these 3 derivations will be built:
  /nix/store/1k7namx1m4w52bamnfg9y6vf72qc81wx-iets-fuzzers-0.0.0.drv
  /nix/store/1nrz7y47dmb428mlck7mvhrccg8zfxrq-iets-fuzz-diff-0.0.0.drv
  /nix/store/rqm9wg6qffkhj2lprggp2ankp9wzn7nd-iets-fuzz-eval-check.drv