Example of a failing async.queue usage, resulting in a stack overflow

output.txt

$ node -v
v0.10.16
$ node index.js

/root/tmp/node_modules/async/lib/async.js:710
            process: function () {
                              ^
RangeError: Maximum call stack size exceeded

stackoverflow.js

var async = require('async'); // async 0.2.9

var process = function (doc, cb) {
  cb(doc);
};
var queue = async.queue(process, 1);

var i;
// Synchronously create a lot of tasks
for (i = 0 ; i < 10000 ; i++) {
  queue.push(i);
}