these 3 derivations will be built:
  /nix/store/c34bwna52n7myr9v7s7hjljdb1j26875-iets-fuzzers-0.0.0.drv
  /nix/store/i8kh6b347jmkykpsh4hli6vzi4xlpm63-iets-fuzz-diff-0.0.0.drv
  /nix/store/h4ilmnaxqsswizrn5gacjr2lffhlgw8l-iets-fuzz-parse-check.drv