code review fixes

.travis.yml

@@ -62,6 +62,7 @@ script:
       cd template_tera && cargo check && cd ..
       cd tls && cargo check && cd ..
       cd rustls && cargo check && cd ..
+      cd udp-echo && cargo check && cd ..
       cd unix-socket && cargo check && cd ..
       cd web-cors/backend && cargo check && cd ../..
       cd websocket && cargo check && cd ..

Cargo.toml

@@ -29,8 +29,8 @@ members = [
   "template_tera",
   "tls",
   "rustls",
-  "unix-socket",
   "udp-echo",
+  "unix-socket",
   "web-cors/backend",
   "websocket",
   "websocket-chat",

udp-echo/Cargo.toml

@@ -6,6 +6,6 @@ edition = "2018"
 
 [dependencies]
 actix = "0.7"
-tokio = "*"
-futures = "*"
-bytes = "*"
+tokio = "0.1"
+futures = "0.1"
+bytes = "0.4"

udp-echo/src/main.rs

@@ -1,8 +1,3 @@
-extern crate actix;
-extern crate bytes;
-extern crate futures;
-extern crate tokio;
-
 use actix::{Actor, AsyncContext, Context, Message, StreamHandler};
 use bytes::BytesMut;
 use futures::stream::SplitSink;