Fix errors, remove unused files

src/librand/rand_impls.rs

@@ -12,18 +12,18 @@
 
 use core::prelude::*;
 use core::char;
-use core::int;
-use core::uint;
+use core::isize;
+use core::usize;
 
 use {Rand,Rng};
 
-impl Rand for int {
+impl Rand for isize {
     #[inline]
-    fn rand<R: Rng>(rng: &mut R) -> int {
-        if int::BITS == 32 {
-            rng.gen::<i32>() as int
+    fn rand<R: Rng>(rng: &mut R) -> isize {
+        if isize::BITS == 32 {
+            rng.gen::<i32>() as isize
         } else {
-            rng.gen::<i64>() as int
+            rng.gen::<i64>() as isize
         }
     }
 }
@@ -56,13 +56,13 @@ impl Rand for i64 {
     }
 }
 
-impl Rand for uint {
+impl Rand for usize {
     #[inline]
-    fn rand<R: Rng>(rng: &mut R) -> uint {
-        if uint::BITS == 32 {
-            rng.gen::<u32>() as uint
+    fn rand<R: Rng>(rng: &mut R) -> usize {
+        if usize::BITS == 32 {
+            rng.gen::<u32>() as usize
         } else {
-            rng.gen::<u64>() as uint
+            rng.gen::<u64>() as usize
         }
     }
 }

src/libstd/lib.rs

@@ -109,7 +109,7 @@
 #![feature(box_syntax)]
 #![feature(collections)]
 #![feature(core)]
-#![feature(int_uint)]
+#![feature(hash)]
 #![feature(lang_items)]
 #![feature(libc)]
 #![feature(linkage, thread_local, asm)]