DO NOT MERGE: Test rustflags for backtrace-rs suggested workaround

Author: TheBlueMatt

.github/workflows/build.yml

@@ -42,6 +42,10 @@ jobs:
       - name: Set RUSTFLAGS to deny warnings
         if: "matrix.toolchain == '1.63.0'"
         run: echo "RUSTFLAGS=-D warnings" >> "$GITHUB_ENV"
+      - name: Test windowz line-tables-only
+        if: "matrix.toolchain == 'beta' && matrix.platform == 'windows-latest'"
+        shell: bash # Default on Winblows is powershell
+        run: RUSTFLAGS="-C debuginfo=line-tables-only" cargo test --features backtrace
       - name: Run CI script
         shell: bash # Default on Winblows is powershell
         run: CI_MINIMIZE_DISK_USAGE=1 ./ci/ci-tests.sh