this derivation will be built:
  /nix/store/n2yw15gs5vsv28yn9z8g16bqy387mgdn-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/n2yw15gs5vsv28yn9z8g16bqy387mgdn-bcachefs-module-7.0.0-30-generic.drv'...