3 files changed, 41 insertions, 26 deletions
diff --git a/compiler/rustc_ast_lowering/src/expr.rs b/compiler/rustc_ast_lowering/src/expr.rs
index dded18fce0a..923fd65dcca 100644
--- a/compiler/rustc_ast_lowering/src/expr.rs
+++ b/compiler/rustc_ast_lowering/src/expr.rs
@@ -828,15 +828,18 @@ impl<'hir> LoweringContext<'_, 'hir> {
                 span,
                 Some(Arc::clone(&self.allow_gen_future)),
             );
-            self.lower_attrs(inner_hir_id, &[Attribute {
-                kind: AttrKind::Normal(ptr::P(NormalAttr::from_ident(Ident::new(
-                    sym::track_caller,
-                    span,
-                )))),
-                id: self.tcx.sess.psess.attr_id_generator.mk_attr_id(),
-                style: AttrStyle::Outer,
-                span: unstable_span,
-            }]);
+            self.lower_attrs(
+                inner_hir_id,
+                &[Attribute {
+                    kind: AttrKind::Normal(ptr::P(NormalAttr::from_ident(Ident::new(
+                        sym::track_caller,
+                        span,
+                    )))),
+                    id: self.tcx.sess.psess.attr_id_generator.mk_attr_id(),
+                    style: AttrStyle::Outer,
+                    span: unstable_span,
+                }],
+            );
         }
     }
 
diff --git a/compiler/rustc_ast_lowering/src/format.rs b/compiler/rustc_ast_lowering/src/format.rs
index 22aa1e6fc20..07b94dbc2ae 100644
--- a/compiler/rustc_ast_lowering/src/format.rs
+++ b/compiler/rustc_ast_lowering/src/format.rs
@@ -362,13 +362,16 @@ fn make_format_spec<'hir>(
         debug_hex,
     } = &placeholder.format_options;
     let fill = ctx.expr_char(sp, fill.unwrap_or(' '));
-    let align =
-        ctx.expr_lang_item_type_relative(sp, hir::LangItem::FormatAlignment, match alignment {
+    let align = ctx.expr_lang_item_type_relative(
+        sp,
+        hir::LangItem::FormatAlignment,
+        match alignment {
             Some(FormatAlignment::Left) => sym::Left,
             Some(FormatAlignment::Right) => sym::Right,
             Some(FormatAlignment::Center) => sym::Center,
             None => sym::Unknown,
-        });
+        },
+    );
     // This needs to match `Flag` in library/core/src/fmt/rt.rs.
     let flags: u32 = ((sign == Some(FormatSign::Plus)) as u32)
         | ((sign == Some(FormatSign::Minus)) as u32) << 1
diff --git a/compiler/rustc_ast_lowering/src/item.rs b/compiler/rustc_ast_lowering/src/item.rs
index c96110fee61..11d60b9348d 100644
--- a/compiler/rustc_ast_lowering/src/item.rs
+++ b/compiler/rustc_ast_lowering/src/item.rs
@@ -304,12 +304,15 @@ impl<'hir> LoweringContext<'_, 'hir> {
                             );
                             this.arena.alloc(this.ty(span, hir::TyKind::Err(guar)))
                         }
-                        Some(ty) => this.lower_ty(ty, ImplTraitContext::OpaqueTy {
-                            origin: hir::OpaqueTyOrigin::TyAlias {
-                                parent: this.local_def_id(id),
-                                in_assoc_ty: false,
+                        Some(ty) => this.lower_ty(
+                            ty,
+                            ImplTraitContext::OpaqueTy {
+                                origin: hir::OpaqueTyOrigin::TyAlias {
+                                    parent: this.local_def_id(id),
+                                    in_assoc_ty: false,
+                                },
                             },
-                        }),
+                        ),
                     },
                 );
                 hir::ItemKind::TyAlias(ty, generics)
@@ -966,12 +969,15 @@ impl<'hir> LoweringContext<'_, 'hir> {
                             hir::ImplItemKind::Type(ty)
                         }
                         Some(ty) => {
-                            let ty = this.lower_ty(ty, ImplTraitContext::OpaqueTy {
-                                origin: hir::OpaqueTyOrigin::TyAlias {
-                                    parent: this.local_def_id(i.id),
-                                    in_assoc_ty: true,
+                            let ty = this.lower_ty(
+                                ty,
+                                ImplTraitContext::OpaqueTy {
+                                    origin: hir::OpaqueTyOrigin::TyAlias {
+                                        parent: this.local_def_id(i.id),
+                                        in_assoc_ty: true,
+                                    },
                                 },
-                            });
+                            );
                             hir::ImplItemKind::Type(ty)
                         }
                     },
@@ -1152,10 +1158,13 @@ impl<'hir> LoweringContext<'_, 'hir> {
 
     pub(super) fn lower_const_body(&mut self, span: Span, expr: Option<&Expr>) -> hir::BodyId {
         self.lower_body(|this| {
-            (&[], match expr {
-                Some(expr) => this.lower_expr_mut(expr),
-                None => this.expr_err(span, this.dcx().span_delayed_bug(span, "no block")),
-            })
+            (
+                &[],
+                match expr {
+                    Some(expr) => this.lower_expr_mut(expr),
+                    None => this.expr_err(span, this.dcx().span_delayed_bug(span, "no block")),
+                },
+            )
         })
     }