undefined method `unpack' for nil:NilClass

[matlink]

I previously used Cryptcheck, then updated it, make clean && make all

# bin/check_ssh matlink.fr
matlink.fr:22 [2a01:e35:2e5c:9190::75]

Key exchange : [email protected]

Encryption : [email protected]

HMAC : [email protected]

Compression : none
Compression : [email protected]

Key type : ssh-ed25519
Key type : ecdsa-sha2-nistp521
Key type : ssh-rsa
Key type : ssh-dss


matlink.fr:22 [82.229.201.25]
undefined method `unpack' for nil:NilClass