these 2 derivations will be built:
  /nix/store/sqmwgbm5p6kj54pjh23jx6h8yacsixzw-harmonia-deps-3.2.0.drv
  /nix/store/7h9bfqc11gmsdzrvlr02jnmjlz2qyrbq-harmonia-3.2.0.drv