try rdrand fix

Author: newpavlov

.github/workflows/tests.yml

@@ -143,36 +143,32 @@ jobs:
   build-rdrand:
     name: Build-only RDRAND
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        target: [
-          x86_64-unknown-cloudabi,
-          x86_64-unknown-uefi,
-          x86_64-unknown-hermit,
-          x86_64-unknown-l4re-uclibc,
-          x86_64-uwp-windows-gnu,
-          x86_64-wrs-vxworks,
-        ]
     steps:
       - uses: actions/checkout@v2
       - name: Install toolchain
         uses: actions-rs/toolchain@v1
         with:
-          # profile: minimal
+          profile: minimal
           toolchain: nightly
-          # components: rust-src
+          components: rust-src
           override: true
       - name: Cache cargo plugins
         uses: actions/cache@v1
         with:
           path: ~/.cargo/bin/
           key: ${{ runner.os }}-cargo-plugins
-      - name: Install rust-src
-        run: rustup component add rust-src
       - name: Install xbuild
         run: cargo install cargo-xbuild || true
-      - name: Test
-        run: cargo xbuild --features=rdrand --target ${{ matrix.target }}
+      # - name: CloudABI
+      #   run: cargo xbuild --features=rdrand --target x86_64-unknown-cloudabi
+      - name: UEFI
+        run: cargo xbuild --features=rdrand --target x86_64-unknown-uefi
+      - name: Hermit
+        run: cargo xbuild --features=rdrand --target x86_64-unknown-hermit
+      - name: L4Re
+        run: cargo xbuild --features=rdrand --target x86_64-unknown-l4re-uclibc
+      - name: VxWorks
+        run: cargo xbuild --features=rdrand --target x86_64-wrs-vxworks
 
   # clippy-fmt:
   #   name: Clippy + rustfmt