Update Rust crate tokio to v1.49.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
tokio (source)	dependencies	minor	1.47.1 → 1.49.0

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Release Notes

tokio-rs/tokio (tokio)

v1.49.0: Tokio v1.49.0

Compare Source

1.49.0 (January 3rd, 2026)

Added

• net: add support for TCLASS option on IPv6 (#​7781)
• runtime: stabilize runtime::id::Id (#​7125)
• task: implement Extend for JoinSet (#​7195)
• task: stabilize the LocalSet::id() (#​7776)

Changed

• net: deprecate {TcpStream,TcpSocket}::set_linger (#​7752)

Fixed

• macros: fix the hygiene issue of join! and try_join! (#​7766)
• runtime: revert "replace manual vtable definitions with Wake" (#​7699)
• sync: return TryRecvError::Disconnected from Receiver::try_recv after Receiver::close (#​7686)
• task: remove unnecessary trait bounds on the Debug implementation (#​7720)

Unstable

• fs: handle EINTR in fs::write for io-uring (#​7786)
• fs: support io-uring with tokio::fs::read (#​7696)
• runtime: disable io-uring on EPERM (#​7724)
• time: add alternative timer for better multicore scalability (#​7467)

Documented

• docs: fix a typos in bounded.rs and park.rs (#​7817)
• io: add SyncIoBridge cross-references to copy and copy_buf (#​7798)
• io: doc that AsyncWrite does not inherit from std::io::Write (#​7705)
• metrics: clarify that num_alive_tasks is not strongly consistent (#​7614)
• net: clarify the cancellation safety of the TcpStream::peek (#​7305)
• net: clarify the drop behavior of unix::OwnedWriteHalf (#​7742)
• net: clarify the platform-dependent backlog in TcpSocket docs (#​7738)
• runtime: mention LocalRuntime in new_current_thread docs (#​7820)
• sync: add missing period to mpsc::Sender::try_send docs (#​7721)
• sync: clarify the cancellation safety of oneshot::Receiver (#​7780)
• sync: improve the docs for the errors of mpsc (#​7722)
• task: add example for spawn_local usage on local runtime (#​7689)

v1.48.0: Tokio v1.48.0

Compare Source

1.48.0 (October 14th, 2025)

The MSRV is increased to 1.71.

Added

• fs: add File::max_buf_size (#​7594)
• io: export Chain of AsyncReadExt::chain (#​7599)
• net: add SocketAddr::as_abstract_name (#​7491)
• net: add TcpStream::quickack and TcpStream::set_quickack (#​7490)
• net: implement AsRef<Self> for TcpStream and UnixStream (#​7573)
• task: add LocalKey::try_get (#​7666)
• task: implement Ord for task::Id (#​7530)

Changed

• deps: bump windows-sys to version 0.61 (#​7645)
• fs: preserve max_buf_size when cloning a File (#​7593)
• macros: suppress clippy::unwrap_in_result in #[tokio::main] (#​7651)
• net: remove PollEvented noise from Debug formats (#​7675)
• process: upgrade Command::spawn_with to use FnOnce (#​7511)
• sync: remove inner mutex in SetOnce (#​7554)
• sync: use UnsafeCell::get_mut in Mutex::get_mut and RwLock::get_mut (#​7569)
• time: reduce the generated code size of Timeout<T>::poll (#​7535)

Fixed

• macros: fix hygiene issue in join! and try_join! (#​7638)
• net: fix copy/paste errors in udp peek methods (#​7604)
• process: fix error when runtime is shut down on nightly-2025-10-12 (#​7672)
• runtime: use release ordering in wake_by_ref() even if already woken (#​7622)
• sync: close the broadcast::Sender in broadcast::Sender::new() (#​7629)
• sync: fix implementation of unused RwLock::try_* methods (#​7587)

Unstable

• tokio: use cargo features instead of --cfg flags for taskdump and io_uring (#​7655, #​7621)
• fs: support io_uring in fs::write (#​7567)
• fs: support io_uring with File::open() (#​7617)
• fs: support io_uring with OpenOptions (#​7321)
• macros: add local runtime flavor (#​7375, #​7597)

Documented

• io: clarify the zero capacity case of AsyncRead::poll_read (#​7580)
• io: fix typos in the docs of AsyncFd readiness guards (#​7583)
• net: clarify socket gets closed on drop (#​7526)
• net: clarify the behavior of UCred::pid() on Cygwin (#​7611)
• net: clarify the supported platform of set_reuseport() and reuseport() (#​7628)
• net: qualify that SO_REUSEADDR is only set on Unix (#​7533)
• runtime: add guide for choosing between runtime types (#​7635)
• runtime: clarify the behavior of Handle::block_on (#​7665)
• runtime: clarify the edge case of Builder::global_queue_interval() (#​7605)
• sync: clarify bounded channel panic behavior (#​7641)
• sync: clarify the behavior of tokio::sync::watch::Receiver (#​7584)
• sync: document cancel safety on SetOnce::wait (#​7506)
• sync: fix the docs of parking_lot feature flag (#​7663)
• sync: improve the docs of UnboundedSender::send (#​7661)
• sync: improve the docs of sync::watch (#​7601)
• sync: reword allocation failure paragraph in broadcast docs (#​7595)
• task: clarify the behavior of several spawn_local methods (#​7669)
• task: clarify the task ID reuse guarantees (#​7577)
• task: improve the example of poll_proceed (#​7586)

v1.47.3

Compare Source

v1.47.2

Compare Source

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 76.09%. Comparing base (f42c3df) to head (0e41897).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #222   +/-   ##
=======================================
  Coverage   76.09%   76.09%           
=======================================
  Files          13       13           
  Lines        1945     1945           
=======================================
  Hits         1480     1480           
  Misses        465      465           

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