[gh actions] invalidate cargo-installed-crates cache

.github/workflows/main.yml

@@ -15,16 +15,16 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
-    
+
     # https://github.com/actions/cache/issues/133
     - name: Fixup owner of ~/.cargo/bin
       run: sudo chown -R $(whoami):$(id -ng) ~/.cargo
-    
+
     - name: Cache cargo installed crates
       uses: actions/cache@v1.1.2
       with:
         path: ~/.cargo/bin
-        key: cargo-installed-crates-${{ matrix.os }}
+        key: cargo-installed-crates2-${{ matrix.os }}
 
     - name: Cache cargo registry
       uses: actions/cache@v1
@@ -49,21 +49,21 @@ jobs:
         git config --global user.email "user@example.com"
         git config --global user.name "User"
         ./prepare.sh
-    
+
     # Compile is a separate step, as the actions-rs/cargo action supports error annotations
     - name: Compile
       uses: actions-rs/cargo@v1.0.1
       with:
         command: build
         args: --release
-    
+
     - name: Test
       run: |
         # Enable backtraces for easier debugging
         export RUST_BACKTRACE=1
-        
+
         # Reduce amount of benchmark runs as they are slow
         export COMPILE_RUNS=2
         export RUN_RUNS=2
-        
+
         ./test.sh --release