message: Added cargo-fmt to CI runs
  * Added cargo-fmt to CI runs
  Closes
  * Remove fmt from appveyor builds
  Windows seems to have issues with install components through rustup.
  Formatting should be equally informative regardless of the OS,
  so best to keep it in Linux on Travis
diff: @@ -47,6 +47,7 @@ matrix:
  before_install:
  - set -e
  - rustup self update
  + - rustup component add rustfmt
  install:
  - sh ci/install.sh
  @@ -60,6 +61,7 @@ before_script:
  script:
  - bash ci/script.sh
  + - cargo fmt --all -- --check
  before_deploy:
  - sh ci/before_deploy.sh
  