this derivation will be built:
  /nix/store/hm90gqbva0l48i99c9ybvg95rl3wklka-bcachefs-module-7.0.0-14-generic.drv
building '/nix/store/hm90gqbva0l48i99c9ybvg95rl3wklka-bcachefs-module-7.0.0-14-generic.drv'...