fixed warnings

ipc/tests/binary.rs

@@ -14,4 +14,6 @@
 // You should have received a copy of the GNU General Public License
 // along with Parity.  If not, see <http://www.gnu.org/licenses/>.
 
+#![allow(dead_code, unused_assignments)] // codegen issues
+
 include!(concat!(env!("OUT_DIR"), "/binary.rs"));

ipc/tests/binary.rs.in

@@ -14,6 +14,7 @@
 // You should have received a copy of the GNU General Public License
 // along with Parity.  If not, see <http://www.gnu.org/licenses/>.
 
+
 use ipc::*;
 use std::mem;
 use std::collections::VecDeque;