these 2 derivations will be built:
  /nix/store/zb7b8jfhk111nc0bcwfz5mvvvkx1cfsi-niks3-tests-1.4.0.drv
  /nix/store/wg6b4nd9z7c3vypdi46wi95hhzj30cyh-niks3-go-unit-tests.drv