7z ver0.4 is fail

[peng@pengArch assets]$ file hook.7z
hook.7z: 7-zip archive data, version 0.4
[peng@pengArch assets]$ rarcrack --type 7z --threads 12 hook.7z
RarCrack! 0.2 by David Zoltan Kedves (kedazo@gmail.com)

INFO: the specified archive type: 7z
INFO: cracking hook.7z, status file: hook.7z.xml
GOOD: password cracked: '9'
GOOD: password cracked: '8'
GOOD: password cracked: '1'
GOOD: password cracked: '4'
GOOD: password cracked: 'a'
GOOD: password cracked: '5'
GOOD: password cracked: 'b'
GOOD: password cracked: '7'
GOOD: password cracked: '6'
GOOD: password cracked: '0'
GOOD: password cracked: '3'
GOOD: password cracked: '2'
ver 0.2 is ok
ver 0.4 is fail

Reproduce the reported command with the attached hook.7z archive and compare its behavior with the working version 0.2 case. Trace the 7z handling entry point, then confirm completion when version 0.4 archives are cracked successfully without breaking version 0.2 behavior.

Written by the indexing model from the issue text.