fuck.js

#!/usr/bin/node --harmony
const data = {
	username: '12X34567',
	password: 'abcde12345'
};

const address = [
	'https://',
	'\x77\x6C\x61\x6E\x61\x75\x74\x68\x2E\x6E\x6F\x63\x2E\x74\x69\x74\x65\x63\x68\x2E\x61\x63\x2E\x6A\x70\x2F\x6C\x6F\x67\x69\x6E',
	'.html'
].join('');

const Nightmare = require('nightmare');

const fuck = function* () {
	yield Nightmare()
		.goto(address)
		.type('input[name="username"]', data.username)
		.type('input[name="password"]', data.password)
		.click('input.button')
		.run();
};

fuck().next();

エラーは無視してOK