Added code coverage to CI

Author: SOF3

.github/workflows/ci.yml

@@ -58,3 +58,18 @@ jobs:
           default: true
       - name: cargo test
         run: "cargo test --all ${{matrix.stability}}"
+      - name: cargo test
+        if: ${{ matrix.toolchain != 'nightly' || matrix.stability != '' }}
+        run: "cargo test --all ${{matrix.stability}}"
+      - name: cargo test
+        if: ${{ matrix.toolchain == 'nightly' && matrix.stability == '' }}
+        run: "cargo test --no-fail-fast --all"
+        env:
+          CARGO_INCREMENTAL: "0"
+          RUSTFLAGS: "-Zprofile -Ccodegen-units=1 -Cinline-threshold=0 -Clink-dead-code -Coverflow-checks=off -Cpanic=abort -Zpanic_abort_tests"
+          RUSTDOCFLAGS: "-Zprofile -Ccodegen-units=1 -Cinline-threshold=0 -Clink-dead-code -Coverflow-checks=off -Cpanic=abort -Zpanic_abort_tests"
+      - id: coverage
+        name: coverage report
+        if: ${{ matrix.toolchain == 'nightly' && matrix.stability == '' }}
+        uses: actions-rs/[email protected]
+      - name: upload to codecov