these 2 derivations will be built:
  /nix/store/b8vbdibakzi8lh0ksmlam93ppcn0gqbk-niks3-tests-1.4.0.drv
  /nix/store/kjwsy55r41b9l7f6gnlivs4rndd0k17c-niks3-go-unit-tests.drv