these 2 derivations will be built:
  /nix/store/yqdqgzxjh40sj0vm5wcbrsdvl4mbxlxg-nix-unit-2.35.1.drv
  /nix/store/0yrbc9iapgimxff7dbmjgkm98cxcf60b-nix-unit-check.drv