Fixing ci issues

Author: Jamesbarford

compiler/rustc_type_ir/src/lib.rs

@@ -5,7 +5,8 @@
 #![allow(rustc::usage_of_type_ir_inherent)]
 #![allow(rustc::usage_of_type_ir_traits)]
 #![cfg_attr(feature = "nightly", allow(internal_features))]
-#![cfg_attr(feature = "nightly", feature(associated_type_defaults, rustc_attrs, negative_impls))]
+#![cfg_attr(feature = "nightly", feature(associated_type_defaults, negative_impls))]
+#![feature(rustc_attrs)]
 // tidy-alphabetical-end
 
 extern crate self as rustc_type_ir;

compiler/rustc_type_ir/src/sty/mod.rs

@@ -1,6 +1,7 @@
 use std::fmt;
 
 use derive_where::derive_where;
+#[cfg(feature = "nightly")]
 use rustc_data_structures::intern::Interned;
 #[cfg(feature = "nightly")]
 use rustc_macros::HashStable_NoContext;
@@ -128,6 +129,7 @@ impl<I: Interner> IntoKind for Region<I> {
     }
 }
 
+#[cfg(feature = "nightly")]
 impl<'tcx, T: Copy> IntoKind for Interned<'tcx, T> {
     type Kind = T;