cache cago on github actions (#1819)

.github/workflows/build.yml

@@ -4,33 +4,73 @@ jobs:
   build_ubuntu:
     runs-on: ubuntu-latest
     steps:
-      - name: checkout
-        uses: actions/checkout@v3
-
-      - name: make
-        run: make
+    - name: gitconfig
+      run: |
+        git config --global core.autocrlf false
+        git config --global core.eol lf
+    - name: checkout
+      uses: actions/checkout@v3
+    - name: Install Rust
+      uses: actions-rs/toolchain@v1
+      with:
+        toolchain: stable
+        target: aarch64-apple-darwin
+        override: true
+        components: rustfmt, clippy
 
-      - name: selftest
-        run: make selftest
+    - name: Set up cargo cache
+      uses: actions/cache@v3
+      continue-on-error: false
+      with:
+        path: |
+          ~/.cargo/bin/
+          ~/.cargo/registry/index/
+          ~/.cargo/registry/cache/
+          ~/.cargo/git/db/
+          target/
+        key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+        restore-keys: ${{ runner.os }}-cargo-
+    - name: make
+      run: make
+    - name: selftest
+      run: |
+        make selftest
+        ./zerotier-selftest
 
   build_macos:
     runs-on: macos-latest
     steps:
+    - name: gitconfig
+      run: |
+        git config --global core.autocrlf false
+        git config --global core.eol lf
     - name: checkout
       uses: actions/checkout@v3
-
-    - name: Install Rust Toolchain
+    - name: Install Rust
       uses: actions-rs/toolchain@v1
       with:
         toolchain: stable
         target: aarch64-apple-darwin
         override: true
-
+        components: rustfmt, clippy
+    - name: Set up cargo cache
+      uses: actions/cache@v3
+      continue-on-error: false
+      with:
+        path: |
+          ~/.cargo/bin/
+          ~/.cargo/registry/index/
+          ~/.cargo/registry/cache/
+          ~/.cargo/git/db/
+          target/
+        key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+        restore-keys: ${{ runner.os }}-cargo-
     - name: make
       run: make
-
     - name: selftest
-      run: make selftest
+      run: |
+        make selftest
+        ./zerotier-selftest
 
   build_windows:
     runs-on: windows-latest
@@ -39,13 +79,30 @@ jobs:
       run: |
         git config --global core.autocrlf false
         git config --global core.eol lf
-
     - name: checkout
       uses: actions/checkout@v3
-
+    - name: Install Rust
+      uses: actions-rs/toolchain@v1
+      with:
+        toolchain: stable
+        target: aarch64-apple-darwin
+        override: true
+        components: rustfmt, clippy
+    - name: Set up cargo cache
+      uses: actions/cache@v3
+      continue-on-error: false
+      with:
+        path: |
+          ~/.cargo/bin/
+          ~/.cargo/registry/index/
+          ~/.cargo/registry/cache/
+          ~/.cargo/git/db/
+          target/
+        key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+        restore-keys: ${{ runner.os }}-cargo-
     - name: setup msbuild
       uses: microsoft/setup-msbuild@v1.1.3
-
     - name: msbuild
       run: |
-        msbuild windows\ZeroTierOne.sln /m /p:Configuration=Release  /property:Platform=x64 /t:ZeroTierOne:Rebuild
+        msbuild windows\ZeroTierOne.sln /m /p:Configuration=Release  /property:Platform=x64 /t:ZeroTierOne:Rebuild        
+