sweet: disable gVisor by default

gVisor is broken as of https://go.dev/cl/652276.

For golang/go#72042.
Fixes golang/go#68437.

Change-Id: I6a6a636caa3a65c3c58d30ed26d877dba9378afe
Reviewed-on: https://go-review.googlesource.com/c/benchmarks/+/653755
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Auto-Submit: Michael Pratt <mpratt@google.com>

sweet/cmd/sweet/benchmark.go

diff --git a/sweet/cmd/sweet/benchmark.go b/sweet/cmd/sweet/benchmark.go
index 30006a7..155cb32 100644
--- a/sweet/cmd/sweet/benchmark.go
+++ b/sweet/cmd/sweet/benchmark.go
@@ -111,9 +111,12 @@
 		allBenchmarksMap["go-build"],
 		allBenchmarksMap["gopher-lua"],
 	}
-	if runtime.GOARCH == "amd64" {
-		m["default"] = append(m["default"], allBenchmarksMap["gvisor"])
-	}
+	// TODO(go.dev/issue/72042): gVisor is broken at Go tip as of
+	// https://go.dev/cl/652276 due to unsafe dependence on field offsets.
+	// Disable until gVisor upstream is fixed.
+	// if runtime.GOARCH == "amd64" {
+	// 	m["default"] = append(m["default"], allBenchmarksMap["gvisor"])
+	// }
 	m["default"] = append(m["default"],
 		allBenchmarksMap["markdown"],
 		allBenchmarksMap["tile38"],

sweet/cmd/sweet/integration_test.go

diff --git a/sweet/cmd/sweet/integration_test.go b/sweet/cmd/sweet/integration_test.go
index 0722f79..1571104 100644
--- a/sweet/cmd/sweet/integration_test.go
+++ b/sweet/cmd/sweet/integration_test.go
@@ -213,7 +213,8 @@
 		{"bleve-index", 1},
 		{"gopher-lua", 1},
 		{"markdown", 1},
-		{"gvisor", 1},
+		// TODO(go.dev/issue/72042): re-enable once fixed upstream.
+		// {"gvisor", 1},
 	} {
 		sema.Acquire(context.Background(), shard.weight)
 		wg.Add(1)