these 2 derivations will be built:
  /nix/store/s05a0cjnmslp27965y2qlb8hgryya1f5-harmonia-deps-3.1.0.drv
  /nix/store/59zrys9s02xx2d471p32qi7bpij980m4-harmonia-clippy-3.1.0.drv