these 3 derivations will be built:
  /nix/store/9wvkcpi2pnc9pbrrwaycdfvvcmqgxg0g-source.drv
  /nix/store/nj98gsssra5cjkm70b7idjgnis59241b-harmonia-deps-3.2.0.drv
  /nix/store/m3mv6hrx60wf3czxdzr8gvl68lbrqh8y-harmonia-clippy-3.2.0.drv