this derivation will be built:
  /nix/store/jxjgg563bmdgpxflz5qh876vw121zv3l-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/jxjgg563bmdgpxflz5qh876vw121zv3l-bcachefs-module-7.0.0-39-generic.drv'...