ssh login fails: receive packet: type 51

debug1: SSH2_MSG_NEWKEYS received
debug2: key: cweiske@mogiedyne (0x557d468429a0), agent
debug2: key: /var/www/.ssh/id_rsa ((nil))
debug2: key: /var/www/.ssh/id_dsa ((nil))
debug2: key: /var/www/.ssh/id_ecdsa ((nil))
debug2: key: /var/www/.ssh/id_ed25519 ((nil))
debug3: send packet: type 5
debug3: receive packet: type 7
debug1: SSH2_MSG_EXT_INFO received
debug1: kex_input_ext_info: server-sig-algs=<rsa-sha2-256,rsa-sha2-512>
debug3: receive packet: type 6
debug2: service_accept: ssh-userauth
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug3: send packet: type 50
debug3: receive packet: type 51
debug1: Authentications that can continue: publickey
debug3: start over, passed a different list publickey
debug3: preferred gssapi-keyex,gssapi-with-mic,publickey,keyboard-interactive,password
debug3: authmethod_lookup publickey
debug3: remaining preferred: keyboard-interactive,password
debug3: authmethod_is_enabled publickey
debug1: Next authentication method: publickey
debug1: Offering RSA public key: cweiske@mogiedyne
debug3: send_pubkey_test
debug3: send packet: type 50
debug2: we sent a publickey packet, wait for reply
debug3: receive packet: type 51
debug1: Authentications that can continue: publickey
debug1: Trying private key: /var/www/.ssh/id_rsa
debug3: no such identity: /var/www/.ssh/id_rsa: No such file or directory
debug1: Trying private key: /var/www/.ssh/id_dsa
debug3: no such identity: /var/www/.ssh/id_dsa: No such file or directory
debug1: Trying private key: /var/www/.ssh/id_ecdsa
debug3: no such identity: /var/www/.ssh/id_ecdsa: No such file or directory
debug1: Trying private key: /var/www/.ssh/id_ed25519
debug3: no such identity: /var/www/.ssh/id_ed25519: No such file or directory
debug2: we did not send a packet, disable method
debug1: No more authentication methods to try.
Permission denied (publickey).

http://www.snailbook.com/docs/assigned-numbers.txt
4.1.2.  Initial Assignments
         Message ID                            Value    Reference
         -----------                           -----    ---------
         SSH_MSG_USERAUTH_REQUEST                50     [SSH-USERAUTH]
         SSH_MSG_USERAUTH_FAILURE                51     [SSH-USERAUTH]



http://www.snailbook.com/docs/userauth.txt
6.  Authentication Protocol Message Numbers
   These are the general authentication message codes:

      SSH_MSG_USERAUTH_REQUEST            50
      SSH_MSG_USERAUTH_FAILURE            51
      SSH_MSG_USERAUTH_SUCCESS            52
      SSH_MSG_USERAUTH_BANNER             53

7.  Public Key Authentication Method: "publickey"

   The following method-specific message numbers are used by the
   "publickey" authentication method.

      SSH_MSG_USERAUTH_PK_OK              60