Something started crashing my windows runs about 7hrs ago.

Happens on both development and master...did the toolset change?
Tom

...updated 1 target...
C:/local/teeks99-02/h/tools_bb/src/tools\msvc.jam:1057: in configure-really
*** argument error
* rule locate-default-setup ( command : parent : setup-name )
* called with: (  : C:\Program Files (x86)\Microsoft Visual Studio 8\VC\WPSDK : vcvarsphoneall.bat )
* missing argument command
C:/local/teeks99-02/h/tools_bb/src/tools\msvc.jam:1446:see definition of rule 'locate-default-setup' being called
C:/local/teeks99-02/h/tools_bb/src/tools\msvc.jam:200: in configure
C:/local/teeks99-02/h/tools_bb/src/tools\msvc.jam:152: in msvc.init
C:/local/teeks99-02/h/tools_bb/src/build\toolset.jam:43: in toolset.using
C:/local/teeks99-02/h/tools_bb/src/build\project.jam:1007: in using
C:\Users\Administrator\user-config.jam:1: in modules.load
C:/local/teeks99-02/h/tools_bb/src\build-system.jam:249: in load-config
C:/local/teeks99-02/h/tools_bb/src\build-system.jam:389: in load-configuration-files
C:/local/teeks99-02/h/tools_bb/src\build-system.jam:524: in load
C:\local\teeks99-02\h\tools_bb\src/kernel\modules.jam:289: in import
C:\local\teeks99-02\h\tools_bb\src/kernel/bootstrap.jam:139: in boost-build
C:\local\teeks99-02\h\boost_root\boost-build.jam:17: in module scope
# Searching for "process_jam_log.exe" in "C:\local\teeks99-02\h\boost_root\tools\regression\build"...
Traceback (most recent call last):
  File "run.py", line 83, in <module>
    runner(root)
  File "C:\local\teeks99-02\h\tools_regression_src\regression.py", line 264, in __init__
    self.main()
  File "C:\local\teeks99-02\h\tools_regression_src\regression.py", line 650, in main
    getattr(self,action_m)()
  File "C:\local\teeks99-02\h\tools_regression_src\regression.py", line 607, in command_regression
    self.command_setup()
  File "C:\local\teeks99-02\h\tools_regression_src\regression.py", line 377, in command_setup
    self.build_if_needed(self.process_jam_log,self.pjl_toolset)
  File "C:\local\teeks99-02\h\tools_regression_src\regression.py", line 749, in build_if_needed
    tool[ 'build_path' ] = self.tool_path( tool )
  File "C:\local\teeks99-02\h\tools_regression_src\regression.py", line 774, in tool_path
    , '\n'.join( [ name_or_spec[ 'path' ], build_dir ] )
Exception: Cannot find "process_jam_log.exe" in any of the following locations:
C:\local\teeks99-02\h\process_jam_log.exe
C:\local\teeks99-02\h\boost_root\tools\regression\build
Stopping runs because file: 'stop_runs.on' exists

C:\local\teeks99-02>