improve rust cfg

Author: Empty2k12

.travis.yml

@@ -11,29 +11,60 @@ branches:
     only:
         - master
 
-env:
-    - RUSTFLAGS='-C link-dead-code' TEST_DIR=.
+cache:
+    directories:
+        - /home/travis/.cargo
+
+before_cache:
+    - rm -rf /home/travis/.cargo/registry
 
+env:
+os:
+    - linux
+    - osx
 rust:
     - stable
+    - beta
     - nightly
 
 matrix:
+    fast_finish: true
     allow_failures:
-        - rust: nightly
-
-script:
-    - cd $TEST_DIR && cargo build && cargo test
-
-addons:
-    apt:
-        packages:
-            - libcurl4-openssl-dev
-            - libelf-dev
-            - libdw-dev
-
-after_success: |
-    wget https://github.com/SimonKagstrom/kcov/archive/master.tar.gz &&
-    tar xzf master.tar.gz && mkdir kcov-master/build && cd kcov-master/build && cmake .. && make &&
-    sudo make install && cd ../.. &&
-    kcov --coveralls-id=$TRAVIS_JOB_ID --exclude-pattern=/.cargo target/kcov target/debug/influxdb-*
+    include:
+        - rust: stable
+          env: NAME='linting'
+          before_script:
+              - rustup component add rustfmt-preview
+              - rustup component add clippy-preview
+          script:
+              - cargo fmt --all -- --check
+              - cargo clippy
+
+        - env: NAME='cargo-travis'
+          sudo: required
+          before_script:
+              - cargo install cargo-update || echo "cargo-update already installed"
+              - cargo install cargo-travis || echo "cargo-travis already installed"
+              - cargo install-update -a
+          script:
+              - |
+                  cargo build --verbose &&
+                  cargo coverage --verbose &&
+                  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/influxdb-*
+          addons:
+              apt:
+                  packages:
+                      - libcurl4-openssl-dev
+                      - libelf-dev
+                      - libdw-dev
+                      - binutils-dev
+                      - cmake
+
+script: |
+    export RUST_BACKTRACE=1 &&
+    cargo build --verbose &&
+    cargo test --verbose &&
+    cargo doc --no-deps --verbose