#![feature(sort_unstable)]
#![feature(trace_macros)]
-#![cfg_attr(stage0, unstable(feature = "rustc_private", issue = "27812"))]
-#![cfg_attr(stage0, feature(rustc_private))]
-#![cfg_attr(stage0, feature(staged_api))]
-#![cfg_attr(stage0, feature(loop_break_value))]
-
-#![recursion_limit="128"]
+#![recursion_limit="256"]
extern crate arena;
extern crate core;
extern crate serialize as rustc_serialize; // used by deriving
+extern crate flate2;
+
#[macro_use]
mod macros;