diff --git a/serde/src/de/impls.rs b/serde/src/de/impls.rs
index f22c5fe0..6c4ad5ea 100644
--- a/serde/src/de/impls.rs
+++ b/serde/src/de/impls.rs
@@ -1602,13 +1602,11 @@ forwarded_impl!((T), Box<[T]>, Vec::into_boxed_slice);
 #[cfg(any(feature = "std", feature = "alloc"))]
 forwarded_impl!((), Box<str>, String::into_boxed_str);
 
-#[cfg(
-    all(
-        not(de_rc_dst),
-        feature = "rc",
-        any(feature = "std", feature = "alloc")
-    )
-)]
+#[cfg(all(
+    not(de_rc_dst),
+    feature = "rc",
+    any(feature = "std", feature = "alloc")
+))]
 forwarded_impl! {
     /// This impl requires the [`"rc"`] Cargo feature of Serde.
     ///
@@ -1620,13 +1618,11 @@ forwarded_impl! {
     (T), Arc<T>, Arc::new
 }
 
-#[cfg(
-    all(
-        not(de_rc_dst),
-        feature = "rc",
-        any(feature = "std", feature = "alloc")
-    )
-)]
+#[cfg(all(
+    not(de_rc_dst),
+    feature = "rc",
+    any(feature = "std", feature = "alloc")
+))]
 forwarded_impl! {
     /// This impl requires the [`"rc"`] Cargo feature of Serde.
     ///
@@ -1693,13 +1689,11 @@ where
 
 ////////////////////////////////////////////////////////////////////////////////
 
-#[cfg(
-    all(
-        de_rc_dst,
-        feature = "rc",
-        any(feature = "std", feature = "alloc")
-    )
-)]
+#[cfg(all(
+    de_rc_dst,
+    feature = "rc",
+    any(feature = "std", feature = "alloc")
+))]
 macro_rules! box_forwarded_impl {
     (
         $(#[doc = $doc:tt])*
@@ -1720,13 +1714,11 @@ macro_rules! box_forwarded_impl {
     };
 }
 
-#[cfg(
-    all(
-        de_rc_dst,
-        feature = "rc",
-        any(feature = "std", feature = "alloc")
-    )
-)]
+#[cfg(all(
+    de_rc_dst,
+    feature = "rc",
+    any(feature = "std", feature = "alloc")
+))]
 box_forwarded_impl! {
     /// This impl requires the [`"rc"`] Cargo feature of Serde.
     ///
@@ -1738,13 +1730,11 @@ box_forwarded_impl! {
     Rc
 }
 
-#[cfg(
-    all(
-        de_rc_dst,
-        feature = "rc",
-        any(feature = "std", feature = "alloc")
-    )
-)]
+#[cfg(all(
+    de_rc_dst,
+    feature = "rc",
+    any(feature = "std", feature = "alloc")
+))]
 box_forwarded_impl! {
     /// This impl requires the [`"rc"`] Cargo feature of Serde.
     ///
diff --git a/test_suite/tests/test_gen.rs b/test_suite/tests/test_gen.rs
index 8d27e651..fac27a54 100644
--- a/test_suite/tests/test_gen.rs
+++ b/test_suite/tests/test_gen.rs
@@ -198,12 +198,10 @@ fn test_gen() {
     assert::<WithTraits1<X, X>>();
 
     #[derive(Serialize, Deserialize)]
-    #[serde(
-        bound(
-            serialize = "D: SerializeWith",
-            deserialize = "D: DeserializeWith"
-        )
-    )]
+    #[serde(bound(
+        serialize = "D: SerializeWith",
+        deserialize = "D: DeserializeWith"
+    ))]
     struct WithTraits2<D, E> {
         #[serde(
             serialize_with = "SerializeWith::serialize_with",
@@ -240,12 +238,10 @@ fn test_gen() {
     assert::<VariantWithTraits1<X, X>>();
 
     #[derive(Serialize, Deserialize)]
-    #[serde(
-        bound(
-            serialize = "D: SerializeWith",
-            deserialize = "D: DeserializeWith"
-        )
-    )]
+    #[serde(bound(
+        serialize = "D: SerializeWith",
+        deserialize = "D: DeserializeWith"
+    ))]
     enum VariantWithTraits2<D, E> {
         #[serde(
             serialize_with = "SerializeWith::serialize_with",