these 3 derivations will be built:
  /nix/store/hr6y4i5lkn9riyabgh1hfrafmmmflxfp-iets-fuzz-diff-0.0.0.drv
  /nix/store/zirkr9jw1wzg41yk5wji4mnzi4sxrj0h-iets-fuzzers-0.0.0.drv
  /nix/store/vxnpdv9vakqpgkjcn9rczmf6pa3160ba-iets-fuzz-drv-eval-check.drv