these 3 derivations will be built:
  /nix/store/pvfs2mjha28wyigzlbnn6bd65hizbb95-iets-fuzzers-0.0.0.drv
  /nix/store/xs9hd6d7x3vi1mr5rxprqnflflzz6v7f-iets-fuzz-diff-0.0.0.drv
  /nix/store/l25aa1g1dxmy3mbzs8x7s3a7vkxd170p-iets-fuzz-drv-check.drv