these 2 derivations will be built:
  /nix/store/5inkx6igvxz7wr2h0kjwsf66lg91zlca-niks3-tests-1.15.0.drv
  /nix/store/9lhxrsk6dw5s99rxnsa9wziqfklwwdp6-niks3-go-unit-tests.drv