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-rw-r--r--src/librustdoc/Cargo.toml2
-rw-r--r--src/librustdoc/clean/cfg.rs4
-rw-r--r--src/librustdoc/clean/mod.rs4
-rw-r--r--src/librustdoc/clean/types.rs2
-rw-r--r--src/librustdoc/clean/utils.rs11
-rw-r--r--src/librustdoc/html/format.rs2
-rw-r--r--src/librustdoc/html/render/mod.rs6
-rw-r--r--src/librustdoc/html/sources.rs2
-rw-r--r--src/librustdoc/lib.rs2
-rw-r--r--src/tools/rustdoc/Cargo.toml2
10 files changed, 19 insertions, 18 deletions
diff --git a/src/librustdoc/Cargo.toml b/src/librustdoc/Cargo.toml
index 91cc4088788..909b81a723b 100644
--- a/src/librustdoc/Cargo.toml
+++ b/src/librustdoc/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "rustdoc"
 version = "0.0.0"
-edition = "2021"
+edition = "2024"
 build = "build.rs"
 
 [lib]
diff --git a/src/librustdoc/clean/cfg.rs b/src/librustdoc/clean/cfg.rs
index bec7fbe8f52..ab169f3c2a4 100644
--- a/src/librustdoc/clean/cfg.rs
+++ b/src/librustdoc/clean/cfg.rs
@@ -48,12 +48,12 @@ impl Cfg {
         exclude: &FxHashSet<Cfg>,
     ) -> Result<Option<Cfg>, InvalidCfgError> {
         match nested_cfg {
-            MetaItemInner::MetaItem(ref cfg) => Cfg::parse_without(cfg, exclude),
+            MetaItemInner::MetaItem(cfg) => Cfg::parse_without(cfg, exclude),
             MetaItemInner::Lit(MetaItemLit { kind: LitKind::Bool(b), .. }) => match *b {
                 true => Ok(Some(Cfg::True)),
                 false => Ok(Some(Cfg::False)),
             },
-            MetaItemInner::Lit(ref lit) => {
+            MetaItemInner::Lit(lit) => {
                 Err(InvalidCfgError { msg: "unexpected literal", span: lit.span })
             }
         }
diff --git a/src/librustdoc/clean/mod.rs b/src/librustdoc/clean/mod.rs
index ceffe5e5ce0..bb12e4a706e 100644
--- a/src/librustdoc/clean/mod.rs
+++ b/src/librustdoc/clean/mod.rs
@@ -741,7 +741,7 @@ pub(crate) fn clean_generics<'tcx>(
     for p in gens.params.iter().filter(|p| !is_impl_trait(p) && !is_elided_lifetime(p)) {
         let mut p = clean_generic_param(cx, Some(gens), p);
         match &mut p.kind {
-            GenericParamDefKind::Lifetime { ref mut outlives } => {
+            GenericParamDefKind::Lifetime { outlives } => {
                 if let Some(region_pred) = region_predicates.get_mut(&Lifetime(p.name)) {
                     // We merge bounds in the `where` clause.
                     for outlive in outlives.drain(..) {
@@ -2688,7 +2688,7 @@ fn filter_doc_attr_ident(ident: Symbol, is_inline: bool) -> bool {
 /// Before calling this function, make sure `normal` is a `#[doc]` attribute.
 fn filter_doc_attr(args: &mut hir::AttrArgs, is_inline: bool) {
     match args {
-        hir::AttrArgs::Delimited(ref mut args) => {
+        hir::AttrArgs::Delimited(args) => {
             let tokens = filter_tokens_from_list(&args.tokens, |token| {
                 !matches!(
                     token,
diff --git a/src/librustdoc/clean/types.rs b/src/librustdoc/clean/types.rs
index 178b6a60b41..bd5fd612b38 100644
--- a/src/librustdoc/clean/types.rs
+++ b/src/librustdoc/clean/types.rs
@@ -502,7 +502,7 @@ impl Item {
         let Some(links) = cx.cache().intra_doc_links.get(&self.item_id) else { return vec![] };
         links
             .iter()
-            .filter_map(|ItemLink { link: s, link_text, page_id: id, ref fragment }| {
+            .filter_map(|ItemLink { link: s, link_text, page_id: id, fragment }| {
                 debug!(?id);
                 if let Ok((mut href, ..)) = href(*id, cx) {
                     debug!(?href);
diff --git a/src/librustdoc/clean/utils.rs b/src/librustdoc/clean/utils.rs
index 34656b26ce2..b71ff0c56f8 100644
--- a/src/librustdoc/clean/utils.rs
+++ b/src/librustdoc/clean/utils.rs
@@ -60,7 +60,7 @@ pub(crate) fn krate(cx: &mut DocContext<'_>) -> Crate {
     let primitives = local_crate.primitives(cx.tcx);
     let keywords = local_crate.keywords(cx.tcx);
     {
-        let ItemKind::ModuleItem(ref mut m) = &mut module.inner.kind else { unreachable!() };
+        let ItemKind::ModuleItem(m) = &mut module.inner.kind else { unreachable!() };
         m.items.extend(primitives.iter().map(|&(def_id, prim)| {
             Item::from_def_id_and_parts(
                 def_id,
@@ -302,7 +302,7 @@ pub(crate) fn name_from_pat(p: &hir::Pat<'_>) -> Symbol {
     use rustc_hir::*;
     debug!("trying to get a name from pattern: {p:?}");
 
-    Symbol::intern(&match p.kind {
+    Symbol::intern(&match &p.kind {
         // FIXME(never_patterns): does this make sense?
         PatKind::Wild
         | PatKind::Err(_)
@@ -313,8 +313,9 @@ pub(crate) fn name_from_pat(p: &hir::Pat<'_>) -> Symbol {
         }
         PatKind::Binding(_, _, ident, _) => return ident.name,
         PatKind::Box(p) | PatKind::Ref(p, _) | PatKind::Guard(p, _) => return name_from_pat(p),
-        PatKind::TupleStruct(ref p, ..)
-        | PatKind::Expr(PatExpr { kind: PatExprKind::Path(ref p), .. }) => qpath_to_string(p),
+        PatKind::TupleStruct(p, ..) | PatKind::Expr(PatExpr { kind: PatExprKind::Path(p), .. }) => {
+            qpath_to_string(p)
+        }
         PatKind::Or(pats) => {
             fmt::from_fn(|f| pats.iter().map(|p| name_from_pat(p)).joined(" | ", f)).to_string()
         }
@@ -493,7 +494,7 @@ pub(crate) fn resolve_type(cx: &mut DocContext<'_>, path: Path) -> Type {
 pub(crate) fn synthesize_auto_trait_and_blanket_impls(
     cx: &mut DocContext<'_>,
     item_def_id: DefId,
-) -> impl Iterator<Item = Item> {
+) -> impl Iterator<Item = Item> + use<> {
     let auto_impls = cx
         .sess()
         .prof
diff --git a/src/librustdoc/html/format.rs b/src/librustdoc/html/format.rs
index 522ef1af376..925ebc244dc 100644
--- a/src/librustdoc/html/format.rs
+++ b/src/librustdoc/html/format.rs
@@ -80,7 +80,7 @@ impl clean::GenericParamDef {
                     print_generic_bounds(bounds, cx).fmt(f)?;
                 }
 
-                if let Some(ref ty) = default {
+                if let Some(ty) = default {
                     f.write_str(" = ")?;
                     ty.print(cx).fmt(f)?;
                 }
diff --git a/src/librustdoc/html/render/mod.rs b/src/librustdoc/html/render/mod.rs
index bd4af359404..94bde6c37d0 100644
--- a/src/librustdoc/html/render/mod.rs
+++ b/src/librustdoc/html/render/mod.rs
@@ -812,7 +812,7 @@ fn assoc_href_attr<'a, 'tcx>(
     }
 
     let href = match link {
-        AssocItemLink::Anchor(Some(ref id)) => Href::AnchorId(id),
+        AssocItemLink::Anchor(Some(id)) => Href::AnchorId(id),
         AssocItemLink::Anchor(None) => Href::Anchor(item_type),
         AssocItemLink::GotoSource(did, provided_methods) => {
             // We're creating a link from the implementation of an associated item to its
@@ -1144,7 +1144,7 @@ fn render_assoc_item<'a, 'tcx>(
             cx,
         )
         .fmt(f),
-        clean::RequiredAssocTypeItem(ref generics, ref bounds) => assoc_type(
+        clean::RequiredAssocTypeItem(generics, bounds) => assoc_type(
             item,
             generics,
             bounds,
@@ -1154,7 +1154,7 @@ fn render_assoc_item<'a, 'tcx>(
             cx,
         )
         .fmt(f),
-        clean::AssocTypeItem(ref ty, ref bounds) => assoc_type(
+        clean::AssocTypeItem(ty, bounds) => assoc_type(
             item,
             &ty.generics,
             bounds,
diff --git a/src/librustdoc/html/sources.rs b/src/librustdoc/html/sources.rs
index 78c86a27632..cbbd4b01d83 100644
--- a/src/librustdoc/html/sources.rs
+++ b/src/librustdoc/html/sources.rs
@@ -333,7 +333,7 @@ pub(crate) fn print_src(
     source_context: &SourceContext<'_>,
 ) {
     let mut lines = s.lines().count();
-    let line_info = if let SourceContext::Embedded(ref info) = source_context {
+    let line_info = if let SourceContext::Embedded(info) = source_context {
         highlight::LineInfo::new_scraped(lines as u32, info.offset as u32)
     } else {
         highlight::LineInfo::new(lines as u32)
diff --git a/src/librustdoc/lib.rs b/src/librustdoc/lib.rs
index c1e6d324d5a..4fe5e13c3af 100644
--- a/src/librustdoc/lib.rs
+++ b/src/librustdoc/lib.rs
@@ -147,7 +147,7 @@ pub fn main() {
 
         #[cfg(target_os = "macos")]
         {
-            extern "C" {
+            unsafe extern "C" {
                 fn _rjem_je_zone_register();
             }
 
diff --git a/src/tools/rustdoc/Cargo.toml b/src/tools/rustdoc/Cargo.toml
index c4101f72cc2..d1682758d36 100644
--- a/src/tools/rustdoc/Cargo.toml
+++ b/src/tools/rustdoc/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "rustdoc-tool"
 version = "0.0.0"
-edition = "2021"
+edition = "2024"
 
 # Cargo adds a number of paths to the dylib search path on windows, which results in
 # the wrong rustdoc being executed. To avoid the conflicting rustdocs, we name the "tool"
generated by cgit-pink 1.4.1-3-g733a5 (git 2.37.1) at 2025-10-27 12:17:49 +0000