these 2 derivations will be built:
  /nix/store/qy8spzr7bcacgh3860r6zbar00srj2yz-niks3-tests-1.4.0.drv
  /nix/store/jp6kjx0b861i6k6x72m47d2sbq7x6jh3-niks3-go-unit-tests.drv