these 3 derivations will be built:
  /nix/store/7hlcbp41qplw5lyb3vlqfkalfjn2w1sa-iets-fuzz-diff-0.0.0.drv
  /nix/store/bv92qpppn42w9hgj7swahcxhmzpj21wq-iets-fuzzers-0.0.0.drv
  /nix/store/w8pb5fvdii0rma3ln9bjbycd8y7kqy2b-iets-fuzz-drv-check.drv