these 2 derivations will be built:
  /nix/store/mrdy88gxsr71prxx3xki8bf8sg1l0yjj-iets-fuzzers-0.0.0.drv
  /nix/store/48aib9gckh3jp6aw42jfblyikcyx0nx1-iets-fuzz-parse-check.drv