ci: use nightly

.github/workflows/test_suite.yml

@@ -16,18 +16,15 @@ jobs:
         with:
           submodules: recursive
       - uses: actions-rust-lang/setup-rust-toolchain@v1
-
+        with:
+          toolchain: nightly
       - name: Start minio
         run: ./ci/minio_start.sh
-
       - run: cargo test --all-features -- -Z unstable-options --format json --report-time | tee results.json
-
       - name: Prepare junit report
-        id: cargo_reporter
         uses: innoq/action-cargo-test-report
         with:
           cargo-test-report-json: 'results.json'
-
       - name: Publish Test Report
         uses: mikepenz/action-junit-report@main
         if: always() # always run even if the previous step fails
@@ -36,7 +33,6 @@ jobs:
           fail_on_failure: true
           require_tests: true
           summary: ${{ steps.cargo_reporter.outputs.summary }}
-
       - name: Stop minio
         run: ./ci/minio_stop.sh