this derivation will be built:
  /nix/store/g2rjjhia444b50njw8xgv8vb4w19fgxw-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/g2rjjhia444b50njw8xgv8vb4w19fgxw-bcachefs-module-7.0.0-39-generic.drv'...