Clean up code warnings

examples/concurrency.rs

@@ -3,7 +3,7 @@
 // Licensed under the MIT License, <LICENSE or http://opensource.org/licenses/MIT>.
 // This file may not be copied, modified, or distributed except according to those terms.
 
-#![feature(inclusive_range_syntax, conservative_impl_trait, plugin, never_type, use_extern_macros)]
+#![feature(conservative_impl_trait, plugin, never_type, use_extern_macros)]
 #![plugin(tarpc_plugins)]
 
 extern crate chrono;

examples/pubsub.rs

@@ -117,7 +117,7 @@ impl publisher::FutureService for Publisher {
     fn unsubscribe(&self, id: u32) -> Self::UnsubscribeFut {
         println!("Unsubscribing {}", id);
         self.clients.borrow_mut().remove(&id).unwrap();
-        futures::finished(()).boxed()
+        Box::new(futures::finished(()))
     }
 }
 

examples/server_calling_server.rs

@@ -14,7 +14,7 @@ extern crate tokio_core;
 
 use add::{FutureService as AddFutureService, FutureServiceExt as AddExt};
 use double::{FutureService as DoubleFutureService, FutureServiceExt as DoubleExt};
-use futures::{BoxFuture, Future, Stream};
+use futures::{Future, Stream};
 use tarpc::future::{client, server};
 use tarpc::future::client::ClientExt as Fc;
 use tarpc::util::{FirstSocketAddr, Message, Never};
@@ -59,13 +59,12 @@ impl DoubleServer {
 }
 
 impl DoubleFutureService for DoubleServer {
-    type DoubleFut = BoxFuture<i32, Message>;
+    type DoubleFut = Box<Future<Item=i32, Error=Message>>;
 
     fn double(&self, x: i32) -> Self::DoubleFut {
-        self.client
+        Box::new(self.client
             .add(x, x)
-            .map_err(|e| e.to_string().into())
-            .boxed()
+            .map_err(|e| e.to_string().into()))
     }
 }