Fix crashes in devices

src/device/filesystemdevice.cpp

@@ -26,6 +26,8 @@
 #include <QUrl>
 
 #include "core/application.h"
+#include "core/logging.h"
+
 #include "collection/collectionbackend.h"
 #include "collection/collectionmodel.h"
 #include "collection/collectionwatcher.h"
@@ -42,6 +44,7 @@ FilesystemDevice::FilesystemDevice(const QUrl &url, DeviceLister *lister, const
   watcher_->moveToThread(watcher_thread_);
   watcher_thread_->start(QThread::IdlePriority);
 
+  qLog(Debug) << __PRETTY_FUNCTION__ << unique_id;
   watcher_->set_device_name(manager->DeviceNameByID(unique_id));
   watcher_->set_backend(backend_);
   watcher_->set_task_manager(app_->task_manager());