Add structured suggestions for trait imports

3 files changed, 44 insertions, 22 deletions

diff --git a/src/test/ui/impl-trait/no-method-suggested-traits.stderr b/src/test/ui/impl-trait/no-method-suggested-traits.stderr
index 23f115858cd..793e1c66683 100644
--- a/src/test/ui/impl-trait/no-method-suggested-traits.stderr
+++ b/src/test/ui/impl-trait/no-method-suggested-traits.stderr
@@ -5,11 +5,16 @@ error[E0599]: no method named `method` found for type `u32` in the current scope
    |          ^^^^^^
    |
    = help: items from traits can only be used if the trait is in scope
-   = note: the following traits are implemented but not in scope, perhaps add a `use` for one of them:
-           candidate #1: `use foo::Bar;`
-           candidate #2: `use no_method_suggested_traits::foo::PubPub;`
-           candidate #3: `use no_method_suggested_traits::qux::PrivPub;`
-           candidate #4: `use no_method_suggested_traits::Reexported;`
+help: the following traits are implemented but not in scope, perhaps add a `use` for one of them:
+   |
+14 | use foo::Bar;
+   |
+14 | use no_method_suggested_traits::foo::PubPub;
+   |
+14 | use no_method_suggested_traits::qux::PrivPub;
+   |
+14 | use no_method_suggested_traits::Reexported;
+   |
 
 error[E0599]: no method named `method` found for type `std::rc::Rc<&mut std::boxed::Box<&u32>>` in the current scope
   --> $DIR/no-method-suggested-traits.rs:38:44
@@ -18,11 +23,16 @@ error[E0599]: no method named `method` found for type `std::rc::Rc<&mut std::box
    |                                            ^^^^^^
    |
    = help: items from traits can only be used if the trait is in scope
-   = note: the following traits are implemented but not in scope, perhaps add a `use` for one of them:
-           candidate #1: `use foo::Bar;`
-           candidate #2: `use no_method_suggested_traits::foo::PubPub;`
-           candidate #3: `use no_method_suggested_traits::qux::PrivPub;`
-           candidate #4: `use no_method_suggested_traits::Reexported;`
+help: the following traits are implemented but not in scope, perhaps add a `use` for one of them:
+   |
+14 | use foo::Bar;
+   |
+14 | use no_method_suggested_traits::foo::PubPub;
+   |
+14 | use no_method_suggested_traits::qux::PrivPub;
+   |
+14 | use no_method_suggested_traits::Reexported;
+   |
 
 error[E0599]: no method named `method` found for type `char` in the current scope
   --> $DIR/no-method-suggested-traits.rs:44:9
@@ -31,8 +41,10 @@ error[E0599]: no method named `method` found for type `char` in the current scop
    |         ^^^^^^
    |
    = help: items from traits can only be used if the trait is in scope
-   = note: the following trait is implemented but not in scope, perhaps add a `use` for it:
-           candidate #1: `use foo::Bar;`
+help: the following trait is implemented but not in scope, perhaps add a `use` for it:
+   |
+14 | use foo::Bar;
+   |
 
 error[E0599]: no method named `method` found for type `std::rc::Rc<&mut std::boxed::Box<&char>>` in the current scope
   --> $DIR/no-method-suggested-traits.rs:48:43
@@ -41,8 +53,10 @@ error[E0599]: no method named `method` found for type `std::rc::Rc<&mut std::box
    |                                           ^^^^^^
    |
    = help: items from traits can only be used if the trait is in scope
-   = note: the following trait is implemented but not in scope, perhaps add a `use` for it:
-           candidate #1: `use foo::Bar;`
+help: the following trait is implemented but not in scope, perhaps add a `use` for it:
+   |
+14 | use foo::Bar;
+   |
 
 error[E0599]: no method named `method` found for type `i32` in the current scope
   --> $DIR/no-method-suggested-traits.rs:53:10
@@ -51,8 +65,10 @@ error[E0599]: no method named `method` found for type `i32` in the current scope
    |          ^^^^^^
    |
    = help: items from traits can only be used if the trait is in scope
-   = note: the following trait is implemented but not in scope, perhaps add a `use` for it:
-           candidate #1: `use no_method_suggested_traits::foo::PubPub;`
+help: the following trait is implemented but not in scope, perhaps add a `use` for it:
+   |
+14 | use no_method_suggested_traits::foo::PubPub;
+   |
 
 error[E0599]: no method named `method` found for type `std::rc::Rc<&mut std::boxed::Box<&i32>>` in the current scope
   --> $DIR/no-method-suggested-traits.rs:57:44
@@ -61,8 +77,10 @@ error[E0599]: no method named `method` found for type `std::rc::Rc<&mut std::box
    |                                            ^^^^^^
    |
    = help: items from traits can only be used if the trait is in scope
-   = note: the following trait is implemented but not in scope, perhaps add a `use` for it:
-           candidate #1: `use no_method_suggested_traits::foo::PubPub;`
+help: the following trait is implemented but not in scope, perhaps add a `use` for it:
+   |
+14 | use no_method_suggested_traits::foo::PubPub;
+   |
 
 error[E0599]: no method named `method` found for type `Foo` in the current scope
   --> $DIR/no-method-suggested-traits.rs:62:9
diff --git a/src/test/ui/issue-35976.stderr b/src/test/ui/issue-35976.stderr
index 9fb67449734..84bdbe3c697 100644
--- a/src/test/ui/issue-35976.stderr
+++ b/src/test/ui/issue-35976.stderr
@@ -4,8 +4,10 @@ error: the `wait` method cannot be invoked on a trait object
 24 |     arg.wait();
    |         ^^^^
    |
-   = note: another candidate was found in the following trait, perhaps add a `use` for it:
-           candidate #1: `use private::Future;`
+help: another candidate was found in the following trait, perhaps add a `use` for it:
+   |
+11 | use private::Future;
+   |
 
 error: aborting due to previous error
 
diff --git a/src/test/ui/trait-method-private.stderr b/src/test/ui/trait-method-private.stderr
index c7a7b689edc..549c84b9b03 100644
--- a/src/test/ui/trait-method-private.stderr
+++ b/src/test/ui/trait-method-private.stderr
@@ -5,8 +5,10 @@ error[E0624]: method `method` is private
    |         ^^^^^^
    |
    = help: items from traits can only be used if the trait is in scope
-   = note: the following trait is implemented but not in scope, perhaps add a `use` for it:
-           candidate #1: `use inner::Bar;`
+help: the following trait is implemented but not in scope, perhaps add a `use` for it:
+   |
+11 | use inner::Bar;
+   |
 
 error: aborting due to previous error