various bugfixes

src/providers/rule34gen.rs

@@ -282,7 +282,7 @@ impl Provider for Rule34genProvider {
         }
     }
     
-    fn get_channel(&self, clientversion: ClientVersion) -> crate::status::Channel {
-        self.build_channel(clientversion)
+    fn get_channel(&self, clientversion: ClientVersion) -> Option<crate::status::Channel> {
+        Some(self.build_channel(clientversion))
     }
 }