Error creating many threads (D language)

thread_massive_error.d

// Error output:
// ...
// desctructed: 32631
// desctructed: 32632
// core.thread.threadbase.ThreadError@src/core/thread/threadbase.d(1217): Error creating thread

module test.thread;

import std.stdio;
import core.thread.osthread;
import core.time;

void main() {
	massThreadTest();
}

private shared Duration dur1ms = dur!("msecs")(1);

private class LogThread : Thread {

	private static shared int desctructed;
	
	this(void function() fn, size_t sz = 0) {
		super(fn, sz);
	}

	this( void delegate() dg, size_t sz = 0 ){
		super(dg, sz);
	}
	
	~this() {
		desctructed = desctructed + 1;
		writeln("desctructed: ", desctructed);
	}
}

private void massThreadTest() {
	writeln("Start");
	const int count = 1_000_000;
	foreach(int i;  1..count) {
		new LogThread(&run).start();
		//write(i);write(' ');
		Thread.sleep(dur1ms);
	}
	writeln("End");
}

private void run() {}