#![feature(rustc_private)]
-extern crate rustc_data_structures;
+extern crate rustc_index;
extern crate serialize as rustc_serialize;
-use rustc_data_structures::{newtype_index, indexed_vec::Idx};
+use rustc_index::{newtype_index, vec::Idx};
newtype_index!(struct MyIdx { MAX = 0xFFFF_FFFA });