remove warnings

src/main.rs

@@ -1,22 +1,20 @@
-use std::thread;
-//use server_conf::server_conf;
-use std::sync::{Arc, RwLock};
 use log::info;
-use simple_logger::SimpleLogger;
+use std::sync::{Arc, RwLock};
+use std::thread;
 mod client;
 mod conf;
-mod server_conf;
 mod protocol;
+mod server_conf;
 mod server_proxy;
 
 fn main() {
-    SimpleLogger::new().init().unwrap();
+    env_logger::init();
     info!("start server");
     let servers = Arc::new(RwLock::new(conf::Config::new()));
     let s1 = servers.clone();
     let s2 = servers.clone();
     let stop1 = thread::spawn(|| server_proxy::start(s1));
     let stop2 = thread::spawn(|| server_conf::server::start(s2));
-    stop1.join();
-    stop2.join();
+    _ = stop1.join();
+    _ = stop2.join();
 }