this derivation will be built:
  /nix/store/znj9dm9qqjpm1hhg71ajd295anvipf7a-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/znj9dm9qqjpm1hhg71ajd295anvipf7a-bcachefs-module-7.0.0-30-generic.drv'...