Update Rust crate tokio to 1.39.2

[oxide-renovate]

This PR contains the following updates:

Package	Type	Update	Change
tokio (source)	workspace.dependencies	minor	1.38.1 -> 1.39.2

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Release Notes

tokio-rs/tokio (tokio)

v1.39.2: Tokio v1.39.2

Compare Source

1.39.2 (July 27th, 2024)

This release fixes a regression where the select! macro stopped accepting expressions that make use of temporary lifetime extension. (#​6722)

v1.39.1: Tokio v1.39.1

Compare Source

1.39.1 (July 23rd, 2024)

This release reverts "time: avoid traversing entries in the time wheel twice" because it contains a bug. (#​6715)

v1.39.0: Tokio v1.39.0

Compare Source

1.39.0 (July 23rd, 2024)

• This release bumps the MSRV to 1.70. (#​6645)
• This release upgrades to mio v1. (#​6635)
• This release upgrades to windows-sys v0.52 (#​6154)

Added

• io: implement AsyncSeek for Empty (#​6663)
• metrics: stabilize num_alive_tasks (#​6619, #​6667)
• process: add Command::as_std_mut (#​6608)
• sync: add watch::Sender::same_channel (#​6637)
• sync: add {Receiver,UnboundedReceiver}::{sender_strong_count,sender_weak_count} (#​6661)
• sync: implement Default for watch::Sender (#​6626)
• task: implement Clone for AbortHandle (#​6621)
• task: stabilize consume_budget (#​6622)

Changed

• io: improve panic message of ReadBuf::put_slice() (#​6629)
• io: read during write in copy_bidirectional and copy (#​6532)
• runtime: replace num_cpus with available_parallelism (#​6709)
• task: avoid stack overflow when passing large future to block_on (#​6692)
• time: avoid traversing entries in the time wheel twice (#​6584)
• time: support IntoFuture with timeout (#​6666)
• macros: support IntoFuture with join! and select! (#​6710)

Fixed

• docs: fix docsrs builds with the fs feature enabled (#​6585)
• io: only use short-read optimization on known-to-be-compatible platforms (#​6668)
• time: fix overflow panic when using large durations with Interval (#​6612)

Added (unstable)

• macros: allow unhandled_panic behavior for #[tokio::main] and #[tokio::test] (#​6593)
• metrics: add spawned_tasks_count (#​6114)
• metrics: add worker_park_unpark_count (#​6696)
• metrics: add worker thread id (#​6695)

Documented

• io: update tokio::io::stdout documentation (#​6674)
• macros: typo fix in join.rs and try_join.rs (#​6641)
• runtime: fix typo in unhandled_panic (#​6660)
• task: document behavior of JoinSet::try_join_next when all tasks are running (#​6671)

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[jclulow]

I feel this one is 100% likely to fail, due to tokio 1.39+ issues on illumos.

[sunshowers]

Tracked in:

• tokio 1.39/mio 1.0 appears to be dropping waker notifications on illumos helios#169
• [illumos] switch waker impl back to being pipe-based tokio-rs/mio#1824

[sunshowers]

A workaround for the illumos eventfd issue (tokio-rs/mio#1826) was landed by upstream and released as part of mio 1.0.2. We don't have as much confidence in eventfd as we do in the self-pipe-based impl, but we can't stay on an old Tokio version forever.

However, I'm having second thoughts about getting this in so close to release 10. There's a case to be made for going back to 1.38 for now, and landing this update early in the r11 cycle. Putting up this draft PR for that: #6356