#![cfg_attr(test, feature(test))]
#![feature(box_patterns)]
#![feature(box_syntax)]
-#![cfg_attr(stage0, feature(macro_vis_matcher))]
-#![cfg_attr(not(stage0), feature(nll))]
+#![feature(nll)]
#![feature(quote)]
#![feature(rustc_diagnostic_macros)]
#![feature(macro_at_most_once_rep)]