geronimo-captcha 2.0.0

A JavaScript-free CAPTCHA for Rust. A speed bump for bulk automation, layered over server-side rate limiting. Not a wall.
Documentation 
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name: CI workflow
on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]

permissions:
  contents: read

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: ${{ github.event_name == 'pull_request' }}

env:
  CARGO_TERM_COLOR: always
  CARGO_INCREMENTAL: 0

jobs:
  fmt:
    name: Rustfmt
    runs-on: ubuntu-24.04
    steps:
      - uses: actions/checkout@v5
      - uses: dtolnay/rust-toolchain@stable
        with:
          components: rustfmt
      - run: cargo fmt --all --check

  audit:
    name: Audit + deny
    runs-on: ubuntu-24.04
    steps:
      - uses: actions/checkout@v5
      - uses: dtolnay/rust-toolchain@stable
      - uses: taiki-e/install-action@v2
        with:
          tool: cargo-audit, cargo-deny
      - run: cargo audit
      - run: cargo deny check

  test:
    name: ${{ matrix.lane }}
    runs-on: ubuntu-24.04
    strategy:
      fail-fast: false
      matrix:
        include:
          - lane: default-features
            features: ""
          - lane: all-features
            features: "--all-features"
    steps:
      - uses: actions/checkout@v5

      - uses: dtolnay/rust-toolchain@stable
        with:
          components: clippy

      - uses: Swatinem/rust-cache@v2
        with:
          shared-key: ${{ matrix.lane }}

      - uses: taiki-e/install-action@v2
        with:
          tool: cargo-nextest

      - name: Clippy
        run: cargo clippy --all-targets ${{ matrix.features }} -- -D warnings

      - name: Nextest
        run: cargo nextest run --release ${{ matrix.features }}

      - name: Doctests
        run: cargo test --doc --release ${{ matrix.features }}