librustdoc: use tuple indexing

src/librustdoc/html/format.rs

@@ -346,7 +346,7 @@ fn primitive_link(f: &mut fmt::Formatter,
                 Some(root) => {
                     try!(write!(f, "<a href='{}{}/primitive.{}.html'>",
                                 root,
-                                path.ref0().head().unwrap(),
+                                path.0.head().unwrap(),
                                 prim.to_url_str()));
                     needs_termination = true;
                 }

src/librustdoc/html/render.rs

@@ -323,7 +323,7 @@ pub fn run(mut krate: clean::Crate,
       }).unwrap_or(HashMap::new());
     let mut cache = Cache {
         impls: HashMap::new(),
-        external_paths: paths.iter().map(|(&k, v)| (k, v.ref0().clone()))
+        external_paths: paths.iter().map(|(&k, v)| (k, v.0.clone()))
                              .collect(),
         paths: paths,
         implementors: HashMap::new(),