Migrate rpc-servers, serializer, service and sr-io to the 2018 edition (#1732)

substrate/core/service/test/src/lib.rs

@@ -16,23 +16,11 @@
 
 //! Service integration test utils.
 
-#[macro_use]
-extern crate log;
-extern crate tempdir;
-extern crate tokio;
-extern crate futures;
-extern crate env_logger;
-extern crate fdlimit;
-extern crate substrate_service as service;
-extern crate substrate_network as network;
-extern crate substrate_primitives as primitives;
-extern crate substrate_client as client;
-extern crate substrate_consensus_common as consensus;
-extern crate sr_primitives;
 use std::iter;
 use std::sync::Arc;
 use std::net::Ipv4Addr;
 use std::time::Duration;
+use log::info;
 use futures::{Future, Stream};
 use tempdir::TempDir;
 use tokio::runtime::Runtime;