these 3 derivations will be built:
  /nix/store/xqcbihmniyq2q7v1yhgk6gbk5bd18cr6-iets-fuzz-diff-0.0.0.drv
  /nix/store/yyajp2iafycyp29rm1vrpm5abwnkwvjk-iets-fuzzers-0.0.0.drv
  /nix/store/0x0gi2mjmk6mcm3dgkl3748agsmqard5-iets-fuzz-drv-check.drv