Memory leak in BLE discovery

#include <QBluetoothDeviceDiscoveryAgent>
#include <QCoreApplication>
#include <QDebug>

int main(int argc, char *argv[])
{
    QCoreApplication app(argc, argv);

    QBluetoothDeviceDiscoveryAgent discoveryAgent;
    discoveryAgent.setLowEnergyDiscoveryTimeout(5000);

    auto doScan = [&]{
        static int i = 0;
        qDebug() << "Starting scan; Iteration" << ++i;
        discoveryAgent.start(QBluetoothDeviceDiscoveryAgent::LowEnergyMethod);
    };

    QObject::connect(&discoveryAgent, &QBluetoothDeviceDiscoveryAgent::finished, &app, [&]
    {
        qDebug() << "Found" << discoveryAgent.discoveredDevices().count() << "devices";
        doScan();
    });

    doScan();
    return app.exec();
}