these 2 derivations will be built:
  /nix/store/lgqw6y6195xxizzidllawdgclp246w2x-iets-fuzzers-0.0.0.drv
  /nix/store/wa3q1rg2f4335xyjpjg99sq0zc7bxmid-iets-fuzz-drv-check.drv