Move cgroup module out from docker

src/docker/container.rs

@@ -10,11 +10,11 @@ use tokio::signal::unix::{signal, SignalKind};
 use tokio::task::{spawn, JoinHandle};
 use tokio_stream::StreamExt;
 
-use super::cgroup::{
+use super::{IoStream, IoStreamSource};
+use crate::cgroup::{
     Access, DeviceAccessController, DeviceAccessControllerDummy, DeviceAccessControllerV1,
     DeviceAccessControllerV2, DeviceType,
 };
-use super::{IoStream, IoStreamSource};
 
 #[derive(Clone)]
 pub struct Container {

src/docker/mod.rs

@@ -1,4 +1,3 @@
-mod cgroup;
 mod container;
 mod docker;
 mod iostream;

src/main.rs

@@ -1,3 +1,4 @@
+mod cgroup;
 mod cli;
 mod docker;
 mod hotplug;