Unable to crack password

[alvin Teng]

Dear Developer,

Version used : john180j1w

CMD prompt:

C:\Users\Teng>cd desktop

C:\Users\Teng\Desktop>cd john180j1w

C:\Users\Teng\Desktop\john180j1w>cd run

C:\Users\Teng\Desktop\john180j1w\run>rar2john.exe initial.rar>hash.txt
    953 [main] rar2john 8064 find_fast_cwd: WARNING: Couldn't compute
FAST_CWD pointer.  Please report this problem to
the public mailing list cygwin@cygwin.com

C:\Users\Teng\Desktop\john180j1w\run>john.exe initial.rar hash.txt
      1 [main] john 16684 find_fast_cwd: WARNING: Couldn't compute FAST_CWD
pointer.  Please report this problem to
the public mailing list cygwin@cygwin.com
Warning: detected hash type "whirlpool", but the string is also recognized
as "whirlpool0"
Use the "--format=whirlpool0" option to force loading these as that type
instead
Warning: detected hash type "whirlpool", but the string is also recognized
as "whirlpool1"
Use the "--format=whirlpool1" option to force loading these as that type
instead

Kindly assist