these 2 derivations will be built:
  /nix/store/8m34n90cmf9nhpf7d5bm7armswy37mwz-tincd-deps-0.1.0.drv
  /nix/store/7pr3d9z9bibhvf4ykfibxcvganc7ha7i-tincd-0.1.0.drv