Bump tokio from 1.3.0 to 1.5.0

[dependabot[bot]]

Bumps tokio from 1.3.0 to 1.5.0.

Release notes

Sourced from tokio's releases.

Tokio v1.5.0

1.5.0 (April 12, 2021)

Added

• io: add AsyncSeekExt::stream_position (#3650)
• io: add AsyncWriteExt::write_vectored (#3678)
• io: add a copy_bidirectional utility (#3572)
• net: implement IntoRawFd for TcpSocket (#3684)
• sync: add OnceCell (#3591)
• sync: add OwnedRwLockReadGuard and OwnedRwLockWriteGuard (#3340)
• sync: add Semaphore::is_closed (#3673)
• sync: add mpsc::Sender::capacity (#3690)
• sync: allow configuring RwLock max reads (#3644)
• task: add sync_scope for LocalKey (#3612)

Fixed

• chore: try to avoid noalias attributes on intrusive linked list (#3654)
• rt: fix panic in JoinHandle::abort() when called from other threads (#3672)
• sync: don't panic in oneshot::try_recv (#3674)
• sync: fix notifications getting dropped on receiver drop (#3652)

Documented

• io: clarify requirements of AsyncFd (#3635)
• runtime: fix unclear docs for {Handle,Runtime}::block_on (#3628)
• sync: document that Semaphore is fair (#3693)
• sync: improve doc on blocking mutex (#3645)

Tokio v1.4.0

Added

• macros: introduce biased argument for select! (#3603)
• runtime: add Handle::block_on (#3569)

Fixed

• runtime: avoid unnecessary polling of block_on future (#3582)
• runtime: fix memory leak/growth when creating many runtimes (#3564)
• runtime: mark EnterGuard with must_use (#3609)

Documented

• chore: mention fix for building docs in contributing guide (#3618)
• doc: add link to PollSender (#3613)
• doc: alias sleep to delay (#3604)
• sync: improve Mutex FIFO explanation (#3615)
• timer: fix double newline in module docs (#3617)

... (truncated)

Commits

• a5ee2f0 chore: prepare Tokio v1.5.0 (#3695)
• 917aad6 chore: prepare tokio-util 0.6.6 (#3696)
• e366cf9 chore: upgrade loom to 0.5.0 (#3697)
• 3a02d34 sync: document that Semaphore is fair (#3693)
• adad8fc io: add a copy_bidirectional utility (#3572)
• 08f1b67 sync: add mpsc::Sender::capacity (#3690)
• 28d6879 macros: forward input arguments in #[tokio::test] (#3691)
• 1a72b28 rt: fix panic in JoinHandle::abort() when called from other thread (#3672)
• 1d56552 runtime: use Park::Error: Debug for better panic messages (#3641)
• 5513b6b time: change 300ms to 1s in documentation (#3685)
• Additional commits viewable in compare view

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[dependabot[bot]]

Superseded by #32.