these 3 derivations will be built:
  /nix/store/0y30qsg7ll0r51k7hrfynf4jm91cxac6-source.drv
  /nix/store/k2sqqfsxpc3dq7xpgcx94jj0z0k4wmb1-harmonia-deps-3.2.0.drv
  /nix/store/5h4xmg22p2lci3kycvahgbx9mz33n495-harmonia-clippy-3.2.0.drv