these 3 derivations will be built:
  /nix/store/akcipkihiv94xgs2mkpgnv443ijb7n92-iets-fuzzers-0.0.0.drv
  /nix/store/xmrfvarp4s9y284sd1d6s8dykkzdiqkz-iets-fuzz-diff-0.0.0.drv
  /nix/store/26qrn4r25ngfvl10kpdmrm6xwpmps4n0-iets-fuzz-drv-eval-check.drv