these 3 derivations will be built:
  /nix/store/wnaahhrzsn7m1qr3h8zk3198gz92wn4z-iets-fuzzers-0.0.0.drv
  /nix/store/x27byqwijlaz2jr714rila68p1p5gi07-iets-fuzz-diff-0.0.0.drv
  /nix/store/gplyscdbcqr468fbzz7v017ndw7rjyrw-iets-fuzz-eval-check.drv