dashboard: allow 45 minutes for 386 OpenBSD builds

We retry these forever, so regardless of how you feel about the speed of
the build, letting them finish is better than that.

Fixes golang/go#49666.

Change-Id: Id5f9e1124f77047bcc6c73675f47c2acd90231b3
Reviewed-on: https://go-review.googlesource.com/c/build/+/382978
Trust: Heschi Kreinick <[email protected]>
Run-TryBot: Heschi Kreinick <[email protected]>
Reviewed-by: Dmitri Shuralyov <[email protected]>
TryBot-Result: Gopher Robot <[email protected]>

Author: heschi

dashboard/builders.go

@@ -237,6 +237,7 @@ var Hosts = map[string]*HostConfig{
 		goBootstrapURLTmpl: "https://storage.googleapis.com/$BUCKET/gobootstrap-openbsd-386-go1_12.tar.gz",
 		Notes:              "OpenBSD 6.8 (with 009_exit syspatch); GCE VM is built from script in build/env/openbsd-386",
 		SSHUsername:        "gopher",
+		DeleteTimeout:      45 * time.Minute, // See golang/go#49666.
 	},
 	"host-openbsd-amd64-70": &HostConfig{
 		VMImage:            "openbsd-amd64-70",
@@ -253,6 +254,7 @@ var Hosts = map[string]*HostConfig{
 		goBootstrapURLTmpl: "https://storage.googleapis.com/$BUCKET/gobootstrap-openbsd-386-go1_12.tar.gz",
 		Notes:              "OpenBSD 7.0; GCE VM is built from script in build/env/openbsd-386. n2-highcpu host.",
 		SSHUsername:        "gopher",
+		DeleteTimeout:      45 * time.Minute, // See golang/go#49666.
 	},
 	"host-openbsd-386-70-n2d": &HostConfig{
 		// This host config is only for the runtime team to use investigating golang/go#49209.