these 3 derivations will be built:
  /nix/store/p3ip4bg80nmjwq2wnipnamvvn0m7ahjr-source.drv
  /nix/store/b3v0r7wdds4ryp54dqxsiaywpg5s41ac-harmonia-deps-3.2.0.drv
  /nix/store/x9r69fhxlc9j2pp206jvcsn5sd1vssrw-harmonia-clippy-3.2.0.drv