this derivation will be built:
  /nix/store/j61w5xfj48kgy6g84yi59vjai5wr85pv-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/j61w5xfj48kgy6g84yi59vjai5wr85pv-bcachefs-module-7.0.0-38-generic.drv'...