catch exceptions reading config file

Author: Green-Avocado

lib/index.js

@@ -452,9 +452,13 @@ class RustLanguageClient extends AutoLanguageClient {
     // Don't build straight after initialize, wait for first `workspace/didChangeConfiguration`
     params.initializationOptions.omitInitBuild = true
 
-    let rlsConfigPath = path.join(projectPath, "rust-analyzer.json")
-    let options = fs.readFileSync(rlsConfigPath)
-    Object.assign(params.initializationOptions, JSON.parse(options))
+    try {
+        let rlsConfigPath = path.join(projectPath, "rust-analyzer.json")
+        let options = fs.readFileSync(rlsConfigPath)
+        Object.assign(params.initializationOptions, JSON.parse(options))
+    } catch(e) {
+        console.warn("Could not read config file")
+    }
 
     return params
   }