Require feature attributes, and add them where necessary

Author: brson

src/compiletest/compiletest.rs

@@ -20,6 +20,7 @@
 #![feature(std_misc)]
 #![feature(test)]
 #![feature(path_ext)]
+#![feature(str_char)]
 
 #![deny(warnings)]
 

src/libcollections/lib.rs

@@ -36,7 +36,7 @@
 #![feature(unsafe_no_drop_flag)]
 #![feature(step_by)]
 #![feature(str_char)]
-#![cfg_attr(test, feature(rand, rustc_private, test))]
+#![cfg_attr(test, feature(rand, rustc_private, test, hash, collections))]
 #![cfg_attr(test, allow(deprecated))] // rand
 
 #![feature(no_std)]

src/libcollectionstest/lib.rs

@@ -20,6 +20,7 @@
 #![feature(unboxed_closures)]
 #![feature(unicode)]
 #![feature(unsafe_destructor)]
+#![cfg_attr(test, feature(str_char))]
 
 #[macro_use] extern crate log;
 

src/libcoretest/lib.rs

@@ -24,6 +24,8 @@
 #![feature(io)]
 #![feature(collections)]
 #![feature(debug_builders)]
+#![feature(unique)]
+#![feature(step_by)]
 #![allow(deprecated)] // rand
 
 extern crate core;

src/libflate/lib.rs

@@ -28,6 +28,7 @@
 #![feature(libc)]
 #![feature(staged_api)]
 #![feature(unique)]
+#![cfg_attr(test, feature(rustc_private, rand, collections))]
 
 #[cfg(test)] #[macro_use] extern crate log;
 

src/librand/lib.rs

@@ -34,7 +34,7 @@
 #![deprecated(reason = "use the crates.io `rand` library instead",
               since = "1.0.0-alpha")]
 
-#![cfg_attr(test, feature(test, rand))]
+#![cfg_attr(test, feature(test, rand, rustc_private))]
 
 #![allow(deprecated)]
 

src/librustc/lint/context.rs

@@ -212,7 +212,7 @@ impl LintStore {
     fn maybe_stage_features(&mut self, sess: &Session) {
         let lvl = match sess.opts.unstable_features {
             UnstableFeatures::Default => return,
-            UnstableFeatures::Disallow => Warn,
+            UnstableFeatures::Disallow => Forbid,
             UnstableFeatures::Cheat => Allow
         };
         match self.by_name.get("unstable_features") {

src/librustc/middle/stability.rs

@@ -26,7 +26,7 @@ use syntax::ast::{Item, Generics, StructField};
 use syntax::ast_util::is_local;
 use syntax::attr::{Stability, AttrMetaMethods};
 use syntax::visit::{FnKind, Visitor};
-use syntax::feature_gate::emit_feature_warn;
+use syntax::feature_gate::emit_feature_err;
 use util::nodemap::{NodeMap, DefIdMap, FnvHashSet, FnvHashMap};
 use util::ppaux::Repr;
 
@@ -237,7 +237,7 @@ impl<'a, 'tcx> Checker<'a, 'tcx> {
                         None => format!("use of unstable library feature '{}'", &feature)
                     };
 
-                    emit_feature_warn(&self.tcx.sess.parse_sess.span_diagnostic,
+                    emit_feature_err(&self.tcx.sess.parse_sess.span_diagnostic,
                                       &feature, span, &msg);
                 }
             }

src/librustc_back/lib.rs

@@ -49,6 +49,7 @@
 #![feature(std_misc)]
 #![feature(path_relative_from)]
 #![feature(step_by)]
+#![cfg_attr(test, feature(test, rand))]
 
 extern crate syntax;
 extern crate serialize;

src/librustc_bitflags/lib.rs

@@ -18,6 +18,7 @@
 #![feature(no_std)]
 #![no_std]
 #![unstable(feature = "rustc_private")]
+#![cfg_attr(test, feature(hash))]
 
 //! A typesafe bitmask flag generator.