these 2 derivations will be built:
  /nix/store/m00cc3h42zq88xqbw2pic9qy42ili5gp-niks3-tests-1.4.0.drv
  /nix/store/l5kf234dqxij6k97cs2v77hx7ak73q66-niks3-go-unit-tests.drv