these 3 derivations will be built:
  /nix/store/9mnby99rknyh1d3h710hhpsnj8mw2lhi-source.drv
  /nix/store/ngm358zjyjy7y2hjl2sg9rmglxi4kjp5-harmonia-deps-3.1.0.drv
  /nix/store/nrnjc7g38qrv4awd1jqqaggzrspjiwvm-harmonia-clippy-3.1.0.drv