quick-error 1.2.2

A macro which makes error types pleasant to write.
Documentation
sudo: false
dist: trusty
language: rust

cache:
- cargo

before_cache:
- rm -r $TRAVIS_BUILD_DIR/target/debug

jobs:
  include:
  - os: linux
    rust: stable
  - os: linux
    rust: beta
  - os: linux
    rust: nightly

  # deploy
  - stage: publish
    os: linux
    rust: stable
    env:
    # CARGO_TOKEN
    - secure: "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"
    install: true
    script: true

    deploy:
    - provider: script
      script: 'cargo publish --verbose --token=$CARGO_TOKEN'
      on:
        tags: true