Switch to GitHub Actions; MSRV 1.41+

The MSRV bump is necessary to check in a merge-friendly Cargo.lock
(which is helpful for caching).

We'll want to do this bump anyway soon for `generic-array` v0.14. See:

<RustCrypto/traits#95>

.github/workflows/blake2.yml

@@ -0,0 +1,65 @@
+name: blake2
+
+on:
+  pull_request:
+    paths:
+      - "blake2/**"
+      - "Cargo.*"
+  push:
+    branches: master
+    paths:
+      - "blake2/**"
+      - "Cargo.*"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust:
+          - 1.41.0 # MSRV
+          - stable
+        target:
+          - thumbv7em-none-eabi
+          - wasm32-unknown-unknown
+    steps:
+      - uses: actions/checkout@v1
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: ${{ matrix.rust }}
+          target: ${{ matrix.target }}
+          override: true
+      - run: cargo build --no-default-features --release --target ${{ matrix.target }}
+        working-directory: blake2
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust:
+          - 1.41.0 # MSRV
+          - stable
+    steps:
+    - uses: actions/checkout@v1
+    - uses: actions-rs/toolchain@v1
+      with:
+        profile: minimal
+        toolchain: ${{ matrix.rust }}
+    - run: cargo test --no-default-features
+      working-directory: blake2
+    - run: cargo test
+      working-directory: blake2
+  simd:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v1
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: nightly
+      - run: cargo test --features simd
+        working-directory: blake2
+      - run: cargo test --features simd_opt
+        working-directory: blake2
+      - run: cargo test --features simd_asm
+        working-directory: blake2

.github/workflows/gost94.yml

@@ -0,0 +1,54 @@
+name: gost94
+
+on:
+  pull_request:
+    paths:
+      - "gost94/**"
+      - "Cargo.*"
+  push:
+    branches: master
+    paths:
+      - "gost94/**"
+      - "Cargo.*"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust:
+          - 1.41.0 # MSRV
+          - stable
+        target:
+          - thumbv7em-none-eabi
+          - wasm32-unknown-unknown
+    steps:
+      - uses: actions/checkout@v1
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: ${{ matrix.rust }}
+          target: ${{ matrix.target }}
+          override: true
+      - working-directory: gost94
+        run: cargo build --no-default-features --release --target ${{ matrix.target }}
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust:
+          - 1.41.0 # MSRV
+          - stable
+    steps:
+      - uses: actions/checkout@v1
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: ${{ matrix.rust }}
+      - working-directory: gost94
+        run: |
+          cargo check --all-features
+          cargo test --no-default-features
+          cargo test
+          cargo test --all-features
+

.github/workflows/groestl.yml

@@ -0,0 +1,53 @@
+name: groestl
+
+on:
+  pull_request:
+    paths:
+      - "groestl/**"
+      - "Cargo.*"
+  push:
+    branches: master
+    paths:
+      - "groestl/**"
+      - "Cargo.*"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust:
+          - 1.41.0 # MSRV
+          - stable
+        target:
+          - thumbv7em-none-eabi
+          - wasm32-unknown-unknown
+    steps:
+      - uses: actions/checkout@v1
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: ${{ matrix.rust }}
+          target: ${{ matrix.target }}
+          override: true
+      - working-directory: groestl
+        run: cargo build --no-default-features --release --target ${{ matrix.target }}
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust:
+          - 1.41.0 # MSRV
+          - stable
+    steps:
+      - uses: actions/checkout@v1
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: ${{ matrix.rust }}
+      - working-directory: groestl
+        run: |
+          cargo check --all-features
+          cargo test --no-default-features
+          cargo test
+          cargo test --all-features

.github/workflows/k12.yml

@@ -0,0 +1,54 @@
+name: k12
+
+on:
+  pull_request:
+    paths:
+      - "k12/**"
+      - "Cargo.*"
+  push:
+    branches: master
+    paths:
+      - "k12/**"
+      - "Cargo.*"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust:
+          - 1.41.0 # MSRV
+          - stable
+        target:
+          # - thumbv7em-none-eabi # TODO: no_std w/o liballoc
+          - wasm32-unknown-unknown
+    steps:
+      - uses: actions/checkout@v1
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: ${{ matrix.rust }}
+          target: ${{ matrix.target }}
+          override: true
+      - working-directory: k12
+        run: cargo build --no-default-features --release --target ${{ matrix.target }}
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust:
+          - 1.41.0 # MSRV
+          - stable
+    steps:
+      - uses: actions/checkout@v1
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: ${{ matrix.rust }}
+      - working-directory: k12
+        run: |
+          cargo check --all-features
+          cargo test --no-default-features
+          cargo test
+          cargo test --all-features
+

.github/workflows/md2.yml

@@ -0,0 +1,54 @@
+name: md2
+
+on:
+  pull_request:
+    paths:
+      - "md2/**"
+      - "Cargo.*"
+  push:
+    branches: master
+    paths:
+      - "md2/**"
+      - "Cargo.*"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust:
+          - 1.41.0 # MSRV
+          - stable
+        target:
+          - thumbv7em-none-eabi
+          - wasm32-unknown-unknown
+    steps:
+      - uses: actions/checkout@v1
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: ${{ matrix.rust }}
+          target: ${{ matrix.target }}
+          override: true
+      - working-directory: md2
+        run: cargo build --no-default-features --release --target ${{ matrix.target }}
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust:
+          - 1.41.0 # MSRV
+          - stable
+    steps:
+      - uses: actions/checkout@v1
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: ${{ matrix.rust }}
+      - working-directory: md2
+        run: |
+          cargo check --all-features
+          cargo test --no-default-features
+          cargo test
+          cargo test --all-features
+

.github/workflows/md4.yml

@@ -0,0 +1,54 @@
+name: md4
+
+on:
+  pull_request:
+    paths:
+      - "md4/**"
+      - "Cargo.*"
+  push:
+    branches: master
+    paths:
+      - "md4/**"
+      - "Cargo.*"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust:
+          - 1.41.0 # MSRV
+          - stable
+        target:
+          - thumbv7em-none-eabi
+          - wasm32-unknown-unknown
+    steps:
+      - uses: actions/checkout@v1
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: ${{ matrix.rust }}
+          target: ${{ matrix.target }}
+          override: true
+      - working-directory: md4
+        run: cargo build --no-default-features --release --target ${{ matrix.target }}
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust:
+          - 1.41.0 # MSRV
+          - stable
+    steps:
+      - uses: actions/checkout@v1
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: ${{ matrix.rust }}
+      - working-directory: md4
+        run: |
+          cargo check --all-features
+          cargo test --no-default-features
+          cargo test
+          cargo test --all-features
+

.github/workflows/md5.yml

@@ -0,0 +1,55 @@
+name: md5
+
+on:
+  pull_request:
+    paths:
+      - "md5/**"
+      - "Cargo.*"
+  push:
+    branches: master
+    paths:
+      - "md5/**"
+      - "Cargo.*"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust:
+          - 1.41.0 # MSRV
+          - stable
+        target:
+          - thumbv7em-none-eabi
+          - wasm32-unknown-unknown
+    steps:
+      - uses: actions/checkout@v1
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: ${{ matrix.rust }}
+          target: ${{ matrix.target }}
+          override: true
+      - run: cargo build --no-default-features --release --target ${{ matrix.target }}
+        working-directory: md5
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust:
+          - 1.41.0 # MSRV
+          - stable
+    steps:
+      - uses: actions/checkout@v1
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: ${{ matrix.rust }}
+      - run: cargo check
+        working-directory: md5
+      - run: cargo test --no-default-features
+        working-directory: md5
+      - run: cargo test
+        working-directory: md5
+      - run: cargo test --features asm
+        working-directory: md5