2 files changed, 7 insertions, 6 deletions
diff --git a/src/libserialize/json.rs b/src/libserialize/json.rs
index 654278cf81b..a9ac5ec3ab4 100644
--- a/src/libserialize/json.rs
+++ b/src/libserialize/json.rs
@@ -334,7 +334,7 @@ pub fn escape_bytes(wr: &mut io::Writer, bytes: &[u8]) -> Result<(), io::IoError
         };
 
         if start < i {
-            try!(wr.write(bytes.slice(start, i)));
+            try!(wr.write(bytes[start..i]));
         }
 
         try!(wr.write_str(escaped));
@@ -343,7 +343,7 @@ pub fn escape_bytes(wr: &mut io::Writer, bytes: &[u8]) -> Result<(), io::IoError
     }
 
     if start != bytes.len() {
-        try!(wr.write(bytes.slice_from(start)));
+        try!(wr.write(bytes[start..]));
     }
 
     wr.write_str("\"")
@@ -371,7 +371,7 @@ fn spaces(wr: &mut io::Writer, mut n: uint) -> Result<(), io::IoError> {
     }
 
     if n > 0 {
-        wr.write(buf.slice_to(n))
+        wr.write(buf[..n])
     } else {
         Ok(())
     }
@@ -1151,7 +1151,7 @@ impl Stack {
             InternalIndex(i) => { Index(i) }
             InternalKey(start, size) => {
                 Key(str::from_utf8(
-                    self.str_buffer.slice(start as uint, start as uint + size as uint)).unwrap())
+                    self.str_buffer[start as uint .. start as uint + size as uint]).unwrap())
             }
         }
     }
@@ -1193,7 +1193,7 @@ impl Stack {
             Some(&InternalIndex(i)) => Some(Index(i)),
             Some(&InternalKey(start, size)) => {
                 Some(Key(str::from_utf8(
-                    self.str_buffer.slice(start as uint, (start+size) as uint)
+                    self.str_buffer[start as uint .. (start+size) as uint]
                 ).unwrap()))
             }
         }
diff --git a/src/libserialize/lib.rs b/src/libserialize/lib.rs
index 4213a3e3b72..6de8ca19844 100644
--- a/src/libserialize/lib.rs
+++ b/src/libserialize/lib.rs
@@ -23,7 +23,8 @@ Core encoding and decoding interfaces.
        html_favicon_url = "http://www.rust-lang.org/favicon.ico",
        html_root_url = "http://doc.rust-lang.org/master/",
        html_playground_url = "http://play.rust-lang.org/")]
-#![feature(macro_rules, default_type_params, phase)]
+#![allow(unknown_features)]
+#![feature(macro_rules, default_type_params, phase, slicing_syntax)]
 
 // test harness access
 #[cfg(test)]