generate less warnings

jps/src/org/jetbrains/jps/ProjectBuilder.groovy

@@ -249,7 +249,7 @@ class ProjectBuilder {
 
   private def chunkOutput(ModuleChunk chunk) {
     if (outputs[chunk] == null) {
-      binding.project.warning("Dependency module ${chunk.name} haven't yet been built, now building it");
+      project.info("Dependency module ${chunk.name} haven't yet been built, now building it");
       makeChunk(chunk)
     }
     return outputs[chunk]

jps/src/org/jetbrains/jps/builders/javacApi/Java16ApiCompiler.groovy

@@ -46,6 +46,7 @@ class Java16ApiCompiler {
       options << targetLevel
     }
     options << "-g"
+    options << "-nowarn"
 //    options << "-verbose"
 
     List<File> filesToCompile = []