Run benchmark package not just main

Makefile

@@ -202,7 +202,7 @@ benchmark:perf
 
 .PHONY: driver-benchmark
 driver-benchmark:perf
-	@go run internal/cmd/benchmark/main.go | tee perf.suite
+	cd internal/cmd/benchmark && go run . | tee perf.suite
 
 perf:driver-test-data.tar.gz
 	tar -zxf $< $(if $(eq $(UNAME_S),Darwin),-s , --transform=s)/testdata/perf/

internal/cmd/benchmark/go.mod

@@ -1,6 +1,6 @@
 module go.mongodb.go/mongo-driver/internal/cmd/benchmark
 
-go 1.20
+go 1.18
 
 replace go.mongodb.org/mongo-driver => ../../../
 
@@ -21,7 +21,7 @@ require (
 	github.com/xdg-go/pbkdf2 v1.0.0 // indirect
 	github.com/xdg-go/scram v1.1.2 // indirect
 	github.com/xdg-go/stringprep v1.0.4 // indirect
-	github.com/youmark/pkcs8 v0.0.0-20240424034433-3c2c7870ae76 // indirect
+	github.com/youmark/pkcs8 v0.0.0-20181117223130-1be2e3e5546d // indirect
 	golang.org/x/crypto v0.24.0 // indirect
 	golang.org/x/sync v0.7.0 // indirect
 	golang.org/x/text v0.16.0 // indirect

internal/cmd/benchmark/go.sum

@@ -18,6 +18,8 @@ github.com/xdg-go/scram v1.1.2 h1:FHX5I5B4i4hKRVRBCFRxq1iQRej7WO3hhBuJf+UUySY=
 github.com/xdg-go/scram v1.1.2/go.mod h1:RT/sEzTbU5y00aCK8UOx6R7YryM0iF1N2MOmC3kKLN4=
 github.com/xdg-go/stringprep v1.0.4 h1:XLI/Ng3O1Atzq0oBs3TWm+5ZVgkq2aqdlvP9JtoZ6c8=
 github.com/xdg-go/stringprep v1.0.4/go.mod h1:mPGuuIYwz7CmR2bT9j4GbQqutWS1zV24gijq1dTyGkM=
+github.com/youmark/pkcs8 v0.0.0-20181117223130-1be2e3e5546d h1:splanxYIlg+5LfHAM6xpdFEAYOk8iySO56hMFq6uLyA=
+github.com/youmark/pkcs8 v0.0.0-20181117223130-1be2e3e5546d/go.mod h1:rHwXgn7JulP+udvsHwJoVG1YGAP6VLg4y9I5dyZdqmA=
 github.com/youmark/pkcs8 v0.0.0-20240424034433-3c2c7870ae76 h1:tBiBTKHnIjovYoLX/TPkcf+OjqqKGQrPtGT3Foz+Pgo=
 github.com/youmark/pkcs8 v0.0.0-20240424034433-3c2c7870ae76/go.mod h1:SQliXeA7Dhkt//vS29v3zpbEwoa+zb2Cn5xj5uO4K5U=
 github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=