The Buildbot has detected a new failure on builder iOS ARM64 Simulator 3.x while building python/cpython. Full details are available at: https://buildbot.python.org/#/builders/1380/builds/1031

Buildbot URL: https://buildbot.python.org/

Worker for this Build: rkm-arm64-ios-simulator

Build Reason: <unknown> Blamelist: Erlend E. Aasland <erlend@python.org>

BUILD FAILED: failed test (failure)

Summary of the results of the build (if available):

==

Captured traceback

Traceback (most recent call last): File "/Users/buildbot/Library/Developer/XCTestDevices/470A6997-6289-490D-8790-8230D1CCE4B6/data/Containers/Bundle/Application/25666C5F-D711-409C-9337-66FF62AC058E/iOSTestbed.app/python/lib/python3.14/test/test_socket.py", line 6963, in test_dual_stack_client_v6 with socket.create_server(("", port), family=socket.AF_INET6, ~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ dualstack_ipv6=True) as sock: ^^^^^^^^^^^^^^^^^^^^ File "/Users/buildbot/Library/Developer/XCTestDevices/470A6997-6289-490D-8790-8230D1CCE4B6/data/Containers/Bundle/Application/25666C5F-D711-409C-9337-66FF62AC058E/iOSTestbed.app/python/lib/python3.14/socket.py", line 947, in create_server raise error(err.errno, msg) from None OSError: [Errno 48] Address already in use (while attempting to bind on address ('', 62300))

Test report

Failed tests:

• test_socket

Failed subtests:

• test_dual_stack_client_v6 - test.test_socket.CreateServerFunctionalTest.test_dual_stack_client_v6

Sincerely, -The Buildbot