Auto merge of #26847 - servo:dependabot/cargo/tokio-sync-0.1.8, r=jdm

build(deps): bump tokio-sync from 0.1.6 to 0.1.8

Bumps [tokio-sync](https://github.com/tokio-rs/tokio) from 0.1.6 to 0.1.8.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/tokio-rs/tokio/blob/tokio-0.1.8/CHANGELOG.md">tokio-sync's changelog</a>.</em></p>
<blockquote>
<h1>0.1.8 (August 23, 2018)</h1>
<ul>
<li>Extract tokio::executor::current_thread to a sub crate (<a href="https://github-redirect.dependabot.com/tokio-rs/tokio/issues/370">#370</a>)</li>
<li>Add <code>Runtime::block_on</code> (<a href="https://github-redirect.dependabot.com/tokio-rs/tokio/issues/398">#398</a>)</li>
<li>Add <code>runtime::current_thread::block_on_all</code> (<a href="https://github-redirect.dependabot.com/tokio-rs/tokio/issues/477">#477</a>)</li>
<li>Misc documentation improvements (<a href="https://github-redirect.dependabot.com/tokio-rs/tokio/issues/450">#450</a>)</li>
<li>Implement <code>std::error::Error</code> for error types (<a href="https://github-redirect.dependabot.com/tokio-rs/tokio/issues/501">#501</a>)</li>
</ul>
<h1>0.1.7 (June 6, 2018)</h1>
<ul>
<li>Add <code>Runtime::block_on</code> for concurrent runtime (<a href="https://github-redirect.dependabot.com/tokio-rs/tokio/issues/391">#391</a>).</li>
<li>Provide handle to <code>current_thread::Runtime</code> that allows spawning tasks from
other threads (<a href="https://github-redirect.dependabot.com/tokio-rs/tokio/issues/340">#340</a>).</li>
<li>Provide <code>clock::now()</code>, a configurable source of time (<a href="https://github-redirect.dependabot.com/tokio-rs/tokio/issues/381">#381</a>).</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="07203408de"><code>0720340</code></a> Bump version to v0.1.8 (<a href="https://github-redirect.dependabot.com/tokio-rs/tokio/issues/566">#566</a>)</li>
<li><a href="8bf2e9aeb0"><code>8bf2e9a</code></a> Introduce <code>Timeout</code> and deprecate <code>Deadline</code>. (<a href="https://github-redirect.dependabot.com/tokio-rs/tokio/issues/558">#558</a>)</li>
<li><a href="cf184eb326"><code>cf184eb</code></a> timer: Reduce size of <code>Delay</code> struct (<a href="https://github-redirect.dependabot.com/tokio-rs/tokio/issues/554">#554</a>)</li>
<li><a href="d822b721b4"><code>d822b72</code></a> Add DelayQueue implementation to tokio-timer (<a href="https://github-redirect.dependabot.com/tokio-rs/tokio/issues/550">#550</a>)</li>
<li><a href="c66b56c3fb"><code>c66b56c</code></a> Implement <code>Default</code> for <code>tokio_timer::Handle</code> (<a href="https://github-redirect.dependabot.com/tokio-rs/tokio/issues/553">#553</a>)</li>
<li><a href="89639ec48b"><code>89639ec</code></a> Bump tokio-uds version to v0.2.1 (<a href="https://github-redirect.dependabot.com/tokio-rs/tokio/issues/552">#552</a>)</li>
<li><a href="2b1b0ac858"><code>2b1b0ac</code></a> Expose tokio_uds from the root crate (<a href="https://github-redirect.dependabot.com/tokio-rs/tokio/issues/526">#526</a>)</li>
<li><a href="6b84c73f12"><code>6b84c73</code></a> tokio::codec docs + additional exports (<a href="https://github-redirect.dependabot.com/tokio-rs/tokio/issues/546">#546</a>)</li>
<li><a href="767b370c21"><code>767b370</code></a> Add tokio-tls echo example. (<a href="https://github-redirect.dependabot.com/tokio-rs/tokio/issues/541">#541</a>)</li>
<li><a href="28010b5962"><code>28010b5</code></a> Update <code>lines_encoder</code> test to use LinesCodec (<a href="https://github-redirect.dependabot.com/tokio-rs/tokio/issues/544">#544</a>)</li>
<li>Additional commits viewable in <a href="https://github.com/tokio-rs/tokio/compare/tokio-sync-0.1.6...tokio-0.1.8">compare view</a></li>
</ul>
</details>
<br />

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Cargo.lock

@@ -5882,9 +5882,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-sync"
-version = "0.1.6"
+version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2162248ff317e2bc713b261f242b69dbb838b85248ed20bb21df56d60ea4cae7"
+checksum = "edfe50152bc8164fcc456dab7891fa9bf8beaf01c5ee7e1dd43a397c3cf87dee"
 dependencies = [
  "fnv",
  "futures",