mrrc 0.7.6

A Rust library for reading, writing, and manipulating MARC bibliographic records in ISO 2709 binary format
Documentation 
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name: Memory Safety Checks (ASAN)

# Run nightly to detect memory safety regressions without blocking regular CI
on:
  schedule:
    # Run daily at 2 AM UTC
    - cron: '0 2 * * *'
  # Allow manual trigger for on-demand testing
  workflow_dispatch:

env:
  RUST_BACKTRACE: 1
  CARGO_TERM_COLOR: always

jobs:
  asan-library-tests:
    name: ASAN Memory Safety Tests
    runs-on: ubuntu-latest
    strategy:
      # Let all ASAN tests run even if one fails, for comprehensive feedback
      fail-fast: false
    steps:
      - uses: actions/checkout@v6

      - name: Install Rust nightly toolchain with ASAN support
        uses: dtolnay/rust-toolchain@nightly
        with:
          components: rust-src

      - name: Cache cargo
        uses: actions/cache@v5
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
          key: ${{ runner.os }}-cargo-asan-${{ hashFiles('**/Cargo.lock') }}

      - name: Run ASAN on library tests
        run: |
          export RUSTFLAGS="-Z sanitizer=address"
          export LSAN_OPTIONS="suppressions=${{ github.workspace }}/.cargo/asan_suppressions.txt"
          # Use -Zbuild-std to rebuild std with ASAN and properly handle proc-macros
          # Proc-macros run on host at compile time, so they need special handling
          cargo test --lib --package mrrc -q -Zbuild-std --target x86_64-unknown-linux-gnu

      - name: Report results
        if: always()
        run: echo "ASAN tests completed. Check output above for any issues."