Set PATH correctly on Windows

Author: phil-opp

azure-pipelines.yml

@@ -49,10 +49,13 @@ steps:
   condition: or(eq( variables['Agent.OS'], 'Linux' ),  eq( variables['Agent.OS'], 'Darwin' ))
   displayName: 'Install Rust (Linux/macOS)'
 
-- script: curl -sSf -o rustup-init.exe https://win.rustup.rs && rustup-init.exe -y --default-toolchain %RUSTUP_TOOLCHAIN% && echo ##vso[task.setvariable variable=PATH;]%PATH%;%USERPROFILE%\.cargo\bin
+- script: curl -sSf -o rustup-init.exe https://win.rustup.rs && rustup-init.exe -y --default-toolchain %RUSTUP_TOOLCHAIN%
   condition: eq( variables['Agent.OS'], 'Windows_NT' )
   displayName: 'Install Rust (Windows)'
 
+- script: echo ##vso[task.setvariable variable=PATH;]%PATH%;%USERPROFILE%\.cargo\bin
+  displayName: 'Add ~/.cargo/bin to PATH (Windows)'
+
 - script: |
     rustc -Vv
     cargo -V