these 3 derivations will be built:
  /nix/store/rqyxrq9r7y2dig33vvda03xmvpzhqs1y-iets-fuzz-diff-0.0.0.drv
  /nix/store/x8z71yvgbqsqg0cyfahsd2vlsxpsz6l7-iets-fuzzers-0.0.0.drv
  /nix/store/w6881hcf35i3x32zgm4zc5aqiz8yywdg-iets-fuzz-drv-check.drv