diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index d57bc4d3..70a05351 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -101,7 +101,7 @@ jobs:
     steps:
       - template: ci/azure-install-rust.yml
       - template: ci/azure-install-node.yml
-      - template: ci/azure-install-sccache.yml
+        #- template: ci/azure-install-sccache.yml
       - script: cargo test -p wasm-bindgen-webidl
       - script: cargo test -p webidl-tests --target wasm32-unknown-unknown
         env:
@@ -128,7 +128,7 @@ jobs:
           cd wabt/build
           cmake .. -DCMAKE_BUILD_TYPE=Release -DBUILD_TESTS=off -DCMAKE_CXX_COMPILER_LAUNCHER=$RUSTC_WRAPPER
           cmake --build . -- -j$(nproc)
-          echo "##vso[task.setvariable variable=PATH;]$PATH:$PWD"
+          echo "##vso[task.prependpath]$PWD"
       - script: cargo test -p wasm-bindgen-wasm-interpreter
 
   - job: test_typescript_output
@@ -171,7 +171,7 @@ jobs:
       - script: |
           set -e
           curl -L https://github.com/japaric/xargo/releases/download/v0.3.13/xargo-v0.3.13-x86_64-unknown-linux-musl.tar.gz | tar xzf -
-          echo "##vso[task.setvariable variable=PATH;]$PATH:$PWD"
+          echo "##vso[task.prependpath]$PWD"
         displayName: "install xargo"
       - script: |
           set -e
diff --git a/ci/azure-install-rust.yml b/ci/azure-install-rust.yml
index dd4ac1c0..6eeac289 100644
--- a/ci/azure-install-rust.yml
+++ b/ci/azure-install-rust.yml
@@ -3,17 +3,20 @@ parameters:
 
 steps:
   - bash: |
-      curl https://sh.rustup.rs -sSf | sh -s -- -y --default-toolchain $TOOLCHAIN
-      echo "##vso[task.setvariable variable=PATH;]$PATH:$HOME/.cargo/bin"
+      set -e
+      if command -v rustup; then
+        rustup update $TOOLCHAIN
+        rustup default $TOOLCHAIN
+      else
+        curl https://sh.rustup.rs -sSf | sh -s -- -y --default-toolchain $TOOLCHAIN
+        echo "##vso[task.prependpath]$HOME/.cargo/bin"
+      fi
     displayName: Install rust - Unix
     condition: ne( variables['Agent.OS'], 'Windows_NT' )
     env:
       TOOLCHAIN: ${{ parameters.toolchain }}
 
-  - script: |
-      curl -sSf -o rustup-init.exe https://win.rustup.rs
-      rustup-init.exe -y --default-toolchain %TOOLCHAIN%
-      echo "##vso[task.setvariable variable=PATH;]%PATH%;%USERPROFILE%\.cargo\bin"
+  - bash: rustup update --no-self-update $TOOLCHAIN && rustup default $TOOLCHAIN
     displayName: Install rust - Windows
     condition: eq( variables['Agent.OS'], 'Windows_NT' )
     env:
diff --git a/ci/azure-install-wasm-pack.yml b/ci/azure-install-wasm-pack.yml
index 4759d82e..8afcbee2 100644
--- a/ci/azure-install-wasm-pack.yml
+++ b/ci/azure-install-wasm-pack.yml
@@ -4,5 +4,5 @@ steps:
   - script: |
       set -ex
       cargo build -p wasm-bindgen-cli
-      ln -snf `pwd`/target/debug/wasm-bindgen $HOME/.cargo/bin/wasm-bindgen
+      ln -snf `pwd`/target/debug/wasm-bindgen $(dirname `which cargo`)/wasm-bindgen
     displayName: "install wasm-bindgen for `wasm-pack` to use"