these 2 derivations will be built:
  /nix/store/yp6q5kbmcafy1p81fqrsbi2nq3n98q2n-tincd-deps-0.1.0.drv
  /nix/store/my3qqd98gkw0rdiva2r01adxmq33phbi-tincd-test-0.1.0.drv