => ("one") }
    | ---------------------- similarly named macro `macro_one` defined here
+   |
+   = note: consider importing this macro:
+           two_macros::macro_two
 
 error: aborting due to previous error
 

src/test/ui/missing/missing-macro-use.stderr

@@ -3,6 +3,9 @@ error: cannot find macro `macro_two` in this scope
    |
 LL |     macro_two!();
    |     ^^^^^^^^^
+   |
+   = note: consider importing this macro:
+           two_macros::macro_two
 
 error: aborting due to previous error
 

src/test/ui/proc-macro/derive-helper-shadowing.stderr

@@ -16,6 +16,8 @@ error: cannot find attribute `empty_helper` in this scope
 LL |             #[derive(GenHelperUse)]
    |                      ^^^^^^^^^^^^
    |
+   = note: consider importing this attribute macro:
+           empty_helper
    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error: cannot find attribute `empty_helper` in this scope
@@ -27,6 +29,8 @@ LL |         #[empty_helper]
 LL |             gen_helper_use!();
    |             ------------------ in this macro invocation
    |
+   = note: consider importing this attribute macro:
+           crate::empty_helper
    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error[E0659]: `empty_helper` is ambiguous (name vs any other name during import resolution)

src/test/ui/proc-macro/macro-namespace-reserved-2.stderr

@@ -93,12 +93,18 @@ error: cannot find macro `my_macro_attr` in this scope
    |
 LL |     my_macro_attr!();
    |     ^^^^^^^^^^^^^
+   |
+   = note: consider importing this attribute macro:
+           my_macro_attr
 
 error: cannot find macro `MyTrait` in this scope
   --> $DIR/macro-namespace-reserved-2.rs:33:5
    |
 LL |     MyTrait!();
    |     ^^^^^^^
+   |
+   = note: consider importing this derive macro:
+           MyTrait
 
 error: cannot find attribute `my_macro` in this scope
   --> $DIR/macro-namespace-reserved-2.rs:38:3