these 2 derivations will be built:
  /nix/store/v2qgzg7ixap4qvrg29nal92hycb7r4vj-harmonia-deps-3.2.0.drv
  /nix/store/fzhyaai4r5mkgn1kfzbn7rv1pkf9l99y-harmonia-3.2.0.drv