debug travis

dlib/travis/build-and-test.sh

@@ -33,9 +33,13 @@ fi
 # The point of this test is just to make sure the cmake scripts work with the
 # oldest version of cmake we are supposed to support.
 if [ "$VARIANT" = "old-cmake" ]; then
-  find .
   mkdir build
   cd build
+  ls ..
+  ls ../cmake
+  ls ../cmake/2.8
+  ls ../cmake/2.8/bin/
+  ls -l ../cmake/2.8/bin/cmake
   ../cmake/2.8/bin/cmake ../dlib/test/tools 
   ../cmake/2.8/bin/cmake --build .  -- -j 2