these 2 derivations will be built:
  /nix/store/h2qai5vns12gp8wf0nh1hh4p723kg8cb-niks3-tests-1.4.0.drv
  /nix/store/c5zggk3y8djnzjphn2jgxxhbz495cfqz-niks3-go-unit-tests.drv