these 2 derivations will be built:
  /nix/store/4lbj8rablhlg11bs9bxcshc1wkcnl8ym-harmonia-deps-3.2.0.drv
  /nix/store/xc0yab5gn2r53f3d2g5irkpgmsdg7fkq-harmonia-3.2.0.drv