Put thread IDs in logging output

syndicate/src/tracer.rs

@@ -55,6 +55,7 @@ pub fn convenient_logging() -> Result<(), Box<dyn std::error::Error>> {
     };
     let subscriber = tracing_subscriber::fmt()
         .with_ansi(true)
+        .with_thread_ids(true)
         .with_max_level(tracing::Level::TRACE)
         .with_env_filter(filter)
         .with_writer(io::stderr)