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-rw-r--r--src/test/rustdoc-gui/escape-key.goml2
-rw-r--r--src/test/rustdoc-gui/impl-doc.goml6
-rw-r--r--src/test/rustdoc-gui/mobile.goml6
-rw-r--r--src/test/rustdoc-gui/rust-logo.goml21
-rw-r--r--src/test/rustdoc-gui/scrape-examples-button-focus.goml10
-rw-r--r--src/test/rustdoc-gui/sidebar.goml2
-rw-r--r--src/test/rustdoc-gui/type-declation-overflow.goml1
-rw-r--r--src/test/ui/associated-types/defaults-specialization.stderr8
-rw-r--r--src/test/ui/async-await/in-trait/async-example-desugared-boxed-in-trait.stderr4
-rw-r--r--src/test/ui/borrowck/regions-bound-missing-bound-in-impl.stderr8
-rw-r--r--src/test/ui/compare-method/bad-self-type.stderr12
-rw-r--r--src/test/ui/compare-method/issue-90444.stderr8
-rw-r--r--src/test/ui/compare-method/reordered-type-param.stderr4
-rw-r--r--src/test/ui/illegal-sized-bound/mutability-mismatch-arg.fixed9
-rw-r--r--src/test/ui/illegal-sized-bound/mutability-mismatch-arg.rs9
-rw-r--r--src/test/ui/illegal-sized-bound/mutability-mismatch-arg.stderr13
-rw-r--r--src/test/ui/illegal-sized-bound/mutability-mismatch.rs10
-rw-r--r--src/test/ui/illegal-sized-bound/mutability-mismatch.stderr18
-rw-r--r--src/test/ui/impl-trait/impl-generic-mismatch-ab.stderr4
-rw-r--r--src/test/ui/impl-trait/in-trait/method-signature-matches.stderr12
-rw-r--r--src/test/ui/impl-trait/in-trait/signature-mismatch.stderr4
-rw-r--r--src/test/ui/impl-trait/in-trait/specialization-broken.stderr4
-rw-r--r--src/test/ui/impl-trait/recursive-type-alias-impl-trait-declaration-too-subtle.stderr8
-rw-r--r--src/test/ui/impl-trait/trait_type.stderr4
-rw-r--r--src/test/ui/issues/issue-13033.rs4
-rw-r--r--src/test/ui/issues/issue-13033.stderr4
-rw-r--r--src/test/ui/issues/issue-15094.rs4
-rw-r--r--src/test/ui/issues/issue-15094.stderr4
-rw-r--r--src/test/ui/issues/issue-20225.stderr12
-rw-r--r--src/test/ui/issues/issue-21332.stderr4
-rw-r--r--src/test/ui/issues/issue-25386.rs1
-rw-r--r--src/test/ui/issues/issue-25386.stderr8
-rw-r--r--src/test/ui/issues/issue-37884.stderr4
-rw-r--r--src/test/ui/lifetimes/lifetime-mismatch-between-trait-and-impl.stderr4
-rw-r--r--src/test/ui/mismatched_types/E0053.stderr8
-rw-r--r--src/test/ui/mismatched_types/issue-74918-missing-lifetime.stderr4
-rw-r--r--src/test/ui/mismatched_types/issue-75361-mismatched-impl.stderr4
-rw-r--r--src/test/ui/mismatched_types/trait-impl-fn-incompatibility.stderr8
-rw-r--r--src/test/ui/parser/nested-bad-turbofish.rs3
-rw-r--r--src/test/ui/parser/nested-bad-turbofish.stderr11
-rw-r--r--src/test/ui/privacy/private-field-ty-err.rs20
-rw-r--r--src/test/ui/privacy/private-field-ty-err.stderr14
-rw-r--r--src/test/ui/suggestions/imm-ref-trait-object.rs2
-rw-r--r--src/test/ui/suggestions/imm-ref-trait-object.stderr8
-rw-r--r--src/test/ui/suggestions/issue-106443-sugg-clone-for-arg.rs23
-rw-r--r--src/test/ui/suggestions/issue-106443-sugg-clone-for-arg.stderr35
-rw-r--r--src/test/ui/suggestions/issue-106443-sugg-clone-for-bound.rs20
-rw-r--r--src/test/ui/suggestions/issue-106443-sugg-clone-for-bound.stderr29
-rw-r--r--src/test/ui/traits/impl-method-mismatch.rs4
-rw-r--r--src/test/ui/traits/impl-method-mismatch.stderr4
-rw-r--r--src/test/ui/traits/issue-35869.stderr16
-rw-r--r--src/test/ui/traits/matching-lifetimes.stderr8
-rw-r--r--src/test/ui/traits/param-without-lifetime-constraint.stderr4
-rw-r--r--src/test/ui/traits/self-without-lifetime-constraint.stderr4
-rw-r--r--src/test/ui/unsafe/unsafe-trait-impl.rs4
-rw-r--r--src/test/ui/unsafe/unsafe-trait-impl.stderr4
-rw-r--r--src/test/ui/wrong-mul-method-signature.stderr12
57 files changed, 338 insertions, 147 deletions
diff --git a/src/test/rustdoc-gui/escape-key.goml b/src/test/rustdoc-gui/escape-key.goml
index 78e9f23093e..5d80d24969d 100644
--- a/src/test/rustdoc-gui/escape-key.goml
+++ b/src/test/rustdoc-gui/escape-key.goml
@@ -5,7 +5,7 @@ goto: "file://" + |DOC_PATH| + "/test_docs/index.html"
 write: (".search-input", "test")
 // To be SURE that the search will be run.
 press-key: 'Enter'
-wait-for: "#search h1" // The search element is empty before the first search 
+wait-for: "#search h1" // The search element is empty before the first search
 // Check that the currently displayed element is search.
 wait-for: "#alternative-display #search"
 assert-attribute: ("#main-content", {"class": "content hidden"})
diff --git a/src/test/rustdoc-gui/impl-doc.goml b/src/test/rustdoc-gui/impl-doc.goml
index 7322032b3f5..6caffb9c39f 100644
--- a/src/test/rustdoc-gui/impl-doc.goml
+++ b/src/test/rustdoc-gui/impl-doc.goml
@@ -3,7 +3,7 @@ goto: "file://" + |DOC_PATH| + "/test_docs/struct.TypeWithImplDoc.html"
 
 // The text is about 24px tall, so if there's a margin, then their position will be >24px apart
 compare-elements-position-near-false: (
-	"#implementations-list > .implementors-toggle > .docblock > p",
-	"#implementations-list > .implementors-toggle > .impl-items",
-	{"y": 24}
+    "#implementations-list > .implementors-toggle > .docblock > p",
+    "#implementations-list > .implementors-toggle > .impl-items",
+    {"y": 24}
 )
diff --git a/src/test/rustdoc-gui/mobile.goml b/src/test/rustdoc-gui/mobile.goml
index 704542a39d2..895864d8944 100644
--- a/src/test/rustdoc-gui/mobile.goml
+++ b/src/test/rustdoc-gui/mobile.goml
@@ -27,4 +27,8 @@ assert-css-false: (".content .out-of-band .since::before", { "content": "\"Since
 goto: "file://" + |DOC_PATH| + "/settings.html"
 size: (400, 600)
 // Ignored for now https://github.com/rust-lang/rust/issues/93784.
-// compare-elements-position-near-false: ("#preferred-light-theme .setting-name", "#preferred-light-theme .choice", {"y": 16})
+// compare-elements-position-near-false: (
+//     "#preferred-light-theme .setting-name",
+//     "#preferred-light-theme .choice",
+//     {"y": 16},
+// )
diff --git a/src/test/rustdoc-gui/rust-logo.goml b/src/test/rustdoc-gui/rust-logo.goml
index e94dc9a964d..2d15e8b9699 100644
--- a/src/test/rustdoc-gui/rust-logo.goml
+++ b/src/test/rustdoc-gui/rust-logo.goml
@@ -31,13 +31,28 @@ define-function: (
 
 call-function: (
     "check-logo",
-    ("ayu", "drop-shadow(rgb(255, 255, 255) 1px 0px 0px) drop-shadow(rgb(255, 255, 255) 0px 1px 0px) drop-shadow(rgb(255, 255, 255) -1px 0px 0px) drop-shadow(rgb(255, 255, 255) 0px -1px 0px)"),
+    {
+        "theme": "ayu",
+        "filter": "drop-shadow(rgb(255, 255, 255) 1px 0px 0px) " +
+            "drop-shadow(rgb(255, 255, 255) 0px 1px 0px) " +
+            "drop-shadow(rgb(255, 255, 255) -1px 0px 0px) " +
+            "drop-shadow(rgb(255, 255, 255) 0px -1px 0px)",
+    },
 )
 call-function: (
     "check-logo",
-    ("dark", "drop-shadow(rgb(255, 255, 255) 1px 0px 0px) drop-shadow(rgb(255, 255, 255) 0px 1px 0px) drop-shadow(rgb(255, 255, 255) -1px 0px 0px) drop-shadow(rgb(255, 255, 255) 0px -1px 0px)"),
+    {
+        "theme": "dark",
+        "filter": "drop-shadow(rgb(255, 255, 255) 1px 0px 0px) " +
+            "drop-shadow(rgb(255, 255, 255) 0px 1px 0px) " +
+            "drop-shadow(rgb(255, 255, 255) -1px 0px 0px) " +
+            "drop-shadow(rgb(255, 255, 255) 0px -1px 0px)",
+    },
 )
 call-function: (
     "check-logo",
-    ("light", "none"),
+    {
+        "theme": "light",
+        "filter": "none",
+    },
 )
diff --git a/src/test/rustdoc-gui/scrape-examples-button-focus.goml b/src/test/rustdoc-gui/scrape-examples-button-focus.goml
index bba518db099..10651a3f669 100644
--- a/src/test/rustdoc-gui/scrape-examples-button-focus.goml
+++ b/src/test/rustdoc-gui/scrape-examples-button-focus.goml
@@ -5,25 +5,25 @@ store-property: (initialScrollTop, ".scraped-example-list > .scraped-example pre
 focus: ".scraped-example-list > .scraped-example .next"
 press-key: "Enter"
 assert-property-false: (".scraped-example-list > .scraped-example pre", {
-	"scrollTop": |initialScrollTop|
+    "scrollTop": |initialScrollTop|
 })
 focus: ".scraped-example-list > .scraped-example .prev"
 press-key: "Enter"
 assert-property: (".scraped-example-list > .scraped-example pre", {
-	"scrollTop": |initialScrollTop|
+    "scrollTop": |initialScrollTop|
 })
 
 // The expand button increases the scrollHeight of the minimized code viewport
 store-property: (smallOffsetHeight, ".scraped-example-list > .scraped-example pre", "offsetHeight")
 assert-property-false: (".scraped-example-list > .scraped-example pre", {
-	"scrollHeight": |smallOffsetHeight|
+    "scrollHeight": |smallOffsetHeight|
 })
 focus: ".scraped-example-list > .scraped-example .expand"
 press-key: "Enter"
 assert-property-false: (".scraped-example-list > .scraped-example pre", {
-	"offsetHeight": |smallOffsetHeight|
+    "offsetHeight": |smallOffsetHeight|
 })
 store-property: (fullOffsetHeight, ".scraped-example-list > .scraped-example pre", "offsetHeight")
 assert-property: (".scraped-example-list > .scraped-example pre", {
-	"scrollHeight": |fullOffsetHeight|
+    "scrollHeight": |fullOffsetHeight|
 })
diff --git a/src/test/rustdoc-gui/sidebar.goml b/src/test/rustdoc-gui/sidebar.goml
index 9db7f59695b..9c742be0587 100644
--- a/src/test/rustdoc-gui/sidebar.goml
+++ b/src/test/rustdoc-gui/sidebar.goml
@@ -148,4 +148,4 @@ assert-text: ("#toggle-all-docs", "[+]")
 assert-property: (".sidebar", {"clientWidth": "200"})
 click: "#toggle-all-docs"
 assert-text: ("#toggle-all-docs", "[−]")
-assert-property: (".sidebar", {"clientWidth": "200"})
\ No newline at end of file
+assert-property: (".sidebar", {"clientWidth": "200"})
diff --git a/src/test/rustdoc-gui/type-declation-overflow.goml b/src/test/rustdoc-gui/type-declation-overflow.goml
index c014eb52e71..9b60bc04738 100644
--- a/src/test/rustdoc-gui/type-declation-overflow.goml
+++ b/src/test/rustdoc-gui/type-declation-overflow.goml
@@ -1,3 +1,4 @@
+// ignore-tidy-linelength
 // This test ensures that the items declaration content overflow is handled inside the <pre> directly.
 
 // We need to disable this check because
diff --git a/src/test/ui/associated-types/defaults-specialization.stderr b/src/test/ui/associated-types/defaults-specialization.stderr
index 8df326351fa..7e21f7fc306 100644
--- a/src/test/ui/associated-types/defaults-specialization.stderr
+++ b/src/test/ui/associated-types/defaults-specialization.stderr
@@ -22,8 +22,8 @@ note: type in trait
    |
 LL |     fn make() -> Self::Ty {
    |                  ^^^^^^^^
-   = note: expected fn pointer `fn() -> <A<T> as Tr>::Ty`
-              found fn pointer `fn() -> u8`
+   = note: expected signature `fn() -> <A<T> as Tr>::Ty`
+              found signature `fn() -> u8`
 
 error[E0053]: method `make` has an incompatible type for trait
   --> $DIR/defaults-specialization.rs:35:18
@@ -42,8 +42,8 @@ note: type in trait
    |
 LL |     fn make() -> Self::Ty {
    |                  ^^^^^^^^
-   = note: expected fn pointer `fn() -> <B<T> as Tr>::Ty`
-              found fn pointer `fn() -> bool`
+   = note: expected signature `fn() -> <B<T> as Tr>::Ty`
+              found signature `fn() -> bool`
 
 error[E0308]: mismatched types
   --> $DIR/defaults-specialization.rs:10:9
diff --git a/src/test/ui/async-await/in-trait/async-example-desugared-boxed-in-trait.stderr b/src/test/ui/async-await/in-trait/async-example-desugared-boxed-in-trait.stderr
index 22d2928f2f5..13e7222551a 100644
--- a/src/test/ui/async-await/in-trait/async-example-desugared-boxed-in-trait.stderr
+++ b/src/test/ui/async-await/in-trait/async-example-desugared-boxed-in-trait.stderr
@@ -9,8 +9,8 @@ note: type in trait
    |
 LL |     fn foo(&self) -> Pin<Box<dyn Future<Output = i32> + '_>>;
    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   = note: expected fn pointer `fn(&i32) -> Pin<Box<dyn Future<Output = i32>>>`
-              found fn pointer `fn(&i32) -> impl Future<Output = i32>`
+   = note: expected signature `fn(&i32) -> Pin<Box<dyn Future<Output = i32>>>`
+              found signature `fn(&i32) -> impl Future<Output = i32>`
 
 error: aborting due to previous error
 
diff --git a/src/test/ui/borrowck/regions-bound-missing-bound-in-impl.stderr b/src/test/ui/borrowck/regions-bound-missing-bound-in-impl.stderr
index 1e3b071ef92..930fea9158d 100644
--- a/src/test/ui/borrowck/regions-bound-missing-bound-in-impl.stderr
+++ b/src/test/ui/borrowck/regions-bound-missing-bound-in-impl.stderr
@@ -22,8 +22,8 @@ error[E0308]: method not compatible with trait
 LL |     fn wrong_bound1<'b,'c,'d:'a+'c>(self, b: Inv<'b>, c: Inv<'c>, d: Inv<'d>) {
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ lifetime mismatch
    |
-   = note: expected fn pointer `fn(&'a isize, Inv<'c>, Inv<'c>, Inv<'_>)`
-              found fn pointer `fn(&'a isize, Inv<'_>, Inv<'c>, Inv<'_>)`
+   = note: expected signature `fn(&'a isize, Inv<'c>, Inv<'c>, Inv<'_>)`
+              found signature `fn(&'a isize, Inv<'_>, Inv<'c>, Inv<'_>)`
 note: the lifetime `'c` as defined here...
   --> $DIR/regions-bound-missing-bound-in-impl.rs:27:24
    |
@@ -41,8 +41,8 @@ error[E0308]: method not compatible with trait
 LL |     fn wrong_bound1<'b,'c,'d:'a+'c>(self, b: Inv<'b>, c: Inv<'c>, d: Inv<'d>) {
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ lifetime mismatch
    |
-   = note: expected fn pointer `fn(&'a isize, Inv<'c>, Inv<'c>, Inv<'_>)`
-              found fn pointer `fn(&'a isize, Inv<'_>, Inv<'c>, Inv<'_>)`
+   = note: expected signature `fn(&'a isize, Inv<'c>, Inv<'c>, Inv<'_>)`
+              found signature `fn(&'a isize, Inv<'_>, Inv<'c>, Inv<'_>)`
 note: the lifetime `'c` as defined here...
   --> $DIR/regions-bound-missing-bound-in-impl.rs:27:24
    |
diff --git a/src/test/ui/compare-method/bad-self-type.stderr b/src/test/ui/compare-method/bad-self-type.stderr
index 90e907157a5..cad942e646e 100644
--- a/src/test/ui/compare-method/bad-self-type.stderr
+++ b/src/test/ui/compare-method/bad-self-type.stderr
@@ -7,8 +7,8 @@ LL |     fn poll(self, _: &mut Context<'_>) -> Poll<()> {
    |             expected struct `Pin`, found struct `MyFuture`
    |             help: change the self-receiver type to match the trait: `self: Pin<&mut MyFuture>`
    |
-   = note: expected fn pointer `fn(Pin<&mut MyFuture>, &mut Context<'_>) -> Poll<_>`
-              found fn pointer `fn(MyFuture, &mut Context<'_>) -> Poll<_>`
+   = note: expected signature `fn(Pin<&mut MyFuture>, &mut Context<'_>) -> Poll<_>`
+              found signature `fn(MyFuture, &mut Context<'_>) -> Poll<_>`
 
 error[E0053]: method `foo` has an incompatible type for trait
   --> $DIR/bad-self-type.rs:22:18
@@ -24,8 +24,8 @@ note: type in trait
    |
 LL |     fn foo(self);
    |            ^^^^
-   = note: expected fn pointer `fn(MyFuture)`
-              found fn pointer `fn(Box<MyFuture>)`
+   = note: expected signature `fn(MyFuture)`
+              found signature `fn(Box<MyFuture>)`
 
 error[E0053]: method `bar` has an incompatible type for trait
   --> $DIR/bad-self-type.rs:24:18
@@ -38,8 +38,8 @@ note: type in trait
    |
 LL |     fn bar(self) -> Option<()>;
    |                     ^^^^^^^^^^
-   = note: expected fn pointer `fn(MyFuture) -> Option<()>`
-              found fn pointer `fn(MyFuture)`
+   = note: expected signature `fn(MyFuture) -> Option<()>`
+              found signature `fn(MyFuture)`
 help: change the output type to match the trait
    |
 LL |     fn bar(self) -> Option<()> {}
diff --git a/src/test/ui/compare-method/issue-90444.stderr b/src/test/ui/compare-method/issue-90444.stderr
index ee63f34b799..52e23d03b14 100644
--- a/src/test/ui/compare-method/issue-90444.stderr
+++ b/src/test/ui/compare-method/issue-90444.stderr
@@ -7,8 +7,8 @@ LL |     fn from(_: fn((), (), &mut ())) -> Self {
    |                types differ in mutability
    |                help: change the parameter type to match the trait: `for<'a> fn((), (), &'a ())`
    |
-   = note: expected fn pointer `fn(for<'a> fn((), (), &'a ())) -> A`
-              found fn pointer `fn(for<'a> fn((), (), &'a mut ())) -> A`
+   = note: expected signature `fn(for<'a> fn((), (), &'a ())) -> A`
+              found signature `fn(for<'a> fn((), (), &'a mut ())) -> A`
 
 error[E0053]: method `from` has an incompatible type for trait
   --> $DIR/issue-90444.rs:11:16
@@ -19,8 +19,8 @@ LL |     fn from(_: fn((), (), u64)) -> Self {
    |                expected `u32`, found `u64`
    |                help: change the parameter type to match the trait: `fn((), (), u32)`
    |
-   = note: expected fn pointer `fn(fn((), (), u32)) -> B`
-              found fn pointer `fn(fn((), (), u64)) -> B`
+   = note: expected signature `fn(fn((), (), u32)) -> B`
+              found signature `fn(fn((), (), u64)) -> B`
 
 error: aborting due to 2 previous errors
 
diff --git a/src/test/ui/compare-method/reordered-type-param.stderr b/src/test/ui/compare-method/reordered-type-param.stderr
index 49b5b1b92cd..1552d542d15 100644
--- a/src/test/ui/compare-method/reordered-type-param.stderr
+++ b/src/test/ui/compare-method/reordered-type-param.stderr
@@ -14,8 +14,8 @@ note: type in trait
    |
 LL |   fn b<C:Clone,D>(&self, x: C) -> C;
    |                             ^
-   = note: expected fn pointer `fn(&E, F) -> F`
-              found fn pointer `fn(&E, G) -> G`
+   = note: expected signature `fn(&E, F) -> F`
+              found signature `fn(&E, G) -> G`
    = note: a type parameter was expected, but a different one was found; you might be missing a type parameter or trait bound
    = note: for more information, visit https://doc.rust-lang.org/book/ch10-02-traits.html#traits-as-parameters
 
diff --git a/src/test/ui/illegal-sized-bound/mutability-mismatch-arg.fixed b/src/test/ui/illegal-sized-bound/mutability-mismatch-arg.fixed
new file mode 100644
index 00000000000..74f3c887f02
--- /dev/null
+++ b/src/test/ui/illegal-sized-bound/mutability-mismatch-arg.fixed
@@ -0,0 +1,9 @@
+// run-rustfix
+fn test(t: &mut dyn Iterator<Item=&u64>) -> u64 {
+     *t.min().unwrap() //~ ERROR the `min` method cannot be invoked on
+}
+
+fn main() {
+     let array = [0u64];
+     test(&mut array.iter());
+}
diff --git a/src/test/ui/illegal-sized-bound/mutability-mismatch-arg.rs b/src/test/ui/illegal-sized-bound/mutability-mismatch-arg.rs
new file mode 100644
index 00000000000..3b02c5a5ad1
--- /dev/null
+++ b/src/test/ui/illegal-sized-bound/mutability-mismatch-arg.rs
@@ -0,0 +1,9 @@
+// run-rustfix
+fn test(t: &dyn Iterator<Item=&u64>) -> u64 {
+     *t.min().unwrap() //~ ERROR the `min` method cannot be invoked on
+}
+
+fn main() {
+     let array = [0u64];
+     test(&mut array.iter());
+}
diff --git a/src/test/ui/illegal-sized-bound/mutability-mismatch-arg.stderr b/src/test/ui/illegal-sized-bound/mutability-mismatch-arg.stderr
new file mode 100644
index 00000000000..89613bd5c20
--- /dev/null
+++ b/src/test/ui/illegal-sized-bound/mutability-mismatch-arg.stderr
@@ -0,0 +1,13 @@
+error: the `min` method cannot be invoked on `&dyn Iterator<Item = &u64>`
+  --> $DIR/mutability-mismatch-arg.rs:3:9
+   |
+LL |      *t.min().unwrap()
+   |         ^^^
+   |
+help: you need `&mut dyn Iterator<Item = &u64>` instead of `&dyn Iterator<Item = &u64>`
+   |
+LL | fn test(t: &mut dyn Iterator<Item=&u64>) -> u64 {
+   |             +++
+
+error: aborting due to previous error
+
diff --git a/src/test/ui/illegal-sized-bound/mutability-mismatch.rs b/src/test/ui/illegal-sized-bound/mutability-mismatch.rs
index deb84f6fe97..01bb3537c2d 100644
--- a/src/test/ui/illegal-sized-bound/mutability-mismatch.rs
+++ b/src/test/ui/illegal-sized-bound/mutability-mismatch.rs
@@ -4,7 +4,6 @@ pub trait MutTrait {
     fn function(&mut self)
     where
         Self: Sized;
-    //~^ this has a `Sized` requirement
 }
 
 impl MutTrait for MutType {
@@ -17,7 +16,6 @@ pub trait Trait {
     fn function(&self)
     where
         Self: Sized;
-    //~^ this has a `Sized` requirement
 }
 
 impl Trait for Type {
@@ -26,9 +24,9 @@ impl Trait for Type {
 
 fn main() {
     (&MutType as &dyn MutTrait).function();
-    //~^ ERROR the `function` method cannot be invoked on a trait object
-    //~| NOTE you need `&mut dyn MutTrait` instead of `&dyn MutTrait`
+    //~^ ERROR the `function` method cannot be invoked on `&dyn MutTrait`
+    //~| HELP you need `&mut dyn MutTrait` instead of `&dyn MutTrait`
     (&mut Type as &mut dyn Trait).function();
-    //~^ ERROR the `function` method cannot be invoked on a trait object
-    //~| NOTE you need `&dyn Trait` instead of `&mut dyn Trait`
+    //~^ ERROR the `function` method cannot be invoked on `&mut dyn Trait`
+    //~| HELP you need `&dyn Trait` instead of `&mut dyn Trait`
 }
diff --git a/src/test/ui/illegal-sized-bound/mutability-mismatch.stderr b/src/test/ui/illegal-sized-bound/mutability-mismatch.stderr
index dbbf79a4f1a..2ca571d9b79 100644
--- a/src/test/ui/illegal-sized-bound/mutability-mismatch.stderr
+++ b/src/test/ui/illegal-sized-bound/mutability-mismatch.stderr
@@ -1,24 +1,18 @@
-error: the `function` method cannot be invoked on a trait object
-  --> $DIR/mutability-mismatch.rs:28:33
+error: the `function` method cannot be invoked on `&dyn MutTrait`
+  --> $DIR/mutability-mismatch.rs:26:33
    |
-LL |         Self: Sized;
-   |               ----- this has a `Sized` requirement
-...
 LL |     (&MutType as &dyn MutTrait).function();
    |                                 ^^^^^^^^
    |
-   = note: you need `&mut dyn MutTrait` instead of `&dyn MutTrait`
+   = help: you need `&mut dyn MutTrait` instead of `&dyn MutTrait`
 
-error: the `function` method cannot be invoked on a trait object
-  --> $DIR/mutability-mismatch.rs:31:35
+error: the `function` method cannot be invoked on `&mut dyn Trait`
+  --> $DIR/mutability-mismatch.rs:29:35
    |
-LL |         Self: Sized;
-   |               ----- this has a `Sized` requirement
-...
 LL |     (&mut Type as &mut dyn Trait).function();
    |                                   ^^^^^^^^
    |
-   = note: you need `&dyn Trait` instead of `&mut dyn Trait`
+   = help: you need `&dyn Trait` instead of `&mut dyn Trait`
 
 error: aborting due to 2 previous errors
 
diff --git a/src/test/ui/impl-trait/impl-generic-mismatch-ab.stderr b/src/test/ui/impl-trait/impl-generic-mismatch-ab.stderr
index acf768d5795..db97fc2bdc4 100644
--- a/src/test/ui/impl-trait/impl-generic-mismatch-ab.stderr
+++ b/src/test/ui/impl-trait/impl-generic-mismatch-ab.stderr
@@ -13,8 +13,8 @@ note: type in trait
    |
 LL |     fn foo<A: Debug>(&self, a: &A, b: &impl Debug);
    |                                ^^
-   = note: expected fn pointer `fn(&(), &B, &impl Debug)`
-              found fn pointer `fn(&(), &impl Debug, &B)`
+   = note: expected signature `fn(&(), &B, &impl Debug)`
+              found signature `fn(&(), &impl Debug, &B)`
    = note: a type parameter was expected, but a different one was found; you might be missing a type parameter or trait bound
    = note: for more information, visit https://doc.rust-lang.org/book/ch10-02-traits.html#traits-as-parameters
 
diff --git a/src/test/ui/impl-trait/in-trait/method-signature-matches.stderr b/src/test/ui/impl-trait/in-trait/method-signature-matches.stderr
index 2b32c52c829..4dfd772222e 100644
--- a/src/test/ui/impl-trait/in-trait/method-signature-matches.stderr
+++ b/src/test/ui/impl-trait/in-trait/method-signature-matches.stderr
@@ -12,8 +12,8 @@ note: type in trait
    |
 LL |     fn owo(x: ()) -> impl Sized;
    |               ^^
-   = note: expected fn pointer `fn(())`
-              found fn pointer `fn(u8)`
+   = note: expected signature `fn(())`
+              found signature `fn(u8)`
 
 error[E0053]: method `owo` has an incompatible type for trait
   --> $DIR/method-signature-matches.rs:20:21
@@ -39,8 +39,8 @@ note: type in trait
    |
 LL |     async fn owo(x: ()) {}
    |                     ^^
-   = note: expected fn pointer `fn(()) -> _`
-              found fn pointer `fn(u8) -> _`
+   = note: expected signature `fn(()) -> _`
+              found signature `fn(u8) -> _`
 
 error[E0050]: method `calm_down_please` has 3 parameters but the declaration in trait `TooMuch::calm_down_please` has 0
   --> $DIR/method-signature-matches.rs:29:28
@@ -75,8 +75,8 @@ note: type in trait
    |
 LL |     fn early<'early, T>(x: &'early T) -> impl Sized;
    |                            ^^^^^^^^^
-   = note: expected fn pointer `fn(&'early T)`
-              found fn pointer `fn(&())`
+   = note: expected signature `fn(&'early T)`
+              found signature `fn(&())`
 
 error: aborting due to 5 previous errors
 
diff --git a/src/test/ui/impl-trait/in-trait/signature-mismatch.stderr b/src/test/ui/impl-trait/in-trait/signature-mismatch.stderr
index 6663d7faa1e..e105660173b 100644
--- a/src/test/ui/impl-trait/in-trait/signature-mismatch.stderr
+++ b/src/test/ui/impl-trait/in-trait/signature-mismatch.stderr
@@ -7,8 +7,8 @@ LL |     fn async_fn(&self, buff: &[u8]) -> impl Future<Output = Vec<u8>>;
 LL |     fn async_fn<'a>(&self, buff: &'a [u8]) -> impl Future<Output = Vec<u8>> + 'a {
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ found `fn(&'1 Struct, &'2 [u8]) -> impl Future<Output = Vec<u8>> + '2`
    |
-   = note: expected `fn(&'1 Struct, &'2 [u8]) -> impl Future<Output = Vec<u8>> + 'static`
-              found `fn(&'1 Struct, &'2 [u8]) -> impl Future<Output = Vec<u8>> + '2`
+   = note: expected signature `fn(&'1 Struct, &'2 [u8]) -> impl Future<Output = Vec<u8>> + 'static`
+              found signature `fn(&'1 Struct, &'2 [u8]) -> impl Future<Output = Vec<u8>> + '2`
    = help: the lifetime requirements from the `impl` do not correspond to the requirements in the `trait`
    = help: verify the lifetime relationships in the `trait` and `impl` between the `self` argument, the other inputs and its output
 
diff --git a/src/test/ui/impl-trait/in-trait/specialization-broken.stderr b/src/test/ui/impl-trait/in-trait/specialization-broken.stderr
index a30e6346b29..37cfd74498d 100644
--- a/src/test/ui/impl-trait/in-trait/specialization-broken.stderr
+++ b/src/test/ui/impl-trait/in-trait/specialization-broken.stderr
@@ -15,8 +15,8 @@ note: type in trait
    |
 LL |     fn bar(&self) -> impl Sized;
    |                      ^^^^^^^^^^
-   = note: expected fn pointer `fn(&U) -> impl Sized`
-              found fn pointer `fn(&U) -> U`
+   = note: expected signature `fn(&U) -> impl Sized`
+              found signature `fn(&U) -> U`
 
 error: aborting due to previous error
 
diff --git a/src/test/ui/impl-trait/recursive-type-alias-impl-trait-declaration-too-subtle.stderr b/src/test/ui/impl-trait/recursive-type-alias-impl-trait-declaration-too-subtle.stderr
index 3ee26f74a78..c7c6ca44012 100644
--- a/src/test/ui/impl-trait/recursive-type-alias-impl-trait-declaration-too-subtle.stderr
+++ b/src/test/ui/impl-trait/recursive-type-alias-impl-trait-declaration-too-subtle.stderr
@@ -18,8 +18,8 @@ LL |         fn eq(&self, _other: &(Foo, i32)) -> bool {
    |                              expected struct `Bar`, found opaque type
    |                              help: change the parameter type to match the trait: `&(a::Bar, i32)`
    |
-   = note: expected fn pointer `fn(&a::Bar, &(a::Bar, i32)) -> _`
-              found fn pointer `fn(&a::Bar, &(a::Foo, i32)) -> _`
+   = note: expected signature `fn(&a::Bar, &(a::Bar, i32)) -> _`
+              found signature `fn(&a::Bar, &(a::Foo, i32)) -> _`
 
 error: unconstrained opaque type
   --> $DIR/recursive-type-alias-impl-trait-declaration-too-subtle.rs:18:16
@@ -41,8 +41,8 @@ LL |         fn eq(&self, _other: &(Bar, i32)) -> bool {
    |                              expected opaque type, found struct `Bar`
    |                              help: change the parameter type to match the trait: `&(b::Foo, i32)`
    |
-   = note: expected fn pointer `fn(&b::Bar, &(b::Foo, i32)) -> _`
-              found fn pointer `fn(&b::Bar, &(b::Bar, i32)) -> _`
+   = note: expected signature `fn(&b::Bar, &(b::Foo, i32)) -> _`
+              found signature `fn(&b::Bar, &(b::Bar, i32)) -> _`
 
 error: aborting due to 4 previous errors
 
diff --git a/src/test/ui/impl-trait/trait_type.stderr b/src/test/ui/impl-trait/trait_type.stderr
index bea24339837..81e4c933e53 100644
--- a/src/test/ui/impl-trait/trait_type.stderr
+++ b/src/test/ui/impl-trait/trait_type.stderr
@@ -7,8 +7,8 @@ LL |    fn fmt(&self, x: &str) -> () { }
    |                     types differ in mutability
    |                     help: change the parameter type to match the trait: `&mut Formatter<'_>`
    |
-   = note: expected fn pointer `fn(&MyType, &mut Formatter<'_>) -> Result<(), std::fmt::Error>`
-              found fn pointer `fn(&MyType, &str)`
+   = note: expected signature `fn(&MyType, &mut Formatter<'_>) -> Result<(), std::fmt::Error>`
+              found signature `fn(&MyType, &str)`
 
 error[E0050]: method `fmt` has 1 parameter but the declaration in trait `std::fmt::Display::fmt` has 2
   --> $DIR/trait_type.rs:12:11
diff --git a/src/test/ui/issues/issue-13033.rs b/src/test/ui/issues/issue-13033.rs
index 7631831a81a..fdb356e70c5 100644
--- a/src/test/ui/issues/issue-13033.rs
+++ b/src/test/ui/issues/issue-13033.rs
@@ -7,8 +7,8 @@ struct Baz;
 impl Foo for Baz {
     fn bar(&mut self, other: &dyn Foo) {}
     //~^ ERROR method `bar` has an incompatible type for trait
-    //~| expected fn pointer `fn(&mut Baz, &mut dyn Foo)`
-    //~| found fn pointer `fn(&mut Baz, &dyn Foo)`
+    //~| expected signature `fn(&mut Baz, &mut dyn Foo)`
+    //~| found signature `fn(&mut Baz, &dyn Foo)`
 }
 
 fn main() {}
diff --git a/src/test/ui/issues/issue-13033.stderr b/src/test/ui/issues/issue-13033.stderr
index 72e549813e8..db2c1189e1e 100644
--- a/src/test/ui/issues/issue-13033.stderr
+++ b/src/test/ui/issues/issue-13033.stderr
@@ -12,8 +12,8 @@ note: type in trait
    |
 LL |     fn bar(&mut self, other: &mut dyn Foo);
    |                              ^^^^^^^^^^^^
-   = note: expected fn pointer `fn(&mut Baz, &mut dyn Foo)`
-              found fn pointer `fn(&mut Baz, &dyn Foo)`
+   = note: expected signature `fn(&mut Baz, &mut dyn Foo)`
+              found signature `fn(&mut Baz, &dyn Foo)`
 
 error: aborting due to previous error
 
diff --git a/src/test/ui/issues/issue-15094.rs b/src/test/ui/issues/issue-15094.rs
index 71b75a6e7e0..cb27e2bcfb6 100644
--- a/src/test/ui/issues/issue-15094.rs
+++ b/src/test/ui/issues/issue-15094.rs
@@ -10,8 +10,8 @@ impl<T: fmt::Debug> ops::FnOnce<(),> for Debuger<T> {
     type Output = ();
     fn call_once(self, _args: ()) {
     //~^ ERROR `call_once` has an incompatible type for trait
-    //~| expected fn pointer `extern "rust-call" fn
-    //~| found fn pointer `fn
+    //~| expected signature `extern "rust-call" fn
+    //~| found signature `fn
         println!("{:?}", self.x);
     }
 }
diff --git a/src/test/ui/issues/issue-15094.stderr b/src/test/ui/issues/issue-15094.stderr
index 2dcdaba170a..b7c950892dc 100644
--- a/src/test/ui/issues/issue-15094.stderr
+++ b/src/test/ui/issues/issue-15094.stderr
@@ -4,8 +4,8 @@ error[E0053]: method `call_once` has an incompatible type for trait
 LL |     fn call_once(self, _args: ()) {
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected "rust-call" fn, found "Rust" fn
    |
-   = note: expected fn pointer `extern "rust-call" fn(Debuger<_>, ())`
-              found fn pointer `fn(Debuger<_>, ())`
+   = note: expected signature `extern "rust-call" fn(Debuger<_>, ())`
+              found signature `fn(Debuger<_>, ())`
 
 error: aborting due to previous error
 
diff --git a/src/test/ui/issues/issue-20225.stderr b/src/test/ui/issues/issue-20225.stderr
index 6f4813ca623..5822160107c 100644
--- a/src/test/ui/issues/issue-20225.stderr
+++ b/src/test/ui/issues/issue-20225.stderr
@@ -9,8 +9,8 @@ LL |   extern "rust-call" fn call(&self, (_,): (T,)) {}
    |                                           expected `&T`, found type parameter `T`
    |                                           help: change the parameter type to match the trait: `(&'a T,)`
    |
-   = note: expected fn pointer `extern "rust-call" fn(&Foo, (&'a T,))`
-              found fn pointer `extern "rust-call" fn(&Foo, (T,))`
+   = note: expected signature `extern "rust-call" fn(&Foo, (&'a T,))`
+              found signature `extern "rust-call" fn(&Foo, (T,))`
 
 error[E0053]: method `call_mut` has an incompatible type for trait
   --> $DIR/issue-20225.rs:11:51
@@ -23,8 +23,8 @@ LL |   extern "rust-call" fn call_mut(&mut self, (_,): (T,)) {}
    |                                                   expected `&T`, found type parameter `T`
    |                                                   help: change the parameter type to match the trait: `(&'a T,)`
    |
-   = note: expected fn pointer `extern "rust-call" fn(&mut Foo, (&'a T,))`
-              found fn pointer `extern "rust-call" fn(&mut Foo, (T,))`
+   = note: expected signature `extern "rust-call" fn(&mut Foo, (&'a T,))`
+              found signature `extern "rust-call" fn(&mut Foo, (T,))`
 
 error[E0053]: method `call_once` has an incompatible type for trait
   --> $DIR/issue-20225.rs:18:47
@@ -38,8 +38,8 @@ LL |   extern "rust-call" fn call_once(self, (_,): (T,)) {}
    |                                               expected `&T`, found type parameter `T`
    |                                               help: change the parameter type to match the trait: `(&'a T,)`
    |
-   = note: expected fn pointer `extern "rust-call" fn(Foo, (&'a T,))`
-              found fn pointer `extern "rust-call" fn(Foo, (T,))`
+   = note: expected signature `extern "rust-call" fn(Foo, (&'a T,))`
+              found signature `extern "rust-call" fn(Foo, (T,))`
 
 error: aborting due to 3 previous errors
 
diff --git a/src/test/ui/issues/issue-21332.stderr b/src/test/ui/issues/issue-21332.stderr
index d92966da17c..0e1beebf293 100644
--- a/src/test/ui/issues/issue-21332.stderr
+++ b/src/test/ui/issues/issue-21332.stderr
@@ -7,8 +7,8 @@ LL |     fn next(&mut self) -> Result<i32, i32> { Ok(7) }
    |                           expected enum `Option`, found enum `Result`
    |                           help: change the output type to match the trait: `Option<i32>`
    |
-   = note: expected fn pointer `fn(&mut S) -> Option<i32>`
-              found fn pointer `fn(&mut S) -> Result<i32, i32>`
+   = note: expected signature `fn(&mut S) -> Option<i32>`
+              found signature `fn(&mut S) -> Result<i32, i32>`
 
 error: aborting due to previous error
 
diff --git a/src/test/ui/issues/issue-25386.rs b/src/test/ui/issues/issue-25386.rs
index a76d8a615f6..b26cc77680d 100644
--- a/src/test/ui/issues/issue-25386.rs
+++ b/src/test/ui/issues/issue-25386.rs
@@ -24,5 +24,4 @@ macro_rules! check_ptr_exist {
 fn main() {
     let item = stuff::Item::new();
     println!("{}", check_ptr_exist!(item, name));
-    //~^ ERROR field `name` of struct `CObj` is private
 }
diff --git a/src/test/ui/issues/issue-25386.stderr b/src/test/ui/issues/issue-25386.stderr
index bce269393ee..727b9690829 100644
--- a/src/test/ui/issues/issue-25386.stderr
+++ b/src/test/ui/issues/issue-25386.stderr
@@ -9,12 +9,6 @@ LL |     println!("{}", check_ptr_exist!(item, name));
    |
    = note: this error originates in the macro `check_ptr_exist` (in Nightly builds, run with -Z macro-backtrace for more info)
 
-error[E0616]: field `name` of struct `CObj` is private
-  --> $DIR/issue-25386.rs:26:43
-   |
-LL |     println!("{}", check_ptr_exist!(item, name));
-   |                                           ^^^^ private field
-
-error: aborting due to 2 previous errors
+error: aborting due to previous error
 
 For more information about this error, try `rustc --explain E0616`.
diff --git a/src/test/ui/issues/issue-37884.stderr b/src/test/ui/issues/issue-37884.stderr
index e9f50b41f6a..7ddb36c8e6f 100644
--- a/src/test/ui/issues/issue-37884.stderr
+++ b/src/test/ui/issues/issue-37884.stderr
@@ -4,8 +4,8 @@ error[E0308]: method not compatible with trait
 LL |     fn next(&'a mut self) -> Option<Self::Item>
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ lifetime mismatch
    |
-   = note: expected fn pointer `fn(&mut RepeatMut<'a, T>) -> Option<_>`
-              found fn pointer `fn(&'a mut RepeatMut<'a, T>) -> Option<_>`
+   = note: expected signature `fn(&mut RepeatMut<'a, T>) -> Option<_>`
+              found signature `fn(&'a mut RepeatMut<'a, T>) -> Option<_>`
 note: the anonymous lifetime as defined here...
   --> $DIR/issue-37884.rs:6:5
    |
diff --git a/src/test/ui/lifetimes/lifetime-mismatch-between-trait-and-impl.stderr b/src/test/ui/lifetimes/lifetime-mismatch-between-trait-and-impl.stderr
index 3040a8512ce..9c61d5a0c25 100644
--- a/src/test/ui/lifetimes/lifetime-mismatch-between-trait-and-impl.stderr
+++ b/src/test/ui/lifetimes/lifetime-mismatch-between-trait-and-impl.stderr
@@ -7,8 +7,8 @@ LL |     fn foo<'a>(x: &i32, y: &'a i32) -> &'a i32;
 LL |     fn foo<'a>(x: &'a i32, y: &'a i32) -> &'a i32 {
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ found `fn(&'1 i32, &'1 i32) -> &'1 i32`
    |
-   = note: expected `fn(&'1 i32, &'a i32) -> &'a i32`
-              found `fn(&'1 i32, &'1 i32) -> &'1 i32`
+   = note: expected signature `fn(&'1 i32, &'a i32) -> &'a i32`
+              found signature `fn(&'1 i32, &'1 i32) -> &'1 i32`
    = help: the lifetime requirements from the `impl` do not correspond to the requirements in the `trait`
    = help: verify the lifetime relationships in the `trait` and `impl` between the `self` argument, the other inputs and its output
 
diff --git a/src/test/ui/mismatched_types/E0053.stderr b/src/test/ui/mismatched_types/E0053.stderr
index 54b41926451..154f2fcbee0 100644
--- a/src/test/ui/mismatched_types/E0053.stderr
+++ b/src/test/ui/mismatched_types/E0053.stderr
@@ -12,8 +12,8 @@ note: type in trait
    |
 LL |     fn foo(x: u16);
    |               ^^^
-   = note: expected fn pointer `fn(u16)`
-              found fn pointer `fn(i16)`
+   = note: expected signature `fn(u16)`
+              found signature `fn(i16)`
 
 error[E0053]: method `bar` has an incompatible type for trait
   --> $DIR/E0053.rs:11:12
@@ -29,8 +29,8 @@ note: type in trait
    |
 LL |     fn bar(&self);
    |            ^^^^^
-   = note: expected fn pointer `fn(&Bar)`
-              found fn pointer `fn(&mut Bar)`
+   = note: expected signature `fn(&Bar)`
+              found signature `fn(&mut Bar)`
 
 error: aborting due to 2 previous errors
 
diff --git a/src/test/ui/mismatched_types/issue-74918-missing-lifetime.stderr b/src/test/ui/mismatched_types/issue-74918-missing-lifetime.stderr
index b75c7a99fdd..9ddea162944 100644
--- a/src/test/ui/mismatched_types/issue-74918-missing-lifetime.stderr
+++ b/src/test/ui/mismatched_types/issue-74918-missing-lifetime.stderr
@@ -18,8 +18,8 @@ LL |     fn next(&mut self) -> Option<IteratorChunk<T, S>> {
    |
    = note: expected `fn(&'1 mut ChunkingIterator<T, S>) -> Option<IteratorChunk<'static, T, S>>`
    |
-   = note: expected `fn(&'1 mut ChunkingIterator<T, S>) -> Option<IteratorChunk<'static, T, S>>`
-              found `fn(&'1 mut ChunkingIterator<T, S>) -> Option<IteratorChunk<'1, T, S>>`
+   = note: expected signature `fn(&'1 mut ChunkingIterator<T, S>) -> Option<IteratorChunk<'static, T, S>>`
+              found signature `fn(&'1 mut ChunkingIterator<T, S>) -> Option<IteratorChunk<'1, T, S>>`
    = help: the lifetime requirements from the `impl` do not correspond to the requirements in the `trait`
    = help: verify the lifetime relationships in the `trait` and `impl` between the `self` argument, the other inputs and its output
 
diff --git a/src/test/ui/mismatched_types/issue-75361-mismatched-impl.stderr b/src/test/ui/mismatched_types/issue-75361-mismatched-impl.stderr
index 2a2c23c9421..88416ba4bb6 100644
--- a/src/test/ui/mismatched_types/issue-75361-mismatched-impl.stderr
+++ b/src/test/ui/mismatched_types/issue-75361-mismatched-impl.stderr
@@ -7,8 +7,8 @@ LL |   fn adjacent_edges(&self) -> Box<dyn MyTrait<Item = &Self::EdgeType>>;
 LL |   fn adjacent_edges(&self) -> Box<dyn MyTrait<Item = &Self::EdgeType> + '_> {
    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ found `fn(&'1 T) -> Box<(dyn MyTrait<Item = &'1 T> + '1)>`
    |
-   = note: expected `fn(&'1 T) -> Box<(dyn MyTrait<Item = &'1 T> + 'static)>`
-              found `fn(&'1 T) -> Box<(dyn MyTrait<Item = &'1 T> + '1)>`
+   = note: expected signature `fn(&'1 T) -> Box<(dyn MyTrait<Item = &'1 T> + 'static)>`
+              found signature `fn(&'1 T) -> Box<(dyn MyTrait<Item = &'1 T> + '1)>`
 help: the lifetime requirements from the `impl` do not correspond to the requirements in the `trait`
   --> $DIR/issue-75361-mismatched-impl.rs:12:55
    |
diff --git a/src/test/ui/mismatched_types/trait-impl-fn-incompatibility.stderr b/src/test/ui/mismatched_types/trait-impl-fn-incompatibility.stderr
index 6b2ba53daa0..6e7bf5eb46d 100644
--- a/src/test/ui/mismatched_types/trait-impl-fn-incompatibility.stderr
+++ b/src/test/ui/mismatched_types/trait-impl-fn-incompatibility.stderr
@@ -12,8 +12,8 @@ note: type in trait
    |
 LL |     fn foo(x: u16);
    |               ^^^
-   = note: expected fn pointer `fn(u16)`
-              found fn pointer `fn(i16)`
+   = note: expected signature `fn(u16)`
+              found signature `fn(i16)`
 
 error[E0053]: method `bar` has an incompatible type for trait
   --> $DIR/trait-impl-fn-incompatibility.rs:10:28
@@ -29,8 +29,8 @@ note: type in trait
    |
 LL |     fn bar(&mut self, bar: &mut Bar);
    |                            ^^^^^^^^
-   = note: expected fn pointer `fn(&mut Bar, &mut Bar)`
-              found fn pointer `fn(&mut Bar, &Bar)`
+   = note: expected signature `fn(&mut Bar, &mut Bar)`
+              found signature `fn(&mut Bar, &Bar)`
 
 error: aborting due to 2 previous errors
 
diff --git a/src/test/ui/parser/nested-bad-turbofish.rs b/src/test/ui/parser/nested-bad-turbofish.rs
new file mode 100644
index 00000000000..02099fde212
--- /dev/null
+++ b/src/test/ui/parser/nested-bad-turbofish.rs
@@ -0,0 +1,3 @@
+fn main() {
+    foo<<S as T>::V>(); //~ ERROR
+}
diff --git a/src/test/ui/parser/nested-bad-turbofish.stderr b/src/test/ui/parser/nested-bad-turbofish.stderr
new file mode 100644
index 00000000000..d82fa80e594
--- /dev/null
+++ b/src/test/ui/parser/nested-bad-turbofish.stderr
@@ -0,0 +1,11 @@
+error: comparison operators cannot be chained
+  --> $DIR/nested-bad-turbofish.rs:2:16
+   |
+LL |     foo<<S as T>::V>();
+   |                ^   ^
+   |
+   = help: use `::<...>` instead of `<...>` to specify lifetime, type, or const arguments
+   = help: or use `(...)` if you meant to specify fn arguments
+
+error: aborting due to previous error
+
diff --git a/src/test/ui/privacy/private-field-ty-err.rs b/src/test/ui/privacy/private-field-ty-err.rs
new file mode 100644
index 00000000000..10db6069567
--- /dev/null
+++ b/src/test/ui/privacy/private-field-ty-err.rs
@@ -0,0 +1,20 @@
+fn main() {
+    let x = foo::Foo::default();
+    if x.len {
+        //~^ ERROR field `len` of struct `Foo` is private
+        println!("foo");
+    }
+}
+
+mod foo {
+    #[derive(Default)]
+    pub struct Foo {
+        len: String,
+    }
+
+    impl Foo {
+        pub fn len(&self) -> usize {
+            42
+        }
+    }
+}
diff --git a/src/test/ui/privacy/private-field-ty-err.stderr b/src/test/ui/privacy/private-field-ty-err.stderr
new file mode 100644
index 00000000000..e583a25fd8f
--- /dev/null
+++ b/src/test/ui/privacy/private-field-ty-err.stderr
@@ -0,0 +1,14 @@
+error[E0616]: field `len` of struct `Foo` is private
+  --> $DIR/private-field-ty-err.rs:3:10
+   |
+LL |     if x.len {
+   |          ^^^ private field
+   |
+help: a method `len` also exists, call it with parentheses
+   |
+LL |     if x.len() {
+   |             ++
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0616`.
diff --git a/src/test/ui/suggestions/imm-ref-trait-object.rs b/src/test/ui/suggestions/imm-ref-trait-object.rs
index 288d6c699f5..c1c969b90e4 100644
--- a/src/test/ui/suggestions/imm-ref-trait-object.rs
+++ b/src/test/ui/suggestions/imm-ref-trait-object.rs
@@ -1,5 +1,5 @@
 fn test(t: &dyn Iterator<Item=&u64>) -> u64 {
-     t.min().unwrap() //~ ERROR the `min` method cannot be invoked on a trait object
+     t.min().unwrap() //~ ERROR the `min` method cannot be invoked on `&dyn Iterator<Item = &u64>`
 }
 
 fn main() {
diff --git a/src/test/ui/suggestions/imm-ref-trait-object.stderr b/src/test/ui/suggestions/imm-ref-trait-object.stderr
index 7791b308d5d..f7f7902c17d 100644
--- a/src/test/ui/suggestions/imm-ref-trait-object.stderr
+++ b/src/test/ui/suggestions/imm-ref-trait-object.stderr
@@ -1,13 +1,13 @@
-error: the `min` method cannot be invoked on a trait object
+error: the `min` method cannot be invoked on `&dyn Iterator<Item = &u64>`
   --> $DIR/imm-ref-trait-object.rs:2:8
    |
 LL |      t.min().unwrap()
    |        ^^^
-  --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL
    |
-   = note: this has a `Sized` requirement
+help: you need `&mut dyn Iterator<Item = &u64>` instead of `&dyn Iterator<Item = &u64>`
    |
-   = note: you need `&mut dyn Iterator<Item = &u64>` instead of `&dyn Iterator<Item = &u64>`
+LL | fn test(t: &mut dyn Iterator<Item=&u64>) -> u64 {
+   |             +++
 
 error: aborting due to previous error
 
diff --git a/src/test/ui/suggestions/issue-106443-sugg-clone-for-arg.rs b/src/test/ui/suggestions/issue-106443-sugg-clone-for-arg.rs
new file mode 100644
index 00000000000..48efdb82c46
--- /dev/null
+++ b/src/test/ui/suggestions/issue-106443-sugg-clone-for-arg.rs
@@ -0,0 +1,23 @@
+#[derive(Clone)]
+struct S;
+
+// without Clone
+struct T;
+
+fn foo(_: S) {}
+
+fn test1() {
+    let s = &S;
+    foo(s); //~ ERROR mismatched types
+}
+
+fn bar(_: T) {}
+fn test2() {
+    let t = &T;
+    bar(t); //~ ERROR mismatched types
+}
+
+fn main() {
+    test1();
+    test2();
+}
diff --git a/src/test/ui/suggestions/issue-106443-sugg-clone-for-arg.stderr b/src/test/ui/suggestions/issue-106443-sugg-clone-for-arg.stderr
new file mode 100644
index 00000000000..1e66fe3af24
--- /dev/null
+++ b/src/test/ui/suggestions/issue-106443-sugg-clone-for-arg.stderr
@@ -0,0 +1,35 @@
+error[E0308]: mismatched types
+  --> $DIR/issue-106443-sugg-clone-for-arg.rs:11:9
+   |
+LL |     foo(s);
+   |     --- ^ expected struct `S`, found `&S`
+   |     |
+   |     arguments to this function are incorrect
+   |
+note: function defined here
+  --> $DIR/issue-106443-sugg-clone-for-arg.rs:7:4
+   |
+LL | fn foo(_: S) {}
+   |    ^^^ ----
+help: consider using clone here
+   |
+LL |     foo(s.clone());
+   |          ++++++++
+
+error[E0308]: mismatched types
+  --> $DIR/issue-106443-sugg-clone-for-arg.rs:17:9
+   |
+LL |     bar(t);
+   |     --- ^ expected struct `T`, found `&T`
+   |     |
+   |     arguments to this function are incorrect
+   |
+note: function defined here
+  --> $DIR/issue-106443-sugg-clone-for-arg.rs:14:4
+   |
+LL | fn bar(_: T) {}
+   |    ^^^ ----
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0308`.
diff --git a/src/test/ui/suggestions/issue-106443-sugg-clone-for-bound.rs b/src/test/ui/suggestions/issue-106443-sugg-clone-for-bound.rs
new file mode 100644
index 00000000000..3b2e316b296
--- /dev/null
+++ b/src/test/ui/suggestions/issue-106443-sugg-clone-for-bound.rs
@@ -0,0 +1,20 @@
+#[derive(Clone)]
+struct S;
+
+trait X {}
+
+impl X for S {}
+
+fn foo<T: X>(_: T) {}
+fn bar<T: X>(s: &T) {
+    foo(s); //~ ERROR the trait bound `&T: X` is not satisfied
+}
+
+fn bar_with_clone<T: X + Clone>(s: &T) {
+    foo(s); //~ ERROR the trait bound `&T: X` is not satisfied
+}
+
+fn main() {
+    let s = &S;
+    bar(s);
+}
diff --git a/src/test/ui/suggestions/issue-106443-sugg-clone-for-bound.stderr b/src/test/ui/suggestions/issue-106443-sugg-clone-for-bound.stderr
new file mode 100644
index 00000000000..8607917ede6
--- /dev/null
+++ b/src/test/ui/suggestions/issue-106443-sugg-clone-for-bound.stderr
@@ -0,0 +1,29 @@
+error[E0277]: the trait bound `&T: X` is not satisfied
+  --> $DIR/issue-106443-sugg-clone-for-bound.rs:10:9
+   |
+LL |     foo(s);
+   |         ^ the trait `X` is not implemented for `&T`
+   |
+help: consider further restricting this bound
+   |
+LL | fn bar<T: X + Clone>(s: &T) {
+   |             +++++++
+help: consider using clone here
+   |
+LL |     foo(s.clone());
+   |          ++++++++
+
+error[E0277]: the trait bound `&T: X` is not satisfied
+  --> $DIR/issue-106443-sugg-clone-for-bound.rs:14:9
+   |
+LL |     foo(s);
+   |         ^ the trait `X` is not implemented for `&T`
+   |
+help: consider using clone here
+   |
+LL |     foo(s.clone());
+   |          ++++++++
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0277`.
diff --git a/src/test/ui/traits/impl-method-mismatch.rs b/src/test/ui/traits/impl-method-mismatch.rs
index 683b1c1aa43..62580755c81 100644
--- a/src/test/ui/traits/impl-method-mismatch.rs
+++ b/src/test/ui/traits/impl-method-mismatch.rs
@@ -6,8 +6,8 @@ impl Mumbo for usize {
     // Cannot have a larger effect than the trait:
     unsafe fn jumbo(&self, x: &usize) { *self + *x; }
     //~^ ERROR method `jumbo` has an incompatible type for trait
-    //~| expected fn pointer `fn
-    //~| found fn pointer `unsafe fn
+    //~| expected signature `fn
+    //~| found signature `unsafe fn
 }
 
 fn main() {}
diff --git a/src/test/ui/traits/impl-method-mismatch.stderr b/src/test/ui/traits/impl-method-mismatch.stderr
index 30aa97d2934..252b5aff96a 100644
--- a/src/test/ui/traits/impl-method-mismatch.stderr
+++ b/src/test/ui/traits/impl-method-mismatch.stderr
@@ -9,8 +9,8 @@ note: type in trait
    |
 LL |     fn jumbo(&self, x: &usize) -> usize;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   = note: expected fn pointer `fn(&usize, &usize) -> usize`
-              found fn pointer `unsafe fn(&usize, &usize)`
+   = note: expected signature `fn(&usize, &usize) -> usize`
+              found signature `unsafe fn(&usize, &usize)`
 
 error: aborting due to previous error
 
diff --git a/src/test/ui/traits/issue-35869.stderr b/src/test/ui/traits/issue-35869.stderr
index 0780109b843..6d985bdeaf8 100644
--- a/src/test/ui/traits/issue-35869.stderr
+++ b/src/test/ui/traits/issue-35869.stderr
@@ -12,8 +12,8 @@ note: type in trait
    |
 LL |     fn foo(_: fn(u8) -> ());
    |               ^^^^^^^^^^^^
-   = note: expected fn pointer `fn(fn(u8))`
-              found fn pointer `fn(fn(u16))`
+   = note: expected signature `fn(fn(u8))`
+              found signature `fn(fn(u16))`
 
 error[E0053]: method `bar` has an incompatible type for trait
   --> $DIR/issue-35869.rs:13:15
@@ -29,8 +29,8 @@ note: type in trait
    |
 LL |     fn bar(_: Option<u8>);
    |               ^^^^^^^^^^
-   = note: expected fn pointer `fn(Option<u8>)`
-              found fn pointer `fn(Option<u16>)`
+   = note: expected signature `fn(Option<u8>)`
+              found signature `fn(Option<u16>)`
 
 error[E0053]: method `baz` has an incompatible type for trait
   --> $DIR/issue-35869.rs:15:15
@@ -46,8 +46,8 @@ note: type in trait
    |
 LL |     fn baz(_: (u8, u16));
    |               ^^^^^^^^^
-   = note: expected fn pointer `fn((u8, _))`
-              found fn pointer `fn((u16, _))`
+   = note: expected signature `fn((u8, _))`
+              found signature `fn((u16, _))`
 
 error[E0053]: method `qux` has an incompatible type for trait
   --> $DIR/issue-35869.rs:17:17
@@ -63,8 +63,8 @@ note: type in trait
    |
 LL |     fn qux() -> u8;
    |                 ^^
-   = note: expected fn pointer `fn() -> u8`
-              found fn pointer `fn() -> u16`
+   = note: expected signature `fn() -> u8`
+              found signature `fn() -> u16`
 
 error: aborting due to 4 previous errors
 
diff --git a/src/test/ui/traits/matching-lifetimes.stderr b/src/test/ui/traits/matching-lifetimes.stderr
index de1c878a513..f8119ed415d 100644
--- a/src/test/ui/traits/matching-lifetimes.stderr
+++ b/src/test/ui/traits/matching-lifetimes.stderr
@@ -4,8 +4,8 @@ error[E0308]: method not compatible with trait
 LL |     fn foo(x: Foo<'b,'a>) {
    |     ^^^^^^^^^^^^^^^^^^^^^ lifetime mismatch
    |
-   = note: expected fn pointer `fn(Foo<'a, 'b>)`
-              found fn pointer `fn(Foo<'b, 'a>)`
+   = note: expected signature `fn(Foo<'a, 'b>)`
+              found signature `fn(Foo<'b, 'a>)`
 note: the lifetime `'b` as defined here...
   --> $DIR/matching-lifetimes.rs:13:9
    |
@@ -23,8 +23,8 @@ error[E0308]: method not compatible with trait
 LL |     fn foo(x: Foo<'b,'a>) {
    |     ^^^^^^^^^^^^^^^^^^^^^ lifetime mismatch
    |
-   = note: expected fn pointer `fn(Foo<'a, 'b>)`
-              found fn pointer `fn(Foo<'b, 'a>)`
+   = note: expected signature `fn(Foo<'a, 'b>)`
+              found signature `fn(Foo<'b, 'a>)`
 note: the lifetime `'a` as defined here...
   --> $DIR/matching-lifetimes.rs:13:6
    |
diff --git a/src/test/ui/traits/param-without-lifetime-constraint.stderr b/src/test/ui/traits/param-without-lifetime-constraint.stderr
index 118b2cf3ecd..b128b6518ce 100644
--- a/src/test/ui/traits/param-without-lifetime-constraint.stderr
+++ b/src/test/ui/traits/param-without-lifetime-constraint.stderr
@@ -7,8 +7,8 @@ LL |     fn get_relation(&self) -> To;
 LL |     fn get_relation(&self) -> &ProofReader {
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ found `fn(&'1 Article) -> &'1 ProofReader`
    |
-   = note: expected `fn(&'1 Article) -> &'2 ProofReader`
-              found `fn(&'1 Article) -> &'1 ProofReader`
+   = note: expected signature `fn(&'1 Article) -> &'2 ProofReader`
+              found signature `fn(&'1 Article) -> &'1 ProofReader`
 help: the lifetime requirements from the `impl` do not correspond to the requirements in the `trait`
   --> $DIR/param-without-lifetime-constraint.rs:10:31
    |
diff --git a/src/test/ui/traits/self-without-lifetime-constraint.stderr b/src/test/ui/traits/self-without-lifetime-constraint.stderr
index 85fada3b87c..05a49820a82 100644
--- a/src/test/ui/traits/self-without-lifetime-constraint.stderr
+++ b/src/test/ui/traits/self-without-lifetime-constraint.stderr
@@ -7,8 +7,8 @@ LL |     fn column_result(value: ValueRef<'_>) -> FromSqlResult<Self, &Self>;
 LL |     fn column_result(value: ValueRef<'_>) -> FromSqlResult<&str, &&str> {
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ found `fn(ValueRef<'1>) -> Result<(&'1 str, &'1 &'1 str), FromSqlError>`
    |
-   = note: expected `fn(ValueRef<'1>) -> Result<(&'2 str, &'1 &'2 str), FromSqlError>`
-              found `fn(ValueRef<'1>) -> Result<(&'1 str, &'1 &'1 str), FromSqlError>`
+   = note: expected signature `fn(ValueRef<'1>) -> Result<(&'2 str, &'1 &'2 str), FromSqlError>`
+              found signature `fn(ValueRef<'1>) -> Result<(&'1 str, &'1 &'1 str), FromSqlError>`
 help: the lifetime requirements from the `impl` do not correspond to the requirements in the `trait`
   --> $DIR/self-without-lifetime-constraint.rs:41:60
    |
diff --git a/src/test/ui/unsafe/unsafe-trait-impl.rs b/src/test/ui/unsafe/unsafe-trait-impl.rs
index 03a251be1a9..1fc84ca0256 100644
--- a/src/test/ui/unsafe/unsafe-trait-impl.rs
+++ b/src/test/ui/unsafe/unsafe-trait-impl.rs
@@ -7,8 +7,8 @@ trait Foo {
 impl Foo for u32 {
     fn len(&self) -> u32 { *self }
     //~^ ERROR method `len` has an incompatible type for trait
-    //~| expected fn pointer `unsafe fn(&u32) -> _`
-    //~| found fn pointer `fn(&u32) -> _`
+    //~| expected signature `unsafe fn(&u32) -> _`
+    //~| found signature `fn(&u32) -> _`
 }
 
 fn main() { }
diff --git a/src/test/ui/unsafe/unsafe-trait-impl.stderr b/src/test/ui/unsafe/unsafe-trait-impl.stderr
index 8a0cba1fac5..18ba79404b7 100644
--- a/src/test/ui/unsafe/unsafe-trait-impl.stderr
+++ b/src/test/ui/unsafe/unsafe-trait-impl.stderr
@@ -9,8 +9,8 @@ note: type in trait
    |
 LL |     unsafe fn len(&self) -> u32;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   = note: expected fn pointer `unsafe fn(&u32) -> _`
-              found fn pointer `fn(&u32) -> _`
+   = note: expected signature `unsafe fn(&u32) -> _`
+              found signature `fn(&u32) -> _`
 
 error: aborting due to previous error
 
diff --git a/src/test/ui/wrong-mul-method-signature.stderr b/src/test/ui/wrong-mul-method-signature.stderr
index 8338f61b22a..504a6032b01 100644
--- a/src/test/ui/wrong-mul-method-signature.stderr
+++ b/src/test/ui/wrong-mul-method-signature.stderr
@@ -7,8 +7,8 @@ LL |     fn mul(self, s: &f64) -> Vec1 {
    |                     expected `f64`, found `&f64`
    |                     help: change the parameter type to match the trait: `f64`
    |
-   = note: expected fn pointer `fn(Vec1, f64) -> Vec1`
-              found fn pointer `fn(Vec1, &f64) -> Vec1`
+   = note: expected signature `fn(Vec1, f64) -> Vec1`
+              found signature `fn(Vec1, &f64) -> Vec1`
 
 error[E0053]: method `mul` has an incompatible type for trait
   --> $DIR/wrong-mul-method-signature.rs:33:21
@@ -19,8 +19,8 @@ LL |     fn mul(self, s: f64) -> Vec2 {
    |                     expected struct `Vec2`, found `f64`
    |                     help: change the parameter type to match the trait: `Vec2`
    |
-   = note: expected fn pointer `fn(Vec2, Vec2) -> f64`
-              found fn pointer `fn(Vec2, f64) -> Vec2`
+   = note: expected signature `fn(Vec2, Vec2) -> f64`
+              found signature `fn(Vec2, f64) -> Vec2`
 
 error[E0053]: method `mul` has an incompatible type for trait
   --> $DIR/wrong-mul-method-signature.rs:52:29
@@ -31,8 +31,8 @@ LL |     fn mul(self, s: f64) -> f64 {
    |                             expected `i32`, found `f64`
    |                             help: change the output type to match the trait: `i32`
    |
-   = note: expected fn pointer `fn(Vec3, _) -> i32`
-              found fn pointer `fn(Vec3, _) -> f64`
+   = note: expected signature `fn(Vec3, _) -> i32`
+              found signature `fn(Vec3, _) -> f64`
 
 error[E0308]: mismatched types
   --> $DIR/wrong-mul-method-signature.rs:63:45