doc: fix mis-named binding & remove not needed mut

[tshepang]

No description provided.

[rust-highfive]

r? @alexcrichton

(rust_highfive has picked a reviewer for you, use r? to override)

[steveklabnik]

@bors: r+ rollup

[bors]

📌 Commit 1253e82 has been approved by steveklabnik

[bors]

⌛ Testing commit 1253e82 with merge 38509fe...

[bors]

💔 Test failed - auto-win-msvc-64-cargotest

[alexcrichton]

@bors: retry

On Friday, June 17, 2016, bors [email protected] wrote:

💔 Test failed - auto-win-msvc-64-cargotest
http://buildbot.rust-lang.org/builders/auto-win-msvc-64-cargotest/builds/837

—
You are receiving this because you were mentioned.
Reply to this email directly, view it on GitHub
#34314 (comment), or mute
the thread
https://github.com/notifications/unsubscribe/AAD95Gt2zldIaq-WcRGkfsCAyPmF3Rhfks5qMyCegaJpZM4I30vT
.

[bors]

⌛ Testing commit 1253e82 with merge 8545424...

[bors]

☀️ Test successful - auto-linux-32-nopt-t, auto-linux-32-opt, auto-linux-32cross-opt, auto-linux-64-cargotest, auto-linux-64-cross-armhf, auto-linux-64-cross-armsf, auto-linux-64-cross-freebsd, auto-linux-64-cross-netbsd, auto-linux-64-debug-opt, auto-linux-64-nopt-t, auto-linux-64-opt, auto-linux-64-opt-mir, auto-linux-64-opt-rustbuild, auto-linux-64-x-android-t, auto-linux-cross-opt, auto-linux-musl-64-opt, auto-mac-32-opt, auto-mac-64-nopt-t, auto-mac-64-opt, auto-mac-64-opt-rustbuild, auto-mac-cross-ios-opt, auto-win-gnu-32-nopt-t, auto-win-gnu-32-opt, auto-win-gnu-32-opt-rustbuild, auto-win-gnu-64-nopt-t, auto-win-gnu-64-opt, auto-win-msvc-32-cross-opt, auto-win-msvc-32-opt, auto-win-msvc-64-cargotest, auto-win-msvc-64-opt, auto-win-msvc-64-opt-mir, auto-win-msvc-64-opt-rustbuild