Try building with mold (#17)

* Try building with mold

* trigger

* rollback branch mask

Author: agourlay

.github/workflows/run-crasher.yml

@@ -43,6 +43,17 @@ jobs:
           echo "crashing_time=$crashing_time" >> $GITHUB_OUTPUT
       - name: Install minimal stable
         uses: dtolnay/rust-toolchain@stable
+      - name: Install mold
+        uses: rui314/setup-mold@v1
+      - name: Enable mold on Linux
+        run: |
+          if [[ "${{ matrix.os }}" == "ubuntu-latest" ]]; then
+            mkdir .cargo
+            echo "[target.x86_64-unknown-linux-gnu]" >> .cargo/config.toml
+            echo "linker = \"clang\"" >> .cargo/config.toml
+            echo "rustflags = [\"-C\", \"link-arg=-fuse-ld=/usr/local/bin/mold\"]" >> .cargo/config.toml
+          fi
+        shell: bash
       - name: Install Protoc
         uses: arduino/setup-protoc@v3
         with: