Rollup merge of #65292 - JohnTitor:add-backticks, r=varkor,Centril

Print lifetimes with backticks

Fixes #65287

r? @varkor

src/test/ui/issues/issue-10291.stderr

@@ -12,7 +12,7 @@ LL |       drop::<Box<dyn for<'z> FnMut(&'z isize) -> &'z isize>>(Box::new(|z| {
 LL | |         x
 LL | |     }));
    | |_____^
-note: ...but the borrowed content is only valid for the lifetime 'x as defined on the function body at 1:9
+note: ...but the borrowed content is only valid for the lifetime `'x` as defined on the function body at 1:9
   --> $DIR/issue-10291.rs:1:9
    |
 LL | fn test<'x>(x: &'x isize) {

src/test/ui/issues/issue-16683.stderr

@@ -16,7 +16,7 @@ note: ...so that reference does not outlive borrowed content
    |
 LL |         self.a();
    |         ^^^^
-note: but, the lifetime must be valid for the lifetime 'a as defined on the trait at 1:9...
+note: but, the lifetime must be valid for the lifetime `'a` as defined on the trait at 1:9...
   --> $DIR/issue-16683.rs:1:9
    |
 LL | trait T<'a> {

src/test/ui/issues/issue-17740.stderr

@@ -17,7 +17,7 @@ LL | |
 LL | |
 LL | |     }
    | |_____^
-note: ...does not necessarily outlive the lifetime 'a as defined on the impl at 5:7
+note: ...does not necessarily outlive the lifetime `'a` as defined on the impl at 5:7
   --> $DIR/issue-17740.rs:5:7
    |
 LL | impl <'a> Foo<'a>{
@@ -31,7 +31,7 @@ LL |     fn bar(self: &mut Foo) {
    |
    = note: expected type `Foo<'a>`
               found type `Foo<'_>`
-note: the lifetime 'a as defined on the impl at 5:7...
+note: the lifetime `'a` as defined on the impl at 5:7...
   --> $DIR/issue-17740.rs:5:7
    |
 LL | impl <'a> Foo<'a>{

src/test/ui/issues/issue-17758.stderr

@@ -17,7 +17,7 @@ note: ...so that reference does not outlive borrowed content
    |
 LL |         self.foo();
    |         ^^^^
-note: but, the lifetime must be valid for the lifetime 'a as defined on the trait at 4:11...
+note: but, the lifetime must be valid for the lifetime `'a` as defined on the trait at 4:11...
   --> $DIR/issue-17758.rs:4:11
    |
 LL | trait Foo<'a> {

src/test/ui/issues/issue-17905-2.stderr

@@ -15,7 +15,7 @@ LL | |
 LL | |         println!("{:?}", self);
 LL | |     }
    | |_____^
-note: ...does not necessarily outlive the lifetime '_ as defined on the impl at 5:5
+note: ...does not necessarily outlive the lifetime `'_` as defined on the impl at 5:5
   --> $DIR/issue-17905-2.rs:5:5
    |
 LL |     &str,
@@ -29,7 +29,7 @@ LL |     fn say(self: &Pair<&str, isize>) {
    |
    = note: expected type `Pair<&str, _>`
               found type `Pair<&str, _>`
-note: the lifetime '_ as defined on the impl at 5:5...
+note: the lifetime `'_` as defined on the impl at 5:5...
   --> $DIR/issue-17905-2.rs:5:5
    |
 LL |     &str,

src/test/ui/issues/issue-20831-debruijn.stderr

@@ -23,7 +23,7 @@ LL | |
 LL | |         self.sub = t;
 LL | |     }
    | |_____^
-note: ...does not necessarily outlive the lifetime 'a as defined on the impl at 26:6
+note: ...does not necessarily outlive the lifetime `'a` as defined on the impl at 26:6
   --> $DIR/issue-20831-debruijn.rs:26:6
    |
 LL | impl<'a> Publisher<'a> for MyStruct<'a> {
@@ -43,7 +43,7 @@ LL | |     }
    |
    = note: expected type `'a`
               found type `'_`
-note: the lifetime 'a as defined on the impl at 26:6...
+note: the lifetime `'a` as defined on the impl at 26:6...
   --> $DIR/issue-20831-debruijn.rs:26:6
    |
 LL | impl<'a> Publisher<'a> for MyStruct<'a> {
@@ -83,7 +83,7 @@ LL | |
 LL | |         self.sub = t;
 LL | |     }
    | |_____^
-note: ...but the lifetime must also be valid for the lifetime 'a as defined on the impl at 26:6...
+note: ...but the lifetime must also be valid for the lifetime `'a` as defined on the impl at 26:6...
   --> $DIR/issue-20831-debruijn.rs:26:6
    |
 LL | impl<'a> Publisher<'a> for MyStruct<'a> {

src/test/ui/issues/issue-27942.stderr

@@ -11,7 +11,7 @@ note: the anonymous lifetime #1 defined on the method body at 5:5...
    |
 LL |     fn select(&self) -> BufferViewHandle<R>;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-note: ...does not necessarily outlive the lifetime 'a as defined on the trait at 3:18
+note: ...does not necessarily outlive the lifetime `'a` as defined on the trait at 3:18
   --> $DIR/issue-27942.rs:3:18
    |
 LL | pub trait Buffer<'a, R: Resources<'a>> {
@@ -25,7 +25,7 @@ LL |     fn select(&self) -> BufferViewHandle<R>;
    |
    = note: expected type `Resources<'_>`
               found type `Resources<'a>`
-note: the lifetime 'a as defined on the trait at 3:18...
+note: the lifetime `'a` as defined on the trait at 3:18...
   --> $DIR/issue-27942.rs:3:18
    |
 LL | pub trait Buffer<'a, R: Resources<'a>> {

src/test/ui/issues/issue-28848.stderr

@@ -4,12 +4,12 @@ error[E0478]: lifetime bound not satisfied
 LL |     Foo::<'a, 'b>::xmute(u)
    |     ^^^^^^^^^^^^^^^^^^^^
    |
-note: lifetime parameter instantiated with the lifetime 'b as defined on the function body at 9:16
+note: lifetime parameter instantiated with the lifetime `'b` as defined on the function body at 9:16
   --> $DIR/issue-28848.rs:9:16
    |
 LL | pub fn foo<'a, 'b>(u: &'b ()) -> &'a () {
    |                ^^
-note: but lifetime parameter must outlive the lifetime 'a as defined on the function body at 9:12
+note: but lifetime parameter must outlive the lifetime `'a` as defined on the function body at 9:12
   --> $DIR/issue-28848.rs:9:12
    |
 LL | pub fn foo<'a, 'b>(u: &'b ()) -> &'a () {

src/test/ui/issues/issue-37884.stderr

@@ -21,7 +21,7 @@ LL | |     {
 LL | |         Some(&mut self.0)
 LL | |     }
    | |_____^
-note: ...does not necessarily outlive the lifetime 'a as defined on the impl at 3:6
+note: ...does not necessarily outlive the lifetime `'a` as defined on the impl at 3:6
   --> $DIR/issue-37884.rs:3:6
    |
 LL | impl<'a, T: 'a> Iterator for RepeatMut<'a, T> {

src/test/ui/issues/issue-52213.stderr

@@ -4,7 +4,7 @@ error[E0495]: cannot infer an appropriate lifetime due to conflicting requiremen
 LL |     match (&t,) {
    |           ^^^^^
    |
-note: first, the lifetime cannot outlive the lifetime 'a as defined on the function body at 1:23...
+note: first, the lifetime cannot outlive the lifetime `'a` as defined on the function body at 1:23...
   --> $DIR/issue-52213.rs:1:23
    |
 LL | fn transmute_lifetime<'a, 'b, T>(t: &'a (T,)) -> &'b T {
@@ -12,7 +12,7 @@ LL | fn transmute_lifetime<'a, 'b, T>(t: &'a (T,)) -> &'b T {
    = note: ...so that the types are compatible:
            expected (&&(T,),)
               found (&&'a (T,),)
-note: but, the lifetime must be valid for the lifetime 'b as defined on the function body at 1:27...
+note: but, the lifetime must be valid for the lifetime `'b` as defined on the function body at 1:27...
   --> $DIR/issue-52213.rs:1:27
    |
 LL | fn transmute_lifetime<'a, 'b, T>(t: &'a (T,)) -> &'b T {

src/test/ui/issues/issue-55796.stderr

@@ -4,7 +4,7 @@ error[E0495]: cannot infer an appropriate lifetime due to conflicting requiremen
 LL |         Box::new(self.out_edges(u).map(|e| e.target()))
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
-note: first, the lifetime cannot outlive the lifetime 'a as defined on the trait at 5:17...
+note: first, the lifetime cannot outlive the lifetime `'a` as defined on the trait at 5:17...
   --> $DIR/issue-55796.rs:5:17
    |
 LL | pub trait Graph<'a> {
@@ -25,7 +25,7 @@ error[E0495]: cannot infer an appropriate lifetime due to conflicting requiremen
 LL |         Box::new(self.in_edges(u).map(|e| e.target()))
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
-note: first, the lifetime cannot outlive the lifetime 'a as defined on the trait at 5:17...
+note: first, the lifetime cannot outlive the lifetime `'a` as defined on the trait at 5:17...
   --> $DIR/issue-55796.rs:5:17
    |
 LL | pub trait Graph<'a> {