Imports github.com/crossdock/crossdock-go github.com/uber/jaeger-client-go/crossdock/common github.com/uber/jaeger-client-go/crossdock/log github.com/uber/jaeger-client-go/crossdock/thrift/tracetest github.com/uber/jaeger-client-go/utils Standard library imports context fmt net net/http sync time