Don't create dump4.log

Author: rvansa

checkpoint.cmd.sh

@@ -5,7 +5,8 @@ detect_native_client() {
 }
 
 export AWS_NATIVE_CLIENT=$(detect_native_client /function/lib/jni/libaws-lambda-jni.*.so)
-export CRAC_CRIU_OPTS="--compress"
+# Don't create dump4.log
+export CRAC_CRIU_OPTS="--compress -o -"
 
 # Ensure small PID, for privileged-less criu to be able to restore PID by bumping.
 # But not too small, to avoid clashes with other occasional processes on restore.

crac-steps.sh

@@ -75,7 +75,6 @@ s03_checkpoint() {
 }
 
 s04_prepare_restore() {
-	sudo rm -f cr/dump4.log # XXX
 	docker build -t crac-lambda-restore -f Dockerfile.restore .
 }
 
@@ -155,7 +154,7 @@ s08_invoke_aws() {
 		response.json \
 		> log.json
 
-	jq . < response.json 
+	jq . < response.json
 	jq -r .LogResult < log.json | base64 -d
 }