Code for segfault when using observables

obs_crash.jl

using Makie
using AbstractPlotting.MakieLayout
using OnlineStats
t = Node(0)

function foo()
    scene, layout = layoutscene()
    axis = layout[1,1] = LAxis(scene)
    t = Node(0)
    it = lift(t, init = MovingWindow(10, Float32)) do t
        fit!(it[], Float32(t))
    end

    bar!(axis, t, it)
    return scene, axis, t
end

function bar!(axis, t, it)
    m = lift(t, init = Mean(Float32)) do t
        fit!(m[], Float32(t))
    end
    v = lift(m, init = MovingWindow(10, Float32)) do m
        fit!(v[], value(m))
    end
    p = lift(v, init = [Point2f0(0, 0)]) do v
        Point2f0.(value(it[]), value(v))
    end
    scatter!(axis, p)
end

scene, axis, t = foo()

t[] = 40