Is this intended behavior?

[alxest]

~/Documents/llvmscript(master*) » python3 run.py build --cfg examples/llvm.json --build relassert --core 8                                                                                     youngjus@youngju-pc
CMake Error: The source directory "/home/youngjus/Documents/llvmscript/my-llvm-releaseassert/my-llvm-src/llvm" does not exist.
Specify --help for usage, or press the help button on the CMake GUI.
Error: could not load cache