Change trait to DeserializeOwned

src/response.rs

@@ -6,7 +6,7 @@ use hyper::status::StatusCode;
 use hyper::version::HttpVersion;
 use hyper::Url;
 use libflate::gzip;
-use serde::Deserialize;
+use serde::de::DeserializeOwned;
 use serde_json;
 
 
@@ -88,7 +88,7 @@ impl Response {
 
     /// Try and deserialize the response body as JSON.
     #[inline]
-    pub fn json<T: Deserialize>(&mut self) -> ::Result<T> {
+    pub fn json<T: DeserializeOwned>(&mut self) -> ::Result<T> {
         serde_json::from_reader(self).map_err(::error::from)
     }
 }