fix(stream): Make raw() inner-most

Fixes #773

Author: tianyuanhao

src/stream/locating.rs

@@ -174,7 +174,7 @@ impl<I: Stream> Stream for LocatingSlice<I> {
 
     #[inline(always)]
     fn raw(&self) -> &dyn crate::lib::std::fmt::Debug {
-        &self.input
+        self.input.raw()
     }
 }
 

src/stream/stateful.rs

@@ -162,7 +162,7 @@ impl<I: Stream, S: crate::lib::std::fmt::Debug> Stream for Stateful<I, S> {
 
     #[inline(always)]
     fn raw(&self) -> &dyn crate::lib::std::fmt::Debug {
-        &self.input
+        self.input.raw()
     }
 }