these 3 derivations will be built:
  /nix/store/pwiy0i850qr84z2zxn4psm4ihw6vn5pk-iets-fuzzers-0.0.0.drv
  /nix/store/qcnwnq601r7nhlvnz9yggl5x1l9v9rp3-iets-fuzz-diff-0.0.0.drv
  /nix/store/9w40g8qgd594rymf22fy08ypyxhbwn32-iets-fuzz-drv-check.drv