Checking patch support/tst-support_descriptors.c...
error: while searching for:
  support_capture_subprocess_free (&proc);
  free (expected);

  expected = xasprintf ("\nDifferences:\n"
                        "error: descriptor %d changed from \"/dev/null\""
                        " to \"/dev\"\n"
                        "error: descriptor %d changed ino ",
                        free_descriptor, free_descriptor);
  good = good && !support_record_failure_is_failed ();
  proc = support_capture_subprocess (&subprocess_changed_descriptor, NULL);
  good = good && support_record_failure_is_failed ();
  support_record_failure_reset (); /* Discard the reported error.  */
  report_subprocess_output ("subprocess_changed_descriptor", &proc);
  TEST_VERIFY (strstr (proc.out.buffer, expected) != NULL);
  support_capture_subprocess_check (&proc, "subprocess_changed_descriptor",
                                    0, sc_allow_stdout);
  support_capture_subprocess_free (&proc);
  free (expected);
}

static int

error: patch failed: support/tst-support_descriptors.c:128
error: support/tst-support_descriptors.c: patch does not apply