gistfile1.txt

Nodejs:
'use strict';

const Hapi = require('hapi');

// Create a server with a host and port
const server = new Hapi.Server();
server.connection({ 
    host: 'localhost', 
    port: 3002
});

// Add the route
server.route({
    method: 'GET',
    path:'/', 
    handler: function (request, reply) {
      return reply(Date.now());
    }
});

// Start the server
server.start((err) => {

    if (err) {
        throw err;
    }
    console.log('Server running at:', server.info.uri);
});

Rust:
extern crate time;
extern crate hyper;
extern crate futures;

use hyper::header;
use hyper::server::{Http, Request, Response, Service};

struct Time;

impl Service for Time {
  type Request = Request;
  type Response = Response;
  type Error = hyper::Error;
  type Future = futures::future::FutureResult<Self::Response, Self::Error>;

  fn call(&self, _req: Request) -> Self::Future {
    let now = time::now_utc();
    let spec = now.to_timespec();
    let time = spec.sec * 1000 + spec.nsec as i64 / 1_000_000;
    let now = format!("{}", time);

    futures::future::ok(
      Response::new()
        .with_header(header::ContentLength(now.len() as u64))
        .with_body(now)
    )
  }
}

fn main() {
  let addr = "127.0.0.1:3001".parse().unwrap();
  let server = Http::new().bind(&addr, || Ok(Time)).unwrap();
  server.run().unwrap();
}

Results:

$ wrk -t 10 -d 30s -c 1000 --latency http://127.0.0.1:3002/ # JS+Hapi
Running 30s test @ http://127.0.0.1:3002/
  10 threads and 1000 connections
24/360  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency   536.89ms  160.39ms   1.39s    82.31%
    Req/Sec   193.91    141.67   730.00     68.08%
  Latency Distribution
     50%  520.01ms
     75%  540.08ms
     90%  623.96ms
     99%    1.08s 
  51325 requests in 30.09s, 11.27MB read
  Socket errors: connect 0, read 0, write 0, timeout 264
Requests/sec:   1705.95
Transfer/sec:    383.50KB

$ wrk -t 10 -d 30s -c 1000 --latency http://127.0.0.1:3001/ # Rust
Running 30s test @ http://127.0.0.1:3001/
  10 threads and 1000 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency    14.98ms   11.46ms 451.05ms   99.34%
    Req/Sec     6.83k     1.09k   13.11k    78.13%
  Latency Distribution
     50%   14.12ms
     75%   15.56ms
     90%   17.62ms
     99%   23.42ms
  2039715 requests in 30.07s, 173.12MB read
Requests/sec:  67822.30
Transfer/sec:      5.76MB