Update Rust CI workflow for nightly toolchain

Author: daddinuz

.github/workflows/rust.yml

@@ -0,0 +1,22 @@
+name: Rust
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+    branches: ["main"]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        toolchain:
+          - nightly
+    steps:
+    - uses: actions/checkout@v4
+    - name: Run tests
+      run: cargo +nightly test --verbose --features nightly_tests