https://github.com/mongodb/mongo-tools/blob/r4.3.2/mongodump/mongodump.go#L458
`resultChan` is an unbuffered chan, goroutine may leak if dumpIntent fails. A buffered chan is better.
https://github.com/mongodb/mongo-tools/blob/r4.3.2/mongodump/mongodump.go#L458
`resultChan` is an unbuffered chan, goroutine may leak if dumpIntent fails. A buffered chan is better.