Imports
- github.com/Sirupsen/logrus
- github.com/cenkalti/backoff
- github.com/dustin/go-humanize
- github.com/fsouza/go-dockerclient
- github.com/mitchellh/multistep
- github.com/pborman/uuid
- github.com/pkg/sftp
- github.com/travis-ci/worker/config
- github.com/travis-ci/worker/context
- github.com/travis-ci/worker/image
- github.com/travis-ci/worker/metrics
- golang.org/x/crypto/ssh
- golang.org/x/net/context
- golang.org/x/oauth2
- golang.org/x/oauth2/jwt
- google.golang.org/api/compute/v1
- google.golang.org/api/googleapi