these 2 derivations will be built:
  /nix/store/wvwk2mq3z8d3vqlry437l06aim9a1bm2-harmonia-deps-3.2.0.drv
  /nix/store/d0wykpvwvkrm6whmw73d5z6i0pbrawv5-harmonia-3.2.0.drv