these 3 derivations will be built:
  /nix/store/hfx1adj0dahkw6qnm5nwyi4gmamnm0kp-iets-fuzzers-0.0.0.drv
  /nix/store/zsagwh2qlgai5xm2wgzkynvv3mp7yprn-iets-fuzz-diff-0.0.0.drv
  /nix/store/nillllblvgz6qxjp7bmvb8pra2i9qqyg-iets-fuzz-drv-eval-check.drv