these 3 derivations will be built:
  /nix/store/77lqpkxgngpvgrim0y5vjxdb64ns2j2n-iets-fuzz-diff-0.0.0.drv
  /nix/store/v55xwagqdhxx9088bz2hkvc1nm8maa7d-iets-fuzzers-0.0.0.drv
  /nix/store/zrcwb3awk4bxb2qnxz4q8bl401z25v9i-iets-fuzz-parse-check.drv