these 2 derivations will be built:
  /nix/store/2dzbgaxwk87nmm9r9saw4657dmh3n5vy-niks3-tests-1.4.0.drv
  /nix/store/zf7asgv31kvfnbhi16n3ajl59j7shp21-niks3-go-unit-tests.drv