ci failure in drop_threadpool_drops_futures

[Darksonn]

--- STDOUT:              tokio::rt_threaded_alt drop_threadpool_drops_futures ---

running 1 test
test drop_threadpool_drops_futures ... FAILED

failures:

failures:
    drop_threadpool_drops_futures

test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 19 filtered out; finished in 2.91s


--- STDERR:              tokio::rt_threaded_alt drop_threadpool_drops_futures ---
thread 'drop_threadpool_drops_futures' panicked at 'assertion failed: `(left == right)`
  left: `0`,
 right: `1`', tokio/tests/rt_threaded_alt.rs:286:9
stack backtrace:
   0: rust_begin_unwind
             at /rustc/eb26296b556cef10fb713a38f3d16b9886080f26/library/std/src/panicking.rs:593:5
   1: core::panicking::panic_fmt
             at /rustc/eb26296b556cef10fb713a38f3d16b9886080f26/library/core/src/panicking.rs:67:14
   2: core::panicking::assert_failed_inner
   3: core::panicking::assert_failed
             at /rustc/eb26296b556cef10fb713a38f3d16b9886080f26/library/core/src/panicking.rs:228:5
   4: rt_threaded_alt::drop_threadpool_drops_futures
             at ./tests/rt_threaded_alt.rs:286:9
   5: rt_threaded_alt::drop_threadpool_drops_futures::{{closure}}
             at ./tests/rt_threaded_alt.rs:235:36
   6: core::ops::function::FnOnce::call_once
             at /rustc/eb26296b556cef10fb713a38f3d16b9886080f26/library/core/src/ops/function.rs:250:5
   7: core::ops::function::FnOnce::call_once
             at /rustc/eb26296b556cef10fb713a38f3d16b9886080f26/library/core/src/ops/function.rs:250:5
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.