dep - panic: canary - *should* be impossible to have a pkg-only selection here

dep_panic

Cached github.com/boltdb/bolt
Cached github.com/Sirupsen/logrus
Cached github.com/dghubble/oauth1
Cached github.com/aws/aws-sdk-go
Cached github.com/giantswarm/semver-bump
Cached github.com/dghubble/go-twitter
Cached github.com/dgrijalva/jwt-go
Cached github.com/ccirello/supervisor
Cached github.com/go-openapi/errors
Cached github.com/fsouza/go-dockerclient
Cached github.com/garyburd/redigo
Cached github.com/go-openapi/runtime
Cached github.com/gin-gonic/gin
Cached github.com/go-openapi/loads
Cached github.com/go-openapi/strfmt
Cached github.com/go-openapi/spec
Cached github.com/go-openapi/swag
Cached github.com/go-openapi/validate
Cached github.com/google/btree
Cached github.com/go-sql-driver/mysql
Cached github.com/golang/groupcache
Cached github.com/iron-io/iron_go3
Cached github.com/iron-io/functions_go
Cached github.com/iron-io/runner
Cached github.com/pkg/errors
Cached github.com/jmoiron/jsonq
Cached github.com/docker/docker
Cached github.com/lib/pq
Cached github.com/satori/go.uuid
Cached github.com/spf13/viper
Cached github.com/urfave/cli
Cached gopkg.in/mgo.v2
Cached gopkg.in/yaml.v2
Cached github.com/mitchellh/mapstructure
Cached golang.org/x/crypto
Cached github.com/asaskevich/govalidator
Cached github.com/go-openapi/analysis
Cached github.com/mailru/easyjson
Cached github.com/go-openapi/jsonpointer
Cached github.com/PuerkitoBio/purell
Cached github.com/go-openapi/jsonreference
Cached github.com/PuerkitoBio/urlesc
Cached golang.org/x/net
Cached github.com/pivotal-golang/bytefmt
Cached golang.org/x/text
Cached github.com/docker/go-units
Cached github.com/manucorporat/sse
Cached github.com/mattn/go-isatty
Cached github.com/golang/protobuf
Cached gopkg.in/go-playground/validator.v8
Cached golang.org/x/sys
Cached github.com/cactus/go-statsd-client
Cached github.com/hashicorp/go-cleanhttp
Cached github.com/gorilla/context
Cached github.com/heroku/docker-registry-client
Cached github.com/fsnotify/fsnotify
Cached github.com/gorilla/mux
Cached github.com/docker/distribution
Cached github.com/hashicorp/hcl
Cached github.com/pelletier/go-buffruneio
Cached github.com/magiconair/properties
Cached github.com/spf13/afero
Cached github.com/pelletier/go-toml
Cached github.com/spf13/jwalterweatherman
Cached github.com/spf13/cast
Cached github.com/spf13/pflag
Cached github.com/go-resty/resty
panic: canary - *should* be impossible to have a pkg-only selection here

goroutine 1 [running]:
github.com/golang/dep/vendor/github.com/sdboyer/gps.(*solver).backtrack(0xc420886a20, 0xc420acf500)
	/home/jordan/go/src/github.com/golang/dep/vendor/github.com/sdboyer/gps/solver.go:953 +0xb34
github.com/golang/dep/vendor/github.com/sdboyer/gps.(*solver).solve(0xc420886a20, 0x0, 0x0, 0x1c)
	/home/jordan/go/src/github.com/golang/dep/vendor/github.com/sdboyer/gps/solver.go:409 +0x787
github.com/golang/dep/vendor/github.com/sdboyer/gps.(*solver).Solve(0xc420886a20, 0x30, 0xa63080, 0xab1138, 0xc420014098)
	/home/jordan/go/src/github.com/golang/dep/vendor/github.com/sdboyer/gps/solver.go:355 +0xab
main.(*initCommand).Run(0xab1138, 0xc420126d50, 0xc42000c460, 0x0, 0x0, 0x0, 0x0)
	/home/jordan/go/src/github.com/golang/dep/cmd/dep/init.go:156 +0xfbb
main.main()
	/home/jordan/go/src/github.com/golang/dep/cmd/dep/main.go:125 +0x6df