Update .travis.yml

.travis.yml

@@ -3,9 +3,21 @@ rust:
   - stable
   - beta
   - nightly
-after_success: |
-  sudo apt-get install libcurl4-openssl-dev libelf-dev libdw-dev &&
-  wget https://github.com/SimonKagstrom/kcov/archive/master.tar.gz &&
-  tar xzf master.tar.gz && mkdir kcov-master/build && cd kcov-master/build && cmake .. && make &&
-  sudo make install && cd ../.. &&
-  kcov --coveralls-id=$TRAVIS_JOB_ID --exclude-pattern=/.cargo target/kcov target/debug/difflib-*
+before_script:
+  # load travis-cargo
+  - pip install 'travis-cargo<0.2' --user
+  - export PATH=$HOME/.local/bin/:$PATH
+# the main build
+script:
+  - travis-cargo build
+  - travis-cargo test
+  - travis-cargo bench
+  - travis-cargo --only stable doc
+after_success:
+  # upload the documentation from the build with stable (automatically only
+  # actually runs from the master branch, not individual PRs)
+  - travis-cargo --only stable doc-upload
+  # measure code coverage and upload to coveralls.io (the verify argument
+  # mitigates kcov crashes due to malformed debuginfo, at the cost of some
+  # speed. <https://github.com/huonw/travis-cargo/issues/12>)
+  - travis-cargo coveralls --no-sudo --verify