Do not ignore docker history command errors. (#298)
Do not ignore docker history command errors. (#298)


damonkohler/cartographer,larics/cartographer,wohe/cartographer,wohe/cartographer,googlecartographer/cartographer,damonkohler/cartographer,larics/cartographer,larics/cartographer,googlecartographer/cartographer,larics/cartographer,damonkohler/cartographer,googlecartographer/cartographer,cartographer-project/cartographer,googlecartographer/cartographer,cartographer-project/cartographer,cartographer-project/cartographer,damonkohler/cartographer,wohe/cartographer,cartographer-project/cartographer,wohe/cartographer