Remove unstable features

Author: alexcrichton

src/bin/migrate.rs

@@ -1,5 +1,4 @@
 #![deny(warnings)]
-#![feature(iter_cmp)]
 
 extern crate cargo_registry;
 extern crate migrate;
@@ -144,7 +143,7 @@ fn migrations() -> Vec<Migration> {
             for row in try!(stmt.query(&[])) {
                 let pkg: Crate = Model::from_row(&row);
                 let versions = pkg.versions(tx).unwrap();
-                let v = versions.iter().max_by(|v| &v.num).unwrap();
+                let v = versions.iter().max_by_key(|v| &v.num).unwrap();
                 let max = v.num.to_string();
                 try!(tx.execute("UPDATE packages SET max_version = $1 \
                                  WHERE id = $2",

src/tests/all.rs

@@ -1,5 +1,4 @@
 #![deny(warnings)]
-#![feature(io)]
 
 extern crate bufstream;
 extern crate cargo_registry;

src/tests/record.rs

@@ -116,10 +116,12 @@ pub fn proxy() -> (String, Bomb) {
 
 fn record_http(mut socket: TcpStream, data: &mut BufStream<File>) {
     let mut request = Vec::new();
-    let http_response = send((&mut socket).tee(&mut request));
+    t!(socket.read_to_end(&mut request));
+    let http_response = send(&request[..]);
 
     let mut response = Vec::new();
-    respond(http_response, socket.broadcast(&mut response));
+    respond(http_response, &mut response);
+    t!(socket.write_all(&response));
 
     t!(write!(data, "===REQUEST {}\n{}\n===RESPONSE {}\n{}\n",
               request.len(),