diff --git a/compiler/rustc_typeck/src/check/check.rs b/compiler/rustc_typeck/src/check/check.rs
index fa630bb2b52..518090a710d 100644
--- a/compiler/rustc_typeck/src/check/check.rs
+++ b/compiler/rustc_typeck/src/check/check.rs
@@ -929,17 +929,15 @@ pub(super) fn check_impl_items_against_trait<'tcx>(
     for impl_item in impl_items {
         let ty_impl_item = tcx.associated_item(tcx.hir().local_def_id(impl_item.hir_id));
 
-        let mut items = associated_items.filter_by_name(tcx, ty_impl_item.ident, impl_trait_ref.def_id);
+        let mut items =
+            associated_items.filter_by_name(tcx, ty_impl_item.ident, impl_trait_ref.def_id);
 
         let (compatible_kind, ty_trait_item) = if let Some(ty_trait_item) = items.next() {
-
-            let is_compatible = |ty: &&ty::AssocItem| {
-                match (ty.kind, &impl_item.kind) {
-                    (ty::AssocKind::Const, hir::ImplItemKind::Const(..)) => true,
-                    (ty::AssocKind::Fn, hir::ImplItemKind::Fn(..)) => true,
-                    (ty::AssocKind::Type, hir::ImplItemKind::TyAlias(..)) => true,
-                    _ => false
-                }
+            let is_compatible = |ty: &&ty::AssocItem| match (ty.kind, &impl_item.kind) {
+                (ty::AssocKind::Const, hir::ImplItemKind::Const(..)) => true,
+                (ty::AssocKind::Fn, hir::ImplItemKind::Fn(..)) => true,
+                (ty::AssocKind::Type, hir::ImplItemKind::TyAlias(..)) => true,
+                _ => false,
             };
 
             // If we don't have a compatible item, we'll use the first one whose name matches
@@ -947,7 +945,7 @@ pub(super) fn check_impl_items_against_trait<'tcx>(
             let mut compatible_kind = is_compatible(&ty_trait_item);
             let mut trait_item = ty_trait_item;
 
-            if  !compatible_kind {
+            if !compatible_kind {
                 if let Some(ty_trait_item) = items.find(is_compatible) {
                     compatible_kind = true;
                     trait_item = ty_trait_item;
@@ -1003,7 +1001,13 @@ pub(super) fn check_impl_items_against_trait<'tcx>(
                 impl_item,
             );
         } else {
-            report_mismatch_error(tcx, ty_trait_item.def_id, impl_trait_ref, impl_item, &ty_impl_item);
+            report_mismatch_error(
+                tcx,
+                ty_trait_item.def_id,
+                impl_trait_ref,
+                impl_item,
+                &ty_impl_item,
+            );
         }
     }