Diagnosed failure

SubprocessServerTest.TestBasicCall: Unrecognized error type. Please see the error log for more information.

Full log

[==========] Running 11 tests from 1 test suite.
[----------] Global test environment set-up.
[----------] 11 tests from SubprocessServerTest
[ RUN      ] SubprocessServerTest.TestBasicCall
WARNING: Logging before InitGoogleLogging() is written to STDERR
I20260811 02:32:46.170063 10138 server.cc:273] Received an EOF from the subprocess
I20260811 02:32:46.170293 10139 server.cc:440] outbound queue shut down: Aborted: 
I20260811 02:32:46.170305 10131 server.cc:366] get failed, inbound queue shut down: Aborted: 
F20260811 02:32:46.170280 10110 server.cc:401] Check failed: _s.ok() Bad status: Runtime error: Unable to wait on child: No child processes (error 10)
*** Check failure stack trace: ***
I20260811 02:32:46.170336 10137 server.cc:366] get failed, inbound queue shut down: Aborted: 
*** Aborted at 1786415566 (unix time) try "date -d @1786415566" if you are using GNU date ***
I20260811 02:32:46.170311 10134 server.cc:366] get failed, inbound queue shut down: Aborted: 
PC: @                0x0 (unknown)
*** SIGABRT (@0x3e800002772) received by PID 10098 (TID 0x7fa557ee3700) from PID 10098; stack trace: ***
    @     0x7fa55c7dea46 google::(anonymous namespace)::FailureSignalHandler() at ??:0
    @     0x7fa55b2c6980 (unknown) at ??:0
    @     0x7fa55af01e87 gsignal at ??:0
    @     0x7fa55af037f1 abort at ??:0
    @     0x7fa55c7d09ad google::LogMessage::Fail() at ??:0
    @     0x7fa55c7d388a google::LogMessage::SendToLog() at ??:0
    @     0x7fa55c7d04de google::LogMessage::Flush() at ??:0
    @     0x7fa55c7d1a19 google::LogMessageFatal::~LogMessageFatal() at ??:0
    @     0x7fa55ed4357d kudu::subprocess::SubprocessServer::ExitCheckerThread() at ??:0
    @     0x7fa55e321954 kudu::Thread::SuperviseThread() at ??:0
    @     0x7fa55b2bb6db start_thread at ??:0
    @     0x7fa55afe461f clone at ??:0