these 3 derivations will be built:
  /nix/store/8s3h6virksq1ar9fik63l60kx4a5rl9y-iets-fuzzers-0.0.0.drv
  /nix/store/kmh67y1lvh6paf948wr7crr547zla5y7-iets-fuzz-diff-0.0.0.drv
  /nix/store/92n38icw0c1as1c7sjc4xl90zhxqi06z-iets-fuzz-drv-eval-check.drv