Handle exceptional _promptToUpdateToolchain() result

Author: alexheretic

lib/index.js

@@ -418,20 +418,21 @@ class RustLanguageClient extends AutoLanguageClient {
           .then(() => checkRls(this.busySignalService))
           .then(() => this._restartLanguageServers(`Switched Rls toolchain to \`${newValue}\``))
           .then(() => this._promptToUpdateToolchain())
+          .catch(e => e && console.warn(e))
       }, 1000)
     ))
 
     // watch config toolchain updates -> check for updates if enabling
     this.disposables.add(atom.config.onDidChange('ide-rust.checkForToolchainUpdates',
       ({ newValue: enabled }) => {
-        if (enabled) this._promptToUpdateToolchain()
+        if (enabled) this._promptToUpdateToolchain().catch(e => e && console.warn(e))
       }
     ))
 
     // check for updates (if enabled) every so often
     let periodicUpdateTimeoutId
-    const periodicUpdate = () => {
-      this._promptToUpdateToolchain()
+    const periodicUpdate = async () => {
+      await this._promptToUpdateToolchain().catch(e => e && console.warn(e))
       periodicUpdateTimeoutId = setTimeout(periodicUpdate, PERIODIC_UPDATE_CHECK_MILLIS)
     }
     this.disposables.add(new Disposable(() => {