3 files changed, 7 insertions, 7 deletions
diff --git a/compiler/rustc_ast_lowering/src/asm.rs b/compiler/rustc_ast_lowering/src/asm.rs
index dfef6ec70fc..941d3179587 100644
--- a/compiler/rustc_ast_lowering/src/asm.rs
+++ b/compiler/rustc_ast_lowering/src/asm.rs
@@ -104,7 +104,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
                     Err(supported_abis) => {
                         let mut abis = format!("`{}`", supported_abis[0]);
                         for m in &supported_abis[1..] {
-                            let _ = write!(abis, ", `{}`", m);
+                            let _ = write!(abis, ", `{m}`");
                         }
                         self.tcx.sess.emit_err(InvalidAbiClobberAbi {
                             abi_span: *abi_span,
@@ -262,7 +262,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
                             let sub = if !valid_modifiers.is_empty() {
                                 let mut mods = format!("`{}`", valid_modifiers[0]);
                                 for m in &valid_modifiers[1..] {
-                                    let _ = write!(mods, ", `{}`", m);
+                                    let _ = write!(mods, ", `{m}`");
                                 }
                                 InvalidAsmTemplateModifierRegClassSub::SupportModifier {
                                     class_name: class.name(),
diff --git a/compiler/rustc_ast_lowering/src/item.rs b/compiler/rustc_ast_lowering/src/item.rs
index b6b242bfc27..ea30bed5ace 100644
--- a/compiler/rustc_ast_lowering/src/item.rs
+++ b/compiler/rustc_ast_lowering/src/item.rs
@@ -1051,7 +1051,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
                     }
                     _ => {
                         // Replace the ident for bindings that aren't simple.
-                        let name = format!("__arg{}", index);
+                        let name = format!("__arg{index}");
                         let ident = Ident::from_str(&name);
 
                         (ident, false)
diff --git a/compiler/rustc_ast_lowering/src/lib.rs b/compiler/rustc_ast_lowering/src/lib.rs
index 83174afdb12..2e135aafb1e 100644
--- a/compiler/rustc_ast_lowering/src/lib.rs
+++ b/compiler/rustc_ast_lowering/src/lib.rs
@@ -296,7 +296,7 @@ impl std::fmt::Display for ImplTraitPosition {
             ImplTraitPosition::ImplReturn => "`impl` method return",
         };
 
-        write!(f, "{}", name)
+        write!(f, "{name}")
     }
 }
 
@@ -503,7 +503,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
 
     fn orig_local_def_id(&self, node: NodeId) -> LocalDefId {
         self.orig_opt_local_def_id(node)
-            .unwrap_or_else(|| panic!("no entry for node id: `{:?}`", node))
+            .unwrap_or_else(|| panic!("no entry for node id: `{node:?}`"))
     }
 
     /// Given the id of some node in the AST, finds the `LocalDefId` associated with it by the name
@@ -524,7 +524,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
     }
 
     fn local_def_id(&self, node: NodeId) -> LocalDefId {
-        self.opt_local_def_id(node).unwrap_or_else(|| panic!("no entry for node id: `{:?}`", node))
+        self.opt_local_def_id(node).unwrap_or_else(|| panic!("no entry for node id: `{node:?}`"))
     }
 
     /// Get the previously recorded `to` local def id given the `from` local def id, obtained using
@@ -2197,7 +2197,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
     fn lower_trait_ref(&mut self, p: &TraitRef, itctx: &ImplTraitContext) -> hir::TraitRef<'hir> {
         let path = match self.lower_qpath(p.ref_id, &None, &p.path, ParamMode::Explicit, itctx) {
             hir::QPath::Resolved(None, path) => path,
-            qpath => panic!("lower_trait_ref: unexpected QPath `{:?}`", qpath),
+            qpath => panic!("lower_trait_ref: unexpected QPath `{qpath:?}`"),
         };
         hir::TraitRef { path, hir_ref_id: self.lower_node_id(p.ref_id) }
     }