this derivation will be built:
  /nix/store/9yn4gpvc8jqcvp9wzrywfidk00jpc12n-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/9yn4gpvc8jqcvp9wzrywfidk00jpc12n-bcachefs-module-7.0.0-38-generic.drv'...