these 3 derivations will be built:
  /nix/store/dh4pg2lq99i3p3r2aswkckad5qrxbjcj-iets-fuzz-diff-0.0.0.drv
  /nix/store/m0dq8m3c5zw2bjp0bfwvzzfrsp96h0sl-iets-fuzzers-0.0.0.drv
  /nix/store/4663gypn2jwa45g1khscl4vyr1zdfig5-iets-fuzz-eval-check.drv