this derivation will be built:
  /nix/store/whsvccainnvfl0rwvkl9yh9xjn74bzng-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/whsvccainnvfl0rwvkl9yh9xjn74bzng-bcachefs-module-7.0.0-39-generic.drv'...