these 3 derivations will be built:
  /nix/store/gvlbk5v11b88z1k399kisklzqdlr29s9-iets-fuzz-diff-0.0.0.drv
  /nix/store/nvnncvj90gynzci7zxff8p3hiq86cby3-iets-fuzzers-0.0.0.drv
  /nix/store/nj7md4kk1655lnr6cgq38pk6laplwzrv-iets-fuzz-drv-eval-check.drv