Test results for Appveyor job #808.3

FAILED!

Num tests: 25, in job 808.3!

test_acronyms

Got exception <class 'ValueError'>(could not convert string to float: b'0 (0)')

Traceback:
  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 433, in run_test_async
    _, failed_pages = await test_pdf_pair_async(
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 215, in test_pdf_pair_async
    page_num, pngs_are_equal = await png_future
                               ^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 128, in test_pdf_page_pair_async
    pngs_are_equal = await png_comparer.compare_png_images_async(
                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\buildtools\imagemagick.py", line 33, in compare_png_images_async
    ae_diff = int(float(stderr[0]))
                  ^^^^^^^^^^^^^^^^

test_custom_autoref

Got exception <class 'ValueError'>(could not convert string to float: b'0 (0)')

Traceback:
  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 433, in run_test_async
    _, failed_pages = await test_pdf_pair_async(
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 215, in test_pdf_pair_async
    page_num, pngs_are_equal = await png_future
                               ^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 128, in test_pdf_page_pair_async
    pngs_are_equal = await png_comparer.compare_png_images_async(
                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\buildtools\imagemagick.py", line 33, in compare_png_images_async
    ae_diff = int(float(stderr[0]))
                  ^^^^^^^^^^^^^^^^

test_printglossary_without_fix

Got exception <class 'ValueError'>(could not convert string to float: b'0 (0)')

Traceback:
  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 433, in run_test_async
    _, failed_pages = await test_pdf_pair_async(
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 215, in test_pdf_pair_async
    page_num, pngs_are_equal = await png_future
                               ^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 128, in test_pdf_page_pair_async
    pngs_are_equal = await png_comparer.compare_png_images_async(
                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\buildtools\imagemagick.py", line 33, in compare_png_images_async
    ae_diff = int(float(stderr[0]))
                  ^^^^^^^^^^^^^^^^

test_printglossary_with_fix

Got exception <class 'ValueError'>(could not convert string to float: b'0 (0)')

Traceback:
  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 433, in run_test_async
    _, failed_pages = await test_pdf_pair_async(
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 215, in test_pdf_pair_async
    page_num, pngs_are_equal = await png_future
                               ^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 128, in test_pdf_page_pair_async
    pngs_are_equal = await png_comparer.compare_png_images_async(
                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\buildtools\imagemagick.py", line 33, in compare_png_images_async
    ae_diff = int(float(stderr[0]))
                  ^^^^^^^^^^^^^^^^

test_tikz_externalize_fix

Got exception <class 'ValueError'>(could not convert string to float: b'0 (0)')

Traceback:
  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 433, in run_test_async
    _, failed_pages = await test_pdf_pair_async(
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 215, in test_pdf_pair_async
    page_num, pngs_are_equal = await png_future
                               ^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 128, in test_pdf_page_pair_async
    pngs_are_equal = await png_comparer.compare_png_images_async(
                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\buildtools\imagemagick.py", line 33, in compare_png_images_async
    ae_diff = int(float(stderr[0]))
                  ^^^^^^^^^^^^^^^^

test_upsc

Got exception <class 'ValueError'>(could not convert string to float: b'0 (0)')

Traceback:
  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 433, in run_test_async
    _, failed_pages = await test_pdf_pair_async(
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 215, in test_pdf_pair_async
    page_num, pngs_are_equal = await png_future
                               ^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 128, in test_pdf_page_pair_async
    pngs_are_equal = await png_comparer.compare_png_images_async(
                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\buildtools\imagemagick.py", line 33, in compare_png_images_async
    ae_diff = int(float(stderr[0]))
                  ^^^^^^^^^^^^^^^^

listings/test_custom_listings_caption_1

Got exception <class 'ValueError'>(could not convert string to float: b'0 (0)')

Traceback:
  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 433, in run_test_async
    _, failed_pages = await test_pdf_pair_async(
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 215, in test_pdf_pair_async
    page_num, pngs_are_equal = await png_future
                               ^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 128, in test_pdf_page_pair_async
    pngs_are_equal = await png_comparer.compare_png_images_async(
                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\buildtools\imagemagick.py", line 33, in compare_png_images_async
    ae_diff = int(float(stderr[0]))
                  ^^^^^^^^^^^^^^^^

listings/test_custom_listings_caption_2

Got exception <class 'ValueError'>(could not convert string to float: b'0 (0)')

Traceback:
  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 433, in run_test_async
    _, failed_pages = await test_pdf_pair_async(
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 215, in test_pdf_pair_async
    page_num, pngs_are_equal = await png_future
                               ^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 128, in test_pdf_page_pair_async
    pngs_are_equal = await png_comparer.compare_png_images_async(
                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\buildtools\imagemagick.py", line 33, in compare_png_images_async
    ae_diff = int(float(stderr[0]))
                  ^^^^^^^^^^^^^^^^

listings/test_custom_listings_caption_3

Got exception <class 'ValueError'>(could not convert string to float: b'0 (0)')

Traceback:
  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 433, in run_test_async
    _, failed_pages = await test_pdf_pair_async(
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 215, in test_pdf_pair_async
    page_num, pngs_are_equal = await png_future
                               ^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 128, in test_pdf_page_pair_async
    pngs_are_equal = await png_comparer.compare_png_images_async(
                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\buildtools\imagemagick.py", line 33, in compare_png_images_async
    ae_diff = int(float(stderr[0]))
                  ^^^^^^^^^^^^^^^^

listings/test_custom_listings_caption_hyperref_1

Got exception <class 'ValueError'>(could not convert string to float: b'0 (0)')

Traceback:
  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 433, in run_test_async
    _, failed_pages = await test_pdf_pair_async(
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 215, in test_pdf_pair_async
    page_num, pngs_are_equal = await png_future
                               ^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 128, in test_pdf_page_pair_async
    pngs_are_equal = await png_comparer.compare_png_images_async(
                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\buildtools\imagemagick.py", line 33, in compare_png_images_async
    ae_diff = int(float(stderr[0]))
                  ^^^^^^^^^^^^^^^^

listings/test_custom_listings_caption_hyperref_2

Got exception <class 'ValueError'>(could not convert string to float: b'0 (0)')

Traceback:
  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 433, in run_test_async
    _, failed_pages = await test_pdf_pair_async(
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 215, in test_pdf_pair_async
    page_num, pngs_are_equal = await png_future
                               ^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 128, in test_pdf_page_pair_async
    pngs_are_equal = await png_comparer.compare_png_images_async(
                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\buildtools\imagemagick.py", line 33, in compare_png_images_async
    ae_diff = int(float(stderr[0]))
                  ^^^^^^^^^^^^^^^^

listings/test_custom_listings_caption_hyperref_3

Got exception <class 'ValueError'>(could not convert string to float: b'0 (0)')

Traceback:
  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 433, in run_test_async
    _, failed_pages = await test_pdf_pair_async(
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 215, in test_pdf_pair_async
    page_num, pngs_are_equal = await png_future
                               ^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 128, in test_pdf_page_pair_async
    pngs_are_equal = await png_comparer.compare_png_images_async(
                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\buildtools\imagemagick.py", line 33, in compare_png_images_async
    ae_diff = int(float(stderr[0]))
                  ^^^^^^^^^^^^^^^^

listings/test_custom_listings_caption_hyperref_4

Got exception <class 'ValueError'>(could not convert string to float: b'0 (0)')

Traceback:
  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 433, in run_test_async
    _, failed_pages = await test_pdf_pair_async(
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 215, in test_pdf_pair_async
    page_num, pngs_are_equal = await png_future
                               ^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 128, in test_pdf_page_pair_async
    pngs_are_equal = await png_comparer.compare_png_images_async(
                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\buildtools\imagemagick.py", line 33, in compare_png_images_async
    ae_diff = int(float(stderr[0]))
                  ^^^^^^^^^^^^^^^^

listings/test_custom_listings_caption_hyperref_5

Got exception <class 'ValueError'>(could not convert string to float: b'0 (0)')

Traceback:
  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 433, in run_test_async
    _, failed_pages = await test_pdf_pair_async(
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 215, in test_pdf_pair_async
    page_num, pngs_are_equal = await png_future
                               ^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 128, in test_pdf_page_pair_async
    pngs_are_equal = await png_comparer.compare_png_images_async(
                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\buildtools\imagemagick.py", line 33, in compare_png_images_async
    ae_diff = int(float(stderr[0]))
                  ^^^^^^^^^^^^^^^^

listings/test_custom_listings_caption_hyperref_6

Got exception <class 'ValueError'>(could not convert string to float: b'0 (0)')

Traceback:
  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 433, in run_test_async
    _, failed_pages = await test_pdf_pair_async(
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 215, in test_pdf_pair_async
    page_num, pngs_are_equal = await png_future
                               ^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 128, in test_pdf_page_pair_async
    pngs_are_equal = await png_comparer.compare_png_images_async(
                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\buildtools\imagemagick.py", line 33, in compare_png_images_async
    ae_diff = int(float(stderr[0]))
                  ^^^^^^^^^^^^^^^^

listings/test_custom_listings_hyperref_1

Got exception <class 'ValueError'>(could not convert string to float: b'0 (0)')

Traceback:
  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 433, in run_test_async
    _, failed_pages = await test_pdf_pair_async(
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 215, in test_pdf_pair_async
    page_num, pngs_are_equal = await png_future
                               ^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 128, in test_pdf_page_pair_async
    pngs_are_equal = await png_comparer.compare_png_images_async(
                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\buildtools\imagemagick.py", line 33, in compare_png_images_async
    ae_diff = int(float(stderr[0]))
                  ^^^^^^^^^^^^^^^^

listings/test_custom_listings_hyperref_2

Got exception <class 'ValueError'>(could not convert string to float: b'0 (0)')

Traceback:
  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 433, in run_test_async
    _, failed_pages = await test_pdf_pair_async(
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 215, in test_pdf_pair_async
    page_num, pngs_are_equal = await png_future
                               ^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 128, in test_pdf_page_pair_async
    pngs_are_equal = await png_comparer.compare_png_images_async(
                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\buildtools\imagemagick.py", line 33, in compare_png_images_async
    ae_diff = int(float(stderr[0]))
                  ^^^^^^^^^^^^^^^^

listings/test_custom_listings_hyperref_3

Got exception <class 'ValueError'>(could not convert string to float: b'0 (0)')

Traceback:
  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 433, in run_test_async
    _, failed_pages = await test_pdf_pair_async(
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 215, in test_pdf_pair_async
    page_num, pngs_are_equal = await png_future
                               ^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 128, in test_pdf_page_pair_async
    pngs_are_equal = await png_comparer.compare_png_images_async(
                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\buildtools\imagemagick.py", line 33, in compare_png_images_async
    ae_diff = int(float(stderr[0]))
                  ^^^^^^^^^^^^^^^^

listings/test_custom_listings_hyperref_caption_1

Got exception <class 'ValueError'>(could not convert string to float: b'0 (0)')

Traceback:
  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 433, in run_test_async
    _, failed_pages = await test_pdf_pair_async(
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 215, in test_pdf_pair_async
    page_num, pngs_are_equal = await png_future
                               ^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 128, in test_pdf_page_pair_async
    pngs_are_equal = await png_comparer.compare_png_images_async(
                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\buildtools\imagemagick.py", line 33, in compare_png_images_async
    ae_diff = int(float(stderr[0]))
                  ^^^^^^^^^^^^^^^^

listings/test_custom_listings_hyperref_caption_2

Got exception <class 'ValueError'>(could not convert string to float: b'0 (0)')

Traceback:
  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 433, in run_test_async
    _, failed_pages = await test_pdf_pair_async(
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 215, in test_pdf_pair_async
    page_num, pngs_are_equal = await png_future
                               ^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 128, in test_pdf_page_pair_async
    pngs_are_equal = await png_comparer.compare_png_images_async(
                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\buildtools\imagemagick.py", line 33, in compare_png_images_async
    ae_diff = int(float(stderr[0]))
                  ^^^^^^^^^^^^^^^^

listings/test_custom_listings_hyperref_caption_3

Got exception <class 'ValueError'>(could not convert string to float: b'0 (0)')

Traceback:
  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 433, in run_test_async
    _, failed_pages = await test_pdf_pair_async(
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 215, in test_pdf_pair_async
    page_num, pngs_are_equal = await png_future
                               ^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 128, in test_pdf_page_pair_async
    pngs_are_equal = await png_comparer.compare_png_images_async(
                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\buildtools\imagemagick.py", line 33, in compare_png_images_async
    ae_diff = int(float(stderr[0]))
                  ^^^^^^^^^^^^^^^^

listings/test_custom_listings_hyperref_caption_4

Got exception <class 'ValueError'>(could not convert string to float: b'0 (0)')

Traceback:
  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 433, in run_test_async
    _, failed_pages = await test_pdf_pair_async(
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 215, in test_pdf_pair_async
    page_num, pngs_are_equal = await png_future
                               ^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 128, in test_pdf_page_pair_async
    pngs_are_equal = await png_comparer.compare_png_images_async(
                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\buildtools\imagemagick.py", line 33, in compare_png_images_async
    ae_diff = int(float(stderr[0]))
                  ^^^^^^^^^^^^^^^^

listings/test_custom_listings_hyperref_caption_5

Got exception <class 'ValueError'>(could not convert string to float: b'0 (0)')

Traceback:
  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 433, in run_test_async
    _, failed_pages = await test_pdf_pair_async(
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 215, in test_pdf_pair_async
    page_num, pngs_are_equal = await png_future
                               ^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 128, in test_pdf_page_pair_async
    pngs_are_equal = await png_comparer.compare_png_images_async(
                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\buildtools\imagemagick.py", line 33, in compare_png_images_async
    ae_diff = int(float(stderr[0]))
                  ^^^^^^^^^^^^^^^^

listings/test_custom_listings_hyperref_caption_6

Got exception <class 'ValueError'>(could not convert string to float: b'0 (0)')

Traceback:
  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 433, in run_test_async
    _, failed_pages = await test_pdf_pair_async(
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 215, in test_pdf_pair_async
    page_num, pngs_are_equal = await png_future
                               ^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 128, in test_pdf_page_pair_async
    pngs_are_equal = await png_comparer.compare_png_images_async(
                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\buildtools\imagemagick.py", line 33, in compare_png_images_async
    ae_diff = int(float(stderr[0]))
                  ^^^^^^^^^^^^^^^^

listings/test_custom_listings_no_hyperref_or_caption

Got exception <class 'ValueError'>(could not convert string to float: b'0 (0)')

Traceback:
  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 433, in run_test_async
    _, failed_pages = await test_pdf_pair_async(
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 215, in test_pdf_pair_async
    page_num, pngs_are_equal = await png_future
                               ^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\testengine.py", line 128, in test_pdf_page_pair_async
    pngs_are_equal = await png_comparer.compare_png_images_async(
                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

  File "C:\projects\ult-base\test-scripts\ltxpect\buildtools\imagemagick.py", line 33, in compare_png_images_async
    ae_diff = int(float(stderr[0]))
                  ^^^^^^^^^^^^^^^^