these 3 derivations will be built:
  /nix/store/1dfv6k3ghjpl5ww1sajl25lbqlhg5dl3-iets-fuzz-diff-0.0.0.drv
  /nix/store/zn88v2zal11576byl5fmisjvc5ls2k4p-iets-fuzzers-0.0.0.drv
  /nix/store/1lzrz9nn09kyab5qnhjfjbnp764c9slp-iets-fuzz-drv-eval-check.drv