fix broken beta compilation

ethkey/src/signature.rs

@@ -25,7 +25,6 @@ use bigint::hash::{H520, H256, FixedHash};
 use {Secret, Public, SECP256K1, Error, Message, public_to_address, Address};
 
 #[repr(C)]
-#[derive(Eq)]
 pub struct Signature([u8; 65]);
 
 impl Signature {
@@ -76,6 +75,9 @@ impl PartialEq for Signature {
 	}
 }
 
+// manual implementation required in Rust 1.13+, see `std::cmp::AssertParamIsEq`.
+impl Eq for Signature { }
+
 // also manual for the same reason, but the pretty printing might be useful.
 impl fmt::Debug for Signature {
 	fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {

rpc/src/v1/types/hash.rs

@@ -25,9 +25,10 @@ use util::{H64 as Eth64, H160 as Eth160, H256 as Eth256, H520 as Eth520, H512 as
 macro_rules! impl_hash {
 	($name: ident, $other: ident, $size: expr) => {
 		/// Hash serialization
-		#[derive(Eq)]
 		pub struct $name([u8; $size]);
 
+		impl Eq for $name { }
+
 		impl Default for $name {
 			fn default() -> Self {
 				$name([0; $size])

rpc/src/v1/types/uint.rs

@@ -23,9 +23,11 @@ use util::{U256 as EthU256, Uint};
 macro_rules! impl_uint {
 	($name: ident, $other: ident, $size: expr) => {
 		/// Uint serialization.
-		#[derive(Debug, Default, Clone, Copy, PartialEq, Eq, Hash)]
+		#[derive(Debug, Default, Clone, Copy, PartialEq, Hash)]
 		pub struct $name($other);
 
+		impl Eq for $name { }
+
 		impl<T> From<T> for $name where $other: From<T> {
 			fn from(o: T) -> Self {
 				$name($other::from(o))