these 3 derivations will be built:
  /nix/store/mikpsarxp582hnfb82f5gviyg04i03fj-iets-fuzz-diff-0.0.0.drv
  /nix/store/qyfsyibwzsq4acrz3680f49f9kp7s2lk-iets-fuzzers-0.0.0.drv
  /nix/store/5fxjnhm6vzb2b5z7fjdpqp43x2wch8x3-iets-fuzz-drv-check.drv