these 3 derivations will be built:
  /nix/store/1k7namx1m4w52bamnfg9y6vf72qc81wx-iets-fuzzers-0.0.0.drv
  /nix/store/1nrz7y47dmb428mlck7mvhrccg8zfxrq-iets-fuzz-diff-0.0.0.drv
  /nix/store/2b7ih2xlsk00vbjiv2ypjd6m7bykmq04-iets-fuzz-parse-check.drv