https://build.chromium.org/p/chromium.fyi/builders/WebKit%20Win%20-%20WPTServe
The bot doesn't run layout tests at all recently.



https://build.chromium.org/p/chromium.fyi/builders/WebKit%20Win%20-%20WPTServe/builds/7872/steps/webkit_tests/logs/stdio


00:32:42.522 2952 Starting WPTServe ...
00:32:42.522 2952 all ports are available
00:32:42.522 2952 Starting wptserve server, cmd="['E:\\b\\depot_tools\\python276_bin\\python.exe', '-u', 'E:\\b\\c\\b\\WebKit_Win___WPTServe\\src\\third_party\\WebKit\\Tools\\Scripts\\webkitpy\\thirdparty\\wpt\\wpt\\serve', '--config', 'E:\\b\\c\\b\\WebKit_Win___WPTServe\\src\\third_party\\WebKit\\Tools\\Scripts\\webkitpy\\thirdparty\\wpt\\wpt.config.json', '--doc_root', 'E:\\b\\c\\b\\WebKit_Win___WPTServe\\src\\third_party\\WebKit\\LayoutTests\\imported\\wpt']"
00:32:43.567 2952 Server NOT running on 8001: [Errno 10061] No connection could be made because the target machine actively refused it
00:32:43.567 2952 Waiting for action: <bound method WPTServe._is_server_running_on_all_ports of <webkitpy.layout_tests.servers.wptserve.WPTServe object at 0x06B6D490>>
00:32:45.595 2952 Server NOT running on 8001: [Errno 10061] No connection could be made because the target machine actively refused it
00:32:45.595 2952 Waiting for action: <bound method WPTServe._is_server_running_on_all_ports of <webkitpy.layout_tests.servers.wptserve.WPTServe object at 0x06B6D490>>
00:32:47.623 2952 Server NOT running on 8001: [Errno 10061] No connection could be made because the target machine actively refused it
00:32:47.623 2952 Waiting for action: <bound method WPTServe._is_server_running_on_all_ports of <webkitpy.layout_tests.servers.wptserve.WPTServe object at 0x06B6D490>>
00:32:49.667 2952 Server NOT running on 8001: [Errno 10061] No connection could be made because the target machine actively refused it
00:32:49.667 2952 Waiting for action: <bound method WPTServe._is_server_running_on_all_ports of <webkitpy.layout_tests.servers.wptserve.WPTServe object at 0x06B6D490>>
00:32:51.695 2952 Server NOT running on 8001: [Errno 10061] No connection could be made because the target machine actively refused it
00:32:51.695 2952 Waiting for action: <bound method WPTServe._is_server_running_on_all_ports of <webkitpy.layout_tests.servers.wptserve.WPTServe object at 0x06B6D490>>
00:32:53.723 2952 Server NOT running on 8001: [Errno 10061] No connection could be made because the target machine actively refused it
00:32:53.723 2952 Waiting for action: <bound method WPTServe._is_server_running_on_all_ports of <webkitpy.layout_tests.servers.wptserve.WPTServe object at 0x06B6D490>>
00:32:55.766 2952 Server NOT running on 8001: [Errno 10061] No connection could be made because the target machine actively refused it
00:32:55.766 2952 Waiting for action: <bound method WPTServe._is_server_running_on_all_ports of <webkitpy.layout_tests.servers.wptserve.WPTServe object at 0x06B6D490>>
00:32:57.794 2952 Server NOT running on 8001: [Errno 10061] No connection could be made because the target machine actively refused it
00:32:57.794 2952 Waiting for action: <bound method WPTServe._is_server_running_on_all_ports of <webkitpy.layout_tests.servers.wptserve.WPTServe object at 0x06B6D490>>
00:32:59.822 2952 Server NOT running on 8001: [Errno 10061] No connection could be made because the target machine actively refused it
00:32:59.822 2952 Waiting for action: <bound method WPTServe._is_server_running_on_all_ports of <webkitpy.layout_tests.servers.wptserve.WPTServe object at 0x06B6D490>>
00:33:01.866 2952 Server NOT running on 8001: [Errno 10061] No connection could be made because the target machine actively refused it
00:33:01.866 2952 Waiting for action: <bound method WPTServe._is_server_running_on_all_ports of <webkitpy.layout_tests.servers.wptserve.WPTServe object at 0x06B6D490>>
00:33:02.880 2952 logging wptserve errors, if any
00:33:02.880 2952 wptserve returncode None
00:33:02.880 2952 wptserve no stderr handle
00:33:02.880 2952 wptserve no error log
00:33:02.880 2952 Flushing stdout
00:33:02.880 2952 Flushing stderr
00:33:02.880 2952 Stopping helper
00:33:02.880 2952 Cleaning up port
00:33:02.880 2952 Attempting to shut down CrashService server at pid 3652
00:33:02.880 2952 pid 3652 is running, killing it
00:33:03.067 2952 "taskkill.exe /f /t /pid 3652" took 0.19s
00:33:03.067 2952 Waiting for action: <bound method CrashService._check_and_kill of <webkitpy.layout_tests.servers.crash_service.CrashService object at 0x06B6D410>>
00:33:04.081 2952 pid 3652 is not running
00:33:04.081 2952 CrashService server at pid 3652 stopped

ServerError raised: Failed to start wptserve server
Traceback (most recent call last):
  File "E:\b\c\b\WebKit_Win___WPTServe\src\third_party\WebKit\Tools\Scripts\webkitpy\layout_tests\run_webkit_tests.py", line 68, in main
    return run(port, options, args, stderr, stdout).exit_code
  File "E:\b\c\b\WebKit_Win___WPTServe\src\third_party\WebKit\Tools\Scripts\webkitpy\layout_tests\run_webkit_tests.py", line 564, in run
    run_details = _run_tests(port, options, args, printer)
  File "E:\b\c\b\WebKit_Win___WPTServe\src\third_party\WebKit\Tools\Scripts\webkitpy\layout_tests\run_webkit_tests.py", line 555, in _run_tests
    return manager.run(args)
  File "E:\b\c\b\WebKit_Win___WPTServe\src\third_party\WebKit\Tools\Scripts\webkitpy\layout_tests\controllers\manager.py", line 130, in run
    self._start_servers(tests_to_run)
  File "E:\b\c\b\WebKit_Win___WPTServe\src\third_party\WebKit\Tools\Scripts\webkitpy\layout_tests\controllers\manager.py", line 375, in _start_servers
    self._port.start_wptserve()
  File "E:\b\c\b\WebKit_Win___WPTServe\src\third_party\WebKit\Tools\Scripts\webkitpy\layout_tests\port\base.py", line 1198, in start_wptserve
    server.start()
  File "E:\b\c\b\WebKit_Win___WPTServe\src\third_party\WebKit\Tools\Scripts\webkitpy\layout_tests\servers\server_base.py", line 111, in start
    raise ServerError('Failed to start %s server' % self._name)
ServerError: Failed to start wptserve server
step returned non-zero exit code: 255