Bump tokio from 0.2.13 to 0.2.16

[dependabot-preview[bot]]

Bumps tokio from 0.2.13 to 0.2.16.

Release notes

Sourced from tokio's releases.

Tokio 0.2.16

This release fixes a regression in tokio::sync and a bug in tokio::fs::copy. It also adds a new APIs to tokio::time and tokio::io.

Fixes

• sync: fix a regression where Mutex, Semaphore, and RwLock futures no longer implement Sync (#2375)
• fs: fix fs::copy not copying file permissions (#2354)

Added

• time: added deadline method to delay_queue::Expired (#2300)
• io: added StreamReader (#2052)

Tokio v0.2.15

Fixes a queue regression and adds a new disarm fn to mpsc::Sender.

Fixes

• rt: fix queue regression (#2362).

Added

• sync: Add disarm to mpsc::Sender (#2358).

Tokio v0.2.14

This release introduces automatic cooperative task yielding. This article describes the new functionality in more detail.

Fixes

• rt: concurrency bug in scheduler (#2273).
• rt: concurrency bug with shell runtime (#2333).
• test-util: correct pause/resume of time (#2253).
• time: DelayQueue correct wakeup after insert (#2285).

Added

• io: impl RawFd, AsRawHandle for std io types (#2335).
• rt: automatic cooperative task yielding (#2160, #2343, #2349).
• sync: RwLock::into_inner (#2321).

Changed

• sync: semaphore, mutex internals rewritten to avoid allocations (#2325).

Commits

• d883ac0 chore: prepare tokio 0.2.16 release
• 1121a8e sync: ensure Mutex, RwLock, and Semaphore futures are Send + Sync (#2375)
• 6fa40b6 doc: Fix readme link (#2370)
• e10471d io: Add StreamReader (#2052)
• 0245515 examples: add comment about dependency gotcha (#2355)
• 03cb3b6 Expose time::deplay_queue::Expired::deadline (#2300)
• 3eaa188 fs: Copy file permissions (#2354)
• cf4cbc1 test: Added read_error() and write_error() (#2337)
• 215d7d4 util: documentation example for LengthDelimitedCodec (#2339)
• 2a8d917 chore: Prepare 0.2.15 release (#2365)
• Additional commits viewable in compare view

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[dependabot-preview[bot]]

Superseded by #84.