bigint upgraded to version 3.0

util/network/src/discovery.rs

@@ -559,7 +559,7 @@ mod tests {
 	use node_table::{Node, NodeId, NodeEndpoint};
 
 	use std::str::FromStr;
-	use rustc_serialize::hex::FromHex;
+	use rustc_hex::FromHex;
 	use ethkey::{Random, Generator};
 	use AllowIP;
 

util/network/src/handshake.rs

@@ -331,7 +331,7 @@ impl Handshake {
 #[cfg(test)]
 mod test {
 	use std::sync::Arc;
-	use rustc_serialize::hex::FromHex;
+	use rustc_hex::FromHex;
 	use super::*;
 	use util::hash::H256;
 	use io::*;

util/network/src/lib.rs

@@ -66,6 +66,7 @@ extern crate crypto as rcrypto;
 extern crate rand;
 extern crate time;
 extern crate ansi_term; //TODO: remove this
+extern crate rustc_hex;
 extern crate rustc_serialize;
 extern crate igd;
 extern crate libc;