From 4c8580152d2b81159017f4e0050acb9fd49a214d Mon Sep 17 00:00:00 2001
From: Alice Ryhl <aliceryhl@google.com>
Date: Wed, 1 Nov 2023 17:33:32 +0100
Subject: [PATCH] ci: fix docs on latest nightly (#6120)

---
 tokio/src/doc/mod.rs | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/tokio/src/doc/mod.rs b/tokio/src/doc/mod.rs
index 7992fc6bc6d..8f11de20780 100644
--- a/tokio/src/doc/mod.rs
+++ b/tokio/src/doc/mod.rs
@@ -20,4 +20,26 @@
 #[derive(Debug)]
 pub enum NotDefinedHere {}
 
+impl mio::event::Source for NotDefinedHere {
+    fn register(
+        &mut self,
+        registry: &mio::Registry,
+        token: mio::Token,
+        interests: mio::Interest,
+    ) -> std::io::Result<()> {
+        Ok(())
+    }
+    fn reregister(
+        &mut self,
+        registry: &mio::Registry,
+        token: mio::Token,
+        interests: mio::Interest,
+    ) -> std::io::Result<()> {
+        Ok(())
+    }
+    fn deregister(&mut self, registry: &mio::Registry) -> std::io::Result<()> {
+        Ok(())
+    }
+}
+
 pub mod os;