these 3 derivations will be built:
  /nix/store/6mcsdrqcsj9wzpwrv0xsdgs81mch669h-iets-fuzz-diff-0.0.0.drv
  /nix/store/y3l2rrccjyb4jrrssq4lxnp9amaf9l0z-iets-fuzzers-0.0.0.drv
  /nix/store/rd5rclnxk9gkyflx866jx305hxdf8cci-iets-fuzz-nar-check.drv
building '/nix/store/rd5rclnxk9gkyflx866jx305hxdf8cci-iets-fuzz-nar-check.drv'