these 2 derivations will be built:
  /nix/store/njb7mxggx0glj9qpai1dhl3fjslczi5w-iets-deps-0.1.0.drv
  /nix/store/ml907n96dv8v0xgxcvdd76mcxc87smkf-iets-clippy-0.1.0.drv