use str::Str;
use string::String;
use rt::{self, unwind};
-use io::{Writer, stdio};
+use old_io::{Writer, stdio};
use thunk::Thunk;
use sys::thread as imp;
use sync::mpsc::{channel, Sender};
use boxed::BoxAny;
use result;
- use std::io::{ChanReader, ChanWriter};
+ use std::old_io::{ChanReader, ChanWriter};
use super::{Thread, Builder};
use thunk::Thunk;