these 3 derivations will be built:
  /nix/store/w4gc0s040nvandpn75iny92mldm4mvqd-source.drv
  /nix/store/1dybj9cjdx2dl9k2mhci2x6kffnkkwig-harmonia-deps-3.3.0.drv
  /nix/store/bwygbw93mfddzw7wgbz4cs5isrvi71dr-harmonia-clippy-3.3.0.drv