these 2 derivations will be built:
  /nix/store/xsg8zy5jkl0a10ddi3wcj9byywd8pycj-niks3-tests-1.4.0.drv
  /nix/store/3rdy1912ky70wd0w5dzf21wz6r9mj32s-niks3-go-unit-tests.drv