| encoding/json | Package json implements encoding and decoding of JSON as defined in RFC 7159. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/codegangsta/cli | |
| github.com/docker/libcontainer/cgroups | |
| github.com/docker/libcontainer/cgroups/fs | |
| github.com/docker/libcontainer/cgroups/systemd | |
| log | Package log implements a simple logging package. |
| os | Package os provides a platform-independent interface to operating system functionality. |
| syscall | Package syscall contains an interface to the low-level operating system primitives. |
| time | Package time provides functionality for measuring and displaying time. |