proc-macro-error 0.4.12

Almost drop-in replacement to panics in proc-macros
Documentation
stages:
  - test


.setup_template: &setup_template
  stage: test
  image: debian:stable-slim
  before_script:
    - export CARGO_HOME="$CI_PROJECT_DIR/.cargo"
    - export PATH="$PATH:$CARGO_HOME/bin"
    - export RUST_BACKTRACE=full
    - apt-get update > /dev/null
    - apt-get install -y curl build-essential > /dev/null
    - curl https://sh.rustup.rs -sSf | sh -s -- -y --default-toolchain $RUST_VERSION
    - rustup --version
    - rustc --version
    - cargo --version

.test_all_template: &test_all_template
  <<: *setup_template
  script:
    - cargo test --all


test-stable:
  <<: *test_all_template
  variables:
    RUST_VERSION: stable

test-beta:
  <<: *test_all_template
  variables:
    RUST_VERSION: beta

test-nightly:
  <<: *test_all_template
  variables:
    RUST_VERSION: nightly


test-1.31.0:
  <<: *setup_template
  script:
    - cargo test --tests # skip doctests
  variables:
    RUST_VERSION: 1.31.0

test-fmt:
  <<: *setup_template
  script:
    - cargo fmt --all -- --check
  variables:
    RUST_VERSION: stable