enable coveralls

.travis.yml

@@ -1,9 +1,40 @@
 language: rust
 
+addons:
+  apt:
+    packages:
+      - libcurl4-openssl-dev
+      - libelf-dev
+      - libdw-dev
+
+rust:
+  - nightly
+  - beta
+  - stable
+
+before_script:
+  - pip install 'travis-cargo<0.2' --user && export PATH=$HOME/.local/bin:$PATH
+
+script:
+  - |
+      travis-cargo build &&
+      travis-cargo test &&
+      travis-cargo bench
+      travis-cargo --only stable doc
+
+after_success:
+  - travis-cargo coveralls --no-sudo
+
 notifications:
   webhooks:
     urls:
       - https://webhooks.gitter.im/e/9c035a194ac4fd4cc061
     on_success: change
     on_failure: always
     on_start: false
+
+
+env:
+  global:
+    # override the default `--features unstable` used for the nightly branch (optional)
+    - TRAVIS_CARGO_NIGHTLY_FEATURE=nightly

Cargo.toml

@@ -12,3 +12,4 @@ keywords = ["parser", "parser-combinators", "parsing", "streaming"]
 
 [features]
 core = []
+nightly = []