these 2 derivations will be built:
  /nix/store/qfyb90d1w9alap0ncgs2a82mn04w0kr8-iets-fuzzers-0.0.0.drv
  /nix/store/w3hgccicmjqw55jnc7ykl1gahbvglfh4-iets-fuzz-parse-check.drv