these 2 derivations will be built:
  /nix/store/rswdvcc6al0583q4sz16rhbj9yg7i8nb-harmonia-deps-3.2.0.drv
  /nix/store/i831j3vi3knqf4z2ph0d9gc0ilhzpldj-harmonia-3.2.0.drv