this derivation will be built:
  /nix/store/yjz4wb7pr70fa38v9m4zhm1w3r2941fn-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/yjz4wb7pr70fa38v9m4zhm1w3r2941fn-bcachefs-module-7.0.0-39-generic.drv'...