https://twitter.com/2btc10000pizzas/status/1303768424133398528

No idea what could be going on here :/
Tracker(const Tracker& t) noexcept : origin(t.origin), copies(t.copies + 1) {}
    Tracker(Tracker&& t) noexcept : origin(t.origin), copies(t.copies) {}
    Tracker& operator=(const Tracker& t) noexcept
    {
        origin = t.origin;
        copies = t.copies + 1;
        return *this;
    }
    Tracker& operator=(Tracker&& t) noexcept
    {
        origin = t.origin;
        copies = t.copies;
        return *this;
    }
};
}
BOOST_AUTO_TEST_CASE(test_tracked_vector)
{
    Tracker t1;
    Tracker t2;
    Tracker t3;
    BOOST_CHECK(t1.origin == &t1);
    BOOST_CHECK(t2.origin == &t2);
    BOOST_CHECK(t3.origin == &t3);