logs: use stream.destroy() instead of custom hooks

src/services.js

@@ -474,7 +474,7 @@ async function getServiceLogs(id, options) {
     }
 
     const logStream = new logs.LogStream({ format: options.format || 'json', source: name });
-    logStream.close = cp.terminate; // closing stream kills the child process
+    logStream.on('close', () => cp.terminate()); // the caller has to call destroy() on logStream. destroy() of Transform emits 'close'
 
     cp.stdout.pipe(logStream);