Tweak

src/main/java/net/minecraftforge/fml/Logging.java

@@ -35,4 +35,8 @@ public class Logging
     public static final Marker SPLASH = MarkerManager.getMarker("SPLASH");
     public static final Marker CAPABILITIES = MarkerManager.getMarker("CAPABILITIES");
     public static final Marker MODELLOADING = MarkerManager.getMarker("MODELLOADING");
+
+    // --log CORE:+DEBUG,SCAN:-OFF
+    // forge log debug 5
+
 }

src/main/java/net/minecraftforge/fml/network/FMLNetworking.java

@@ -138,7 +138,6 @@ public class FMLNetworking
         {
             private List<String> modList;
 
-            private int index;
             S2CModList() {
                 this.modList = ModList.get().getMods().stream().map(ModInfo::getModId).collect(Collectors.toList());
             }