gistfile1.txt

thread '<main>' panicked at '[BUG] at this point there should always be a message: 1', ../src/libcore/option.rs:330
stack backtrace:
   1:     0x7f8eb8b7d98e - sys::backtrace::write::h42ae15d4d8dc9021Lqs
   2:     0x7f8eb8b810d5 - panicking::on_panic::h16e339088a7da9f0l8w
   3:     0x7f8eb8b7736e - rt::unwind::begin_unwind_inner::hb0ccf650c87729feZNw
   4:     0x7f8eb8b77ccc - rt::unwind::begin_unwind_fmt::he51a7264215a12fc5Mw
   5:     0x7f8eb8b80ac6 - rust_begin_unwind
   6:     0x7f8eb8bac824 - panicking::panic_fmt::h6cd1cd2e7f8c91c019B
   7:     0x7f8eb8b729ce - event_loop::EventLoop<H>::run_once::h15461418731634333358
   8:     0x7f8eb8b66b10 - main::hb66fa02c4781964cCda
   9:     0x7f8eb8b85f68 - rust_try_inner
  10:     0x7f8eb8b85f55 - rust_try
  11:     0x7f8eb8b82c08 - rt::lang_start::h5cc45221c651f24bi3w
  12:     0x7f8eb839fb44 - __libc_start_main
  13:     0x7f8eb8b59228 - <unknown>
  14:                0x0 - <unknown>
An unknown error occurred