sed -i -s 's/#\[deriving(/#\[derive(/g' **/*.rs

src/libsyntax/print/pprust.rs

@@ -46,12 +46,12 @@ pub trait PpAnn {
     fn post(&self, _state: &mut State, _node: AnnNode) -> IoResult<()> { Ok(()) }
 }
 
-#[deriving(Copy)]
+#[derive(Copy)]
 pub struct NoAnn;
 
 impl PpAnn for NoAnn {}
 
-#[deriving(Copy)]
+#[derive(Copy)]
 pub struct CurrentCommentAndLiteral {
     cur_cmnt: uint,
     cur_lit: uint,