Capistrano / Composer failure log

log

INFO [92e352c0] Running /usr/bin/env composer install --no-dev --no-scripts --quiet --optimize-autoloader on server.com
cap aborted!
composer stdout: Nothing written
composer stderr: Nothing written
/var/lib/gems/1.9.1/gems/sshkit-1.3.0/lib/sshkit/command.rb:94:in `exit_status='
/var/lib/gems/1.9.1/gems/sshkit-1.3.0/lib/sshkit/backends/netssh.rb:142:in `block (4 levels) in _execute'
/var/lib/gems/1.9.1/gems/net-ssh-2.7.0/lib/net/ssh/connection/channel.rb:551:in `call'
/var/lib/gems/1.9.1/gems/net-ssh-2.7.0/lib/net/ssh/connection/channel.rb:551:in `do_request'
/var/lib/gems/1.9.1/gems/net-ssh-2.7.0/lib/net/ssh/connection/session.rb:561:in `channel_request'
/var/lib/gems/1.9.1/gems/net-ssh-2.7.0/lib/net/ssh/connection/session.rb:465:in `dispatch_incoming_packets'
/var/lib/gems/1.9.1/gems/net-ssh-2.7.0/lib/net/ssh/connection/session.rb:221:in `preprocess'
/var/lib/gems/1.9.1/gems/net-ssh-2.7.0/lib/net/ssh/connection/session.rb:205:in `process'
/var/lib/gems/1.9.1/gems/net-ssh-2.7.0/lib/net/ssh/connection/session.rb:169:in `block in loop'
/var/lib/gems/1.9.1/gems/net-ssh-2.7.0/lib/net/ssh/connection/session.rb:169:in `loop'
/var/lib/gems/1.9.1/gems/net-ssh-2.7.0/lib/net/ssh/connection/session.rb:169:in `loop'
/var/lib/gems/1.9.1/gems/net-ssh-2.7.0/lib/net/ssh/connection/channel.rb:269:in `wait'
/var/lib/gems/1.9.1/gems/sshkit-1.3.0/lib/sshkit/backends/netssh.rb:164:in `block (2 levels) in _execute'
/var/lib/gems/1.9.1/gems/net-ssh-2.7.0/lib/net/ssh/connection/channel.rb:514:in `call'
/var/lib/gems/1.9.1/gems/net-ssh-2.7.0/lib/net/ssh/connection/channel.rb:514:in `do_open_confirmation'
/var/lib/gems/1.9.1/gems/net-ssh-2.7.0/lib/net/ssh/connection/session.rb:545:in `channel_open_confirmation'
/var/lib/gems/1.9.1/gems/net-ssh-2.7.0/lib/net/ssh/connection/session.rb:465:in `dispatch_incoming_packets'
/var/lib/gems/1.9.1/gems/net-ssh-2.7.0/lib/net/ssh/connection/session.rb:221:in `preprocess'
/var/lib/gems/1.9.1/gems/net-ssh-2.7.0/lib/net/ssh/connection/session.rb:205:in `process'
/var/lib/gems/1.9.1/gems/net-ssh-2.7.0/lib/net/ssh/connection/session.rb:169:in `block in loop'
/var/lib/gems/1.9.1/gems/net-ssh-2.7.0/lib/net/ssh/connection/session.rb:169:in `loop'
/var/lib/gems/1.9.1/gems/net-ssh-2.7.0/lib/net/ssh/connection/session.rb:169:in `loop'
/var/lib/gems/1.9.1/gems/sshkit-1.3.0/lib/sshkit/backends/netssh.rb:166:in `block in _execute'
/var/lib/gems/1.9.1/gems/sshkit-1.3.0/lib/sshkit/backends/netssh.rb:123:in `tap'
/var/lib/gems/1.9.1/gems/sshkit-1.3.0/lib/sshkit/backends/netssh.rb:123:in `_execute'
/var/lib/gems/1.9.1/gems/sshkit-1.3.0/lib/sshkit/backends/netssh.rb:66:in `execute'
/var/lib/gems/1.9.1/gems/capistrano-composer-0.0.3/lib/capistrano/tasks/composer.rake:25:in `block (4 levels) in <top (required)>'
/var/lib/gems/1.9.1/gems/sshkit-1.3.0/lib/sshkit/backends/abstract.rb:81:in `within'
/var/lib/gems/1.9.1/gems/capistrano-composer-0.0.3/lib/capistrano/tasks/composer.rake:24:in `block (3 levels) in <top (required)>'
/var/lib/gems/1.9.1/gems/sshkit-1.3.0/lib/sshkit/backends/netssh.rb:54:in `instance_exec'
/var/lib/gems/1.9.1/gems/sshkit-1.3.0/lib/sshkit/backends/netssh.rb:54:in `run'
/var/lib/gems/1.9.1/gems/sshkit-1.3.0/lib/sshkit/runners/parallel.rb:12:in `block (2 levels) in execute'
Tasks: TOP => composer:run
(See full trace by running task with --trace)
vagrant@localhost:/vagrant/example.dev$