fixed warnings

src/network/host.rs

@@ -655,19 +655,3 @@ impl Handler for Host {
 		}
 	}
 }
-
-
-#[cfg(test)]
-mod tests {
-    use network::host::Host;
-	use env_logger;
-    #[test]
-	//#[ignore]
-    fn net_connect() {
-		env_logger::init().unwrap();
-        let _ = Host::start();
-    }
-}
-
-
-

src/rlp/tests.rs

@@ -4,7 +4,7 @@ use self::json_tests::rlp as rlptest;
 use std::{fmt, cmp};
 use std::str::FromStr;
 use rlp;
-use rlp::{UntrustedRlp, RlpStream, Decodable, View, Stream, Encodable};
+use rlp::{UntrustedRlp, RlpStream, View, Stream};
 use uint::U256;
 
 #[test]