client/tr: add a bit of context to envbuilder errors
client/tr: add a bit of context to envbuilder errors

nak3/nomad,nak3/nomad,dvusboy/nomad,dvusboy/nomad,dvusboy/nomad,burdandrei/nomad,burdandrei/nomad,burdandrei/nomad,hashicorp/nomad,hashicorp/nomad,nak3/nomad,nak3/nomad,hashicorp/nomad,dvusboy/nomad,nak3/nomad,burdandrei/nomad,burdandrei/nomad,dvusboy/nomad,burdandrei/nomad,hashicorp/nomad,burdandrei/nomad,dvusboy/nomad,nak3/nomad,dvusboy/nomad,hashicorp/nomad,hashicorp/nomad,nak3/nomad