[debug] 
[debug] Initial source changes: 
[debug] 	removed:Set()
[debug] 	added: Set()
[debug] 	modified: Set()
[debug] Removed products: Set()
[debug] Modified external sources: Set()
[debug] Modified binary dependencies: Set()
[debug] Initial directly invalidated sources: Set()
[debug] 
[debug] Sources indirectly invalidated by:
[debug] 	product: Set()
[debug] 	binary dep: Set()
[debug] 	external source: Set()
[debug] All initially invalidated sources: Set()