Webpack error with multiple configurations and --info-verbosity verbose

index.js

console.log("client");

package.json

{
  "name": "test-webpack",
  "version": "1.0.0",
  "description": "",
  "scripts": {
    "start:ok": "webpack",
    "start:error": "webpack --info-verbosity verbose"
  },
  "devDependencies": {
    "@types/node": "^12.0.4",
    "@types/webpack": "^4.4.32",
    "webpack": "^4.32.2",
    "webpack-cli": "^3.3.2"
  }
}

server.js

console.log("server");

webpack.config.js

// @ts-check
const webpack = require('webpack');
const path = require('path');

module.exports = [clientConfig, serverConfig];

function clientConfig(env) {
  /** @type {webpack.Configuration} */
  const config = {
    entry: './index.js',
    mode: env && env.prod ? 'production' : 'development',
    target: 'web',
    output: {
      path: path.resolve(__dirname, 'build', 'static'),
      filename: 'index.js',
    },
    resolve: {
      extensions: ['.js'],
    },
  }

  return config;
}


function serverConfig(env) {
  /** @type {webpack.Configuration} */
  const config = {
    entry: './server.js',
    mode: env && env.prod ? 'production' : 'development',
    target: 'node',
    output: {
      path: path.resolve(__dirname, 'build'),
      filename: 'server.js',
    },
    resolve: {
      extensions: ['.js'],
    },
  }
  
  return config;
}