chore: Refactored travis config

.travis.yml

@@ -1,42 +1,37 @@
-sudo: true
+os: linux
 language: rust
-cache:
-  directories:
-    - $HOME/.cargo
-    - $HOME/.rustup
-before_cache:
-  - rm -rf /home/travis/.cargo/registry
-rust:
-  - nightly
-  - nightly-2019-06-18
-  - beta
-  - stable
-  - 1.36.0
-matrix:
+cache: cargo
+rust: stable
+env:
+  global:
+    - SHARD=test
+jobs:
   allow_failures:
     - rust: nightly
+    - env:
+        - SHARD=lint
+  fast_finish: true
   include:
-      - rust: nightly-2019-06-18
+    - os: osx
+    - rust: 1.33
+    - rust: beta
+    - rust: nightly
+    - env:
+        - SHARD=lint
       before_script:
         - rustup component add clippy
-        script: cargo clippy
-before_script:
-  - |
-    pip install git+git://github.com/kbknapp/travis-cargo.git --user &&
-    export PATH=$HOME/.local/bin:$PATH
-  - |
-    if [[ "$TRAVIS_RUST_VERSION" == "1.13.0" ]]; then
-        echo "Old Rust detected, removing version-sync dependency"
-        sed -i "/^version-sync =/d" Cargo.toml
-        rm "tests/version-numbers.rs"
-    fi
+        - rustup component add rustfmt
+      script:
+        - echo "Checking codebase with Clippy release `cargo clippy --version`."
+        - cargo clippy --all --all-targets --all-features -- -D warnings
+        - cargo fmt -- --check
+    - env:
+        - SHARD=bench
+      script:
+        - cargo bench
 script:
-  - |
-    travis-cargo --skip nightly test -- --all --verbose --no-default-features &&
-    travis-cargo --only nightly test -- --verbose --no-default-features &&
-    travis-cargo --skip nightly test -- --verbose --features "yaml unstable" &&
-    travis-cargo --only nightly test -- --verbose --features "yaml unstable nightly" &&
-    travis-cargo --only nightly bench
+  - cargo test --all --no-default-features
+  - cargo test --all --features "yaml unstable"
 addons:
   apt:
     packages:
@@ -46,6 +41,7 @@ addons:
       - cmake
       - gcc
       - binutils-dev
+    update: true
 after_success:
   - |
     wget https://github.com/SimonKagstrom/kcov/archive/master.tar.gz &&