2 files changed, 4 insertions, 4 deletions
diff --git a/src/libstd/num/mod.rs b/src/libstd/num/mod.rs
index c81dfad63d7..dad8b70ceac 100644
--- a/src/libstd/num/mod.rs
+++ b/src/libstd/num/mod.rs
@@ -16,7 +16,7 @@
 #![stable(feature = "rust1", since = "1.0.0")]
 #![allow(missing_docs)]
 
-#[cfg(test)] use fmt::Show;
+#[cfg(test)] use fmt::Debug;
 use ops::{Add, Sub, Mul, Div, Rem, Neg};
 
 use marker::Copy;
@@ -353,7 +353,7 @@ pub fn test_num<T>(ten: T, two: T) where
     T: PartialEq + NumCast
      + Add<Output=T> + Sub<Output=T>
      + Mul<Output=T> + Div<Output=T>
-     + Rem<Output=T> + Show
+     + Rem<Output=T> + Debug
      + Copy
 {
     assert_eq!(ten.add(two),  cast(12i).unwrap());
diff --git a/src/libstd/num/strconv.rs b/src/libstd/num/strconv.rs
index 67fe599ecd6..1d3bf484edb 100644
--- a/src/libstd/num/strconv.rs
+++ b/src/libstd/num/strconv.rs
@@ -379,14 +379,14 @@ pub fn float_to_str_bytes_common<T: Float>(
 
             // only resize buf if we actually remove digits
             if i < buf_max_i {
-                buf = buf.slice(0, i + 1).to_vec();
+                buf = buf[.. (i + 1)].to_vec();
             }
         }
     } // If exact and trailing '.', just cut that
     else {
         let max_i = buf.len() - 1;
         if buf[max_i] == b'.' {
-            buf = buf.slice(0, max_i).to_vec();
+            buf = buf[.. max_i].to_vec();
         }
     }