3 files changed, 7 insertions, 7 deletions
diff --git a/src/libcoretest/any.rs b/src/libcoretest/any.rs
index c0be3a28794..e6a7170acea 100644
--- a/src/libcoretest/any.rs
+++ b/src/libcoretest/any.rs
@@ -101,12 +101,12 @@ fn any_downcast_mut() {
     }
 
     match a_r.downcast_mut::<uint>() {
-        Some(&612) => {}
+        Some(&mut 612) => {}
         x => panic!("Unexpected value {:?}", x)
     }
 
     match b_r.downcast_mut::<uint>() {
-        Some(&413) => {}
+        Some(&mut 413) => {}
         x => panic!("Unexpected value {:?}", x)
     }
 }
diff --git a/src/libcoretest/char.rs b/src/libcoretest/char.rs
index f901e800176..7b6b4f84808 100644
--- a/src/libcoretest/char.rs
+++ b/src/libcoretest/char.rs
@@ -167,7 +167,7 @@ fn test_encode_utf8() {
     fn check(input: char, expect: &[u8]) {
         let mut buf = [0u8; 4];
         let n = input.encode_utf8(buf.as_mut_slice()).unwrap_or(0);
-        assert_eq!(buf.index(&(0..n)), expect);
+        assert_eq!(&buf[0..n], expect);
     }
 
     check('x', &[0x78]);
@@ -181,7 +181,7 @@ fn test_encode_utf16() {
     fn check(input: char, expect: &[u16]) {
         let mut buf = [0u16; 2];
         let n = input.encode_utf16(buf.as_mut_slice()).unwrap_or(0);
-        assert_eq!(buf.index(&(0..n)), expect);
+        assert_eq!(&buf[0..n], expect);
     }
 
     check('x', &[0x0078]);
diff --git a/src/libcoretest/slice.rs b/src/libcoretest/slice.rs
index b714b6a4e41..6fae384763f 100644
--- a/src/libcoretest/slice.rs
+++ b/src/libcoretest/slice.rs
@@ -57,17 +57,17 @@ fn iterator_to_slice() {
             }
             {
                 let mut iter = data.iter_mut();
-                assert_eq!(iter.index(&FullRange), other_data.index(&FullRange));
+                assert_eq!(&iter[], &other_data[]);
                 // mutability:
                 assert!(&mut iter[] == other_data);
 
                 iter.next();
-                assert_eq!(iter.index(&FullRange), other_data.index(&(1..)));
+                assert_eq!(&iter[], &other_data[1..]);
                 assert!(&mut iter[] == &mut other_data[1..]);
 
                 iter.next_back();
 
-                assert_eq!(iter.index(&FullRange), other_data.index(&(1..2)));
+                assert_eq!(&iter[], &other_data[1..2]);
                 assert!(&mut iter[] == &mut other_data[1..2]);
 
                 let s = iter.into_slice();