Break CI cache.

.github/workflows/rust.yml

@@ -29,19 +29,19 @@ jobs:
         uses: actions/cache@v1
         with:
           path: ~/.cargo/registry
-          key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
+          key: ${{ runner.os }}-v1-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
 
       - name: Cache cargo index
         uses: actions/cache@v1
         with:
           path: ~/.cargo/git
-          key: ${{ runner.os }}-cargo-index-${{ hashFiles('**/Cargo.lock') }}
+          key: ${{ runner.os }}-v1-cargo-index-${{ hashFiles('**/Cargo.lock') }}
 
       - name: Cache cargo target dir
         uses: actions/cache@v1
         with:
           path: target
-          key: ${{ runner.os }}-cargo-build-target-${{ hashFiles('**/Cargo.lock') }}
+          key: ${{ runner.os }}-v1-cargo-build-target-${{ hashFiles('**/Cargo.lock') }}
 
       - name: Run cargo check
         uses: actions-rs/cargo@v1
@@ -68,19 +68,19 @@ jobs:
         uses: actions/cache@v1
         with:
           path: ~/.cargo/registry
-          key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
+          key: ${{ runner.os }}-v1-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
 
       - name: Cache cargo index
         uses: actions/cache@v1
         with:
           path: ~/.cargo/git
-          key: ${{ runner.os }}-cargo-index-${{ hashFiles('**/Cargo.lock') }}
+          key: ${{ runner.os }}-v1-cargo-index-${{ hashFiles('**/Cargo.lock') }}
 
       - name: Cache cargo target dir
         uses: actions/cache@v1
         with:
           path: target
-          key: ${{ runner.os }}-cargo-build-target-${{ hashFiles('**/Cargo.lock') }}
+          key: ${{ runner.os }}-v1-cargo-build-target-${{ hashFiles('**/Cargo.lock') }}
 
       - name: Run cargo test
         uses: actions-rs/cargo@v1
@@ -108,19 +108,19 @@ jobs:
         uses: actions/cache@v1
         with:
           path: ~/.cargo/registry
-          key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
+          key: ${{ runner.os }}-v1-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
 
       - name: Cache cargo index
         uses: actions/cache@v1
         with:
           path: ~/.cargo/git
-          key: ${{ runner.os }}-cargo-index-${{ hashFiles('**/Cargo.lock') }}
+          key: ${{ runner.os }}-v1-cargo-index-${{ hashFiles('**/Cargo.lock') }}
 
       - name: Cache cargo target dir
         uses: actions/cache@v1
         with:
           path: target
-          key: ${{ runner.os }}-cargo-build-target-${{ hashFiles('**/Cargo.lock') }}
+          key: ${{ runner.os }}-v1-cargo-build-target-${{ hashFiles('**/Cargo.lock') }}
 
       - name: Run cargo fmt
         uses: actions-rs/cargo@v1