Work around a cargo limitation on nightly

rust-lang/cargo#7507

Author: nox

.travis.yml

@@ -1,10 +1,9 @@
 branches:
   except:
-      - servo
-
+    - servo
 language: rust
 rust:
-    - nightly
-    - beta
-    - stable
+  - nightly
+  - beta
+  - stable
 script: scripts/travis-build.sh

scripts/travis-build.sh

@@ -13,8 +13,8 @@ set -ex
 if [ $TRAVIS_RUST_VERSION = nightly ]
 then
     cargo bench --all
-    cargo test -p html5ever --features "rustc-test/capture"
-    cargo test -p xml5ever --features "rustc-test/capture"
+    (cd html5ever && cargo test --features "rustc-test/capture")
+    (cd xml5ever && cargo test --features "rustc-test/capture")
 else
     cargo bench --all
     cargo test --all