ci: failure in win64 unit tests #30792

1. 
   fanquake commented at 5:12 pm on September 2, 2024: member

   Seen in https://cirrus-ci.com/task/6387064294342656?logs=ci#L2492:

    0127/135 Test [#129](/bitcoin-bitcoin/129/): spend_tests ..........................   Passed    9.85 sec
    1128/135 Test [#135](/bitcoin-bitcoin/135/): db_tests .............................   Passed    3.32 sec
    2129/135 Test   [#1](/bitcoin-bitcoin/1/): util_test_runner .....................***Failed  154.46 sec
    32024-09-02 15:49:05,155 - ERROR - Error parsing command output as hex: non-hexadecimal number found in fromhex() arg at position 1
    42024-09-02 15:49:30,298 - ERROR - FAILED_TESTCASES:
    5['Creates a new transaction with one input, one address output and one data (zero value) output']
    6
    7130/135 Test [#134](/bitcoin-bitcoin/134/): walletload_tests .....................   Passed    6.06 sec
    8131/135 Test [#131](/bitcoin-bitcoin/131/): wallet_tests .........................   Passed   16.91 sec
    9132/135 Test [#121](/bitcoin-bitcoin/121/): coinselector_tests ...................   Passed   35.08 sec
   10133/135 Test   [#5](/bitcoin-bitcoin/5/): noverify_tests .......................   Passed  186.81 sec
   11134/135 Test   [#6](/bitcoin-bitcoin/6/): tests ................................   Passed  264.45 sec
   12135/135 Test  [#10](/bitcoin-bitcoin/10/): allocator_tests ......................   Passed  266.16 sec
   13
   1499% tests passed, 1 tests failed out of 135
   15
   16Total Test time (real) = 266.20 sec
   17
   18The following tests FAILED:
   19	  1 - util_test_runner (Failed)
   20Errors while running CTest
   

2. maflcko added the label CI failed on Sep 3, 2024
3. maflcko added the label Windows on Sep 3, 2024
4. 
   maflcko commented at 8:29 am on September 3, 2024: member

   Interesting. I re-ran it 12 times on the same config/commit, but it passed every time: https://cirrus-ci.com/task/6025886804213760

   It would be nice if the test failure was a bit more verbose to show the full traceback, as well as all values involved.

5. 
   fanquake commented at 8:49 am on September 6, 2024: member

   I wonder if it was an intermittent wine related issue, but the output was missing. Similar to something like: https://cirrus-ci.com/task/6309656165875712.
6. 
   maflcko commented at 9:38 am on September 6, 2024: member

   Yeah, possibly. I wonder why there is a presumed increase in those errors recently.

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Windows CI failed