this derivation will be built:
  /nix/store/w0mhlqjxfir1x1678a34svbyy45c67z8-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/w0mhlqjxfir1x1678a34svbyy45c67z8-bcachefs-module-7.0.0-39-generic.drv'...