these 3 derivations will be built:
  /nix/store/77jrf02vq7pkq3cq6ckjicm3mp01lnz6-iets-fuzz-diff-0.0.0.drv
  /nix/store/g3rfjjs5wdgmd6j9a5ibbmz1lsw1z5fm-iets-fuzzers-0.0.0.drv
  /nix/store/nrjfcn5bz525ym4l949s5fxfxqyca4l4-iets-fuzz-drv-check.drv