Use proper version string.

util/Cargo.toml

@@ -29,6 +29,7 @@ serde = "0.6.7"
 clippy = { version = "0.0.42", optional = true }
 json-tests = { path = "json-tests" }
 target_info = "0.1.0"
+rustc_version = "0.1.0"
 igd = "0.4.2"
 ethcore-devtools = { path = "../devtools" }
 libc = "0.2.7"

util/src/lib.rs

@@ -108,6 +108,7 @@ extern crate log as rlog;
 extern crate igd;
 extern crate ethcore_devtools as devtools;
 extern crate libc;
+extern crate rustc_version;
 
 pub mod standard;
 #[macro_use]

util/src/misc.rs

@@ -18,6 +18,8 @@
 
 use std::fs::File;
 use common::*;
+use target_info::Target;
+use rustc_version;
 
 #[derive(Debug,Clone,PartialEq,Eq)]
 /// Diff type for specifying a change (or not).
@@ -62,3 +64,8 @@ pub fn contents(name: &str) -> Result<Bytes, UtilError> {
 	try!(file.read_to_end(&mut ret));
 	Ok(ret)
 }
+
+/// Get the standard version string for this software.
+pub fn version() -> String {
+	format!("Parity/-/{}/{}-{}-{}/{}", env!("CARGO_PKG_VERSION"), Target::arch(), Target::env(), Target::os(), rustc_version::version())
+}

util/src/network/host.rs

@@ -26,8 +26,8 @@ use std::io::{Read, Write};
 use std::fs;
 use mio::*;
 use mio::tcp::*;
-use target_info::Target;
 use hash::*;
+use misc::version;
 use crypto::*;
 use sha3::Hashable;
 use rlp::*;
@@ -360,7 +360,7 @@ impl<Message> Host<Message> where Message: Send + Sync + Clone {
 				config: config,
 				nonce: H256::random(),
 				protocol_version: PROTOCOL_VERSION,
-				client_version: format!("Parity/{}/{}-{}-{}", env!("CARGO_PKG_VERSION"), Target::arch(), Target::env(), Target::os()),
+				client_version: version(),
 				listen_port: 0,
 				capabilities: Vec::new(),
 			}),