Dummy to see if CI actually compiles example

examples/tokio_console.rs

@@ -9,7 +9,7 @@
 //!
 //! Then, open the `tokio-console` application (see https://crates.io/crates/tokio-console) to
 //! follow the subsystem tasks live.
-
+xxx
 use miette::Result;
 use tokio::time::{sleep, Duration};
 use tokio_graceful_shutdown::{FutureExt, SubsystemBuilder, SubsystemHandle, Toplevel};