cannot use d (type "github.com/opencontainers/go-digest".Digest) as type "github.com/heroku/docker-registry-client/vendor/github.com/opencontainers/go-digest".Digest in argument to hub.DownloadBlob
this problem solution is remove
github.com/heroku/docker-registry-client/vendor/github.com/opencontainers/go-digest, then use $GOPATH
cannot use d (type "github.com/opencontainers/go-digest".Digest) as type "github.com/heroku/docker-registry-client/vendor/github.com/opencontainers/go-digest".Digest in argument to hub.DownloadBlob
this problem solution is removegithub.com/heroku/docker-registry-client/vendor/github.com/opencontainers/go-digest
, then use $GOPATH