this derivation will be built:
  /nix/store/82ynd5y8mmh5d7l6nyc509yf74jmiyz4-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/82ynd5y8mmh5d7l6nyc509yf74jmiyz4-bcachefs-module-7.0.0-31-generic.drv'...