this derivation will be built:
  /nix/store/bj6b417gwk3fdcn0zl92p5j3axf0gzgs-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/bj6b417gwk3fdcn0zl92p5j3axf0gzgs-bcachefs-module-7.0.0-30-generic.drv'...