Trying to improve local cache dir

.azure/install-sccache.yml

@@ -28,6 +28,7 @@ steps:
   - bash: |
       set -ex
       env
+      mkdir -p $SCCACHE_DIR
       SCCACHE_ERROR_LOG=`pwd`/sccache.log RUST_LOG=debug $RUSTC_WRAPPER --start-server
       $RUSTC_WRAPPER -s
       cat sccache.log
@@ -35,3 +36,9 @@ steps:
     env:
       SCCACHE_AZURE_CONNECTION_STRING: $(SCCACHE_AZURE_CONNECTION_STRING)
       SCCACHE_AZURE_BLOB_CONTAINER: $(SCCACHE_AZURE_BLOB_CONTAINER)
+      SCCACHE_DIR: $(Pipeline.Workspace)/.sccache
+  - task: CacheBeta@0
+    inputs:
+      key: sccache | $(Agent.OS) | Cargo.lock
+      path: $(Pipeline.Workspace)/.sccache
+    displayName: Cache Cargo Target

azure-pipelines.yml

@@ -42,8 +42,6 @@ jobs:
           rust_toolchain: stable
     pool:
       vmImage: $(imageName)
-    variables:
-      SCCACHE_DIR: $(Pipeline.Workspace)/.sccache
     condition: in(variables['Build.SourceBranch'], 'refs/heads/master', 'refs/heads/staging', 'refs/heads/trying')
     steps:
       - checkout: self
@@ -52,11 +50,6 @@ jobs:
       - template: .azure/install-llvm.yml
       - template: .azure/install-sccache.yml
       - template: .azure/install-cmake.yml
-      - task: CacheBeta@0
-        inputs:
-          key: sccache | $(Agent.OS) | Cargo.lock
-          path: $(SCCACHE_DIR)
-        displayName: Cache Cargo Target
       - bash: make test
         displayName: Tests (*nix)
         condition: and(succeeded(), not(eq(variables['Agent.OS'], 'Windows_NT')))
@@ -69,7 +62,6 @@ jobs:
       vmImage: "ubuntu-16.04"
     variables:
       rust_toolchain: nightly-2019-08-15
-      SCCACHE_DIR: $(Pipeline.Workspace)/.sccache
     condition: in(variables['Build.SourceBranch'], 'refs/heads/master', 'refs/heads/staging', 'refs/heads/trying')
     steps:
       - checkout: self
@@ -78,11 +70,6 @@ jobs:
       - template: .azure/install-llvm.yml
       - template: .azure/install-sccache.yml
       - template: .azure/install-cmake.yml
-      - task: CacheBeta@0
-        inputs:
-          key: sccache | $(Agent.OS) | Cargo.lock
-          path: $(SCCACHE_DIR)
-        displayName: Cache Cargo Target
       - bash: make check
         displayName: Check with Flags
         condition: and(succeeded(), not(eq(variables['Agent.OS'], 'Windows_NT')))
@@ -103,8 +90,6 @@ jobs:
           # RUSTFLAGS: -Ctarget-feature=+crt-static
     pool:
       vmImage: $(imageName)
-    variables:
-      SCCACHE_DIR: $(Pipeline.Workspace)/.sccache
     condition: in(variables['Build.SourceBranch'], 'refs/heads/master', 'refs/heads/staging', 'refs/heads/trying')
     steps:
       - checkout: self
@@ -114,11 +99,6 @@ jobs:
       - template: .azure/install-sccache.yml
       - template: .azure/install-cmake.yml
       - template: .azure/install-innosetup.yml
-      - task: CacheBeta@0
-        inputs:
-          key: sccache | $(Agent.OS) | Cargo.lock
-          path: $(SCCACHE_DIR)
-        displayName: Cache Cargo Target
       - bash: |
           mkdir -p artifacts
         displayName: Create Artifacts Dir
@@ -173,8 +153,6 @@ jobs:
           # RUSTFLAGS: -Ctarget-feature=+crt-static
     pool:
       vmImage: $(imageName)
-    variables:
-      SCCACHE_DIR: $(Pipeline.Workspace)/.sccache
     condition: in(variables['Build.SourceBranch'], 'refs/heads/master', 'refs/heads/staging', 'refs/heads/trying')
     steps:
       - checkout: self
@@ -183,11 +161,6 @@ jobs:
       # - template: .azure/install-llvm.yml
       - template: .azure/install-sccache.yml
       - template: .azure/install-cmake.yml
-      - task: CacheBeta@0
-        inputs:
-          key: sccache | $(Agent.OS) | Cargo.lock
-          path: $(SCCACHE_DIR)
-        displayName: Cache Cargo Target
       - bash: |
           mkdir -p artifacts
         displayName: Create Artifacts Dir