Switch to Cargo for Travis tests

.travis.yml

@@ -3,13 +3,12 @@ env:
     - secure: qLvBJoJOJcPPZ+e31175O6sMUGBHgHe/kBuI0FCPeifYmpFyeRAkEvGddEkf8t3rojV+wE14CNYzzGsT/W/+JY7xW0C1FQKW3r+8SZ1Cave/8ahee0aCQVXGf0XY8c52uG6MrLGiUlNZbOsyFSdFUc/Io+kYZas4DxrinRSOIEA=
     - LD_LIBRARY_PATH: /usr/local/lib
 install:
-  - curl -O http://static.rust-lang.org/dist/rust-nightly-x86_64-unknown-linux-gnu.tar.gz
-  - tar xfz rust-nightly-x86_64-unknown-linux-gnu.tar.gz
-  - (cd rust-nightly-x86_64-unknown-linux-gnu/ && sudo ./install.sh)
+  - curl http://www.rust-lang.org/rustup.sh | sudo sh -
 before_script:
   - openssl s_server -accept 15418 -www -cert test/cert.pem -key test/key.pem >/dev/null &
-  - ./configure
 script:
-  - make all check doc
+  - cargo build
+  - cargo test
+  - rustdoc lib.rs
 after_script:
   - curl http://www.rust-ci.org/artifacts/put?t=$RUSTCI_TOKEN | sh