Bump tokio-util from 0.3.1 to 0.6.0

[dependabot]

Bumps tokio-util from 0.3.1 to 0.6.0.

Release notes

Sourced from tokio-util's releases.

Tokio v0.3.6

Released December 14, 2020

Fixed

• rt: fix deadlock in shutdown (#3228)
• rt: fix panic in task abort when off rt (#3159)
• sync: make add_permits panic with usize::MAX >> 3 permits (#3188)
• time: Fix race condition in timer drop (#3229)
• watch: fix spurious wakeup (#3244)

Added

• example: add back udp-codec example (#3205)
• net: add TcpStream::into_std (#3189)

Tokio v0.3.5

Fixed

• rt: fix shutdown_timeout(0) (#3196).
• time: fixed race condition with small sleeps (#3069).

Added

• io: AsyncFd::with_interest() (#3167).
• signal: CtrlC stream on windows (#3186).

Tokio v0.3.4

Fixed

• stream: StreamMap Default impl bound (#3093).
• io: AsyncFd::into_inner() should deregister the FD (#3104).

Changed

• meta: parking_lot feature enabled with full (#3119).

Added

• io: AsyncWrite vectored writes (#3149).
• net: TCP/UDP readiness and non-blocking ops (#3130, #2743, #3138).
• net: TCP socket option (linger, send/recv buf size) (#3145, #3143).
• net: PID field in UCred with solaris/illumos (#3085).
• rt: runtime::Handle allows spawning onto a runtime (#3079).
• sync: Notify::notify_waiters() (#3098).
• sync: acquire_many(), try_acquire_many() to Semaphore (#3067).

Tokio v0.3.3

Fixes a soundness hole by adding a missing Send bound to Runtime::spawn_blocking().

Fixed

• rt: include missing Send, fixing soundness hole (#3089).
• tracing: avoid huge trace span names (#3074).

Added

• net: TcpSocket::reuseport(), TcpSocket::set_reuseport() (#3083).
• net: TcpSocket::reuseaddr() (#3093).

... (truncated)

Commits

• a66017f chore: prepare Tokio 1.0 release (#3319)
• aa6597b compat: update traits naming to match tokio 1.0 (#3324)
• ce0e9c6 chore: Revert "use #[non_exhaustive] instead of private unit field" (#3323)
• 575938d chore: use #[non_exhaustive] instead of private unit field (#3320)
• 0deaeb8 chore: remove unused slab dependency (#3318)
• a8dda19 chore: update to released bytes 1.0 (#3317)
• be9fdb6 time: make Interval::poll_tick() public (#3316)
• 2ee9520 fs: misc small API tweaks (#3315)
• 7d28e4c examples: add futures executor threadpool (#3198)
• 0b83b3b fs,sync: expose poll_ fns on misc types (#3308)
• Additional commits viewable in compare view

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[dependabot]

The following labels could not be found: cargo, dependencies.

[dependabot]

Superseded by #20.