these 2 derivations will be built:
  /nix/store/qs8vj7vhsfg0bnc996zii2pwnv59lrcj-iets-fuzzers-0.0.0.drv
  /nix/store/gwf5r06xyhc0sliw7sji8dl0fyf6v5gb-iets-fuzz-drv-check.drv