chore: backport CI fixes

tokio/Cargo.toml

@@ -171,6 +171,8 @@ features = ["full", "test-util"]
 allowed_external_types = [
    "bytes::buf::buf_impl::Buf",
    "bytes::buf::buf_mut::BufMut",
-
    "tokio_macros::*",
 ]
+
+[lints]
+workspace = true

tokio/src/runtime/tests/queue.rs

@@ -1,5 +1,4 @@
 use crate::runtime::scheduler::multi_thread::{queue, Stats};
-use crate::runtime::task::{self, Schedule, Task};
 
 use std::cell::RefCell;
 use std::thread;
@@ -272,15 +271,3 @@ fn stress2() {
         assert_eq!(num_pop, NUM_TASKS);
     }
 }
-
-struct Runtime;
-
-impl Schedule for Runtime {
-    fn release(&self, _task: &Task<Self>) -> Option<Task<Self>> {
-        None
-    }
-
-    fn schedule(&self, _task: task::Notified<Self>) {
-        unreachable!();
-    }
-}