C:\working-dir\chicken-portable-clean\build\bin>csi

CHICKEN
(c) 2008-2014, The Chicken Team
(c) 2000-2007, Felix L. Winkelmann
Version 4.9.0.1 (stability/4.9.0) (rev 8b3189b)
windows-mingw32-x86-64 [ 64bit dload ptables ]
bootstrapped 2014-06-07

#;1> (use fmt)
; loading C:/working-dir/chicken-portable-clean/build/lib/chicken/7/fmt.import.so ...
; loading C:/working-dir/chicken-portable-clean/build/lib/chicken/7/chicken.import.so ...
; loading C:/working-dir/chicken-portable-clean/build/lib/chicken/7/ports.import.so ...
; loading C:/working-dir/chicken-portable-clean/build/lib/chicken/7/srfi-1.import.so ...
; loading C:/working-dir/chicken-portable-clean/build/lib/chicken/7/srfi-69.import.so ...
; loading C:/working-dir/chicken-portable-clean/build/lib/chicken/7/foreign.import.so ...
; loading C:/working-dir/chicken-portable-clean/build/lib/chicken/7/srfi-13.import.so ...
; loading C:/working-dir/chicken-portable-clean/build/lib/chicken/7/extras.import.so ...
; loading C:/working-dir/chicken-portable-clean/build/lib/chicken/7/data-structures.import.so ...
; loading C:/working-dir/chicken-portable-clean/build/lib/chicken/7/fmt.so ...
[panic] invalid encoded numeric literal - execution terminated

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<eval>  <--

C:\working-dir\chicken-portable-clean\build\bin>