these 2 derivations will be built:
  /nix/store/h3hcfzkmb348599gim0ckjil73j7gzz6-niks3-tests-1.4.0.drv
  /nix/store/531hljka0a1hpq02l5m6bbkcbdsr8d63-niks3-go-unit-tests.drv