use rustc::mir::Local;
use rustc::mir::*;
use rustc::ty::{self, TyCtxt};
-use rustc_data_structures::bit_set::BitSet;
-use rustc_data_structures::indexed_vec::{Idx, IndexVec};
+use rustc_index::bit_set::BitSet;
+use rustc_index::vec::{Idx, IndexVec};
use rustc_data_structures::work_queue::WorkQueue;
use std::fs;
use std::io::{self, Write};