$ bundle exec cap dev_sandbox deploy
 INFO [c3608890] Running /usr/bin/env mkdir -p /tmp/capstan/ on capstan-dev-sandbox.stonecroptech.com
DEBUG [c3608890] Command: ( RAILS_ENV=dev_sandbox /usr/bin/env mkdir -p /tmp/capstan/ )
 INFO [7aecad29] Running /usr/bin/env mkdir -p /tmp/capstan/ on capstan-dev-sandbox-dj.stonecroptech.com
DEBUG [7aecad29] Command: ( RAILS_ENV=dev_sandbox /usr/bin/env mkdir -p /tmp/capstan/ )
cap aborted!
Authentication failed for user capstan@capstan-dev-sandbox.stonecroptech.com
/Users/rkellermeyer/.rvm/gems/ruby-1.9.3-p551@badger/gems/net-ssh-2.8.0/lib/net/ssh.rb:217:in `start'
/Users/rkellermeyer/.rvm/gems/ruby-1.9.3-p551@badger/gems/sshkit-1.3.0/lib/sshkit/backends/connection_pool.rb:25:in `create_or_reuse_connection'
/Users/rkellermeyer/.rvm/gems/ruby-1.9.3-p551@badger/gems/sshkit-1.3.0/lib/sshkit/backends/netssh.rb:173:in `ssh'
/Users/rkellermeyer/.rvm/gems/ruby-1.9.3-p551@badger/gems/sshkit-1.3.0/lib/sshkit/backends/netssh.rb:126:in `block in _execute'
/Users/rkellermeyer/.rvm/gems/ruby-1.9.3-p551@badger/gems/sshkit-1.3.0/lib/sshkit/backends/netssh.rb:123:in `tap'
/Users/rkellermeyer/.rvm/gems/ruby-1.9.3-p551@badger/gems/sshkit-1.3.0/lib/sshkit/backends/netssh.rb:123:in `_execute'
/Users/rkellermeyer/.rvm/gems/ruby-1.9.3-p551@badger/gems/sshkit-1.3.0/lib/sshkit/backends/netssh.rb:66:in `execute'
/Users/rkellermeyer/.rvm/gems/ruby-1.9.3-p551@badger/gems/capistrano-3.1.0/lib/capistrano/tasks/git.rake:17:in `block (3 levels) in <top (required)>'
/Users/rkellermeyer/.rvm/gems/ruby-1.9.3-p551@badger/gems/sshkit-1.3.0/lib/sshkit/backends/netssh.rb:54:in `instance_exec'
/Users/rkellermeyer/.rvm/gems/ruby-1.9.3-p551@badger/gems/sshkit-1.3.0/lib/sshkit/backends/netssh.rb:54:in `run'
/Users/rkellermeyer/.rvm/gems/ruby-1.9.3-p551@badger/gems/sshkit-1.3.0/lib/sshkit/runners/parallel.rb:12:in `block (2 levels) in execute'
Tasks: TOP => git:check => git:wrapper
(See full trace by running task with --trace)
The deploy has failed with an error: #<Net::SSH::AuthenticationFailed: Authentication failed for user capstan@capstan-dev-sandbox.stonecroptech.com>