I see a lot of test failures in generated failing_test file, and they're some java compilation errors and not related to this bug at all. --- ...

Apr 28 15:14:23 vm-nyd-gs1 java [75330]: java.lang.Error: Unresolved compilation problems: Apr 28 15:14:23 vm-nyd-gs1 java [75330]: CraftItemStack cannot be resolved to a type ...