these 2 derivations will be built:
  /nix/store/39wr1yfb9ibrqwj35la0haycgwjgr6d2-niks3-tests-1.4.0.drv
  /nix/store/y3s6w4x9vj9c0a5gn0zgq5jij79kzh5a-niks3-go-unit-tests.drv