Explicitly ignore returned Future

PiperOrigin-RevId: 152760365

1 files changed, 2 insertions, 1 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/skyframe/FilesystemValueChecker.java b/src/main/java/com/google/devtools/build/lib/skyframe/FilesystemValueChecker.java
index 6fef55c5b9..2fd7feb357 100644
--- a/src/main/java/com/google/devtools/build/lib/skyframe/FilesystemValueChecker.java
+++ b/src/main/java/com/google/devtools/build/lib/skyframe/FilesystemValueChecker.java
@@ -56,6 +56,7 @@ import java.util.Set;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
+import java.util.concurrent.Future;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.logging.Level;
@@ -215,7 +216,7 @@ public class FilesystemValueChecker {
               sortedKnownModifiedOutputFiles)
           : batchStatJob(dirtyKeys, shard, batchStatter, knownModifiedOutputFiles,
               sortedKnownModifiedOutputFiles);
-      executor.submit(wrapper.wrap(job));
+      Future<?> unused = executor.submit(wrapper.wrap(job));
     }
 
     boolean interrupted = ExecutorUtil.interruptibleShutdown(executor);