Usage:
  cpprun --version
  cpprun --help
  cpprun [options] features [<subcommand_args>...]
  cpprun [options] state [<subcommand_args>...]
  cpprun [options] create [<subcommand_args>...]
  cpprun [options] start [<subcommand_args>...]
  cpprun [options] kill [<subcommand_args>...]
  cpprun [options] delete [<subcommand_args>...]
  cpprun [options] list [<subcommand_args>...]
  cpprun [options] exec [<subcommand_args>...]
  cpprun [options] run [<subcommand_args>...]

Options:
  --json  Output result (if any) in json format.
  --root  Specify the directory to store container state.