Auto merge of #46 - mbrubeck:travis, r=mbrubeck

Temporarily disable `cargo bench` because of #44.

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Author: bors-servo

.travis.yml

@@ -7,7 +7,6 @@ script: |
   cargo build --verbose &&
   cargo build --features=heapsizeof --verbose &&
   cargo test --verbose &&
-  cargo test --features=heapsizeof --verbose &&
-  ([ $TRAVIS_RUST_VERSION != nightly ] || cargo bench --verbose bench)
+  cargo test --features=heapsizeof --verbose
 notifications:
   webhooks: http://build.servo.org:54856/travis