cargo fmt and add the #[allow(dependency_on_unit_never_type_fallback)]

Author: afbase

core/src/serde/ser.rs

@@ -443,11 +443,7 @@ impl ser::SerializeStruct for SerializeMap {
     type Ok = Ipld;
     type Error = SerdeError;
 
-    fn serialize_field<T>(
-        &mut self,
-        key: &'static str,
-        value: &T,
-    ) -> Result<(), Self::Error>
+    fn serialize_field<T>(&mut self, key: &'static str, value: &T) -> Result<(), Self::Error>
     where
         T: ser::Serialize + ?Sized,
     {
@@ -464,11 +460,7 @@ impl ser::SerializeStructVariant for SerializeStructVariant {
     type Ok = Ipld;
     type Error = SerdeError;
 
-    fn serialize_field<T>(
-        &mut self,
-        key: &'static str,
-        value: &T,
-    ) -> Result<(), Self::Error>
+    fn serialize_field<T>(&mut self, key: &'static str, value: &T) -> Result<(), Self::Error>
     where
         T: ser::Serialize + ?Sized,
     {

dag-cbor-derive/src/lib.rs

@@ -19,7 +19,9 @@ fn dag_cbor_derive(s: Structure) -> TokenStream {
     let encode = gen::gen_encode(&ast, &libipld);
     let decode = gen::gen_decode(&ast, &libipld);
     quote! {
+        #[allow(dependency_on_unit_never_type_fallback)]
         #encode
+        #[allow(dependency_on_unit_never_type_fallback)]
         #decode
     }
 }

dag-cbor/src/lib.rs

@@ -42,8 +42,8 @@ mod tests {
     use libipld_core::cid::Cid;
     use libipld_core::codec::assert_roundtrip;
     use libipld_core::ipld::Ipld;
-    use multihash_codetable::{Code, MultihashDigest};
     use libipld_macro::ipld;
+    use multihash_codetable::{Code, MultihashDigest};
     use std::collections::HashSet;
 
     #[test]