Elm 0.17 - Lazy error

Error #1

149lazy_test.elm:6939 Uncaught Error: Ran into an unknown patch!
applyPatch @ lazy_test.elm:6939
applyPatches @ lazy_test.elm:6889
updateIfNeeded @ lazy_test.elm:6277

Error #2

Also run into this error with lazy, couldn't reproduce it just yet.

Uncaught TypeError: Cannot read property 'index' of undefined
addDomNodesHelp @ main.js:7314
addDomNodes @ main.js:7306
addDomNodesHelp @ main.js:7322
addDomNodesHelp @ main.js:7353
addDomNodesHelp @ main.js:7353
addDomNodesHelp @ main.js:7353
addDomNodesHelp @ main.js:7353
addDomNodesHelp @ main.js:7353
addDomNodesHelp @ main.js:7353
addDomNodes @ main.js:7306
applyPatches @ main.js:7381
updateIfNeeded @ main.js:6775

lazy_test.elm

import Html exposing (node, div, text)
import Html.App
import Html.Lazy
import Time

type Msg
  = UpdateTime Float

type alias Model =
  { time : Float }

update : Msg -> Model -> (Model, Cmd Msg)
update msg model =
  case msg of
    UpdateTime time ->
      ({ model | time = time }, Cmd.none)

view : Model -> Html.Html Msg
view model =
  node "test" [] [text (toString model.time)]

main =
  Html.App.program
    { init = ({ time = 0}, Cmd.none)
    , update = update
    , view = Html.Lazy.lazy view
    , subscriptions = \_ -> Time.every 100 UpdateTime
    }