remove mac build and fix windows features

.github/workflows/clippy.yml

@@ -3,24 +3,6 @@ name: Clippy
 on: [push, pull_request]
 
 jobs:
-  mac-clippy:
-    name: macOS
-    runs-on: macOS-latest
-    steps:
-     - name: Checkout
-       uses: actions/checkout@v1
-     - name: Install Toolchain
-       uses: actions-rs/toolchain@v1
-       with:
-         components: clippy
-         override: true
-         profile: minimal
-         toolchain: 1.32.0
-     - name: Run `cargo clippy`
-       uses: actions-rs/cargo@v1
-       with:
-         command: clippy
-         args: --features "serde slog std v1 v3 v4 v5" -- -D warnings
   linux-clippy:
    name: Linux
    runs-on: ubuntu-latest
@@ -56,4 +38,4 @@ jobs:
        uses: actions-rs/cargo@v1
        with:
          command: clippy
-         args: --all-features -- -D warnings
+         args: --features "guid serde slog std v1 v3 v4 v5" -- -D warnings