help please

[cygwinautoreply@sourceware.org]

> 1 [main] john 2960 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

https://cygwin.com/faq.html#faq.using.fixing-find_fast_cwd-warnings