clippy 0.0.63

A bunch of helpful lints to avoid common pitfalls in Rust
language: rust
rust: nightly
sudo: false

env:
 global:
   # TRAVIS_TOKEN_CLIPPY_SERVICE
   secure: dj8SwwuRGuzbo2wZq5z7qXIf7P3p7cbSGs1I3pvXQmB6a58gkLiRn/qBcIIegdt/nzXs+Z0Nug+DdesYVeUPxk1hIa/eeU8p6mpyTtZ+30H4QVgVzd0VCthB5F/NUiPVxTgpGpEgCM9/p72xMwTn7AAJfsGqk7AJ4FS5ZZKhqFI=

script:
 - python util/update_lints.py -c
 - cargo build --features debugging
 - rm -rf target/ Cargo.lock
 - cargo test --features debugging

 # only test regex_macros if it compiles
 - if [[ "$(cargo build --features 'debugging test-regex_macros')" = 101 ]]; then cargo test --features 'debugging test-regex_macros'; fi

# trigger rebuild of the clippy-service, to keep it up to date with clippy itself
after_success:
- |
    #!/bin/bash
    set -e
    if [ "$TRAVIS_PULL_REQUEST" == "false" ] &&
       [ "$TRAVIS_REPO_SLUG" == "Manishearth/rust-clippy" ] &&
       [ "$TRAVIS_BRANCH" == "master" ] &&
       [ "$TRAVIS_TOKEN_CLIPPY_SERVICE" != "" ] ; then

       curl -s -X POST \
            -H "Content-Type: application/json" \
            -H "Accept: application/json" \
            -H "Travis-API-Version: 3" \
            -H "Authorization: token $TRAVIS_TOKEN_CLIPPY_SERVICE" \
            -d "{ \"request\": { \"branch\":\"master\" }}" \
            https://api.travis-ci.org/repo/ligthyear%2Fclippy-service/requests

    else
      echo "Ignored"
    fi