message: AppVeyor: retry download
diff: @@ -18,7 +18,7 @@ cache:
  install:
  # Install Rust
  - - curl -sSf -o rustup-init.exe https://win.rustup.rs/
  + - curl -sSf --retry 3 -o rustup-init.exe https://win.rustup.rs/
  - rustup-init.exe -y --default-host %TARGET% --default-toolchain stable
  - set PATH=%USERPROFILE%\.cargo\bin;%PATH%
  # Install "master" toolchain
  