| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/docker/containerd/api/grpc/types | Package types is a generated protocol buffer package. |
| github.com/docker/docker/pkg/locker | |
| github.com/opencontainers/runtime-spec/specs-go | |
| golang.org/x/net/context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| io | Package io provides basic interfaces to I/O primitives. |
| sync | Package sync provides basic synchronization primitives such as mutual exclusion locks. |