this derivation will be built:
  /nix/store/9xzj1km8g6nayf6n4i80my4a9mz4zlaj-bcachefs-module-7.0.0-27-generic.drv
building '/nix/store/9xzj1km8g6nayf6n4i80my4a9mz4zlaj-bcachefs-module-7.0.0-27-generic.drv'...