2 files changed, 3 insertions, 2 deletions
diff --git a/src/libserialize/collection_impls.rs b/src/libserialize/collection_impls.rs
index 53d3b069467..f81edca8371 100644
--- a/src/libserialize/collection_impls.rs
+++ b/src/libserialize/collection_impls.rs
@@ -10,7 +10,7 @@
 
 //! Implementations of serialization for structures found in libcollections
 
-use std::uint;
+use std::usize;
 use std::default::Default;
 use std::hash::{Hash, Hasher};
 use std::collections::hash_state::HashState;
@@ -148,7 +148,7 @@ impl<
     fn decode<D: Decoder>(d: &mut D) -> Result<EnumSet<T>, D::Error> {
         let bits = try!(d.read_uint());
         let mut set = EnumSet::new();
-        for bit in 0..uint::BITS {
+        for bit in 0..usize::BITS {
             if bits & (1 << bit) != 0 {
                 set.insert(CLike::from_usize(1 << bit));
             }
diff --git a/src/libserialize/lib.rs b/src/libserialize/lib.rs
index e86ee4a73ce..4579d1f19d3 100644
--- a/src/libserialize/lib.rs
+++ b/src/libserialize/lib.rs
@@ -31,6 +31,7 @@ Core encoding and decoding interfaces.
 #![feature(int_uint)]
 #![feature(io)]
 #![feature(path)]
+#![feature(hash)]
 #![feature(rustc_private)]
 #![feature(slicing_syntax)]
 #![feature(staged_api)]