Re-enable circleci cache

.circleci/config.yml

@@ -86,6 +86,10 @@ jobs:
       xcode: "9.0"
     steps:
       - checkout
+      - restore_cache:
+          keys:
+            - v8-cargo-cache-darwin-stable-{{ arch }}-{{ checksum "Cargo.lock" }}
+            # - v8-cargo-cache-darwin-stable-{{ arch }}
       - run:
           name: Install crate dependencies
           command: |
@@ -130,6 +134,16 @@ jobs:
             export PATH="`pwd`/cmake-3.4.1-Darwin-x86_64/CMake.app/Contents/bin:$PATH"
             export LLVM_SYS_70_PREFIX="`pwd`/clang+llvm-7.0.0-x86_64-apple-darwin/"
             make integration-tests
+      - save_cache:
+          paths:
+            - ~/.cargo/registry/
+            - target/debug/.fingerprint
+            - target/debug/build
+            - target/debug/deps
+            - target/release/.fingerprint
+            - target/release/build
+            - target/release/deps
+          key: v8-cargo-cache-darwin-stable-{{ arch }}-{{ checksum "Cargo.lock" }}
 
   test-and-build:
     docker:
@@ -358,7 +372,6 @@ jobs:
                     -d build_parameters[CIRCLE_JOB]=bench \
                     https://circleci.com/api/v1.1/project/github/wasmerio/wasmer-bench/tree/master
             fi
-
 workflows:
   version: 2
   main: