these 3 derivations will be built:
  /nix/store/9fd6i0dr7arbvs0nrmkykh8jgyrlavk0-iets-fuzz-diff-0.0.0.drv
  /nix/store/rwq4737nwsk1xrdrlwqyciw8a7ccsrlj-iets-fuzzers-0.0.0.drv
  /nix/store/s5x01868k1mdsfyin45gsgss38k1nhwy-iets-fuzz-drv-eval-check.drv