Test windows nightly

Author: ChrisDenton

.github/workflows/main.yml

@@ -26,14 +26,18 @@ jobs:
             rust: stable
           - os: macos-latest
             rust: nightly
-          # Note that these are on nightly due to rust-lang/rust#63700 not being
-          # on stable yet
           - os: windows-latest
             rust: stable-x86_64-msvc
           - os: windows-latest
             rust: stable-i686-msvc
           - os: windows-latest
             rust: stable-x86_64-gnu
+          - os: windows-latest
+            rust: nightly-x86_64-msvc
+          - os: windows-latest
+            rust: nightly-i686-msvc
+          - os: windows-latest
+            rust: nightly-x86_64-gnu
     steps:
     - uses: actions/checkout@v3
       with:
@@ -49,7 +53,7 @@ jobs:
     - name: Force frame pointers
       run: echo RUSTFLAGS="-Cforce-frame-pointers $RUSTFLAGS" >> $GITHUB_ENV
       shell: bash
-      if: matrix.rust == 'stable-i686-msvc'
+      if: endsWith(matrix.rust, '-i686-msvc')
 
     - run: cargo build
     - run: cargo test