these 3 derivations will be built:
  /nix/store/iynf8nzwpcmzif19i1xb8aa31ph1gffq-iets-fuzzers-0.0.0.drv
  /nix/store/km706dwhhb9hghg4cmidc1xvr4sj4n1v-iets-fuzz-diff-0.0.0.drv
  /nix/store/5r4nypj9q139f3r0gm8yazbwx804hyv8-iets-fuzz-parse-check.drv