Inline all format arguments where possible

This makes code more readale and concise,
moving all format arguments like `format!("{}", foo)`
into the more compact `format!("{foo}")` form.

The change was automatically created with, so there are far less change
of an accidental typo.

```
cargo clippy --fix -- -A clippy::all -W clippy::uninlined_format_args
```

crates/ide-db/src/assists.rs

@@ -88,7 +88,7 @@ impl FromStr for AssistKind {
             "RefactorExtract" => Ok(AssistKind::RefactorExtract),
             "RefactorInline" => Ok(AssistKind::RefactorInline),
             "RefactorRewrite" => Ok(AssistKind::RefactorRewrite),
-            unknown => Err(format!("Unknown AssistKind: '{}'", unknown)),
+            unknown => Err(format!("Unknown AssistKind: '{unknown}'")),
         }
     }
 }

crates/ide-db/src/imports/import_assets.rs

@@ -367,7 +367,7 @@ fn import_for_item(
     let expected_import_end = if item_as_assoc(db, original_item).is_some() {
         unresolved_qualifier.to_string()
     } else {
-        format!("{}::{}", unresolved_qualifier, item_name(db, original_item)?)
+        format!("{unresolved_qualifier}::{}", item_name(db, original_item)?)
     };
     if !import_path_string.contains(unresolved_first_segment)
         || !import_path_string.ends_with(&expected_import_end)

crates/ide-db/src/imports/insert_use/tests.rs

@@ -1014,7 +1014,7 @@ fn check_with_config(
         .and_then(|it| ImportScope::find_insert_use_container(&it, sema))
         .or_else(|| ImportScope::from(syntax))
         .unwrap();
-    let path = ast::SourceFile::parse(&format!("use {};", path))
+    let path = ast::SourceFile::parse(&format!("use {path};"))
         .tree()
         .syntax()
         .descendants()

crates/ide-db/src/rename.rs

@@ -197,7 +197,7 @@ fn rename_mod(
 
         // Module exists in a named file
         if !is_mod_rs {
-            let path = format!("{}.rs", new_name);
+            let path = format!("{new_name}.rs");
             let dst = AnchoredPathBuf { anchor, path };
             source_change.push_file_system_edit(FileSystemEdit::MoveFile { src: anchor, dst })
         }
@@ -207,9 +207,7 @@ fn rename_mod(
         //  - Module has submodules defined in separate files
         let dir_paths = match (is_mod_rs, has_detached_child, module.name(sema.db)) {
             // Go up one level since the anchor is inside the dir we're trying to rename
-            (true, _, Some(mod_name)) => {
-                Some((format!("../{}", mod_name), format!("../{}", new_name)))
-            }
+            (true, _, Some(mod_name)) => Some((format!("../{mod_name}"), format!("../{new_name}"))),
             // The anchor is on the same level as target dir
             (false, true, Some(mod_name)) => Some((mod_name.to_string(), new_name.to_string())),
             _ => None,
@@ -356,7 +354,7 @@ fn source_edit_from_name(edit: &mut TextEditBuilder, name: &ast::Name, new_name:
 
             // FIXME: instead of splitting the shorthand, recursively trigger a rename of the
             // other name https://github.com/rust-lang/rust-analyzer/issues/6547
-            edit.insert(ident_pat.syntax().text_range().start(), format!("{}: ", new_name));
+            edit.insert(ident_pat.syntax().text_range().start(), format!("{new_name}: "));
             return true;
         }
     }
@@ -414,7 +412,7 @@ fn source_edit_from_name_ref(
                 // Foo { field } -> Foo { new_name: field }
                 //       ^ insert `new_name: `
                 let offset = name_ref.syntax().text_range().start();
-                edit.insert(offset, format!("{}: ", new_name));
+                edit.insert(offset, format!("{new_name}: "));
                 return true;
             }
             (None, Some(_)) if matches!(def, Definition::Local(_)) => {
@@ -422,7 +420,7 @@ fn source_edit_from_name_ref(
                 // Foo { field } -> Foo { field: new_name }
                 //            ^ insert `: new_name`
                 let offset = name_ref.syntax().text_range().end();
-                edit.insert(offset, format!(": {}", new_name));
+                edit.insert(offset, format!(": {new_name}"));
                 return true;
             }
             _ => (),

crates/ide-db/src/symbol_index.rs

@@ -206,7 +206,7 @@ pub fn world_symbols(db: &RootDatabase, query: Query) -> Vec<FileSymbol> {
 }
 
 pub fn crate_symbols(db: &RootDatabase, krate: Crate, query: Query) -> Vec<FileSymbol> {
-    let _p = profile::span("crate_symbols").detail(|| format!("{:?}", query));
+    let _p = profile::span("crate_symbols").detail(|| format!("{query:?}"));
 
     let modules = krate.modules(db);
     let indices: Vec<_> = modules

crates/ide-db/src/syntax_helpers/format_string_exprs.rs

@@ -205,7 +205,7 @@ mod tests {
     fn check(input: &str, expect: &Expect) {
         let (output, exprs) = parse_format_exprs(input).unwrap_or(("-".to_string(), vec![]));
         let outcome_repr = if !exprs.is_empty() {
-            format!("{}; {}", output, with_placeholders(exprs).join(", "))
+            format!("{output}; {}", with_placeholders(exprs).join(", "))
         } else {
             output
         };

crates/ide-db/src/tests/sourcegen_lints.rs

@@ -241,9 +241,9 @@ fn generate_descriptor_clippy(buf: &mut String, path: &Path) {
 
     buf.push_str(r#"pub const CLIPPY_LINT_GROUPS: &[LintGroup] = &["#);
     for (id, children) in clippy_groups {
-        let children = children.iter().map(|id| format!("clippy::{}", id)).collect::<Vec<_>>();
+        let children = children.iter().map(|id| format!("clippy::{id}")).collect::<Vec<_>>();
         if !children.is_empty() {
-            let lint_ident = format!("clippy::{}", id);
+            let lint_ident = format!("clippy::{id}");
             let description = format!("lint group for: {}", children.iter().join(", "));
             push_lint_group(buf, &lint_ident, &description, &children);
         }
@@ -273,7 +273,7 @@ fn push_lint_group(buf: &mut String, label: &str, description: &str, children: &
 
     push_lint_completion(buf, label, description);
 
-    let children = format!("&[{}]", children.iter().map(|it| format!("\"{}\"", it)).join(", "));
+    let children = format!("&[{}]", children.iter().map(|it| format!("\"{it}\"")).join(", "));
     format_to!(
         buf,
         r###"