--- a/rust/src/params.rs	Sun Sep 22 22:06:46 2019 +0800
+++ b/rust/src/params.rs	Wed Oct 16 22:33:06 2019 +0800
@@ -19,8 +19,6 @@
 // for try_concat()
 use futures::stream::TryStreamExt;
 use futures::executor::block_on;
-// for block_on().or_else
-use futures_util::try_future::TryFutureExt;
 
 use riker::actors::*;
 
@@ -181,7 +179,9 @@
         ctx.schedule_once(Duration::from_secs(1), ctx.myself(), None, PollForParams);
 
         if let Err(e) = self.do_poll(ctx) {
-            warn!("Problem fetching params: {}", e);
+            self.limitlog.and_then(|| {
+                warn!("Problem fetching params: {}", e)
+            });
         }
     }