Add more debugging info in case of action conflicts. This will tell us if we're unwittingly creating duplicate ConfiguredTargetKey objects, as well as duplicate artifacts.

--
MOS_MIGRATED_REVID=131220032

1 files changed, 3 insertions, 3 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/skyframe/ConfiguredTargetKey.java b/src/main/java/com/google/devtools/build/lib/skyframe/ConfiguredTargetKey.java
index d4b36fd1a6..7243040bbd 100644
--- a/src/main/java/com/google/devtools/build/lib/skyframe/ConfiguredTargetKey.java
+++ b/src/main/java/com/google/devtools/build/lib/skyframe/ConfiguredTargetKey.java
@@ -19,9 +19,7 @@ import com.google.devtools.build.lib.analysis.config.BuildConfiguration;
 import com.google.devtools.build.lib.cmdline.Label;
 import com.google.devtools.build.lib.util.Preconditions;
 import com.google.devtools.build.skyframe.SkyFunctionName;
-
 import java.util.Objects;
-
 import javax.annotation.Nullable;
 
 /**
@@ -90,7 +88,9 @@ public class ConfiguredTargetKey extends ActionLookupValue.ActionLookupKey {
 
   @Override
   public String toString() {
-    return label + " " + (configuration == null ? "null" : configuration.checksum());
+    return String.format(
+        "%s %s (%s)",
+        label, (configuration == null ? "null" : configuration), System.identityHashCode(this));
   }
 
 }