Clean up error reporting

syndicate-server/src/services/config_watcher.rs

@@ -66,8 +66,7 @@ fn process_existing_file(
             for e in errors {
                 tracing::error!(path = ?env.path, message = %e);
             }
-            Err(io::Error::new(io::ErrorKind::InvalidData,
-                               format!("Parse of {:?} failed", env.path)))
+            Ok(None)
         }
     }
 }
@@ -116,7 +115,7 @@ fn scan_file(
             true
         },
         Err(e) => {
-            tracing::debug!("scan_file: {:?}: {:?}", &path, e);
+            tracing::error!("scan_file: {:?}: {:?}", &path, e);
             false
         }
     }

syndicate/src/relay.rs

@@ -316,7 +316,7 @@ impl TunnelRelay {
                         Some(ws) =>
                             ws.inc_ref(),
                         None => {
-                            tracing::warn!(
+                            tracing::debug!(
                                 event = ?language().unparse(&P::TurnEvent { oid, event }),
                                 "Cannot deliver event: nonexistent oid");
                             return Ok(());