this derivation will be built:
  /nix/store/xjjrw138j7chls5765d326jfjwlqn0q4-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/xjjrw138j7chls5765d326jfjwlqn0q4-bcachefs-module-7.0.0-34-generic.drv'...