these 2 derivations will be built:
  /nix/store/fwxk0rf5lw673ylm3ywp1gvh6wlj3j75-niks3-tests-1.4.0.drv
  /nix/store/q1wfgkp5zdajpc2lv2l89icpb5zw7p34-niks3-go-unit-tests.drv