this derivation will be built:
  /nix/store/256skypw04icwq3xsqgy6dm978xpqhgj-bcachefs-module-7.0.0-26-generic.drv
building '/nix/store/256skypw04icwq3xsqgy6dm978xpqhgj-bcachefs-module-7.0.0-26-generic.drv'...