rustdoc: unbox closures used in let bindings

Author: Jorge Aparicio

src/librustdoc/clean/mod.rs

@@ -2016,7 +2016,7 @@ impl Clean<Vec<Item>> for ast::ViewItem {
                 None => false,
             }
         });
-        let convert = |node: &ast::ViewItem_| {
+        let convert = |&: node: &ast::ViewItem_| {
             Item {
                 name: None,
                 attrs: self.attrs.clean(cx),

src/librustdoc/html/highlight.rs

@@ -61,7 +61,7 @@ fn doit(sess: &parse::ParseSess, mut lexer: lexer::StringReader,
     loop {
         let next = lexer.next_token();
 
-        let snip = |sp| sess.span_diagnostic.cm.span_to_snippet(sp).unwrap();
+        let snip = |&: sp| sess.span_diagnostic.cm.span_to_snippet(sp).unwrap();
 
         if next.tok == token::Eof { break }