Auto merge of #83 - servo:travis, r=emilio

Use cargo's extra-verbose logging on travis.

This cargo feature is currently only available in nightly.

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.travis.yml

@@ -1,6 +1,8 @@
 language: rust
-channel: nightly
+rust:
+  - nightly
 sudo: 9000
+dist: trusty
 
 addons:
   apt:
@@ -14,7 +16,7 @@ env:
 - CC="gcc-4.8" CPP="gcc-4.8 -E" CXX="g++-4.8"
 
 script:
-  - travis_wait cargo build --verbose
+  - cargo build --verbose --verbose
 
 notifications:
   webhooks: http://build.servo.org:54856/travis