Imports of package cache

PathSynopsis
github.com/docker/docker/api/types/container
github.com/docker/docker/daemon/logger
github.com/docker/docker/daemon/logger/local
github.com/docker/go-unitsPackage units provides helper function to parse and print size and time units in human-readable format.
github.com/pkg/errorsPackage errors provides simple error handling primitives.
github.com/sirupsen/logrusPackage logrus is a structured logger for Go, completely API compatible with the standard library logger.
strconvPackage strconv implements conversions to and from string representations of basic data types.