cache the cargo src dir in CI (#6791)

* cache the cargo src dir in CI

* Poke for CI

Author: alex

.github/workflows/ci.yml

@@ -64,9 +64,10 @@ jobs:
             ~/.cargo/bin/
             ~/.cargo/registry/index/
             ~/.cargo/registry/cache/
+            ~/.cargo/registry/src/
             ~/.cargo/git/db/
             src/rust/target/
-          key: ${{ runner.os }}-${{ steps.setup-python.outputs.python-version }}-cargo-2-${{ hashFiles('**/Cargo.lock') }}
+          key: ${{ runner.os }}-${{ steps.setup-python.outputs.python-version }}-cargo-3-${{ hashFiles('**/Cargo.lock') }}
 
       - uses: actions-rs/[email protected]
         with:
@@ -156,9 +157,10 @@ jobs:
             ~/.cargo/bin/
             ~/.cargo/registry/index/
             ~/.cargo/registry/cache/
+            ~/.cargo/registry/src/
             ~/.cargo/git/db/
             src/rust/target/
-          key: ${{ runner.os }}-${{ matrix.IMAGE.IMAGE }}-cargo-2-${{ hashFiles('**/Cargo.lock') }}
+          key: ${{ runner.os }}-${{ matrix.IMAGE.IMAGE }}-cargo-3-${{ hashFiles('**/Cargo.lock') }}
 
       - uses: actions/[email protected]
         timeout-minutes: 3
@@ -204,9 +206,10 @@ jobs:
             ~/.cargo/bin/
             ~/.cargo/registry/index/
             ~/.cargo/registry/cache/
+            ~/.cargo/registry/src/
             ~/.cargo/git/db/
             src/rust/target/
-          key: ${{ runner.os }}-cargo-2-${{ hashFiles('**/Cargo.lock') }}-${{ matrix.RUST }}
+          key: ${{ runner.os }}-cargo-3-${{ hashFiles('**/Cargo.lock') }}-${{ matrix.RUST }}
 
       - name: Setup python
         uses: actions/[email protected]
@@ -257,9 +260,10 @@ jobs:
             ~/.cargo/bin/
             ~/.cargo/registry/index/
             ~/.cargo/registry/cache/
+            ~/.cargo/registry/src/
             ~/.cargo/git/db/
             src/rust/target/
-          key: ${{ runner.os }}-cargo-2-${{ hashFiles('**/Cargo.lock') }}-rust-nightly-coverage
+          key: ${{ runner.os }}-cargo-3-${{ hashFiles('**/Cargo.lock') }}-rust-nightly-coverage
 
       - name: Setup python
         uses: actions/[email protected]
@@ -349,9 +353,10 @@ jobs:
             ~/.cargo/bin/
             ~/.cargo/registry/index/
             ~/.cargo/registry/cache/
+            ~/.cargo/registry/src/
             ~/.cargo/git/db/
             src/rust/target/
-          key: ${{ runner.os }}-${{ matrix.PYTHON.VERSION }}-cargo-2-${{ hashFiles('**/Cargo.lock') }}
+          key: ${{ runner.os }}-${{ matrix.PYTHON.VERSION }}-cargo-3-${{ hashFiles('**/Cargo.lock') }}
 
       - name: Setup python
         uses: actions/[email protected]
@@ -426,9 +431,10 @@ jobs:
             ~/.cargo/bin/
             ~/.cargo/registry/index/
             ~/.cargo/registry/cache/
+            ~/.cargo/registry/src/
             ~/.cargo/git/db/
             src/rust/target/
-          key: ${{ runner.os }}-${{ matrix.WINDOWS.ARCH }}-${{ steps.setup-python.outputs.python-version }}-cargo-2-${{ hashFiles('**/Cargo.lock') }}
+          key: ${{ runner.os }}-${{ matrix.WINDOWS.ARCH }}-${{ steps.setup-python.outputs.python-version }}-cargo-3-${{ hashFiles('**/Cargo.lock') }}
 
       - uses: actions-rs/[email protected]
         with:
@@ -495,9 +501,10 @@ jobs:
             ~/.cargo/bin/
             ~/.cargo/registry/index/
             ~/.cargo/registry/cache/
+            ~/.cargo/registry/src/
             ~/.cargo/git/db/
             src/rust/target/
-          key: ${{ runner.os }}-cargo-2-${{ hashFiles('**/Cargo.lock') }}
+          key: ${{ runner.os }}-cargo-3-${{ hashFiles('**/Cargo.lock') }}
 
       - name: Setup python
         uses: actions/[email protected]