these 2 derivations will be built:
  /nix/store/9jzhyrhq44kilm2q3gkl4vph4hxaknn4-niks3-tests-1.4.0.drv
  /nix/store/1h558pm8kkp7sf6drbwlygh82qbmw17g-niks3-go-unit-tests.drv