Imports of package system

PathSynopsis
errorsPackage errors implements functions to manipulate errors.
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
github.com/containerd/continuity/pathdriver
github.com/opencontainers/image-spec/specs-go/v1
github.com/ory/dockertest/v3/docker/pkg/mount
github.com/pkg/errorsPackage errors provides simple error handling primitives.
golang.org/x/sys/unix
io/ioutilPackage ioutil implements some I/O utility functions.
osPackage os provides a platform-independent interface to operating system functionality.
os/execPackage exec runs external commands.
path/filepathPackage filepath implements utility routines for manipulating filename paths in a way compatible with the target operating system-defined file paths.
runtimePackage runtime contains operations that interact with Go's runtime system, such as functions to control goroutines.
stringsPackage strings implements simple functions to manipulate UTF-8 encoded strings.
syscallPackage syscall contains an interface to the low-level operating system primitives.
timePackage time provides functionality for measuring and displaying time.
unsafePackage unsafe contains operations that step around the type safety of Go programs.