Handle toolcache errors with StartProxyError

lib/start-proxy-action.js

@@ -119796,6 +119796,16 @@ async function extractProxy(logger, archive) {
     throw new StartProxyError("Failed to extract proxy archive." /* ExtractionFailed */);
   }
 }
+async function cacheProxy(logger, path2, filename, version) {
+  try {
+    return await toolcache.cacheDir(path2, filename, version);
+  } catch (error3) {
+    logger.error(
+      `Failed to add proxy archive from ${path2} to toolcache: ${getErrorMessage(error3)}`
+    );
+    throw new StartProxyError("Failed to add proxy to toolcache" /* CacheFailed */);
+  }
+}
 
 // src/start-proxy-action.ts
 var KEY_SIZE = 2048;
@@ -119960,7 +119970,8 @@ async function getProxyBinaryPath(logger) {
     );
     const temp = await downloadProxy(logger, proxyInfo.url, authorization);
     const extracted = await extractProxy(logger, temp);
-    proxyBin = await toolcache2.cacheDir(
+    proxyBin = await cacheProxy(
+      logger,
       extracted,
       proxyFileName,
       proxyInfo.version