these 2 derivations will be built:
  /nix/store/v564rn97swb7nf2ynpkrhh3lqi5gn8sh-iets-fuzzers-0.0.0.drv
  /nix/store/i2jqnsyr3d6192fnv773rrhz4dbg8as8-iets-fuzz-parse-check.drv