Show diff suggestion format on verbose replacement

```
error[E0610]: `{integer}` is a primitive type and therefore doesn't have fields
  --> $DIR/attempted-access-non-fatal.rs:7:15
   |
LL |     let _ = 2.l;
   |               ^
   |
help: if intended to be a floating point literal, consider adding a `0` after the period and a `f64` suffix
   |
LL -     let _ = 2.l;
LL +     let _ = 2.0f64;
   |
```

Author: estebank

tests/ui-toml/dbg_macro/dbg_macro.stderr

@@ -8,8 +8,9 @@ LL |     if let Some(n) = dbg!(n.checked_sub(4)) { n } else { n }
    = help: to override `-D warnings` add `#[allow(clippy::dbg_macro)]`
 help: remove the invocation before committing it to a version control system
    |
-LL |     if let Some(n) = n.checked_sub(4) { n } else { n }
-   |                      ~~~~~~~~~~~~~~~~
+LL -     if let Some(n) = dbg!(n.checked_sub(4)) { n } else { n }
+LL +     if let Some(n) = n.checked_sub(4) { n } else { n }
+   |
 
 error: the `dbg!` macro is intended as a debugging tool
   --> tests/ui-toml/dbg_macro/dbg_macro.rs:10:8
@@ -19,8 +20,9 @@ LL |     if dbg!(n <= 1) {
    |
 help: remove the invocation before committing it to a version control system
    |
-LL |     if n <= 1 {
-   |        ~~~~~~
+LL -     if dbg!(n <= 1) {
+LL +     if n <= 1 {
+   |
 
 error: the `dbg!` macro is intended as a debugging tool
   --> tests/ui-toml/dbg_macro/dbg_macro.rs:11:9
@@ -30,7 +32,8 @@ LL |         dbg!(1)
    |
 help: remove the invocation before committing it to a version control system
    |
-LL |         1
+LL -         dbg!(1)
+LL +         1
    |
 
 error: the `dbg!` macro is intended as a debugging tool
@@ -41,7 +44,8 @@ LL |         dbg!(n * factorial(n - 1))
    |
 help: remove the invocation before committing it to a version control system
    |
-LL |         n * factorial(n - 1)
+LL -         dbg!(n * factorial(n - 1))
+LL +         n * factorial(n - 1)
    |
 
 error: the `dbg!` macro is intended as a debugging tool
@@ -52,8 +56,9 @@ LL |     dbg!(42);
    |
 help: remove the invocation before committing it to a version control system
    |
-LL |     42;
-   |     ~~
+LL -     dbg!(42);
+LL +     42;
+   |
 
 error: the `dbg!` macro is intended as a debugging tool
   --> tests/ui-toml/dbg_macro/dbg_macro.rs:19:14
@@ -63,8 +68,9 @@ LL |     foo(3) + dbg!(factorial(4));
    |
 help: remove the invocation before committing it to a version control system
    |
-LL |     foo(3) + factorial(4);
-   |              ~~~~~~~~~~~~
+LL -     foo(3) + dbg!(factorial(4));
+LL +     foo(3) + factorial(4);
+   |
 
 error: the `dbg!` macro is intended as a debugging tool
   --> tests/ui-toml/dbg_macro/dbg_macro.rs:20:5
@@ -74,8 +80,9 @@ LL |     dbg!(1, 2, 3, 4, 5);
    |
 help: remove the invocation before committing it to a version control system
    |
-LL |     (1, 2, 3, 4, 5);
-   |     ~~~~~~~~~~~~~~~
+LL -     dbg!(1, 2, 3, 4, 5);
+LL +     (1, 2, 3, 4, 5);
+   |
 
 error: aborting due to 7 previous errors
 

tests/ui-toml/doc_valid_idents_append/doc_markdown.stderr

@@ -8,8 +8,9 @@ LL | /// TestItemThingyOfCoolness might sound cool but is not on the list and sh
    = help: to override `-D warnings` add `#[allow(clippy::doc_markdown)]`
 help: try
    |
-LL | /// `TestItemThingyOfCoolness` might sound cool but is not on the list and should be linted.
-   |     ~~~~~~~~~~~~~~~~~~~~~~~~~~
+LL - /// TestItemThingyOfCoolness might sound cool but is not on the list and should be linted.
+LL + /// `TestItemThingyOfCoolness` might sound cool but is not on the list and should be linted.
+   |
 
 error: aborting due to 1 previous error
 

tests/ui-toml/doc_valid_idents_replace/doc_markdown.stderr

@@ -8,8 +8,9 @@ LL | /// OAuth and LaTeX are inside Clippy's default list.
    = help: to override `-D warnings` add `#[allow(clippy::doc_markdown)]`
 help: try
    |
-LL | /// `OAuth` and LaTeX are inside Clippy's default list.
-   |     ~~~~~~~
+LL - /// OAuth and LaTeX are inside Clippy's default list.
+LL + /// `OAuth` and LaTeX are inside Clippy's default list.
+   |
 
 error: item in documentation is missing backticks
   --> tests/ui-toml/doc_valid_idents_replace/doc_markdown.rs:6:15
@@ -19,8 +20,9 @@ LL | /// OAuth and LaTeX are inside Clippy's default list.
    |
 help: try
    |
-LL | /// OAuth and `LaTeX` are inside Clippy's default list.
-   |               ~~~~~~~
+LL - /// OAuth and LaTeX are inside Clippy's default list.
+LL + /// OAuth and `LaTeX` are inside Clippy's default list.
+   |
 
 error: item in documentation is missing backticks
   --> tests/ui-toml/doc_valid_idents_replace/doc_markdown.rs:9:5
@@ -30,8 +32,9 @@ LL | /// TestItemThingyOfCoolness might sound cool but is not on the list and sh
    |
 help: try
    |
-LL | /// `TestItemThingyOfCoolness` might sound cool but is not on the list and should be linted.
-   |     ~~~~~~~~~~~~~~~~~~~~~~~~~~
+LL - /// TestItemThingyOfCoolness might sound cool but is not on the list and should be linted.
+LL + /// `TestItemThingyOfCoolness` might sound cool but is not on the list and should be linted.
+   |
 
 error: aborting due to 3 previous errors
 

tests/ui-toml/enum_variant_size/enum_variant_size.stderr

@@ -14,8 +14,9 @@ LL | | }
    = help: to override `-D warnings` add `#[allow(clippy::large_enum_variant)]`
 help: consider boxing the large fields to reduce the total size of the enum
    |
-LL |     B(Box<[u8; 501]>),
-   |       ~~~~~~~~~~~~~~
+LL -     B([u8; 501]),
+LL +     B(Box<[u8; 501]>),
+   |
 
 error: aborting due to 1 previous error
 

tests/ui-toml/renamed_function_params/renamed_function_params.default.stderr

@@ -33,8 +33,9 @@ LL |     fn hash_slice<H: Hasher>(date: &[Self], states: &mut H) {
    |
 help: consider using the default names
    |
-LL |     fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) {
-   |                              ~~~~           ~~~~~
+LL -     fn hash_slice<H: Hasher>(date: &[Self], states: &mut H) {
+LL +     fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) {
+   |
 
 error: renamed function parameter of trait impl
   --> tests/ui-toml/renamed_function_params/renamed_function_params.rs:80:18

tests/ui-toml/renamed_function_params/renamed_function_params.extend.stderr

@@ -27,8 +27,9 @@ LL |     fn hash_slice<H: Hasher>(date: &[Self], states: &mut H) {
    |
 help: consider using the default names
    |
-LL |     fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) {
-   |                              ~~~~           ~~~~~
+LL -     fn hash_slice<H: Hasher>(date: &[Self], states: &mut H) {
+LL +     fn hash_slice<H: Hasher>(data: &[Self], state: &mut H) {
+   |
 
 error: aborting due to 4 previous errors
 

tests/ui-toml/unwrap_used/unwrap_used.stderr

@@ -8,8 +8,9 @@ LL |         let _ = boxed_slice.get(1).unwrap();
    = help: to override `-D warnings` add `#[allow(clippy::get_unwrap)]`
 help: using `[]` is clearer and more concise
    |
-LL |         let _ = &boxed_slice[1];
-   |                 ~~~~~~~~~~~~~~~
+LL -         let _ = boxed_slice.get(1).unwrap();
+LL +         let _ = &boxed_slice[1];
+   |
 
 error: used `unwrap()` on an `Option` value
   --> tests/ui-toml/unwrap_used/unwrap_used.rs:38:17
@@ -30,8 +31,9 @@ LL |         let _ = some_slice.get(0).unwrap();
    |
 help: using `[]` is clearer and more concise
    |
-LL |         let _ = &some_slice[0];
-   |                 ~~~~~~~~~~~~~~
+LL -         let _ = some_slice.get(0).unwrap();
+LL +         let _ = &some_slice[0];
+   |
 
 error: used `unwrap()` on an `Option` value
   --> tests/ui-toml/unwrap_used/unwrap_used.rs:39:17
@@ -50,8 +52,9 @@ LL |         let _ = some_vec.get(0).unwrap();
    |
 help: using `[]` is clearer and more concise
    |
-LL |         let _ = &some_vec[0];
-   |                 ~~~~~~~~~~~~
+LL -         let _ = some_vec.get(0).unwrap();
+LL +         let _ = &some_vec[0];
+   |
 
 error: used `unwrap()` on an `Option` value
   --> tests/ui-toml/unwrap_used/unwrap_used.rs:40:17
@@ -70,8 +73,9 @@ LL |         let _ = some_vecdeque.get(0).unwrap();
    |
 help: using `[]` is clearer and more concise
    |
-LL |         let _ = &some_vecdeque[0];
-   |                 ~~~~~~~~~~~~~~~~~
+LL -         let _ = some_vecdeque.get(0).unwrap();
+LL +         let _ = &some_vecdeque[0];
+   |
 
 error: used `unwrap()` on an `Option` value
   --> tests/ui-toml/unwrap_used/unwrap_used.rs:41:17
@@ -90,8 +94,9 @@ LL |         let _ = some_hashmap.get(&1).unwrap();
    |
 help: using `[]` is clearer and more concise
    |
-LL |         let _ = &some_hashmap[&1];
-   |                 ~~~~~~~~~~~~~~~~~
+LL -         let _ = some_hashmap.get(&1).unwrap();
+LL +         let _ = &some_hashmap[&1];
+   |
 
 error: used `unwrap()` on an `Option` value
   --> tests/ui-toml/unwrap_used/unwrap_used.rs:42:17
@@ -110,8 +115,9 @@ LL |         let _ = some_btreemap.get(&1).unwrap();
    |
 help: using `[]` is clearer and more concise
    |
-LL |         let _ = &some_btreemap[&1];
-   |                 ~~~~~~~~~~~~~~~~~~
+LL -         let _ = some_btreemap.get(&1).unwrap();
+LL +         let _ = &some_btreemap[&1];
+   |
 
 error: used `unwrap()` on an `Option` value
   --> tests/ui-toml/unwrap_used/unwrap_used.rs:43:17
@@ -130,8 +136,9 @@ LL |         let _: u8 = *boxed_slice.get(1).unwrap();
    |
 help: using `[]` is clearer and more concise
    |
-LL |         let _: u8 = boxed_slice[1];
-   |                     ~~~~~~~~~~~~~~
+LL -         let _: u8 = *boxed_slice.get(1).unwrap();
+LL +         let _: u8 = boxed_slice[1];
+   |
 
 error: used `unwrap()` on an `Option` value
   --> tests/ui-toml/unwrap_used/unwrap_used.rs:47:22
@@ -150,8 +157,9 @@ LL |         *boxed_slice.get_mut(0).unwrap() = 1;
    |
 help: using `[]` is clearer and more concise
    |
-LL |         boxed_slice[0] = 1;
-   |         ~~~~~~~~~~~~~~
+LL -         *boxed_slice.get_mut(0).unwrap() = 1;
+LL +         boxed_slice[0] = 1;
+   |
 
 error: used `unwrap()` on an `Option` value
   --> tests/ui-toml/unwrap_used/unwrap_used.rs:52:10
@@ -170,8 +178,9 @@ LL |         *some_slice.get_mut(0).unwrap() = 1;
    |
 help: using `[]` is clearer and more concise
    |
-LL |         some_slice[0] = 1;
-   |         ~~~~~~~~~~~~~
+LL -         *some_slice.get_mut(0).unwrap() = 1;
+LL +         some_slice[0] = 1;
+   |
 
 error: used `unwrap()` on an `Option` value
   --> tests/ui-toml/unwrap_used/unwrap_used.rs:53:10
@@ -190,8 +199,9 @@ LL |         *some_vec.get_mut(0).unwrap() = 1;
    |
 help: using `[]` is clearer and more concise
    |
-LL |         some_vec[0] = 1;
-   |         ~~~~~~~~~~~
+LL -         *some_vec.get_mut(0).unwrap() = 1;
+LL +         some_vec[0] = 1;
+   |
 
 error: used `unwrap()` on an `Option` value
   --> tests/ui-toml/unwrap_used/unwrap_used.rs:54:10
@@ -210,8 +220,9 @@ LL |         *some_vecdeque.get_mut(0).unwrap() = 1;
    |
 help: using `[]` is clearer and more concise
    |
-LL |         some_vecdeque[0] = 1;
-   |         ~~~~~~~~~~~~~~~~
+LL -         *some_vecdeque.get_mut(0).unwrap() = 1;
+LL +         some_vecdeque[0] = 1;
+   |
 
 error: used `unwrap()` on an `Option` value
   --> tests/ui-toml/unwrap_used/unwrap_used.rs:55:10
@@ -230,8 +241,9 @@ LL |         let _ = some_vec.get(0..1).unwrap().to_vec();
    |
 help: using `[]` is clearer and more concise
    |
-LL |         let _ = some_vec[0..1].to_vec();
-   |                 ~~~~~~~~~~~~~~
+LL -         let _ = some_vec.get(0..1).unwrap().to_vec();
+LL +         let _ = some_vec[0..1].to_vec();
+   |
 
 error: used `unwrap()` on an `Option` value
   --> tests/ui-toml/unwrap_used/unwrap_used.rs:67:17
@@ -250,8 +262,9 @@ LL |         let _ = some_vec.get_mut(0..1).unwrap().to_vec();
    |
 help: using `[]` is clearer and more concise
    |
-LL |         let _ = some_vec[0..1].to_vec();
-   |                 ~~~~~~~~~~~~~~
+LL -         let _ = some_vec.get_mut(0..1).unwrap().to_vec();
+LL +         let _ = some_vec[0..1].to_vec();
+   |
 
 error: used `unwrap()` on an `Option` value
   --> tests/ui-toml/unwrap_used/unwrap_used.rs:68:17
@@ -270,8 +283,9 @@ LL |     let _ = boxed_slice.get(1).unwrap();
    |
 help: using `[]` is clearer and more concise
    |
-LL |     let _ = &boxed_slice[1];
-   |             ~~~~~~~~~~~~~~~
+LL -     let _ = boxed_slice.get(1).unwrap();
+LL +     let _ = &boxed_slice[1];
+   |
 
 error: called `.get().unwrap()` on a slice
   --> tests/ui-toml/unwrap_used/unwrap_used.rs:94:17
@@ -281,8 +295,9 @@ LL |         let _ = Box::new([0]).get(1).unwrap();
    |
 help: using `[]` is clearer and more concise
    |
-LL |         let _ = &Box::new([0])[1];
-   |                 ~~~~~~~~~~~~~~~~~
+LL -         let _ = Box::new([0]).get(1).unwrap();
+LL +         let _ = &Box::new([0])[1];
+   |
 
 error: aborting due to 28 previous errors