Windows test framework crash

[Simon Peyton-Jones]

At the very end of the log of a validate run I got this.  Any ideas?

Windows, 32 bit.

Simon

Traceback (most recent call last):
  File "c:\code\HEAD\testsuite\driver\testlib.py", line 645, in do_test
    result = apply(func, [name,way] + args)
  File "c:\code\HEAD\testsuite\driver\testlib.py", line 877, in compile_and_run
    return compile_and_run__( name, way, '', [], extra_hc_opts)
  File "c:\code\HEAD\testsuite\driver\testlib.py", line 874, in compile_and_run__
    return simple_run( name, way, cmd, getTestOpts().extra_run_opts )
  File "c:\code\HEAD\testsuite\driver\testlib.py", line 1064, in simple_run
    dump_stdout(name)
  File "c:\code\HEAD\testsuite\driver\testlib.py", line 1318, in dump_stdout
    print read_no_crs(qualify(name, 'run.stdout'))
  File "c:\code\HEAD\testsuite\driver\testlib.py", line 1343, in read_no_crs
    h = open(file)
IOError: [Errno 2] No such file or directory: './driver/5313.run.stdout'
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