this derivation will be built:
  /nix/store/5pb497q4zsjjal43d6ncg9xasq7rh3zd-bcachefs-module-7.0.0-14-generic.drv
building '/nix/store/5pb497q4zsjjal43d6ncg9xasq7rh3zd-bcachefs-module-7.0.0-14-generic.drv'...