From 151d17c63f2d29908d4ba607999d19cfbcb0aa97 Mon Sep 17 00:00:00 2001
From: John Erickson <jerick@microsoft.com>
Date: Mon, 13 Apr 2026 17:14:27 -0700
Subject: [PATCH] Don't crash when targets are missing

---
 src/Common/MSBuildCachePluginBase.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Common/MSBuildCachePluginBase.cs b/src/Common/MSBuildCachePluginBase.cs
index de18ce2..b589caf 100644
--- a/src/Common/MSBuildCachePluginBase.cs
+++ b/src/Common/MSBuildCachePluginBase.cs
@@ -561,7 +561,7 @@ private async Task HandleProjectFinishedInnerAsync(FileAccessContext fileAccessC
             IReadOnlyList<string> requestedTargets;
             if (nodeContext.ProjectInstance.InitialTargets.Count > 0)
             {
-                List<string> requestedTargetsList = new(fileAccessContext.Targets.Count - nodeContext.ProjectInstance.InitialTargets.Count);
+                List<string> requestedTargetsList = new(Math.Max(0, fileAccessContext.Targets.Count - nodeContext.ProjectInstance.InitialTargets.Count));
                 foreach (string reportedTarget in fileAccessContext.Targets)
                 {
                     if (!nodeContext.ProjectInstance.InitialTargets.Contains(reportedTarget, StringComparer.OrdinalIgnoreCase))