RSYNC Windows Error Cygwin

==> default: Rsyncing folder: /cygdrive/c/Users/***/git/***.github.io/_site/ => /var/www/myapp
There was an error when attempting to rsync a synced folder.
Please inspect the error message below for more info.

Host path: /cygdrive/c/Users/***/git/***.github.io/_site/
Guest path: /var/www/myapp
Command: rsync --verbose --archive --delete -z --copy-links --chmod=ugo=rwX --no-perms --no-owner --no-group --rsync-path sudo rsync -e ssh -p 2222 -o ControlMaster=auto -o ControlPath=C:/cygwin/tmp/ssh.709 -o ControlPersist=10m -o StrictHostKeyChecking=no -o IdentitiesOnly=true -o UserKnownHostsFile=/dev/null -i 'C:/Users/***/git/***.github.io/.vagrant/machines/default/virtualbox/private_key' --exclude .vagrant/ /cygdrive/c/Users/***/git/***.github.io/_site/ vagrant@127.0.0.1:/var/www/myapp
Error: Warning: Permanently added '[127.0.0.1]:2222' (ECDSA) to the list of known hosts.
mm_receive_fd: no message header
process_mux_new_session: failed to receive fd 0 from slave
mux_client_request_session: read from master failed: Connection reset by peer
Failed to connect to new control master
rsync: connection unexpectedly closed (0 bytes received so far) [sender]
rsync error: error in rsync protocol data stream (code 12) at io.c(226) [sender=3.1.1]