these 2 derivations will be built:
  /nix/store/4sivm165ry1gjjap1233p2r8d9gawd8l-iets-fuzzers-0.0.0.drv
  /nix/store/rk27gf1l2w644a77ci789835jcnv46pw-iets-fuzz-drv-check.drv