Remove unnecessary travis jobs (#664)

* Removed all the unnecessary CI jobs

* Updated dependencies

* Removed a deprecation warning

.travis.yml

@@ -1,87 +1,46 @@
-# Based on the "trust" template v0.1.1
-# https://github.com/japaric/trust/tree/v0.1.1
-
-dist: trusty
 language: rust
-services: docker
-sudo: required
 
-cache: cargo
+cache: 
+  - cargo
+
 before_cache:
-- chmod -R a+r $HOME/.cargo
+  - chmod -R a+r $HOME/.cargo
 
 env:
   global:
-  - CRATE_NAME=mdbook
-  - secure: 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
-
-matrix:
-  include:
-  # Android
-  - env: TARGET=arm-linux-androideabi DISABLE_TESTS=1
-
-  # Linux
-  - env: TARGET=aarch64-unknown-linux-gnu
-  - env: TARGET=arm-unknown-linux-gnueabi
-  - env: TARGET=i686-unknown-linux-gnu
-  - env: TARGET=x86_64-unknown-linux-gnu
-  - env: TARGET=x86_64-unknown-linux-musl
-
-  # Mac
-  - env: TARGET=i686-apple-darwin
-    os: osx
-  - env: TARGET=x86_64-apple-darwin
-    os: osx
-
-  # BSD
-  - env: TARGET=i686-unknown-freebsd DISABLE_TESTS=1
-  - env: TARGET=x86_64-unknown-freebsd DISABLE_TESTS=1
-  - env: TARGET=x86_64-unknown-netbsd DISABLE_TESTS=1
-
-  # Other channels
-  - env: TARGET=x86_64-unknown-linux-gnu
-    rust: beta
-  - env: TARGET=x86_64-apple-darwin
-    os: osx
-    rust: beta
-  - env: TARGET=x86_64-unknown-linux-gnu
-    rust: nightly
-  - env: TARGET=x86_64-apple-darwin
-    os: osx
-    rust: nightly
-
-before_install:
-- set -e
-- rustup self update
+    - CRATE_NAME=mdbook
+    - TARGET=x86_64-unknown-linux-gnu
 
 install:
-- sh ci/install.sh
-- source ~/.cargo/env || true
+  - sh ci/install.sh
+  - export PATH=$PATH:$HOME/.cargo/bin
 
 script:
-- bash ci/script.sh
+  - cargo build --all --no-default-features
+  - cargo build --verbose
+  - cargo test --verbose
 
 after_success:
-- bash ci/github_pages.sh
+  - bash ci/github_pages.sh
 
 before_deploy:
-- sh ci/before_deploy.sh
+  - sh ci/before_deploy.sh
 
 deploy:
+  provider: releases
   api_key:
-  - secure: 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
+    - secure: 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
   file_glob: true
   file: "$CRATE_NAME-$TRAVIS_TAG-$TARGET.*"
   on:
     condition: "$TRAVIS_RUST_VERSION = stable"
     tags: true
-  provider: releases
   skip_cleanup: true
 
 branches:
   only:
-  - "/^v\\d+\\.\\d+\\.\\d+.*$/"
-  - master
+    - "/^v\\d+\\.\\d+\\.\\d+.*$/"
+    - master
 
 notifications:
   email: