#![feature(rustc_private)]
-extern crate rustc_back;
+extern crate tempdir;
use std::env;
use std::fs::File;
use std::io::{Read, Write};
use std::process::{Command, Stdio};
-use rustc_back::tempdir::TempDir;
+use tempdir::TempDir;
fn main() {
if env::args().len() > 1 {