these 3 derivations will be built:
  /nix/store/3gigbpyvpxsf82vk1bvzf4q5vhpdxshy-iets-fuzz-diff-0.0.0.drv
  /nix/store/nqkzy82xbkkh10ypv648fffjc3896hfy-iets-fuzzers-0.0.0.drv
  /nix/store/lafz8l3pfd7x1n7y2wg7x6dmfrm6fw7r-iets-fuzz-eval-check.drv