Why do the missing destination debug folders not spawn?

set stamp=%DATE% %TIME%
set stampdate=%stamp:~4,10%
set stamptime=%stamp:~-11,11%
set stampdate=%stampdate:~-4,4%%stampdate:~-10,2%%stampdate:~-7,2%
set stamptime=%stamptime:~0,2%%stamptime:~3,2%%stamptime:~6,2%%stamptime:~9,2%
set stamp=%stampdate:~0,4%-%stampdate:~4,2%%stampdate:~6,2%-%stamptime:~0,2%%stamptime:~2,2%-%stamptime:~4,2%%stamptime:~6,2%
echo DateTime: %stamp%
set timestamp=%stamp%

set compilerpath=C:\Program Files (x86)\FreeBASIC\fbc
set prjname=Force Quit

tasklist /FI "IMAGENAME eq %prjname%.exe" 2>NUL | find /I /N "%prjname%.exe">NUL
if "%ERRORLEVEL%"=="0" (
taskkill -f -im "%prjname%.exe"
)

"%compilerpath%" ".\%prjname%.bas" -s gui ".\rc\%prjname%.rc" > ".\Debug %prjname%.log"

if [not] exist ".\Revision History" (
   mkdir ".\Revision History"
)
if [not] exist ".\Revision History\Compiler" (
   mkdir ".\Revision History\Compiler"
)
if [not] exist ".\Revision History\Compiler\%prjname%"
   mkdir ".\Revision History\Compiler\%prjname%"
)

cmd /c echo F | xcopy ".\Debug %prjname%.log" ".\Revision History\Compiler\%prjname%\Debug %timestamp%.log"