these 3 derivations will be built:
  /nix/store/sz1q5ilf6c2bry7s7y26fc9jv59rh2a2-iets-fuzz-diff-0.0.0.drv
  /nix/store/y3nwh8phxn8imgm46ibvgf4njvpx6agp-iets-fuzzers-0.0.0.drv
  /nix/store/hyd6sw14gi67czpa8z1pd7r68zb1js5f-iets-fuzz-drv-eval-check.drv