From 1a78a93cb1b227985c6a9c520eb13ce8b8146b7e Mon Sep 17 00:00:00 2001
From: Alex Crichton <alex@alexcrichton.com>
Date: Thu, 29 Jan 2015 08:34:35 -0800
Subject: [PATCH] Add some feature gates

---
 src/lib.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lib.rs b/src/lib.rs
index 692a350..cbd742c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,4 +1,4 @@
-#![allow(unstable)]
+#![feature(collections, core, io, path, os)]
 
 use std::old_io::Command;
 use std::old_io::process::InheritFd;