this derivation will be built:
  /nix/store/j8rcmsrmlc35nl4017rhrd6j3ald2wcl-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/j8rcmsrmlc35nl4017rhrd6j3ald2wcl-bcachefs-module-7.0.0-31-generic.drv'...