these 3 derivations will be built:
  /nix/store/2krgyrxfhbfgpqlj6yzqy2rr133f562x-iets-fuzzers-0.0.0.drv
  /nix/store/ihbpjrzvsfjvms8wxm3r1wr6gqh15d06-iets-fuzz-diff-0.0.0.drv
  /nix/store/8gp059pm7y1i5yyqs1yrznvyv5m8bv75-iets-fuzz-wire-check.drv