Auto merge of #100082 - matthiaskrgr:rollup-ywu4iux, r=matthiaskrgr

Rollup of 6 pull requests

Successful merges:

 - #99933 (parallelize HTML checking tool)
 - #99958 (Improve position named arguments lint underline and formatting names)
 - #100008 (Update all pre-cloned submodules on startup)
 - #100049 (:arrow_up: rust-analyzer)
 - #100070 (Clarify Cargo.toml comments)
 - #100074 (rustc-docs: Be less specific about the representation of `+bundle`)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup

5 files changed, 220 insertions, 104 deletions

diff --git a/src/test/ui/macros/issue-98466.stderr b/src/test/ui/macros/issue-98466.stderr
index 4a39dd1440b..c93451c761a 100644
--- a/src/test/ui/macros/issue-98466.stderr
+++ b/src/test/ui/macros/issue-98466.stderr
@@ -2,9 +2,9 @@ warning: named argument `_x` is not used by name
   --> $DIR/issue-98466.rs:7:26
    |
 LL |     println!("_x is {}", _x = 5);
-   |                      -   ^^ this named argument is only referred to by position in formatting string
-   |                      |
-   |                      this formatting argument uses named argument `_x` by position
+   |                     --   ^^ this named argument is referred to by position in formatting string
+   |                     |
+   |                     this formatting argument uses named argument `_x` by position
    |
    = note: `#[warn(named_arguments_used_positionally)]` on by default
 help: use the named argument by name to avoid ambiguity
@@ -16,9 +16,9 @@ warning: named argument `y` is not used by name
   --> $DIR/issue-98466.rs:10:26
    |
 LL |     println!("_x is {}", y = _x);
-   |                      -   ^ this named argument is only referred to by position in formatting string
-   |                      |
-   |                      this formatting argument uses named argument `y` by position
+   |                     --   ^ this named argument is referred to by position in formatting string
+   |                     |
+   |                     this formatting argument uses named argument `y` by position
    |
 help: use the named argument by name to avoid ambiguity
    |
@@ -29,9 +29,9 @@ warning: named argument `y` is not used by name
   --> $DIR/issue-98466.rs:13:83
    |
 LL |     println!("first positional arg {}, second positional arg {}, _x is {}", 1, 2, y = _x);
-   |                                                                         -         ^ this named argument is only referred to by position in formatting string
-   |                                                                         |
-   |                                                                         this formatting argument uses named argument `y` by position
+   |                                                                        --         ^ this named argument is referred to by position in formatting string
+   |                                                                        |
+   |                                                                        this formatting argument uses named argument `y` by position
    |
 help: use the named argument by name to avoid ambiguity
    |
@@ -42,9 +42,9 @@ warning: named argument `_x` is not used by name
   --> $DIR/issue-98466.rs:19:34
    |
 LL |     let _f = format!("_x is {}", _x = 5);
-   |                              -   ^^ this named argument is only referred to by position in formatting string
-   |                              |
-   |                              this formatting argument uses named argument `_x` by position
+   |                             --   ^^ this named argument is referred to by position in formatting string
+   |                             |
+   |                             this formatting argument uses named argument `_x` by position
    |
 help: use the named argument by name to avoid ambiguity
    |
@@ -55,9 +55,9 @@ warning: named argument `y` is not used by name
   --> $DIR/issue-98466.rs:22:34
    |
 LL |     let _f = format!("_x is {}", y = _x);
-   |                              -   ^ this named argument is only referred to by position in formatting string
-   |                              |
-   |                              this formatting argument uses named argument `y` by position
+   |                             --   ^ this named argument is referred to by position in formatting string
+   |                             |
+   |                             this formatting argument uses named argument `y` by position
    |
 help: use the named argument by name to avoid ambiguity
    |
@@ -68,9 +68,9 @@ warning: named argument `y` is not used by name
   --> $DIR/issue-98466.rs:25:91
    |
 LL |     let _f = format!("first positional arg {}, second positional arg {}, _x is {}", 1, 2, y = _x);
-   |                                                                                 -         ^ this named argument is only referred to by position in formatting string
-   |                                                                                 |
-   |                                                                                 this formatting argument uses named argument `y` by position
+   |                                                                                --         ^ this named argument is referred to by position in formatting string
+   |                                                                                |
+   |                                                                                this formatting argument uses named argument `y` by position
    |
 help: use the named argument by name to avoid ambiguity
    |
diff --git a/src/test/ui/macros/issue-99265.stderr b/src/test/ui/macros/issue-99265.stderr
index 0798ad8dc51..2bfeedd7d07 100644
--- a/src/test/ui/macros/issue-99265.stderr
+++ b/src/test/ui/macros/issue-99265.stderr
@@ -2,9 +2,9 @@ warning: named argument `a` is not used by name
   --> $DIR/issue-99265.rs:5:24
    |
 LL |     println!("{b} {}", a=1, b=2);
-   |                    -   ^ this named argument is only referred to by position in formatting string
-   |                    |
-   |                    this formatting argument uses named argument `a` by position
+   |                   --   ^ this named argument is referred to by position in formatting string
+   |                   |
+   |                   this formatting argument uses named argument `a` by position
    |
    = note: `#[warn(named_arguments_used_positionally)]` on by default
 help: use the named argument by name to avoid ambiguity
@@ -16,9 +16,9 @@ warning: named argument `a` is not used by name
   --> $DIR/issue-99265.rs:9:35
    |
 LL |     println!("{} {} {} {} {}", 0, a=1, b=2, c=3, d=4);
-   |                   -               ^ this named argument is only referred to by position in formatting string
-   |                   |
-   |                   this formatting argument uses named argument `a` by position
+   |                  --               ^ this named argument is referred to by position in formatting string
+   |                  |
+   |                  this formatting argument uses named argument `a` by position
    |
 help: use the named argument by name to avoid ambiguity
    |
@@ -29,9 +29,9 @@ warning: named argument `b` is not used by name
   --> $DIR/issue-99265.rs:9:40
    |
 LL |     println!("{} {} {} {} {}", 0, a=1, b=2, c=3, d=4);
-   |                      -                 ^ this named argument is only referred to by position in formatting string
-   |                      |
-   |                      this formatting argument uses named argument `b` by position
+   |                     --                 ^ this named argument is referred to by position in formatting string
+   |                     |
+   |                     this formatting argument uses named argument `b` by position
    |
 help: use the named argument by name to avoid ambiguity
    |
@@ -42,9 +42,9 @@ warning: named argument `c` is not used by name
   --> $DIR/issue-99265.rs:9:45
    |
 LL |     println!("{} {} {} {} {}", 0, a=1, b=2, c=3, d=4);
-   |                         -                   ^ this named argument is only referred to by position in formatting string
-   |                         |
-   |                         this formatting argument uses named argument `c` by position
+   |                        --                   ^ this named argument is referred to by position in formatting string
+   |                        |
+   |                        this formatting argument uses named argument `c` by position
    |
 help: use the named argument by name to avoid ambiguity
    |
@@ -55,9 +55,9 @@ warning: named argument `d` is not used by name
   --> $DIR/issue-99265.rs:9:50
    |
 LL |     println!("{} {} {} {} {}", 0, a=1, b=2, c=3, d=4);
-   |                            -                     ^ this named argument is only referred to by position in formatting string
-   |                            |
-   |                            this formatting argument uses named argument `d` by position
+   |                           --                     ^ this named argument is referred to by position in formatting string
+   |                           |
+   |                           this formatting argument uses named argument `d` by position
    |
 help: use the named argument by name to avoid ambiguity
    |
@@ -68,9 +68,9 @@ warning: named argument `width` is not used by name
   --> $DIR/issue-99265.rs:19:35
    |
 LL |     println!("Hello {:1$}!", "x", width = 5);
-   |                       --          ^^^^^ this named argument is only referred to by position in formatting string
+   |                       --          ^^^^^ this named argument is referred to by position in formatting string
    |                       |
-   |                       this formatting argument uses named argument `width$` by position
+   |                       this formatting argument uses named argument `width` by position
    |
 help: use the named argument by name to avoid ambiguity
    |
@@ -81,9 +81,9 @@ warning: named argument `width` is not used by name
   --> $DIR/issue-99265.rs:23:46
    |
 LL |     println!("Hello {:1$.2$}!", f = 0.02f32, width = 5, precision = 2);
-   |                       --                     ^^^^^ this named argument is only referred to by position in formatting string
+   |                       --                     ^^^^^ this named argument is referred to by position in formatting string
    |                       |
-   |                       this formatting argument uses named argument `width$` by position
+   |                       this formatting argument uses named argument `width` by position
    |
 help: use the named argument by name to avoid ambiguity
    |
@@ -94,9 +94,9 @@ warning: named argument `precision` is not used by name
   --> $DIR/issue-99265.rs:23:57
    |
 LL |     println!("Hello {:1$.2$}!", f = 0.02f32, width = 5, precision = 2);
-   |                          --                             ^^^^^^^^^ this named argument is only referred to by position in formatting string
+   |                          --                             ^^^^^^^^^ this named argument is referred to by position in formatting string
    |                          |
-   |                          this formatting argument uses named argument `precision$` by position
+   |                          this formatting argument uses named argument `precision` by position
    |
 help: use the named argument by name to avoid ambiguity
    |
@@ -107,9 +107,9 @@ warning: named argument `f` is not used by name
   --> $DIR/issue-99265.rs:23:33
    |
 LL |     println!("Hello {:1$.2$}!", f = 0.02f32, width = 5, precision = 2);
-   |                      -          ^ this named argument is only referred to by position in formatting string
-   |                      |
-   |                      this formatting argument uses named argument `f` by position
+   |                     --          ^ this named argument is referred to by position in formatting string
+   |                     |
+   |                     this formatting argument uses named argument `f` by position
    |
 help: use the named argument by name to avoid ambiguity
    |
@@ -120,9 +120,9 @@ warning: named argument `width` is not used by name
   --> $DIR/issue-99265.rs:31:47
    |
 LL |     println!("Hello {0:1$.2$}!", f = 0.02f32, width = 5, precision = 2);
-   |                        --                     ^^^^^ this named argument is only referred to by position in formatting string
+   |                        --                     ^^^^^ this named argument is referred to by position in formatting string
    |                        |
-   |                        this formatting argument uses named argument `width$` by position
+   |                        this formatting argument uses named argument `width` by position
    |
 help: use the named argument by name to avoid ambiguity
    |
@@ -133,9 +133,9 @@ warning: named argument `precision` is not used by name
   --> $DIR/issue-99265.rs:31:58
    |
 LL |     println!("Hello {0:1$.2$}!", f = 0.02f32, width = 5, precision = 2);
-   |                           --                             ^^^^^^^^^ this named argument is only referred to by position in formatting string
+   |                           --                             ^^^^^^^^^ this named argument is referred to by position in formatting string
    |                           |
-   |                           this formatting argument uses named argument `precision$` by position
+   |                           this formatting argument uses named argument `precision` by position
    |
 help: use the named argument by name to avoid ambiguity
    |
@@ -146,7 +146,7 @@ warning: named argument `f` is not used by name
   --> $DIR/issue-99265.rs:31:34
    |
 LL |     println!("Hello {0:1$.2$}!", f = 0.02f32, width = 5, precision = 2);
-   |                      -           ^ this named argument is only referred to by position in formatting string
+   |                      -           ^ this named argument is referred to by position in formatting string
    |                      |
    |                      this formatting argument uses named argument `f` by position
    |
@@ -159,10 +159,10 @@ warning: named argument `width` is not used by name
   --> $DIR/issue-99265.rs:52:9
    |
 LL |         "{}, Hello {1:2$.3$} {4:5$.6$}! {1}",
-   |                       -- this formatting argument uses named argument `width$` by position
+   |                       -- this formatting argument uses named argument `width` by position
 ...
 LL |         width = 5,
-   |         ^^^^^ this named argument is only referred to by position in formatting string
+   |         ^^^^^ this named argument is referred to by position in formatting string
    |
 help: use the named argument by name to avoid ambiguity
    |
@@ -173,10 +173,10 @@ warning: named argument `precision` is not used by name
   --> $DIR/issue-99265.rs:54:9
    |
 LL |         "{}, Hello {1:2$.3$} {4:5$.6$}! {1}",
-   |                          -- this formatting argument uses named argument `precision$` by position
+   |                          -- this formatting argument uses named argument `precision` by position
 ...
 LL |         precision = 2,
-   |         ^^^^^^^^^ this named argument is only referred to by position in formatting string
+   |         ^^^^^^^^^ this named argument is referred to by position in formatting string
    |
 help: use the named argument by name to avoid ambiguity
    |
@@ -190,7 +190,7 @@ LL |         "{}, Hello {1:2$.3$} {4:5$.6$}! {1}",
    |                     - this formatting argument uses named argument `f` by position
 ...
 LL |         f = 0.02f32,
-   |         ^ this named argument is only referred to by position in formatting string
+   |         ^ this named argument is referred to by position in formatting string
    |
 help: use the named argument by name to avoid ambiguity
    |
@@ -201,10 +201,10 @@ warning: named argument `width2` is not used by name
   --> $DIR/issue-99265.rs:58:9
    |
 LL |         "{}, Hello {1:2$.3$} {4:5$.6$}! {1}",
-   |                                 -- this formatting argument uses named argument `width2$` by position
+   |                                 -- this formatting argument uses named argument `width2` by position
 ...
 LL |         width2 = 5,
-   |         ^^^^^^ this named argument is only referred to by position in formatting string
+   |         ^^^^^^ this named argument is referred to by position in formatting string
    |
 help: use the named argument by name to avoid ambiguity
    |
@@ -215,10 +215,10 @@ warning: named argument `precision2` is not used by name
   --> $DIR/issue-99265.rs:60:9
    |
 LL |         "{}, Hello {1:2$.3$} {4:5$.6$}! {1}",
-   |                                    -- this formatting argument uses named argument `precision2$` by position
+   |                                    -- this formatting argument uses named argument `precision2` by position
 ...
 LL |         precision2 = 2
-   |         ^^^^^^^^^^ this named argument is only referred to by position in formatting string
+   |         ^^^^^^^^^^ this named argument is referred to by position in formatting string
    |
 help: use the named argument by name to avoid ambiguity
    |
@@ -232,7 +232,7 @@ LL |         "{}, Hello {1:2$.3$} {4:5$.6$}! {1}",
    |                               - this formatting argument uses named argument `g` by position
 ...
 LL |         g = 0.02f32,
-   |         ^ this named argument is only referred to by position in formatting string
+   |         ^ this named argument is referred to by position in formatting string
    |
 help: use the named argument by name to avoid ambiguity
    |
@@ -246,7 +246,7 @@ LL |         "{}, Hello {1:2$.3$} {4:5$.6$}! {1}",
    |                                          - this formatting argument uses named argument `f` by position
 ...
 LL |         f = 0.02f32,
-   |         ^ this named argument is only referred to by position in formatting string
+   |         ^ this named argument is referred to by position in formatting string
    |
 help: use the named argument by name to avoid ambiguity
    |
@@ -257,9 +257,9 @@ warning: named argument `f` is not used by name
   --> $DIR/issue-99265.rs:64:31
    |
 LL |     println!("Hello {:0.1}!", f = 0.02f32);
-   |                      -        ^ this named argument is only referred to by position in formatting string
-   |                      |
-   |                      this formatting argument uses named argument `f` by position
+   |                     --        ^ this named argument is referred to by position in formatting string
+   |                     |
+   |                     this formatting argument uses named argument `f` by position
    |
 help: use the named argument by name to avoid ambiguity
    |
@@ -270,7 +270,7 @@ warning: named argument `f` is not used by name
   --> $DIR/issue-99265.rs:68:32
    |
 LL |     println!("Hello {0:0.1}!", f = 0.02f32);
-   |                      -         ^ this named argument is only referred to by position in formatting string
+   |                      -         ^ this named argument is referred to by position in formatting string
    |                      |
    |                      this formatting argument uses named argument `f` by position
    |
@@ -283,9 +283,9 @@ warning: named argument `v` is not used by name
   --> $DIR/issue-99265.rs:79:23
    |
 LL |     println!("{:0$}", v = val);
-   |                 --    ^ this named argument is only referred to by position in formatting string
+   |                 --    ^ this named argument is referred to by position in formatting string
    |                 |
-   |                 this formatting argument uses named argument `v$` by position
+   |                 this formatting argument uses named argument `v` by position
    |
 help: use the named argument by name to avoid ambiguity
    |
@@ -296,9 +296,9 @@ warning: named argument `v` is not used by name
   --> $DIR/issue-99265.rs:79:23
    |
 LL |     println!("{:0$}", v = val);
-   |                -      ^ this named argument is only referred to by position in formatting string
-   |                |
-   |                this formatting argument uses named argument `v` by position
+   |               --      ^ this named argument is referred to by position in formatting string
+   |               |
+   |               this formatting argument uses named argument `v` by position
    |
 help: use the named argument by name to avoid ambiguity
    |
@@ -309,9 +309,9 @@ warning: named argument `v` is not used by name
   --> $DIR/issue-99265.rs:84:24
    |
 LL |     println!("{0:0$}", v = val);
-   |                  --    ^ this named argument is only referred to by position in formatting string
+   |                  --    ^ this named argument is referred to by position in formatting string
    |                  |
-   |                  this formatting argument uses named argument `v$` by position
+   |                  this formatting argument uses named argument `v` by position
    |
 help: use the named argument by name to avoid ambiguity
    |
@@ -322,7 +322,7 @@ warning: named argument `v` is not used by name
   --> $DIR/issue-99265.rs:84:24
    |
 LL |     println!("{0:0$}", v = val);
-   |                -       ^ this named argument is only referred to by position in formatting string
+   |                -       ^ this named argument is referred to by position in formatting string
    |                |
    |                this formatting argument uses named argument `v` by position
    |
@@ -335,9 +335,9 @@ warning: named argument `v` is not used by name
   --> $DIR/issue-99265.rs:89:26
    |
 LL |     println!("{:0$.0$}", v = val);
-   |                 --       ^ this named argument is only referred to by position in formatting string
+   |                 --       ^ this named argument is referred to by position in formatting string
    |                 |
-   |                 this formatting argument uses named argument `v$` by position
+   |                 this formatting argument uses named argument `v` by position
    |
 help: use the named argument by name to avoid ambiguity
    |
@@ -348,9 +348,9 @@ warning: named argument `v` is not used by name
   --> $DIR/issue-99265.rs:89:26
    |
 LL |     println!("{:0$.0$}", v = val);
-   |                    --    ^ this named argument is only referred to by position in formatting string
+   |                    --    ^ this named argument is referred to by position in formatting string
    |                    |
-   |                    this formatting argument uses named argument `v$` by position
+   |                    this formatting argument uses named argument `v` by position
    |
 help: use the named argument by name to avoid ambiguity
    |
@@ -361,9 +361,9 @@ warning: named argument `v` is not used by name
   --> $DIR/issue-99265.rs:89:26
    |
 LL |     println!("{:0$.0$}", v = val);
-   |                -         ^ this named argument is only referred to by position in formatting string
-   |                |
-   |                this formatting argument uses named argument `v` by position
+   |               --         ^ this named argument is referred to by position in formatting string
+   |               |
+   |               this formatting argument uses named argument `v` by position
    |
 help: use the named argument by name to avoid ambiguity
    |
@@ -374,9 +374,9 @@ warning: named argument `v` is not used by name
   --> $DIR/issue-99265.rs:96:27
    |
 LL |     println!("{0:0$.0$}", v = val);
-   |                  --       ^ this named argument is only referred to by position in formatting string
+   |                  --       ^ this named argument is referred to by position in formatting string
    |                  |
-   |                  this formatting argument uses named argument `v$` by position
+   |                  this formatting argument uses named argument `v` by position
    |
 help: use the named argument by name to avoid ambiguity
    |
@@ -387,9 +387,9 @@ warning: named argument `v` is not used by name
   --> $DIR/issue-99265.rs:96:27
    |
 LL |     println!("{0:0$.0$}", v = val);
-   |                     --    ^ this named argument is only referred to by position in formatting string
+   |                     --    ^ this named argument is referred to by position in formatting string
    |                     |
-   |                     this formatting argument uses named argument `v$` by position
+   |                     this formatting argument uses named argument `v` by position
    |
 help: use the named argument by name to avoid ambiguity
    |
@@ -400,7 +400,7 @@ warning: named argument `v` is not used by name
   --> $DIR/issue-99265.rs:96:27
    |
 LL |     println!("{0:0$.0$}", v = val);
-   |                -          ^ this named argument is only referred to by position in formatting string
+   |                -          ^ this named argument is referred to by position in formatting string
    |                |
    |                this formatting argument uses named argument `v` by position
    |
@@ -413,9 +413,9 @@ warning: named argument `a` is not used by name
   --> $DIR/issue-99265.rs:104:28
    |
 LL |     println!("{} {a} {0}", a = 1);
-   |                -           ^ this named argument is only referred to by position in formatting string
-   |                |
-   |                this formatting argument uses named argument `a` by position
+   |               --           ^ this named argument is referred to by position in formatting string
+   |               |
+   |               this formatting argument uses named argument `a` by position
    |
 help: use the named argument by name to avoid ambiguity
    |
@@ -426,7 +426,7 @@ warning: named argument `a` is not used by name
   --> $DIR/issue-99265.rs:104:28
    |
 LL |     println!("{} {a} {0}", a = 1);
-   |                       -    ^ this named argument is only referred to by position in formatting string
+   |                       -    ^ this named argument is referred to by position in formatting string
    |                       |
    |                       this formatting argument uses named argument `a` by position
    |
@@ -439,10 +439,10 @@ warning: named argument `b` is not used by name
   --> $DIR/issue-99265.rs:115:23
    |
 LL |                 {:1$.2$}",
-   |                   -- this formatting argument uses named argument `b$` by position
+   |                   -- this formatting argument uses named argument `b` by position
 ...
 LL |              a = 1.0, b = 1, c = 2,
-   |                       ^ this named argument is only referred to by position in formatting string
+   |                       ^ this named argument is referred to by position in formatting string
    |
 help: use the named argument by name to avoid ambiguity
    |
@@ -453,10 +453,10 @@ warning: named argument `c` is not used by name
   --> $DIR/issue-99265.rs:115:30
    |
 LL |                 {:1$.2$}",
-   |                      -- this formatting argument uses named argument `c$` by position
+   |                      -- this formatting argument uses named argument `c` by position
 ...
 LL |              a = 1.0, b = 1, c = 2,
-   |                              ^ this named argument is only referred to by position in formatting string
+   |                              ^ this named argument is referred to by position in formatting string
    |
 help: use the named argument by name to avoid ambiguity
    |
@@ -467,10 +467,10 @@ warning: named argument `a` is not used by name
   --> $DIR/issue-99265.rs:115:14
    |
 LL |                 {:1$.2$}",
-   |                  - this formatting argument uses named argument `a` by position
+   |                 -- this formatting argument uses named argument `a` by position
 ...
 LL |              a = 1.0, b = 1, c = 2,
-   |              ^ this named argument is only referred to by position in formatting string
+   |              ^ this named argument is referred to by position in formatting string
    |
 help: use the named argument by name to avoid ambiguity
    |
@@ -481,10 +481,10 @@ warning: named argument `b` is not used by name
   --> $DIR/issue-99265.rs:126:23
    |
 LL |                 {0:1$.2$}",
-   |                    -- this formatting argument uses named argument `b$` by position
+   |                    -- this formatting argument uses named argument `b` by position
 ...
 LL |              a = 1.0, b = 1, c = 2,
-   |                       ^ this named argument is only referred to by position in formatting string
+   |                       ^ this named argument is referred to by position in formatting string
    |
 help: use the named argument by name to avoid ambiguity
    |
@@ -495,10 +495,10 @@ warning: named argument `c` is not used by name
   --> $DIR/issue-99265.rs:126:30
    |
 LL |                 {0:1$.2$}",
-   |                       -- this formatting argument uses named argument `c$` by position
+   |                       -- this formatting argument uses named argument `c` by position
 ...
 LL |              a = 1.0, b = 1, c = 2,
-   |                              ^ this named argument is only referred to by position in formatting string
+   |                              ^ this named argument is referred to by position in formatting string
    |
 help: use the named argument by name to avoid ambiguity
    |
@@ -512,7 +512,7 @@ LL |                 {0:1$.2$}",
    |                  - this formatting argument uses named argument `a` by position
 ...
 LL |              a = 1.0, b = 1, c = 2,
-   |              ^ this named argument is only referred to by position in formatting string
+   |              ^ this named argument is referred to by position in formatting string
    |
 help: use the named argument by name to avoid ambiguity
    |
@@ -523,9 +523,9 @@ warning: named argument `width` is not used by name
   --> $DIR/issue-99265.rs:132:39
    |
 LL |     println!("{{{:1$.2$}}}", x = 1.0, width = 3, precision = 2);
-   |                   --                  ^^^^^ this named argument is only referred to by position in formatting string
+   |                   --                  ^^^^^ this named argument is referred to by position in formatting string
    |                   |
-   |                   this formatting argument uses named argument `width$` by position
+   |                   this formatting argument uses named argument `width` by position
    |
 help: use the named argument by name to avoid ambiguity
    |
@@ -536,9 +536,9 @@ warning: named argument `precision` is not used by name
   --> $DIR/issue-99265.rs:132:50
    |
 LL |     println!("{{{:1$.2$}}}", x = 1.0, width = 3, precision = 2);
-   |                      --                          ^^^^^^^^^ this named argument is only referred to by position in formatting string
+   |                      --                          ^^^^^^^^^ this named argument is referred to by position in formatting string
    |                      |
-   |                      this formatting argument uses named argument `precision$` by position
+   |                      this formatting argument uses named argument `precision` by position
    |
 help: use the named argument by name to avoid ambiguity
    |
@@ -549,9 +549,9 @@ warning: named argument `x` is not used by name
   --> $DIR/issue-99265.rs:132:30
    |
 LL |     println!("{{{:1$.2$}}}", x = 1.0, width = 3, precision = 2);
-   |                  -           ^ this named argument is only referred to by position in formatting string
-   |                  |
-   |                  this formatting argument uses named argument `x` by position
+   |                 --           ^ this named argument is referred to by position in formatting string
+   |                 |
+   |                 this formatting argument uses named argument `x` by position
    |
 help: use the named argument by name to avoid ambiguity
    |
diff --git a/src/test/ui/macros/issue-99907.fixed b/src/test/ui/macros/issue-99907.fixed
new file mode 100644
index 00000000000..9e0e1b80ee5
--- /dev/null
+++ b/src/test/ui/macros/issue-99907.fixed
@@ -0,0 +1,24 @@
+// check-pass
+// run-rustfix
+
+fn main() {
+    println!("Hello {f:.1}!", f = 0.02f32);
+    //~^ WARNING named argument `f` is not used by name [named_arguments_used_positionally]
+    //~| HELP use the named argument by name to avoid ambiguity
+
+    println!("Hello {f:1.1}!", f = 0.02f32);
+    //~^ WARNING named argument `f` is not used by name [named_arguments_used_positionally]
+    //~| HELP use the named argument by name to avoid ambiguity
+
+    println!("Hello {f}!", f = 0.02f32);
+    //~^ WARNING named argument `f` is not used by name [named_arguments_used_positionally]
+    //~| HELP use the named argument by name to avoid ambiguity
+
+    println!("Hello {f}!", f = 0.02f32);
+    //~^ WARNING named argument `f` is not used by name [named_arguments_used_positionally]
+    //~| HELP use the named argument by name to avoid ambiguity
+
+    println!("Hello {f}!", f = 0.02f32);
+    //~^ WARNING named argument `f` is not used by name [named_arguments_used_positionally]
+    //~| HELP use the named argument by name to avoid ambiguity
+}
diff --git a/src/test/ui/macros/issue-99907.rs b/src/test/ui/macros/issue-99907.rs
new file mode 100644
index 00000000000..eebcfc2efec
--- /dev/null
+++ b/src/test/ui/macros/issue-99907.rs
@@ -0,0 +1,24 @@
+// check-pass
+// run-rustfix
+
+fn main() {
+    println!("Hello {:.1}!", f = 0.02f32);
+    //~^ WARNING named argument `f` is not used by name [named_arguments_used_positionally]
+    //~| HELP use the named argument by name to avoid ambiguity
+
+    println!("Hello {:1.1}!", f = 0.02f32);
+    //~^ WARNING named argument `f` is not used by name [named_arguments_used_positionally]
+    //~| HELP use the named argument by name to avoid ambiguity
+
+    println!("Hello {}!", f = 0.02f32);
+    //~^ WARNING named argument `f` is not used by name [named_arguments_used_positionally]
+    //~| HELP use the named argument by name to avoid ambiguity
+
+    println!("Hello { }!", f = 0.02f32);
+    //~^ WARNING named argument `f` is not used by name [named_arguments_used_positionally]
+    //~| HELP use the named argument by name to avoid ambiguity
+
+    println!("Hello {  }!", f = 0.02f32);
+    //~^ WARNING named argument `f` is not used by name [named_arguments_used_positionally]
+    //~| HELP use the named argument by name to avoid ambiguity
+}
diff --git a/src/test/ui/macros/issue-99907.stderr b/src/test/ui/macros/issue-99907.stderr
new file mode 100644
index 00000000000..4786ce003b4
--- /dev/null
+++ b/src/test/ui/macros/issue-99907.stderr
@@ -0,0 +1,68 @@
+warning: named argument `f` is not used by name
+  --> $DIR/issue-99907.rs:5:30
+   |
+LL |     println!("Hello {:.1}!", f = 0.02f32);
+   |                     --       ^ this named argument is referred to by position in formatting string
+   |                     |
+   |                     this formatting argument uses named argument `f` by position
+   |
+   = note: `#[warn(named_arguments_used_positionally)]` on by default
+help: use the named argument by name to avoid ambiguity
+   |
+LL |     println!("Hello {f:.1}!", f = 0.02f32);
+   |                      +
+
+warning: named argument `f` is not used by name
+  --> $DIR/issue-99907.rs:9:31
+   |
+LL |     println!("Hello {:1.1}!", f = 0.02f32);
+   |                     --        ^ this named argument is referred to by position in formatting string
+   |                     |
+   |                     this formatting argument uses named argument `f` by position
+   |
+help: use the named argument by name to avoid ambiguity
+   |
+LL |     println!("Hello {f:1.1}!", f = 0.02f32);
+   |                      +
+
+warning: named argument `f` is not used by name
+  --> $DIR/issue-99907.rs:13:27
+   |
+LL |     println!("Hello {}!", f = 0.02f32);
+   |                     --    ^ this named argument is referred to by position in formatting string
+   |                     |
+   |                     this formatting argument uses named argument `f` by position
+   |
+help: use the named argument by name to avoid ambiguity
+   |
+LL |     println!("Hello {f}!", f = 0.02f32);
+   |                      +
+
+warning: named argument `f` is not used by name
+  --> $DIR/issue-99907.rs:17:28
+   |
+LL |     println!("Hello { }!", f = 0.02f32);
+   |                     ---    ^ this named argument is referred to by position in formatting string
+   |                     |
+   |                     this formatting argument uses named argument `f` by position
+   |
+help: use the named argument by name to avoid ambiguity
+   |
+LL |     println!("Hello {f}!", f = 0.02f32);
+   |                      +
+
+warning: named argument `f` is not used by name
+  --> $DIR/issue-99907.rs:21:29
+   |
+LL |     println!("Hello {  }!", f = 0.02f32);
+   |                     ----    ^ this named argument is referred to by position in formatting string
+   |                     |
+   |                     this formatting argument uses named argument `f` by position
+   |
+help: use the named argument by name to avoid ambiguity
+   |
+LL |     println!("Hello {f}!", f = 0.02f32);
+   |                      +
+
+warning: 5 warnings emitted
+