qubit-json 0.12.2

Resource-aware infrastructure for lenient and strict JSON processing
Documentation 
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name: Rust Fuzz

on:
  schedule:
    - cron: "23 18 * * *"
  workflow_dispatch:

permissions:
  contents: read

concurrency:
  group: ${{ github.repository }}-${{ github.workflow }}
  cancel-in-progress: true

jobs:
  fuzz:
    runs-on: ubuntu-latest
    timeout-minutes: 15
    strategy:
      fail-fast: false
      matrix:
        target: [decoder, json_decode_differential, json_budget_invariants, json_encode_invariants, json_tree_invariants, jcs_invariants, json_unique_decode_invariants]
        profile: [baseline]
        include:
          - profile: baseline
            features: ''
            seconds: 240
          - target: json_encode_invariants
            profile: arbitrary-precision
            features: arbitrary-precision
            seconds: 210
          - target: json_tree_invariants
            profile: preserve-order
            features: preserve-order
            seconds: 210
          - target: json_unique_decode_invariants
            profile: arbitrary-precision
            features: arbitrary-precision
            seconds: 210
    steps:
      - name: Checkout source
        uses: actions/checkout@v6
        with:
          fetch-depth: 1
          submodules: recursive

      - name: Prepare local path dependencies
        run: ./.infra/bin/prepare-local-path-dependencies.sh

      - name: Restore fuzz corpus
        uses: actions/cache/restore@v4
        with:
          path: fuzz/corpus/${{ matrix.target }}
          key: ${{ matrix.target }}-${{ matrix.profile }}-fuzz-corpus-${{ runner.os }}-${{ github.run_id }}
          restore-keys: |
            ${{ matrix.target }}-${{ matrix.profile }}-fuzz-corpus-${{ runner.os }}-

      - name: Install Rust nightly
        run: rustup toolchain install nightly-2026-06-05 --profile minimal

      - name: Install cargo-fuzz
        run: cargo install cargo-fuzz --version 0.13.2 --locked

      - name: Fuzz target
        working-directory: fuzz
        env:
          FUZZ_TARGET: ${{ matrix.target }}
          FUZZ_FEATURES: ${{ matrix.features }}
          FUZZ_SECONDS: ${{ matrix.seconds }}
        run: |
          feature_args=()
          if [[ -n "$FUZZ_FEATURES" ]]; then
            feature_args=(--features "$FUZZ_FEATURES")
          fi
          cargo +nightly-2026-06-05 fuzz run "$FUZZ_TARGET" "${feature_args[@]}" -- -max_total_time="$FUZZ_SECONDS" -max_len=4096

      - name: Save fuzz corpus
        if: always()
        uses: actions/cache/save@v4
        with:
          path: fuzz/corpus/${{ matrix.target }}
          key: ${{ matrix.target }}-${{ matrix.profile }}-fuzz-corpus-${{ runner.os }}-${{ github.run_id }}

      - name: Upload fuzz artifacts
        if: failure()
        uses: actions/upload-artifact@v7
        with:
          name: ${{ matrix.target }}-${{ matrix.profile }}-fuzz-artifacts
          path: fuzz/artifacts/${{ matrix.target }}/**
          if-no-files-found: warn
          retention-days: 14