these 2 derivations will be built:
  /nix/store/4jgxzhpam7xs220nrmhia6xvgqyfpnh5-tincd-deps-0.1.0.drv
  /nix/store/6nlsall3wqk1l15zn8nmka61bqb8n5zd-tincd-test-0.1.0.drv