source("class A {}", "class B {}")
        withBuildCache().run language.compileTaskName
        def cachedBuild = outputs.snapshot {
            withBuildCache().run "clean", language.compileTaskName
        }
        cachedBuild.groupedOutput.task(":compileJava").outcome == "FROM_CACHE"

        when:
        source("class A { /* ${UUID.randomUUID()} */ }")

	// Load cached cgo header, but only if we're skipping the main build (cachedBuild==true).
	if cachedBuild && need&needCgoHdr != 0 {
		if err := b.loadCachedCgoHdr(a); err == nil {
			need &^= needCgoHdr
		}
	}

	// Load cached coverage meta-data file fragment, but only if we're
	// skipping the main build (cachedBuild==true).
	if cachedBuild && need&needCovMetaFile != 0 {
		bact := a.Actor.(*buildActor)