I don't have much time to investigate now, but I just noticed that my linux-development runners are failing immediately upon starting with the dreaded non-descript any_test.test not found.

# Starting tests ("/home/tomkent/teeks99-04/b/tools_bb/src/engine/bin.linuxx86_64/bjam" "-sBOOST_BUILD_PATH=/home/tomkent/teeks99-04/b:/home/tomkent/teeks99-04/b/tools_bb/src" "-sBOOST_ROOT=/home/tomkent/teeks99-04/b/boost_root" "--boost=/home/tomkent/teeks99-04/b/boost_root" "--boost-build=/home/tomkent/teeks99-04/b/tools_bb/src" "--debug-configuration"  -l300 toolset=clang-3.4 -d2 preserve-test-targets=off --dump-tests -j2 -m64 "--build-dir=/home/tomkent/teeks99-04/b/results" >>"/home/tomkent/teeks99-04/b/results/bjam.log" 2>&1)...
# Running Boost.Build tests
Traceback (most recent call last):
  File "run.py", line 83, in <module>
    runner(root)
  File "/home/tomkent/teeks99-04/b/tools_regression_src/regression.py", line 264, in __init__
    self.main()
  File "/home/tomkent/teeks99-04/b/tools_regression_src/regression.py", line 650, in main
    getattr(self,action_m)()
  File "/home/tomkent/teeks99-04/b/tools_regression_src/regression.py", line 615, in command_regression
    self.command_test()
  File "/home/tomkent/teeks99-04/b/tools_regression_src/regression.py", line 394, in command_test
    self.command_test_boost_build()
  File "/home/tomkent/teeks99-04/b/tools_regression_src/regression.py", line 438, in command_test_boost_build
    "boost/bin.v2/libs/any/test/any_test.test"));
OSError: [Errno 2] No such file or directory: '/home/tomkent/teeks99-04/b/results/boost/bin.v2/libs/any/test/any_test.test'


From the log:

$ tail results/bjam.log
boost-test(RUN) "thread/test_8600" : "libs/thread/test/test_8600.cpp"
boost-test(RUN) "thread/test_8600_lib" : "libs/thread/test/test_8600.cpp" "libs/thread/src/tss_null.cpp"
error: at /home/tomkent/teeks99-04/b/tools_bb/src/kernel/modules.jam:107
error: Unable to find file or target named
error:     'test_10125.cpp'
error: referred to from project at
error:     '../libs/thread/test'

Tom