these 2 derivations will be built:
  /nix/store/p2isap30vqahkgdgkf50s1fbk37vf7kn-harmonia-deps-3.1.0.drv
  /nix/store/hvw3fyqbcyz00s0zyidjb9w49l5vg87w-harmonia-clippy-3.1.0.drv