[debug] [zinc] IncrementalCompile -----------
[debug] IncrementalCompile.incrementalCompile
[debug] previous = Stamps for: 2 products, 1 sources, 1 libraries
[debug] current source = Set(${BASE}/src/main/scala/FSets.scala)
[debug] > initialChanges = InitialChanges(Changes(added = Set(), removed = Set(), changed = Set(), unmodified = ...),Set(),Set(),API Changes: Set())
[debug] No changes
