From 6a9d35ceb83fb0becd7d91167eea9fe0336908e3 Mon Sep 17 00:00:00 2001
From: agent-pool-12 <agent-pool-12@sausage>
Date: Sat, 17 Oct 2026 15:52:37 +0000
Subject: [PATCH] cargo: preserve build failures in result wrapper

---
 cli/src/cargo_actor.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/cli/src/cargo_actor.rs b/cli/src/cargo_actor.rs
index 381aed0..81e8493 100644
--- a/cli/src/cargo_actor.rs
+++ b/cli/src/cargo_actor.rs
@@ -72,6 +72,12 @@ impl std::fmt::Display for BuildFailure {
 
 impl std::error::Error for BuildFailure {}
 
+impl From<anyhow::Error> for BuildFailure {
+    fn from(error: anyhow::Error) -> Self {
+        Self { reason: format!("{error:#}"), tests: TestResults::default() }
+    }
+}
+
 /// All builds share one target folder, so they run one at a time.
 pub struct Cargo {
     world: World,