Auto merge of #97892 - klensy:fix-spaces, r=oli-obk

diagnostics: remove trailing spaces

Remove few occurrences of trailing spaces and drive by fix of needless alloc of const string.

compiler/rustc_errors/src/emitter.rs

@@ -771,8 +771,12 @@ impl EmitterWriter {
         self
     }
 
-    fn maybe_anonymized(&self, line_num: usize) -> String {
+    fn maybe_anonymized(&self, line_num: usize) -> Cow<'static, str> {
-        if self.ui_testing { ANONYMIZED_LINE_NUM.to_string() } else { line_num.to_string() }
+        if self.ui_testing {
+            Cow::Borrowed(ANONYMIZED_LINE_NUM)
+        } else {
+            Cow::Owned(line_num.to_string())
+        }
     }
 
     fn draw_line(
@@ -819,7 +823,7 @@ impl EmitterWriter {
         }
         buffer.puts(line_offset, 0, &self.maybe_anonymized(line_index), Style::LineNumber);
 
-        draw_col_separator(buffer, line_offset, width_offset - 2);
+        draw_col_separator_no_space(buffer, line_offset, width_offset - 2);
     }
 
     fn render_source_line(
@@ -1929,7 +1933,7 @@ impl EmitterWriter {
             // Only show an underline in the suggestions if the suggestion is not the
             // entirety of the code being shown and the displayed code is not multiline.
             if let DisplaySuggestion::Diff | DisplaySuggestion::Underline = show_code_change {
-                draw_col_separator(&mut buffer, row_num, max_line_num_len + 1);
+                draw_col_separator_no_space(&mut buffer, row_num, max_line_num_len + 1);
                 for part in parts {
                     let span_start_pos = sm.lookup_char_pos(part.span.lo()).col_display;
                     let span_end_pos = sm.lookup_char_pos(part.span.hi()).col_display;

src/test/rustdoc-ui/intra-doc/disambiguator-mismatch.stderr

@@ -68,7 +68,7 @@ help: to link to the macro, add an exclamation mark
    |
 LL - /// Link to [derive@m]
 LL + /// Link to [m!]
-   | 
+   |
 
 error: unresolved link to `m`
   --> $DIR/disambiguator-mismatch.rs:46:14
@@ -124,7 +124,7 @@ help: to link to the constant, prefix with `const@`
    |
 LL - /// Link to [c()]
 LL + /// Link to [const@c]
-   | 
+   |
 
 error: incompatible link kind for `f`
   --> $DIR/disambiguator-mismatch.rs:72:14
@@ -136,7 +136,7 @@ help: to link to the function, add parentheses
    |
 LL - /// Link to [const@f]
 LL + /// Link to [f()]
-   | 
+   |
 
 error: unresolved link to `std`
   --> $DIR/disambiguator-mismatch.rs:77:14

src/test/rustdoc-ui/intra-doc/errors.stderr

@@ -98,7 +98,7 @@ help: to link to the associated function, add parentheses
    |
 LL - /// [type@Vec::into_iter]
 LL + /// [Vec::into_iter()]
-   | 
+   |
 
 error: unresolved link to `S`
   --> $DIR/errors.rs:68:6
@@ -110,7 +110,7 @@ help: to link to the struct, prefix with `struct@`
    |
 LL - /// [S!]
 LL + /// [struct@S]
-   | 
+   |
 
 error: unresolved link to `S::h`
   --> $DIR/errors.rs:78:6
@@ -122,7 +122,7 @@ help: to link to the associated function, add parentheses
    |
 LL - /// [type@S::h]
 LL + /// [S::h()]
-   | 
+   |
 
 error: unresolved link to `T::g`
   --> $DIR/errors.rs:86:6
@@ -134,7 +134,7 @@ help: to link to the associated function, add parentheses
    |
 LL - /// [type@T::g]
 LL + /// [T::g()]
-   | 
+   |
 
 error: unresolved link to `T::h`
   --> $DIR/errors.rs:91:6

src/test/rustdoc-ui/test-compile-fail1.stderr

@@ -3,7 +3,7 @@ error[E0428]: the name `f` is defined multiple times
   |
 6 | pub fn f() {}
   | ---------- previous definition of the value `f` here
-7 | 
+7 |
 8 | pub fn f() {}
   | ^^^^^^^^^^ `f` redefined here
   |

src/test/ui/argument-suggestions/issue-97484.stderr

@@ -16,7 +16,7 @@ help: consider removing the ``
    |
 LL -     foo(&&A, B, C, D, E, F, G);
 LL +     foo(&&A, B, C, D, E, F, G);
-   | 
+   |
 help: remove the extra arguments
    |
 LL |     foo(&&A, D, {&E}, G);

src/test/ui/asm/type-check-1.stderr

@@ -58,7 +58,7 @@ help: consider removing the borrow
    |
 LL -         asm!("{}", const &0);
 LL +         asm!("{}", const 0);
-   | 
+   |
 
 error: invalid asm output
   --> $DIR/type-check-1.rs:15:29

src/test/ui/associated-type-bounds/type-alias.stderr

@@ -9,7 +9,7 @@ help: the clause will not be checked when the type alias is used, and should be
    |
 LL - type _TaWhere1<T> where T: Iterator<Item: Copy> = T;
 LL + type _TaWhere1<T>  = T;
-   | 
+   |
 
 warning: where clauses are not enforced in type aliases
   --> $DIR/type-alias.rs:6:25
@@ -21,7 +21,7 @@ help: the clause will not be checked when the type alias is used, and should be
    |
 LL - type _TaWhere2<T> where T: Iterator<Item: 'static> = T;
 LL + type _TaWhere2<T>  = T;
-   | 
+   |
 
 warning: where clauses are not enforced in type aliases
   --> $DIR/type-alias.rs:7:25
@@ -33,7 +33,7 @@ help: the clause will not be checked when the type alias is used, and should be
    |
 LL - type _TaWhere3<T> where T: Iterator<Item: 'static> = T;
 LL + type _TaWhere3<T>  = T;
-   | 
+   |
 
 warning: where clauses are not enforced in type aliases
   --> $DIR/type-alias.rs:8:25
@@ -45,7 +45,7 @@ help: the clause will not be checked when the type alias is used, and should be
    |
 LL - type _TaWhere4<T> where T: Iterator<Item: 'static + Copy + Send> = T;
 LL + type _TaWhere4<T>  = T;
-   | 
+   |
 
 warning: where clauses are not enforced in type aliases
   --> $DIR/type-alias.rs:9:25
@@ -57,7 +57,7 @@ help: the clause will not be checked when the type alias is used, and should be
    |
 LL - type _TaWhere5<T> where T: Iterator<Item: for<'a> Into<&'a u8>> = T;
 LL + type _TaWhere5<T>  = T;
-   | 
+   |
 
 warning: where clauses are not enforced in type aliases
   --> $DIR/type-alias.rs:10:25
@@ -69,7 +69,7 @@ help: the clause will not be checked when the type alias is used, and should be
    |
 LL - type _TaWhere6<T> where T: Iterator<Item: Iterator<Item: Copy>> = T;
 LL + type _TaWhere6<T>  = T;
-   | 
+   |
 
 warning: bounds on generic parameters are not enforced in type aliases
   --> $DIR/type-alias.rs:12:20
@@ -81,7 +81,7 @@ help: the bound will not be checked when the type alias is used, and should be r
    |
 LL - type _TaInline1<T: Iterator<Item: Copy>> = T;
 LL + type _TaInline1<T> = T;
-   | 
+   |
 
 warning: bounds on generic parameters are not enforced in type aliases
   --> $DIR/type-alias.rs:13:20
@@ -93,7 +93,7 @@ help: the bound will not be checked when the type alias is used, and should be r
    |
 LL - type _TaInline2<T: Iterator<Item: 'static>> = T;
 LL + type _TaInline2<T> = T;
-   | 
+   |
 
 warning: bounds on generic parameters are not enforced in type aliases
   --> $DIR/type-alias.rs:14:20
@@ -105,7 +105,7 @@ help: the bound will not be checked when the type alias is used, and should be r
    |
 LL - type _TaInline3<T: Iterator<Item: 'static>> = T;
 LL + type _TaInline3<T> = T;
-   | 
+   |
 
 warning: bounds on generic parameters are not enforced in type aliases
   --> $DIR/type-alias.rs:15:20
@@ -117,7 +117,7 @@ help: the bound will not be checked when the type alias is used, and should be r
    |
 LL - type _TaInline4<T: Iterator<Item: 'static + Copy + Send>> = T;
 LL + type _TaInline4<T> = T;
-   | 
+   |
 
 warning: bounds on generic parameters are not enforced in type aliases
   --> $DIR/type-alias.rs:16:20
@@ -129,7 +129,7 @@ help: the bound will not be checked when the type alias is used, and should be r
    |
 LL - type _TaInline5<T: Iterator<Item: for<'a> Into<&'a u8>>> = T;
 LL + type _TaInline5<T> = T;
-   | 
+   |
 
 warning: bounds on generic parameters are not enforced in type aliases
   --> $DIR/type-alias.rs:17:20
@@ -141,7 +141,7 @@ help: the bound will not be checked when the type alias is used, and should be r
    |
 LL - type _TaInline6<T: Iterator<Item: Iterator<Item: Copy>>> = T;
 LL + type _TaInline6<T> = T;
-   | 
+   |
 
 warning: 12 warnings emitted
 

src/test/ui/associated-types/defaults-specialization.stderr

@@ -30,7 +30,7 @@ error[E0053]: method `make` has an incompatible type for trait
    |
 LL |     default type Ty = bool;
    |     ----------------------- expected this associated type
-LL | 
+LL |
 LL |     fn make() -> bool { true }
    |                  ^^^^
    |                  |
@@ -50,7 +50,7 @@ error[E0308]: mismatched types
    |
 LL |     type Ty = u8;
    |     ------------- associated type defaults can't be assumed inside the trait defining them
-LL | 
+LL |
 LL |     fn make() -> Self::Ty {
    |                  -------- expected `<Self as Tr>::Ty` because of return type
 LL |         0u8
@@ -77,7 +77,7 @@ error[E0308]: mismatched types
    |
 LL |     default type Ty = bool;
    |     ----------------------- expected this associated type
-LL | 
+LL |
 LL |     fn make() -> Self::Ty { true }
    |                  --------   ^^^^ expected associated type, found `bool`
    |                  |

src/test/ui/associated-types/issue-22560.stderr

@@ -5,7 +5,7 @@ LL | / trait Sub<Rhs=Self> {
 LL | |     type Output;
 LL | | }
    | |_- type parameter `Rhs` must be specified for this
-LL | 
+LL |
 LL |   type Test = dyn Add + Sub;
    |                         ^^^ help: set the type parameter to the desired type: `Sub<Rhs>`
    |

src/test/ui/associated-types/issue-36499.stderr

@@ -8,7 +8,7 @@ help: try removing the `+`
    |
 LL -     2 + +2;
 LL +     2 + 2;
-   | 
+   |
 
 error: aborting due to previous error
 

src/test/ui/async-await/issue-67765-async-diagnostic.stderr

@@ -3,7 +3,7 @@ error[E0515]: cannot return value referencing local variable `s`
    |
 LL |     let b = &s[..];
    |              - `s` is borrowed here
-LL | 
+LL |
 LL |     Err(b)?;
    |     ^^^^^^^ returns a value referencing data owned by the current function
 

src/test/ui/async-await/issue-70594.stderr

@@ -31,7 +31,7 @@ help: remove the `.await`
    |
 LL -     [1; ().await];
 LL +     [1; ()];
-   | 
+   |
 
 error: aborting due to 4 previous errors
 

src/test/ui/async-await/issues/issue-54752-async-block.stderr

@@ -9,7 +9,7 @@ help: remove these parentheses
    |
 LL - fn main() { let _a = (async { }); }
 LL + fn main() { let _a = async { }; }
-   | 
+   |
 
 warning: 1 warning emitted
 

src/test/ui/async-await/issues/issue-62009-1.stderr

@@ -37,7 +37,7 @@ help: remove the `.await`
    |
 LL -     (|_| 2333).await;
 LL +     (|_| 2333);
-   | 
+   |
 
 error: aborting due to 4 previous errors
 

src/test/ui/async-await/unnecessary-await.stderr

@@ -13,7 +13,7 @@ help: remove the `.await`
    |
 LL -     boo().await;
 LL +     boo();
-   | 
+   |
 help: alternatively, consider making `fn boo` asynchronous
    |
 LL | async fn boo() {}

src/test/ui/blind/blind-item-item-shadow.stderr

@@ -3,7 +3,7 @@ error[E0255]: the name `foo` is defined multiple times
    |
 LL | mod foo { pub mod foo {  } }
    | ------- previous definition of the module `foo` here
-LL | 
+LL |
 LL | use foo::foo;
    |     ^^^^^^^^ `foo` reimported here
    |

src/test/ui/block-result/issue-5500.stderr

@@ -12,7 +12,7 @@ help: consider removing the borrow
    |
 LL -     &panic!()
 LL +     panic!()
-   | 
+   |
 
 error: aborting due to previous error
 

src/test/ui/borrowck/borrow-raw-address-of-borrowed.stderr

@@ -3,10 +3,10 @@ error[E0502]: cannot borrow `x` as mutable because it is also borrowed as immuta
    |
 LL |     let y = &x;
    |             -- immutable borrow occurs here
-LL | 
+LL |
 LL |     let q = &raw mut x;
    |             ^^^^^^^^^^ mutable borrow occurs here
-LL | 
+LL |
 LL |     drop(y);
    |          - immutable borrow later used here
 
@@ -15,7 +15,7 @@ error[E0502]: cannot borrow `x` as immutable because it is also borrowed as muta
    |
 LL |     let y = &mut x;
    |             ------ mutable borrow occurs here
-LL | 
+LL |
 LL |     let p = &raw const x;
    |             ^^^^^^^^^^^^ immutable borrow occurs here
 ...
@@ -30,7 +30,7 @@ LL |     let y = &mut x;
 ...
 LL |     let q = &raw mut x;
    |             ^^^^^^^^^^ second mutable borrow occurs here
-LL | 
+LL |
 LL |     drop(y);
    |          - first borrow later used here
 

src/test/ui/borrowck/borrow-raw-address-of-deref-mutability.stderr

@@ -3,7 +3,7 @@ error[E0596]: cannot borrow `*x` as mutable, as it is behind a `&` reference
    |
 LL |     let x = &0;
    |             -- help: consider changing this to be a mutable reference: `&mut 0`
-LL | 
+LL |
 LL |     let q = &raw mut *x;
    |             ^^^^^^^^^^^ `x` is a `&` reference, so the data it refers to cannot be borrowed as mutable
 
@@ -12,7 +12,7 @@ error[E0596]: cannot borrow `*x` as mutable, as it is behind a `*const` pointer
    |
 LL |     let x = &0 as *const i32;
    |             -- help: consider changing this to be a mutable pointer: `&mut 0`
-LL | 
+LL |
 LL |     let q = &raw mut *x;
    |             ^^^^^^^^^^^ `x` is a `*const` pointer, so the data it refers to cannot be borrowed as mutable
 

src/test/ui/borrowck/borrow-tuple-fields.stderr

@@ -5,7 +5,7 @@ LL |     let r = &x.0;
    |             ---- borrow of `x.0` occurs here
 LL |     let y = x;
    |             ^ move out of `x` occurs here
-LL | 
+LL |
 LL |     r.use_ref();
    |     ----------- borrow later used here
 

src/test/ui/borrowck/borrowck-assign-comp-idx.stderr

@@ -3,10 +3,10 @@ error[E0502]: cannot borrow `p` as mutable because it is also borrowed as immuta
    |
 LL |     let q: &isize = &p[0];
    |                      - immutable borrow occurs here
-LL | 
+LL |
 LL |     p[0] = 5;
    |     ^ mutable borrow occurs here
-LL | 
+LL |
 LL |     println!("{}", *q);
    |                    -- immutable borrow later used here
 

src/test/ui/borrowck/borrowck-loan-rcvr-overloaded-op.stderr

@@ -3,7 +3,7 @@ error[E0503]: cannot use `p` because it was mutably borrowed
    |
 LL |     let q = &mut p;
    |             ------ borrow of `p` occurs here
-LL | 
+LL |
 LL |     p + 3;
    |     ^ use of borrowed `p`
 ...
@@ -18,7 +18,7 @@ LL |     let q = &mut p;
 ...
 LL |     p.times(3);
    |     ^^^^^^^^^^ immutable borrow occurs here
-LL | 
+LL |
 LL |     *q + 3; // OK to use the new alias `q`
    |     -- mutable borrow later used here
 

src/test/ui/borrowck/borrowck-loan-rcvr.stderr

@@ -18,7 +18,7 @@ LL |     let l = &mut p;
    |             ------ mutable borrow occurs here
 LL |     p.impurem();
    |     ^^^^^^^^^^^ immutable borrow occurs here
-LL | 
+LL |
 LL |     l.x += 1;
    |     -------- mutable borrow later used here
 

src/test/ui/borrowck/borrowck-move-from-subpath-of-borrowed-path.stderr

@@ -3,7 +3,7 @@ error[E0505]: cannot move out of `*a` because it is borrowed
    |
 LL |     let b = &a;
    |             -- borrow of `a` occurs here
-LL | 
+LL |
 LL |     let z = *a;
    |             ^^ move out of `*a` occurs here
 LL |     b.use_ref();

src/test/ui/borrowck/borrowck-move-moved-value-into-closure.stderr

@@ -3,7 +3,7 @@ error[E0382]: use of moved value: `t`
    |
 LL |     let t: Box<_> = Box::new(3);
    |         - move occurs because `t` has type `Box<isize>`, which does not implement the `Copy` trait
-LL | 
+LL |
 LL |     call_f(move|| { *t + 1 });
    |            ------   -- variable moved due to use in closure
    |            |

src/test/ui/borrowck/borrowck-overloaded-index-move-index.stderr

@@ -3,7 +3,7 @@ error[E0505]: cannot move out of `s` because it is borrowed
    |
 LL |     let rs = &mut s;
    |              ------ borrow of `s` occurs here
-LL | 
+LL |
 LL |     println!("{}", f[s]);
    |                      ^ move out of `s` occurs here
 ...

src/test/ui/borrowck/borrowck-slice-pattern-element-loan-array.stderr

@@ -23,7 +23,7 @@ error[E0502]: cannot borrow `s[..]` as mutable because it is also borrowed as im
    |
 LL |     let [.., _, ref from_end4, ref from_end3, _, ref from_end1] = *s;
    |                 ------------- immutable borrow occurs here
-LL | 
+LL |
 LL |     let [_, _, ref mut from_begin2, ..] = *s;
    |                ^^^^^^^^^^^^^^^^^^^ mutable borrow occurs here
 LL |     nop(&[from_begin2, from_end1, from_end3, from_end4]);
@@ -45,7 +45,7 @@ error[E0502]: cannot borrow `s[..]` as mutable because it is also borrowed as im
    |
 LL |     let [ref from_begin0, ref from_begin1, _, ref from_begin3, _, ..] = *s;
    |                                               --------------- immutable borrow occurs here
-LL | 
+LL |
 LL |     let [.., ref mut from_end3, _,  _] = *s;
    |              ^^^^^^^^^^^^^^^^^ mutable borrow occurs here
 LL |     nop(&[from_begin0, from_begin1, from_begin3, from_end3]);

src/test/ui/borrowck/borrowck-union-borrow.stderr

@@ -99,7 +99,7 @@ LL |             let ra = &mut u.a;
    |                      -------- borrow of `u.a` occurs here
 LL |             let b = u.b;
    |                     ^^^ use of borrowed `u.a`
-LL | 
+LL |
 LL |             drop(ra);
    |                  -- borrow later used here
 

src/test/ui/borrowck/copy-suggestion-region-vid.stderr

@@ -3,7 +3,7 @@ error[E0382]: borrow of moved value: `helpers`
    |
 LL |         let helpers = [vec![], vec![]];
    |             ------- move occurs because `helpers` has type `[Vec<&i64>; 2]`, which does not implement the `Copy` trait
-LL | 
+LL |
 LL |         HelperStruct { helpers, is_empty: helpers[0].is_empty() }
    |                        -------            ^^^^^^^^^^^^^^^^^^^^^ value borrowed here after move
    |                        |

src/test/ui/borrowck/issue-58776-borrowck-scans-children.stderr

@@ -5,7 +5,7 @@ LL |     let res = (|| (|| &greeting)())();
    |                --      -------- borrow occurs due to use in closure
    |                |
    |                borrow of `greeting` occurs here
-LL | 
+LL |
 LL |     greeting = "DEALLOCATED".to_string();
    |     ^^^^^^^^ assignment to borrowed `greeting` occurs here
 ...

src/test/ui/borrowck/mut-borrow-of-mut-ref.stderr

@@ -13,7 +13,7 @@ help: try removing `&mut` here
    |
 LL -     h(&mut b);
 LL +     h(b);
-   | 
+   |
 
 error[E0596]: cannot borrow `b` as mutable, as it is not declared as mutable
   --> $DIR/mut-borrow-of-mut-ref.rs:11:12
@@ -30,7 +30,7 @@ help: try removing `&mut` here
    |
 LL -     g(&mut &mut b);
 LL +     g(&mut b);
-   | 
+   |
 
 error[E0596]: cannot borrow `b` as mutable, as it is not declared as mutable
   --> $DIR/mut-borrow-of-mut-ref.rs:18:12
@@ -47,7 +47,7 @@ help: try removing `&mut` here
    |
 LL -     h(&mut &mut b);
 LL +     h(&mut b);
-   | 
+   |
 
 error[E0596]: cannot borrow `f` as mutable, as it is not declared as mutable
   --> $DIR/mut-borrow-of-mut-ref.rs:35:5

src/test/ui/borrowck/two-phase-allow-access-during-reservation.nll_target.stderr

@@ -3,7 +3,7 @@ error[E0503]: cannot use `i` because it was mutably borrowed
    |
 LL |     /*1*/ let p = &mut i; // (reservation of `i` starts here)
    |                   ------ borrow of `i` occurs here
-LL | 
+LL |
 LL |     /*2*/ let j = i;      // OK: `i` is only reserved here
    |                   ^ use of borrowed `i`
 ...

src/test/ui/borrowck/two-phase-reservation-sharing-interference-2.stderr

@@ -3,7 +3,7 @@ error[E0502]: cannot borrow `v` as mutable because it is also borrowed as immuta
    |
 LL |     let shared = &v;
    |                  -- immutable borrow occurs here
-LL | 
+LL |
 LL |     v.extend(shared);
    |     ^^------^^^^^^^^
    |     | |

src/test/ui/borrowck/two-phase-sneaky.stderr

@@ -5,7 +5,7 @@ LL |     v[0].push_str({
    |     -    -------- first borrow later used by call
    |     |
    |     first mutable borrow occurs here
-LL | 
+LL |
 LL |         v.push(format!("foo"));
    |         ^^^^^^^^^^^^^^^^^^^^^^ second mutable borrow occurs here
 

src/test/ui/cast/issue-89497.stderr

@@ -8,7 +8,7 @@ help: consider borrowing the value
    |
 LL -     let _reference: &'static i32 = unsafe { pointer as *const i32 as &'static i32 };
 LL +     let _reference: &'static i32 = unsafe { &*(pointer as *const i32) };
-   | 
+   |
 
 error: aborting due to previous error
 

src/test/ui/closures/2229_closure_analysis/diagnostics/mut_ref.stderr

@@ -3,7 +3,7 @@ error[E0596]: cannot borrow `**ref_mref_x` as mutable, as it is behind a `&` ref
    |
 LL |     let ref_mref_x = &mref_x;
    |                      ------- help: consider changing this to be a mutable reference: `&mut mref_x`
-LL | 
+LL |
 LL |     let c = || {
    |             ^^ `ref_mref_x` is a `&` reference, so the data it refers to cannot be borrowed as mutable
 LL |

src/test/ui/closures/issue-6801.stderr

@@ -5,7 +5,7 @@ LL |       let sq =  || { *x * *x };
    |                 --   -- borrow occurs due to use in closure
    |                 |
    |                 borrow of `x` occurs here
-LL | 
+LL |
 LL |       twice(x);
    |             ^ move out of `x` occurs here
 LL |       invoke(sq);

src/test/ui/closures/issue-82438-mut-without-upvar.stderr

@@ -3,7 +3,7 @@ error[E0596]: cannot borrow `c` as mutable, as it is not declared as mutable
    |
 LL |     let c = |a, b, c, d| {};
    |         - help: consider changing this to be mutable: `mut c`
-LL | 
+LL |
 LL |     A.f(participant_name, &mut c);
    |                           ^^^^^^ cannot borrow as mutable
 

src/test/ui/coherence/coherence-conflicting-negative-trait-impl.stderr

@@ -3,7 +3,7 @@ error[E0751]: found both positive and negative implementation of trait `std::mar
    |
 LL | unsafe impl<T: MyTrait + 'static> Send for TestType<T> {}
    | ------------------------------------------------------ positive implementation here
-LL | 
+LL |
 LL | impl<T: MyTrait> !Send for TestType<T> {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ negative implementation here
 

src/test/ui/coherence/coherence-fn-implied-bounds.stderr

@@ -3,7 +3,7 @@ error: conflicting implementations of trait `Trait` for type `for<'a, 'b> fn(&'a
    |
 LL | impl Trait for for<'a, 'b> fn(&'a &'b u32, &'b &'a u32) -> &'b u32 {}
    | ------------------------------------------------------------------ first implementation here
-LL | 
+LL |
 LL | impl Trait for for<'c> fn(&'c &'c u32, &'c &'c u32) -> &'c u32 {
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `for<'a, 'b> fn(&'a &'b u32, &'b &'a u32) -> &'b u32`
    |

src/test/ui/coherence/coherence-free-vs-bound-region.stderr

@@ -3,7 +3,7 @@ error: conflicting implementations of trait `TheTrait` for type `fn(&u8)`
    |
 LL | impl<'a> TheTrait for fn(&'a u8) {}
    | -------------------------------- first implementation here
-LL | 
+LL |
 LL | impl TheTrait for fn(&u8) {
    | ^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `fn(&u8)`
    |

src/test/ui/coherence/coherence-projection-conflict-orphan.stderr

@@ -3,7 +3,7 @@ error[E0119]: conflicting implementations of trait `Foo<i32>` for type `i32`
    |
 LL | impl Foo<i32> for i32 { }
    | --------------------- first implementation here
-LL | 
+LL |
 LL | impl<A:Iterator> Foo<A::Item> for A { }
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `i32`
    |

src/test/ui/coherence/coherence-projection-conflict-ty-param.stderr

@@ -3,7 +3,7 @@ error[E0119]: conflicting implementations of trait `Foo<_>` for type `std::optio
    |
 LL | impl <P, T: Foo<P>> Foo<P> for Option<T> {}
    | ---------------------------------------- first implementation here
-LL | 
+LL |
 LL | impl<T, U> Foo<T> for Option<U> { }
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `std::option::Option<_>`
 

src/test/ui/coherence/coherence-projection-conflict.stderr

@@ -3,7 +3,7 @@ error[E0119]: conflicting implementations of trait `Foo<i32>` for type `i32`
    |
 LL | impl Foo<i32> for i32 { }
    | --------------------- first implementation here
-LL | 
+LL |
 LL | impl<A:Bar> Foo<A::Output> for A { }
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `i32`
 

src/test/ui/coherence/coherence-subtyping.stderr

@@ -3,7 +3,7 @@ warning: conflicting implementations of trait `TheTrait` for type `for<'a, 'b> f
    |
 LL | impl TheTrait for for<'a, 'b> fn(&'a u8, &'b u8) -> &'a u8 {}
    | ---------------------------------------------------------- first implementation here
-LL | 
+LL |
 LL | impl TheTrait for for<'a> fn(&'a u8, &'a u8) -> &'a u8 {
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `for<'a, 'b> fn(&'a u8, &'b u8) -> &'a u8`
    |

src/test/ui/const-generics/const-argument-if-length.full.stderr

@@ -12,7 +12,7 @@ help: consider removing the `?Sized` bound to make the type parameter `Sized`
    |
 LL - pub struct AtLeastByte<T: ?Sized> {
 LL + pub struct AtLeastByte<T> {
-   | 
+   |
 help: borrowed types always have a statically known size
    |
 LL |     value: &T,

src/test/ui/const-generics/const-argument-if-length.min.stderr

@@ -21,7 +21,7 @@ help: consider removing the `?Sized` bound to make the type parameter `Sized`
    |
 LL - pub struct AtLeastByte<T: ?Sized> {
 LL + pub struct AtLeastByte<T> {
-   | 
+   |
 help: borrowed types always have a statically known size
    |
 LL |     value: &T,

src/test/ui/const-generics/parser-error-recovery/issue-89013-no-assoc.stderr

@@ -8,7 +8,7 @@ help: the `const` keyword is only needed in the definition of the type
    |
 LL - impl Foo<const 3> for Bar {
 LL + impl Foo<3> for Bar {
-   | 
+   |
 
 error: aborting due to previous error
 

src/test/ui/const-generics/parser-error-recovery/issue-89013.stderr

@@ -8,7 +8,7 @@ help: the `const` keyword is only needed in the definition of the type
    |
 LL - impl Foo<N = const 3> for Bar {
 LL + impl Foo<N = 3> for Bar {
-   | 
+   |
 
 error[E0658]: associated const equality is incomplete
   --> $DIR/issue-89013.rs:9:10

src/test/ui/const-generics/unused_braces.stderr

@@ -13,7 +13,7 @@ help: remove these braces
    |
 LL -     let _: A<{ 7 }>;
 LL +     let _: A<7>;
-   | 
+   |
 
 warning: 1 warning emitted
 

src/test/ui/deprecation/try-macro-suggestion.stderr

@@ -21,7 +21,7 @@ help: you can use the `?` operator instead
    |
 LL -     Ok(try!(Ok(())))
 LL +     Ok(Ok(())?)
-   | 
+   |
 help: alternatively, you can still access the deprecated `try!()` macro using the "raw identifier" syntax
    |
 LL |     Ok(r#try!(Ok(())))

src/test/ui/derives/issue-91550.stderr

@@ -23,7 +23,7 @@ error[E0599]: the method `use_eq` exists for struct `Object<NoDerives>`, but its
    |
 LL | pub struct NoDerives;
    | --------------------- doesn't satisfy `NoDerives: Eq`
-LL | 
+LL |
 LL | struct Object<T>(T);
    | -------------------- method `use_eq` not found for this
 ...
@@ -42,7 +42,7 @@ error[E0599]: the method `use_ord` exists for struct `Object<NoDerives>`, but it
    |
 LL | pub struct NoDerives;
    | --------------------- doesn't satisfy `NoDerives: Ord`
-LL | 
+LL |
 LL | struct Object<T>(T);
    | -------------------- method `use_ord` not found for this
 ...
@@ -64,7 +64,7 @@ LL | pub struct NoDerives;
    | |
    | doesn't satisfy `NoDerives: Ord`
    | doesn't satisfy `NoDerives: PartialOrd`
-LL | 
+LL |
 LL | struct Object<T>(T);
    | -------------------- method `use_ord_and_partial_ord` not found for this
 ...

src/test/ui/destructure-trait-ref.stderr

@@ -30,7 +30,7 @@ help: consider removing `&` from the pattern
    |
 LL -     let &&x = &1isize as &dyn T;
 LL +     let &x = &1isize as &dyn T;
-   | 
+   |
 
 error[E0308]: mismatched types
   --> $DIR/destructure-trait-ref.rs:36:11
@@ -46,7 +46,7 @@ help: consider removing `&` from the pattern
    |
 LL -     let &&&x = &(&1isize as &dyn T);
 LL +     let &&x = &(&1isize as &dyn T);
-   | 
+   |
 
 error[E0308]: mismatched types
   --> $DIR/destructure-trait-ref.rs:40:13

src/test/ui/did_you_mean/compatible-variants.stderr

@@ -71,7 +71,7 @@ help: try removing this `?`
    |
 LL -     c()?
 LL +     c()
-   | 
+   |
 help: try adding an expression at the end of the block
    |
 LL ~     c()?;

src/test/ui/did_you_mean/issue-34126.stderr

@@ -13,7 +13,7 @@ help: try removing `&mut` here
    |
 LL -         self.run(&mut self);
 LL +         self.run(self);
-   | 
+   |
 
 error[E0502]: cannot borrow `self` as mutable because it is also borrowed as immutable
   --> $DIR/issue-34126.rs:6:18

src/test/ui/dst/dst-object-from-unsized-type.stderr

@@ -11,7 +11,7 @@ help: consider removing the `?Sized` bound to make the type parameter `Sized`
    |
 LL - fn test1<T: ?Sized + Foo>(t: &T) {
 LL + fn test1<T: Foo>(t: &T) {
-   | 
+   |
 
 error[E0277]: the size for values of type `T` cannot be known at compilation time
   --> $DIR/dst-object-from-unsized-type.rs:13:23
@@ -26,7 +26,7 @@ help: consider removing the `?Sized` bound to make the type parameter `Sized`
    |
 LL - fn test2<T: ?Sized + Foo>(t: &T) {
 LL + fn test2<T: Foo>(t: &T) {
-   | 
+   |
 
 error[E0277]: the size for values of type `str` cannot be known at compilation time
   --> $DIR/dst-object-from-unsized-type.rs:18:28

src/test/ui/dyn-keyword/dyn-2018-edition-lint.stderr

@@ -15,7 +15,7 @@ help: use `dyn`
    |
 LL - fn function(x: &SomeTrait, y: Box<SomeTrait>) {
 LL + fn function(x: &dyn SomeTrait, y: Box<SomeTrait>) {
-   | 
+   |
 
 error: trait objects without an explicit `dyn` are deprecated
   --> $DIR/dyn-2018-edition-lint.rs:4:35
@@ -29,7 +29,7 @@ help: use `dyn`
    |
 LL - fn function(x: &SomeTrait, y: Box<SomeTrait>) {
 LL + fn function(x: &SomeTrait, y: Box<dyn SomeTrait>) {
-   | 
+   |
 
 error: trait objects without an explicit `dyn` are deprecated
   --> $DIR/dyn-2018-edition-lint.rs:17:14
@@ -43,7 +43,7 @@ help: use `dyn`
    |
 LL -     let _x: &SomeTrait = todo!();
 LL +     let _x: &dyn SomeTrait = todo!();
-   | 
+   |
 
 error: trait objects without an explicit `dyn` are deprecated
   --> $DIR/dyn-2018-edition-lint.rs:4:17
@@ -57,7 +57,7 @@ help: use `dyn`
    |
 LL - fn function(x: &SomeTrait, y: Box<SomeTrait>) {
 LL + fn function(x: &dyn SomeTrait, y: Box<SomeTrait>) {
-   | 
+   |
 
 error: trait objects without an explicit `dyn` are deprecated
   --> $DIR/dyn-2018-edition-lint.rs:4:17
@@ -71,7 +71,7 @@ help: use `dyn`
    |
 LL - fn function(x: &SomeTrait, y: Box<SomeTrait>) {
 LL + fn function(x: &dyn SomeTrait, y: Box<SomeTrait>) {
-   | 
+   |
 
 error: trait objects without an explicit `dyn` are deprecated
   --> $DIR/dyn-2018-edition-lint.rs:4:35
@@ -85,7 +85,7 @@ help: use `dyn`
    |
 LL - fn function(x: &SomeTrait, y: Box<SomeTrait>) {
 LL + fn function(x: &SomeTrait, y: Box<dyn SomeTrait>) {
-   | 
+   |
 
 error: trait objects without an explicit `dyn` are deprecated
   --> $DIR/dyn-2018-edition-lint.rs:4:35
@@ -99,7 +99,7 @@ help: use `dyn`
    |
 LL - fn function(x: &SomeTrait, y: Box<SomeTrait>) {
 LL + fn function(x: &SomeTrait, y: Box<dyn SomeTrait>) {
-   | 
+   |
 
 error: aborting due to 7 previous errors
 

src/test/ui/dyn-keyword/dyn-2021-edition-error.stderr

@@ -8,7 +8,7 @@ help: add `dyn` keyword before this trait
    |
 LL - fn function(x: &SomeTrait, y: Box<SomeTrait>) {
 LL + fn function(x: &dyn SomeTrait, y: Box<SomeTrait>) {
-   | 
+   |
 
 error[E0782]: trait objects must include the `dyn` keyword
   --> $DIR/dyn-2021-edition-error.rs:3:35
@@ -20,7 +20,7 @@ help: add `dyn` keyword before this trait
    |
 LL - fn function(x: &SomeTrait, y: Box<SomeTrait>) {
 LL + fn function(x: &SomeTrait, y: Box<dyn SomeTrait>) {
-   | 
+   |
 
 error: aborting due to 2 previous errors
 

src/test/ui/dyn-keyword/dyn-angle-brackets.stderr

@@ -15,7 +15,7 @@ help: use `dyn`
    |
 LL -         <fmt::Debug>::fmt(self, f)
 LL +         <dyn fmt::Debug>::fmt(self, f)
-   | 
+   |
 
 error: aborting due to previous error
 

src/test/ui/empty/empty-struct-unit-expr.stderr

@@ -24,7 +24,7 @@ help: `E::Empty4` is a unit variant, you need to write it without the parenthese
    |
 LL -     let e4 = E::Empty4();
 LL +     let e4 = E::Empty4;
-   | 
+   |
 
 error[E0618]: expected function, found `empty_struct::XEmpty2`
   --> $DIR/empty-struct-unit-expr.rs:18:15
@@ -46,7 +46,7 @@ help: `XE::XEmpty4` is a unit variant, you need to write it without the parenthe
    |
 LL -     let xe4 = XE::XEmpty4();
 LL +     let xe4 = XE::XEmpty4;
-   | 
+   |
 
 error: aborting due to 4 previous errors
 

src/test/ui/error-codes/E0109.stderr

@@ -10,7 +10,7 @@ help: primitive type `u32` doesn't have generic parameters
    |
 LL - type X = u32<i32>;
 LL + type X = u32;
-   | 
+   |
 
 error: aborting due to previous error
 

src/test/ui/error-codes/E0110.stderr

@@ -10,7 +10,7 @@ help: primitive type `u32` doesn't have generic parameters
    |
 LL - type X = u32<'static>;
 LL + type X = u32;
-   | 
+   |
 
 error: aborting due to previous error
 

src/test/ui/error-codes/E0255.stderr

@@ -3,7 +3,7 @@ error[E0255]: the name `foo` is defined multiple times
    |
 LL | use bar::foo;
    |     -------- previous import of the value `foo` here
-LL | 
+LL |
 LL | fn foo() {}
    | ^^^^^^^^ `foo` redefined here
    |

src/test/ui/error-codes/E0259.stderr

@@ -3,7 +3,7 @@ error[E0259]: the name `alloc` is defined multiple times
    |
 LL | extern crate alloc;
    | ------------------- previous import of the extern crate `alloc` here
-LL | 
+LL |
 LL | extern crate libc as alloc;
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ `alloc` reimported here
    |

src/test/ui/error-codes/E0260.stderr

@@ -3,7 +3,7 @@ error[E0260]: the name `alloc` is defined multiple times
    |
 LL | extern crate alloc;
    | ------------------- previous import of the extern crate `alloc` here
-LL | 
+LL |
 LL | mod alloc {
    | ^^^^^^^^^ `alloc` redefined here
    |

src/test/ui/error-codes/E0393.stderr

@@ -3,7 +3,7 @@ error[E0393]: the type parameter `T` must be explicitly specified
    |
 LL | trait A<T=Self> {}
    | ------------------ type parameter `T` must be specified for this
-LL | 
+LL |
 LL | fn together_we_will_rule_the_galaxy(son: &dyn A) {}
    |                                               ^ help: set the type parameter to the desired type: `A<T>`
    |

src/test/ui/error-codes/E0423.stderr

@@ -31,7 +31,7 @@ error[E0423]: expected function, tuple struct or tuple variant, found struct `Fo
    |
 LL |     struct Foo { a: bool };
    |     ---------------------- `Foo` defined here
-LL | 
+LL |
 LL |     let f = Foo();
    |             ^^^^^
 ...

src/test/ui/error-codes/E0429.stderr

@@ -8,7 +8,7 @@ help: consider importing the module directly
    |
 LL - use std::fmt::self;
 LL + use std::fmt;
-   | 
+   |
 help: alternatively, use the multi-path `use` syntax to import `self`
    |
 LL | use std::fmt::{self};

src/test/ui/error-codes/E0446.stderr

@@ -3,7 +3,7 @@ error[E0446]: private type `Bar` in public interface
    |
 LL |     struct Bar(u32);
    |     ---------------- `Bar` declared as private
-LL | 
+LL |
 LL |     pub fn bar() -> Bar {
    |     ^^^^^^^^^^^^^^^^^^^ can't leak private type
 

src/test/ui/error-codes/E0453.stderr

@@ -3,7 +3,7 @@ error[E0453]: allow(non_snake_case) incompatible with previous forbid
    |
 LL | #![forbid(non_snake_case)]
    |           -------------- `forbid` level set here
-LL | 
+LL |
 LL | #[allow(non_snake_case)]
    |         ^^^^^^^^^^^^^^ overruled by previous forbid
 
@@ -12,7 +12,7 @@ error[E0453]: allow(non_snake_case) incompatible with previous forbid
    |
 LL | #![forbid(non_snake_case)]
    |           -------------- `forbid` level set here
-LL | 
+LL |
 LL | #[allow(non_snake_case)]
    |         ^^^^^^^^^^^^^^ overruled by previous forbid
 

src/test/ui/error-codes/E0504.stderr

@@ -3,7 +3,7 @@ error[E0505]: cannot move out of `fancy_num` because it is borrowed
    |
 LL |     let fancy_ref = &fancy_num;
    |                     ---------- borrow of `fancy_num` occurs here
-LL | 
+LL |
 LL |     let x = move || {
    |             ^^^^^^^ move out of `fancy_num` occurs here
 LL |         println!("child function: {}", fancy_num.num);

src/test/ui/error-codes/E0506.stderr

@@ -5,7 +5,7 @@ LL |     let fancy_ref = &fancy_num;
    |                     ---------- borrow of `fancy_num` occurs here
 LL |     fancy_num = FancyNum { num: 6 };
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ assignment to borrowed `fancy_num` occurs here
-LL | 
+LL |
 LL |     println!("Num: {}, Ref: {}", fancy_num.num, fancy_ref.num);
    |                                                 ------------- borrow later used here
 

src/test/ui/error-codes/E0605.stderr

@@ -14,7 +14,7 @@ help: consider borrowing the value
    |
 LL -     v as &u8;
 LL +     &*v;
-   | 
+   |
 
 error: aborting due to 2 previous errors
 

src/test/ui/error-codes/E0618.stderr

@@ -13,7 +13,7 @@ help: `X::Entry` is a unit variant, you need to write it without the parentheses
    |
 LL -     X::Entry();
 LL +     X::Entry;
-   | 
+   |
 
 error[E0618]: expected function, found `i32`
   --> $DIR/E0618.rs:9:5

src/test/ui/expr/if/if-no-match-bindings.stderr

@@ -30,7 +30,7 @@ help: consider removing the borrow
    |
 LL -     if &true {}
 LL +     if true {}
-   | 
+   |
 
 error[E0308]: mismatched types
   --> $DIR/if-no-match-bindings.rs:21:8
@@ -42,7 +42,7 @@ help: consider removing the borrow
    |
 LL -     if &mut true {}
 LL +     if true {}
-   | 
+   |
 
 error[E0308]: mismatched types
   --> $DIR/if-no-match-bindings.rs:24:11
@@ -76,7 +76,7 @@ help: consider removing the borrow
    |
 LL -     while &true {}
 LL +     while true {}
-   | 
+   |
 
 error[E0308]: mismatched types
   --> $DIR/if-no-match-bindings.rs:27:11
@@ -88,7 +88,7 @@ help: consider removing the borrow
    |
 LL -     while &mut true {}
 LL +     while true {}
-   | 
+   |
 
 error: aborting due to 8 previous errors
 

src/test/ui/feature-gates/feature-gate-with_negative_coherence.stderr

@@ -3,7 +3,7 @@ error[E0119]: conflicting implementations of trait `Foo` for type `&_`
    |
 LL | impl<T: std::ops::DerefMut> Foo for T { }
    | ------------------------------------- first implementation here
-LL | 
+LL |
 LL | impl<T> Foo for &T { }
    | ^^^^^^^^^^^^^^^^^^ conflicting implementation for `&_`
 

src/test/ui/fmt/format-string-error.stderr

@@ -93,7 +93,7 @@ error: invalid format string: expected `'}'` but string was terminated
    |
 LL |     {
    |     - because of this opening brace
-LL | 
+LL |
 LL | "###);
    | ^ expected `'}'` in format string
    |

src/test/ui/generic-associated-types/equality-bound.stderr

@@ -9,7 +9,7 @@ help: if `Iterator::Item` is an associated type you're trying to set, use the as
    |
 LL - fn sum<I: Iterator<Item = ()>>(i: I) -> i32 where I::Item = i32 {
 LL + fn sum<I: Iterator<Item = (), Item = i32>>(i: I) -> i32 where  {
-   | 
+   |
 
 error: equality constraints are not yet supported in `where` clauses
   --> $DIR/equality-bound.rs:5:41
@@ -22,7 +22,7 @@ help: if `Iterator::Item` is an associated type you're trying to set, use the as
    |
 LL - fn sum2<I: Iterator>(i: I) -> i32 where I::Item = i32 {
 LL + fn sum2<I: Iterator<Item = i32>>(i: I) -> i32 where  {
-   | 
+   |
 
 error: equality constraints are not yet supported in `where` clauses
   --> $DIR/equality-bound.rs:9:41

src/test/ui/hashmap/hashmap-iter-value-lifetime.stderr

@@ -3,10 +3,10 @@ error[E0502]: cannot borrow `my_stuff` as mutable because it is also borrowed as
    |
 LL |     let (_, thing) = my_stuff.iter().next().unwrap();
    |                      --------------- immutable borrow occurs here
-LL | 
+LL |
 LL |     my_stuff.clear();
    |     ^^^^^^^^^^^^^^^^ mutable borrow occurs here
-LL | 
+LL |
 LL |     println!("{}", *thing);
    |                    ------ immutable borrow later used here
 

src/test/ui/impl-trait/impl-generic-mismatch.stderr

@@ -11,7 +11,7 @@ help: try removing the generic parameter and using `impl Trait` instead
    |
 LL -     fn foo<U: Debug>(&self, _: &U) { }
 LL +     fn foo(&self, _: &impl Debug) { }
-   | 
+   |
 
 error[E0643]: method `bar` has incompatible signature for trait
   --> $DIR/impl-generic-mismatch.rs:17:23

src/test/ui/impl-trait/recursive-impl-trait-type-through-non-recursive.stderr

@@ -3,7 +3,7 @@ error[E0720]: cannot resolve opaque type
    |
 LL | fn id<T>(t: T) -> impl Sized { t }
    |                   ---------- returning this opaque type `impl Sized`
-LL | 
+LL |
 LL | fn recursive_id() -> impl Sized {
    |                      ^^^^^^^^^^ recursive opaque type
 LL |     id(recursive_id2())
@@ -25,7 +25,7 @@ error[E0720]: cannot resolve opaque type
    |
 LL | fn wrap<T>(t: T) -> impl Sized { (t,) }
    |                     ---------- returning this opaque type `impl Sized`
-LL | 
+LL |
 LL | fn recursive_wrap() -> impl Sized {
    |                        ^^^^^^^^^^ recursive opaque type
 LL |     wrap(recursive_wrap2())

src/test/ui/imports/issue-45829/import-self.stderr

@@ -14,7 +14,7 @@ help: consider importing the module directly
    |
 LL - use foo::self;
 LL + use foo;
-   | 
+   |
 help: alternatively, use the multi-path `use` syntax to import `self`
    |
 LL | use foo::{self};

src/test/ui/imports/issue-59764.stderr

@@ -9,7 +9,7 @@ help: a macro with this name exists at the root of the crate
    |
 LL -     use issue_59764::foo::{baz, makro};
 LL +     use issue_59764::{makro, foo::{baz}};
-   | 
+   |
 
 error[E0432]: unresolved import `issue_59764::foo::makro`
   --> $DIR/issue-59764.rs:21:9
@@ -52,7 +52,7 @@ help: a macro with this name exists at the root of the crate
    |
 LL -     use issue_59764::foo::{baz, makro, foobar};
 LL +     use issue_59764::{makro, foo::{baz, foobar}};
-   | 
+   |
 
 error[E0432]: unresolved import `issue_59764::foo::makro`
   --> $DIR/issue-59764.rs:40:9
@@ -97,7 +97,7 @@ help: a macro with this name exists at the root of the crate
    |
 LL -     use issue_59764::{foobaz, foo::makro};
 LL +     use issue_59764::{makro, foobaz};
-   | 
+   |
 
 error[E0432]: unresolved import `issue_59764::foo::makro`
   --> $DIR/issue-59764.rs:59:42
@@ -110,7 +110,7 @@ help: a macro with this name exists at the root of the crate
    |
 LL -     use issue_59764::{foobaz, foo::{baz, makro}};
 LL +     use issue_59764::{makro, foobaz, foo::{baz}};
-   | 
+   |
 
 error[E0432]: unresolved import `issue_59764::foo::makro`
   --> $DIR/issue-59764.rs:68:13
@@ -155,7 +155,7 @@ help: a macro with this name exists at the root of the crate
    |
 LL -     use issue_59764::{foobaz, foo::{baz, makro, barbaz::{barfoo}}};
 LL +     use issue_59764::{makro, foobaz, foo::{baz, barbaz::{barfoo}}};
-   | 
+   |
 
 error[E0432]: unresolved import `issue_59764::foo::makro`
   --> $DIR/issue-59764.rs:93:13
@@ -196,7 +196,7 @@ help: a macro with this name exists at the root of the crate
    |
 LL -     use issue_59764::foo::{baz, makro as foobar};
 LL +     use issue_59764::{makro as foobar, foo::{baz}};
-   | 
+   |
 
 error[E0432]: unresolved import `issue_59764::foo::makro`
   --> $DIR/issue-59764.rs:120:17

src/test/ui/inference/deref-suggestion.stderr

@@ -48,7 +48,7 @@ help: consider removing the borrow
    |
 LL -     foo(&"aaa".to_owned());
 LL +     foo("aaa".to_owned());
-   | 
+   |
 
 error[E0308]: mismatched types
   --> $DIR/deref-suggestion.rs:32:9
@@ -67,7 +67,7 @@ help: consider removing the borrow
    |
 LL -     foo(&mut "aaa".to_owned());
 LL +     foo("aaa".to_owned());
-   | 
+   |
 
 error[E0308]: mismatched types
   --> $DIR/deref-suggestion.rs:2:20

src/test/ui/issues/issue-11873.stderr

@@ -7,7 +7,7 @@ LL |     let mut f = || v.push(2);
    |                 borrow of `v` occurs here
 LL |     let _w = v;
    |              ^ move out of `v` occurs here
-LL | 
+LL |
 LL |     f();
    |     - borrow later used here
 

src/test/ui/issues/issue-22370.stderr

@@ -3,7 +3,7 @@ error[E0393]: the type parameter `T` must be explicitly specified
    |
 LL | trait A<T=Self> {}
    | ------------------ type parameter `T` must be specified for this
-LL | 
+LL |
 LL | fn f(a: &dyn A) {}
    |              ^ help: set the type parameter to the desired type: `A<T>`
    |

src/test/ui/issues/issue-28472.stderr

@@ -3,7 +3,7 @@ error[E0428]: the name `foo` is defined multiple times
    |
 LL |     fn foo();
    |     --------- previous definition of the value `foo` here
-LL | 
+LL |
 LL | /   pub
 LL | |   fn foo();
    | |___________^ `foo` redefined here

src/test/ui/issues/issue-2995.stderr

@@ -8,7 +8,7 @@ help: consider borrowing the value
    |
 LL -     let _q: &isize = p as &isize;
 LL +     let _q: &isize = &*p;
-   | 
+   |
 
 error: aborting due to previous error
 

src/test/ui/issues/issue-3099-a.stderr

@@ -3,7 +3,7 @@ error[E0428]: the name `A` is defined multiple times
    |
 LL | enum A { B, C }
    | ------ previous definition of the type `A` here
-LL | 
+LL |
 LL | enum A { D, E }
    | ^^^^^^ `A` redefined here
    |

src/test/ui/issues/issue-3099-b.stderr

@@ -3,7 +3,7 @@ error[E0428]: the name `a` is defined multiple times
    |
 LL | pub mod a {}
    | --------- previous definition of the module `a` here
-LL | 
+LL |
 LL | pub mod a {}
    | ^^^^^^^^^ `a` redefined here
    |

src/test/ui/issues/issue-35241.stderr

@@ -3,7 +3,7 @@ error[E0308]: mismatched types
    |
 LL | struct Foo(u32);
    | ---------------- fn(u32) -> Foo {Foo} defined here
-LL | 
+LL |
 LL | fn test() -> Foo { Foo }
    |              ---   ^^^ expected struct `Foo`, found fn item
    |              |

src/test/ui/issues/issue-40510-1.stderr

@@ -3,7 +3,7 @@ error: captured variable cannot escape `FnMut` closure body
    |
 LL |     let mut x: Box<()> = Box::new(());
    |         ----- variable defined here
-LL | 
+LL |
 LL |     || {
    |      - inferred to be a `FnMut` closure
 LL |         &mut x

src/test/ui/issues/issue-40510-3.stderr

@@ -3,7 +3,7 @@ error: captured variable cannot escape `FnMut` closure body
    |
 LL |       let mut x: Vec<()> = Vec::new();
    |           ----- variable defined here
-LL | 
+LL |
 LL |       || {
    |        - inferred to be a `FnMut` closure
 LL | /         || {

src/test/ui/issues/issue-4265.stderr

@@ -5,7 +5,7 @@ LL | /     fn bar() {
 LL | |         Foo { baz: 0 }.bar();
 LL | |     }
    | |_____- previous definition of `bar` here
-LL | 
+LL |
 LL | /     fn bar() {
 LL | |     }
    | |_____^ duplicate definition

src/test/ui/issues/issue-47646.stderr

@@ -3,7 +3,7 @@ error[E0502]: cannot borrow `heap` as immutable because it is also borrowed as m
    |
 LL |     let borrow = heap.peek_mut();
    |                  --------------- mutable borrow occurs here
-LL | 
+LL |
 LL |     match (borrow, ()) {
    |           ------------ a temporary with access to the mutable borrow is created here ...
 LL |         (Some(_), ()) => {

src/test/ui/issues/issue-49257.stderr

@@ -11,7 +11,7 @@ help: move the `..` to the end of the field list
    |
 LL -     let Point { .., y, } = p;
 LL +     let Point { y, .. } = p;
-   | 
+   |
 
 error: expected `}`, found `,`
   --> $DIR/issue-49257.rs:11:19
@@ -26,7 +26,7 @@ help: move the `..` to the end of the field list
    |
 LL -     let Point { .., y } = p;
 LL +     let Point { y , .. } = p;
-   | 
+   |
 
 error: expected `}`, found `,`
   --> $DIR/issue-49257.rs:12:19

src/test/ui/issues/issue-51632-try-desugar-incompatible-types.stderr

@@ -11,7 +11,7 @@ help: try removing this `?`
    |
 LL -     missing_discourses()?
 LL +     missing_discourses()
-   | 
+   |
 help: try wrapping the expression in `Ok`
    |
 LL |     Ok(missing_discourses()?)

src/test/ui/issues/issue-64792-bad-unicode-ctor.stderr

@@ -3,7 +3,7 @@ error[E0423]: expected function, tuple struct or tuple variant, found struct `X`
    |
 LL | struct X {}
    | ----------- `X` defined here
-LL | 
+LL |
 LL | const Y: X = X("ö");
    |              ^^^^^^ help: use struct literal syntax instead: `X {}`
 

src/test/ui/issues/issue-86756.stderr

@@ -27,7 +27,7 @@ help: use `dyn`
    |
 LL -     eq::<dyn, Foo>
 LL +     eq::<dyn, dyn Foo>
-   | 
+   |
 
 error[E0107]: missing generics for trait `Foo`
   --> $DIR/issue-86756.rs:5:15

src/test/ui/iterators/into-iter-on-arrays-2018.stderr

@@ -59,7 +59,7 @@ help: or remove `.into_iter()` to iterate by value
    |
 LL -     for _ in [1, 2, 3].into_iter() {}
 LL +     for _ in [1, 2, 3] {}
-   | 
+   |
 
 warning: 5 warnings emitted