these 2 derivations will be built:
  /nix/store/kjhkl9vh0pg4lni0mxjx22x3d8sjhpgy-tui-test-0.1.0.drv
  /nix/store/ahmxcw2iwjq4n3wjdjzmnr4didr6mlhq-check-tui-test.drv