blake2: backport BE tests (#368)

.github/actions/cross-tests/action.yml

@@ -0,0 +1,29 @@
+name: "cross-tests"
+
+inputs:
+  rust:
+    required: true
+  package:
+    required: true
+  target:
+    required: true
+  features:
+    required: true
+
+runs:
+  using: "composite"
+  steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: ${{ inputs.rust }}
+          target: ${{ inputs.target }}
+          override: true
+      - uses: RustCrypto/actions/cross-install@master
+      - run: cross test
+          --package ${{ inputs.package }}
+          --target ${{ inputs.target }}
+          --no-default-features
+          --features ${{ inputs.features }}
+        shell: bash

.github/workflows/blake2.yml

@@ -65,3 +65,30 @@ jobs:
       - run: cargo test --features simd
       - run: cargo test --features simd_opt
       - run: cargo test --features simd_asm
+
+  # Cross-compiled tests
+  cross:
+    strategy:
+      matrix:
+        rust:
+          - 1.51 # 1.41-1.50 `--features` can't be used inside virtual manifest
+          - stable
+        target:
+          - aarch64-unknown-linux-gnu
+          - mips-unknown-linux-gnu
+        features:
+          - default
+
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+      # Cross mounts only current package, i.e. by default it ignores workspace's Cargo.toml
+        working-directory: .
+    steps:
+      - uses: actions/checkout@v2
+      - uses: ./.github/actions/cross-tests
+        with:
+          rust: ${{ matrix.rust }}
+          package: ${{ github.workflow }}
+          target: ${{ matrix.target }}
+          features: ${{ matrix.features }}

Cargo.lock

@@ -45,9 +45,9 @@ checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
 
 [[package]]
 name = "cc"
-version = "1.0.72"
+version = "1.0.73"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "22a9137b95ea06864e018375b72adfb7db6e6f68cfc8df5a04d00288050485ee"
+checksum = "2fff2a6927b3bb87f9595d67196a70493f627687a71d87a0d692242c33f58c11"
 
 [[package]]
 name = "cfg-if"
@@ -128,9 +128,9 @@ dependencies = [
 
 [[package]]
 name = "hex-literal"
-version = "0.2.1"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "961de220ec9a91af2e1e5bd80d02109155695e516771762381ef8581317066e0"
+checksum = "d70693199b3cf4552f3fa720b54163927a3ebed2aef240efaf556033ab336a11"
 dependencies = [
  "hex-literal-impl",
  "proc-macro-hack",
@@ -138,9 +138,9 @@ dependencies = [
 
 [[package]]
 name = "hex-literal-impl"
-version = "0.2.2"
+version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "853f769599eb31de176303197b7ba4973299c38c7a7604a6bc88c3eef05b9b46"
+checksum = "59448fc2f82a5fb6907f78c3d69d843e82ff5b051923313cc4438cb0c7b745a8"
 dependencies = [
  "proc-macro-hack",
 ]
@@ -161,9 +161,9 @@ checksum = "67c21572b4949434e4fc1e1978b99c5f77064153c59d998bf13ecd96fb5ecba7"
 
 [[package]]
 name = "libc"
-version = "0.2.112"
+version = "0.2.118"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b03d17f364a3a042d5e5d46b053bbbf82c92c9430c592dd4c064dc6ee997125"
+checksum = "06e509672465a0504304aa87f9f176f2b2b716ed8fb105ebe5c02dc6dce96a94"
 
 [[package]]
 name = "md-5"