message: Make x86 32bit an unsupported installation target
diff: @@ -167,11 +167,6 @@ fn prebuilt_url(tool: &Tool, version: &str) -> Result<String, failure::Error> {
  Tool::WasmOpt => "x86_64-linux",
  _ => "x86_64-unknown-linux-musl",
  }
  - } else if target::LINUX && target::x86 {
  - match tool {
  - Tool::WasmOpt => "x86-linux",
  - _ => bail!("Unrecognized target!"),
  - }
  } else if target::MACOS && (target::x86_64 || target::aarch64) {
  "x86_64-apple-darwin"
  } else if target::WINDOWS && target::x86_64 {
  