these 2 derivations will be built:
  /nix/store/0dbwan8rsnz3mn2bp7qzrkpz8icd5ngb-niks3-tests-1.4.0.drv
  /nix/store/4mghjk4n7mlh8j2r97w9wd9zmah46id4-niks3-go-unit-tests.drv