these 2 derivations will be built:
  /nix/store/4wjdrf2i294dmpikx44k4phzjwvai6mh-niks3-tests-1.4.0.drv
  /nix/store/apavk6qp5pk1kk2qkmv1ya0cqwv2js4n-niks3-go-unit-tests.drv