error-chain 0.11.0

Yet another error boilerplate library.
Documentation
language: rust
rust:
- stable
- beta
- nightly
# Oldest supported version for all features.
# Use of https://github.com/rust-lang/rfcs/pull/16
- 1.14.0
# Oldest supported version as dependency, with no features, tests, or examples.
- 1.10.0

sudo: false
cache: cargo
addons:
  apt:
    packages:
    - libcurl4-openssl-dev
    - libelf-dev
    - libdw-dev

before_script:
- |
  pip install 'travis-cargo<0.2' --user &&
  export PATH=$HOME/.local/bin:$PATH

script:
- travis-cargo build -- $FEATURES
- travis-cargo --skip 1.10.0 test -- $FEATURES

after_success:
- travis-cargo --only stable doc
- travis-cargo --only stable doc-upload

env:
  global:
  - secure: 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
  - TRAVIS_CARGO_NIGHTLY_FEATURE=""
  - RUSTFLAGS="-D warnings"
  matrix:
  - FEATURES=--features=backtrace
  - FEATURES=--no-default-features

matrix:
  exclude:
  - env: FEATURES=--features=backtrace
    rust: 1.10.0