Fix telemetry (and a minor cleanup) (#1384)

substrate/core/telemetry/Cargo.toml

@@ -12,4 +12,4 @@ slog = "^2"
 slog-json = "^2"
 slog-async = "^2"
 slog-scope = "^4"
-ws = { git = "https://github.com/tomusdrw/ws-rs" }
+ws = { version = "^0.7", features = ["ssl"] }

substrate/core/telemetry/src/lib.rs

@@ -66,7 +66,7 @@ pub fn init_telemetry(config: TelemetryConfig) -> slog_scope::GlobalLoggerGuard
 
 	thread::spawn(move || {
 		loop {
-			trace!(target: "telemetry", "Connecting to Telemetry...");
+			trace!(target: "telemetry", "Connecting to Telemetry... {:?}", config.url);
 			let _ = ws::connect(config.url.as_str(), |out| Connection::new(out, &*out_sync, &config));
 
 			thread::sleep(time::Duration::from_millis(5000));