these 3 derivations will be built:
  /nix/store/9dhsn5nx06ry2hznxbydyin3q808iiym-iets-fuzzers-0.0.0.drv
  /nix/store/gig7jjmvf6sxb9fg614rxa45kw0bqn91-iets-fuzz-diff-0.0.0.drv
  /nix/store/jz0a9s57aag401rc3vmnhm3svn1whlmh-iets-fuzz-wire-check.drv