userland: show stdout again?

run

@@ -203,13 +203,12 @@ Run QEMU with VNC instead of the default SDL. Connect to it with:
         )
 
     def timed_main(self):
+        show_stdout = True
         # Common qemu / gem5 logic.
         # nokaslr:
         # * https://unix.stackexchange.com/questions/397939/turning-off-kaslr-to-debug-linux-kernel-using-qemu-and-gdb
         # * https://stackoverflow.com/questions/44612822/unable-to-debug-kernel-with-qemu-gdb/49840927#49840927
         #   Turned on by default since v4.12
-        raise_on_failure = True
-        show_stdout = True
         kernel_cli = 'console_msg_format=syslog nokaslr norandmaps panic=-1 printk.devkmsg=on printk.time=y rw'
         if self.env['kernel_cli'] is not None:
             kernel_cli += ' {}'.format(self.env['kernel_cli'])
@@ -427,8 +426,6 @@ Run QEMU with VNC instead of the default SDL. Connect to it with:
                     qemu_user_and_system_options +
                     debug_args
                 )
-                show_stdout = False
-                raise_on_failure = False
             else:
                 if not os.path.exists(self.env['image']):
                     raise_image_not_found()
@@ -600,7 +597,7 @@ Run QEMU with VNC instead of the default SDL. Connect to it with:
             cmd_file=self.env['run_cmd_file'],
             extra_env=extra_env,
             out_file=out_file,
-            raise_on_failure=raise_on_failure,
+            raise_on_failure=False,
             show_stdout=show_stdout,
         )
         if exit_status == 0: