fix(rustup): update to rust beta

src/client/response.rs

@@ -171,7 +171,7 @@ mod tests {
             None => panic!("Transfer-Encoding: chunked expected!"),
         };
         // The body is correct?
-        assert_eq!(read_to_string(res), Ok("qwert".to_string()));
+        assert_eq!(read_to_string(res).unwrap(), "qwert".to_string());
     }
 
     /// Tests that when a chunk size is not a valid radix-16 number, an error
@@ -228,6 +228,6 @@ mod tests {
 
         let res = Response::new(Box::new(stream)).unwrap();
 
-        assert_eq!(read_to_string(res), Ok("1".to_string()));
+        assert_eq!(read_to_string(res).unwrap(), "1".to_string());
     }
 }