these 3 derivations will be built:
  /nix/store/1zyrdyk22y2b374q7969w1a1vwzfcddd-iets-fuzzers-0.0.0.drv
  /nix/store/qcm41jscdql9snb0q3qc24csw4gwfpld-iets-fuzz-diff-0.0.0.drv
  /nix/store/axwc0n93q91b1q2rx2yamkdd8rz20pf5-iets-fuzz-parse-check.drv