1 files changed, 3 insertions, 1 deletions
diff --git a/compiler/rustc_builtin_macros/src/proc_macro_harness.rs b/compiler/rustc_builtin_macros/src/proc_macro_harness.rs
index b35a2e2a292..a7908373b6d 100644
--- a/compiler/rustc_builtin_macros/src/proc_macro_harness.rs
+++ b/compiler/rustc_builtin_macros/src/proc_macro_harness.rs
@@ -89,7 +89,9 @@ impl<'a> CollectProcMacros<'a> {
     }
 
     fn collect_custom_derive(&mut self, item: &'a ast::Item, attr: &'a ast::Attribute) {
-        let Some((trait_name, proc_attrs)) = parse_macro_name_and_helper_attrs(self.handler, attr, "derive") else {
+        let Some((trait_name, proc_attrs)) =
+            parse_macro_name_and_helper_attrs(self.handler, attr, "derive")
+        else {
             return;
         };