Restored rust-toolchain

parity/rpc.rs

@@ -304,6 +304,8 @@ pub fn new_ipc<D: rpc_apis::Dependencies>(
 	let handler = setup_apis(conf.apis, dependencies);
 	let remote = dependencies.remote.clone();
 	let path = PathBuf::from(&conf.socket_addr);
+	// Make sure socket file can be created on unix-like OS.
+	// Windows pipe paths are not on the FS.
 	if !cfg!(windows) {
 		if let Some(dir) = path.parent() {
 			::std::fs::create_dir_all(&dir)

rust-toolchain

@@ -0,0 +1 @@
+stable