When calling from go routing, getting DATA RACE

[deepakhcu07]

WARNING: DATA RACE
Read at 0x00c0008f0118 by goroutine 33:
github.com/uber/athenadriver/go.(*DriverTracer).Scope()
/home/user/go/pkg/mod/github.com/uber/[email protected]/go/trace.go:99 +0xfe4
github.com/uber/athenadriver/go.(*SQLConnector).Connect()
/home/user/go/pkg/mod/github.com/uber/[email protected]/go/connector.go:112 +0xfb3
database/sql.(*DB).conn()
/home/user/Applications/go/src/database/sql/sql.go:1395 +0xb0a
database/sql.(*DB).query()
/home/user/Applications/go/src/database/sql/sql.go:1732 +0x99
database/sql.(*DB).QueryContext()
/home/user/Applications/go/src/database/sql/sql.go:1710 +0xf9

[deepakhcu07]

It seems the error is happening because of concurrent access of Map.

go/config.go
We can add mutex to solve this.
@henrywoo