these 2 derivations will be built:
  /nix/store/ckf20kabwwqpqbajk8mimqsdq1yawh3b-iets-fuzzers-0.0.0.drv
  /nix/store/2czak20c1j08rc3pdcfxmyv6sjyqxj5v-iets-fuzz-parse-check.drv