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-rw-r--r--src/librustc_errors/lib.rs7
1 files changed, 4 insertions, 3 deletions
diff --git a/src/librustc_errors/lib.rs b/src/librustc_errors/lib.rs
index db8c9ac306b..0f2e1669a47 100644
--- a/src/librustc_errors/lib.rs
+++ b/src/librustc_errors/lib.rs
@@ -9,7 +9,6 @@
 // except according to those terms.
 
 #![crate_name = "rustc_errors"]
-#![unstable(feature = "rustc_private", issue = "27812")]
 #![crate_type = "dylib"]
 #![crate_type = "rlib"]
 #![doc(html_logo_url = "https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png",
@@ -19,11 +18,13 @@
 
 #![feature(custom_attribute)]
 #![allow(unused_attributes)]
-#![feature(rustc_private)]
-#![feature(staged_api)]
 #![feature(range_contains)]
 #![feature(libc)]
 
+#![cfg_attr(stage0, unstable(feature = "rustc_private", issue = "27812"))]
+#![cfg_attr(stage0, feature(rustc_private))]
+#![cfg_attr(stage0, feature(staged_api))]
+
 extern crate term;
 extern crate libc;
 extern crate serialize as rustc_serialize;