these 2 derivations will be built:
  /nix/store/f1nm5jz3p4hhzn96c7yhmx50lia5pk46-iets-fuzzers-0.0.0.drv
  /nix/store/s6ikaf7cygnjgll964v26dp56wfrfv2s-iets-fuzz-parse-check.drv