this derivation will be built:
  /nix/store/s7zklagf3h4pip3gkvdh8brkfj2r6krv-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/s7zklagf3h4pip3gkvdh8brkfj2r6krv-bcachefs-module-7.0.0-34-generic.drv'...