[ 50%] Linking CXX static library libBoostParts.a
Error running link command: Permission denied
make[3]: * [BoostParts/CMakeFiles/BoostParts.dir/build.make:445: BoostParts/libBoostParts.a] Error 2
make[2]: * [CMakeFiles/Makefile2:91: BoostParts/CMakeFiles/BoostParts.dir/all] Error 2
make[1]: * [CMakeFiles/Makefile2:158: ycm/CMakeFiles/ycm_core.dir/rule] Error 2
make: * [Makefile:131: ycm_core] Error 2
ERROR: the build failed.