The docker engine-api package we use needs golang 1.7+, see: https://github.com/docker/engine-api/pull/382#issuecomment-244512952 So telegraf won't compile without 1.7
* Procstat: don't cache PIDs Changed the procstat input plugin to not cache PIDs. Solves #1636. The logic of creating a process by pid was moved from `procstat.go` to `spec_processor.go`. * Procstat: go fmt * procstat: modify changelog for #2206