The AMD64 Windows7 SP1 3.x buildbot randomly fails. Tests take a lot of time. I don't know if it's a slow hardware/VM, or if the system is very busy. By the way, regrtest is run with -j4 (run 4 tests in parallel).

Example of errors:

http://buildbot.python.org/all/builders/AMD64%20Windows7%20SP1%203.x/builds/6773/steps/test/logs/stdio
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...
[396/399] test_long -- running: test_lib2to3 (102 sec), test_strptime (54 sec)
[397/399] test_source_encoding -- running: test_lib2to3 (102 sec), test_strptime (54 sec)
running: test_lib2to3 (162 sec), test_strptime (114 sec)
[398/399] test_lib2to3 (205 sec) -- running: test_strptime (159 sec)

command timed out: 3900 seconds without output, attempting to kill
program finished with exit code 1
elapsedTime=4929.577000
---


http://buildbot.python.org/all/builders/AMD64%20Windows7%20SP1%203.x/builds/6783/steps/test/logs/stdio
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...
[392/399] test_wait3 -- running: test_tools (247 sec), test_strptime (770 sec)
[393/399] test_httplib -- running: test_tools (253 sec), test_strptime (776 sec)
[394/399] test_strtod -- running: test_tools (254 sec), test_strptime (777 sec)
[395/399] test_fork1 -- running: test_tools (255 sec), test_strptime (777 sec)
[396/399] test_xmlrpc -- running: test_tools (263 sec), test_strptime (785 sec)
[397/399] test_multiprocessing_main_handling -- running: test_tools (271 sec), test_strptime (794 sec)
running: test_tools (331 sec), test_strptime (854 sec)
[398/399] test_tools (337 sec) -- running: test_strptime (861 sec)

command timed out: 3900 seconds without output, attempting to kill
program finished with exit code 1
elapsedTime=5068.979000
---