this derivation will be built:
  /nix/store/n8ywhp5jmhjmsmx722j1jx3gzqp772yb-bcachefs-module-7.0.0-30-generic-64k.drv
building '/nix/store/n8ywhp5jmhjmsmx722j1jx3gzqp772yb-bcachefs-module-7.0.0-30-generic-64k.drv'...