diff --git a/src/libstore/build/derivation-goal.cc b/src/libstore/build/derivation-goal.cc
index ace00b1fb..aa89f9e7d 100644
--- a/src/libstore/build/derivation-goal.cc
+++ b/src/libstore/build/derivation-goal.cc
@@ -1506,10 +1506,6 @@ Goal::Finished DerivationGoal::done(
     buildResult.status = status;
     if (ex)
         buildResult.errorMsg = fmt("%s", Uncolored(ex->info().msg));
-    if (buildResult.status == BuildResult::TimedOut)
-        worker.timedOut = true;
-    if (buildResult.status == BuildResult::PermanentFailure)
-        worker.permanentFailure = true;
 
     mcExpectedBuilds.reset();
     mcRunningBuilds.reset();
@@ -1535,6 +1531,10 @@ Goal::Finished DerivationGoal::done(
     return Finished{
         .result = buildResult.success() ? ecSuccess : ecFailed,
         .ex = ex ? std::make_unique<Error>(std::move(*ex)) : nullptr,
+        .permanentFailure = buildResult.status == BuildResult::PermanentFailure,
+        .timedOut = buildResult.status == BuildResult::TimedOut,
+        .hashMismatch = anyHashMismatchSeen,
+        .checkMismatch = anyCheckMismatchSeen,
     };
 }
 
diff --git a/src/libstore/build/derivation-goal.hh b/src/libstore/build/derivation-goal.hh
index c43e2aed5..257282308 100644
--- a/src/libstore/build/derivation-goal.hh
+++ b/src/libstore/build/derivation-goal.hh
@@ -107,6 +107,9 @@ struct DerivationGoal : public Goal
      */
     NeedRestartForMoreOutputs needRestart = NeedRestartForMoreOutputs::OutputsUnmodifedDontNeed;
 
+    bool anyHashMismatchSeen = false;
+    bool anyCheckMismatchSeen = false;
+
     /**
      * See `retrySubstitution`; just for that field.
      */
diff --git a/src/libstore/build/goal.hh b/src/libstore/build/goal.hh
index 83f52927e..5d7bb72b8 100644
--- a/src/libstore/build/goal.hh
+++ b/src/libstore/build/goal.hh
@@ -115,6 +115,10 @@ public:
     struct [[nodiscard]] Finished {
         ExitCode result;
         std::unique_ptr<Error> ex;
+        bool permanentFailure = false;
+        bool timedOut = false;
+        bool hashMismatch = false;
+        bool checkMismatch = false;
     };
 
     struct [[nodiscard]] WorkResult : std::variant<
diff --git a/src/libstore/build/local-derivation-goal.cc b/src/libstore/build/local-derivation-goal.cc
index 3618aa191..afc741397 100644
--- a/src/libstore/build/local-derivation-goal.cc
+++ b/src/libstore/build/local-derivation-goal.cc
@@ -235,8 +235,9 @@ Goal::WorkResult LocalDerivationGoal::tryLocalBuild()
     } catch (BuildError & e) {
         outputLocks.unlock();
         buildUser.reset();
-        worker.permanentFailure = true;
-        return done(BuildResult::InputRejected, {}, std::move(e));
+        auto report = done(BuildResult::InputRejected, {}, std::move(e));
+        report.permanentFailure = true;
+        return report;
     }
 
     /* This state will be reached when we get EOF on the child's
@@ -2195,7 +2196,7 @@ SingleDrvOutputs LocalDerivationGoal::registerOutputs()
                 if (wanted != got) {
                     /* Throw an error after registering the path as
                        valid. */
-                    worker.hashMismatch = true;
+                    anyHashMismatchSeen = true;
                     // XXX: shameless layering violation hack that makes the hash mismatch error at least not utterly worthless
                     auto guessedUrl = getOr(drv->env, "urls", getOr(drv->env, "url", "(unknown)"));
                     delayedException = std::make_exception_ptr(
@@ -2282,7 +2283,7 @@ SingleDrvOutputs LocalDerivationGoal::registerOutputs()
             if (!worker.store.isValidPath(newInfo.path)) continue;
             ValidPathInfo oldInfo(*worker.store.queryPathInfo(newInfo.path));
             if (newInfo.narHash != oldInfo.narHash) {
-                worker.checkMismatch = true;
+                anyCheckMismatchSeen = true;
                 if (settings.runDiffHook || settings.keepFailed) {
                     auto dst = worker.store.toRealPath(finalDestPath + checkSuffix);
                     deletePath(dst);
diff --git a/src/libstore/build/worker.cc b/src/libstore/build/worker.cc
index 712af6c7e..556cc9035 100644
--- a/src/libstore/build/worker.cc
+++ b/src/libstore/build/worker.cc
@@ -21,10 +21,6 @@ Worker::Worker(Store & store, Store & evalStore)
     nrLocalBuilds = 0;
     nrSubstitutions = 0;
     lastWokenUp = steady_time_point::min();
-    permanentFailure = false;
-    timedOut = false;
-    hashMismatch = false;
-    checkMismatch = false;
 }
 
 
@@ -145,6 +141,11 @@ void Worker::goalFinished(GoalPtr goal, Goal::Finished & f)
     assert(!goal->exitCode.has_value());
     goal->exitCode = f.result;
 
+    permanentFailure |= f.permanentFailure;
+    timedOut |= f.timedOut;
+    hashMismatch |= f.hashMismatch;
+    checkMismatch |= f.checkMismatch;
+
     if (f.ex) {
         if (!goal->waiters.empty())
             logError(f.ex->info());
diff --git a/src/libstore/build/worker.hh b/src/libstore/build/worker.hh
index 20aa34e74..6e7c1c626 100644
--- a/src/libstore/build/worker.hh
+++ b/src/libstore/build/worker.hh
@@ -105,6 +105,27 @@ private:
      */
     std::map<StorePath, bool> pathContentsGoodCache;
 
+    /**
+     * Set if at least one derivation had a BuildError (i.e. permanent
+     * failure).
+     */
+    bool permanentFailure = false;
+
+    /**
+     * Set if at least one derivation had a timeout.
+     */
+    bool timedOut = false;
+
+    /**
+     * Set if at least one derivation fails with a hash mismatch.
+     */
+    bool hashMismatch = false;
+
+    /**
+     * Set if at least one derivation is not deterministic in check mode.
+     */
+    bool checkMismatch = false;
+
     void goalFinished(GoalPtr goal, Goal::Finished & f);
     void handleWorkResult(GoalPtr goal, Goal::WorkResult how);
 
@@ -133,27 +154,6 @@ public:
     const Activity actDerivations;
     const Activity actSubstitutions;
 
-    /**
-     * Set if at least one derivation had a BuildError (i.e. permanent
-     * failure).
-     */
-    bool permanentFailure;
-
-    /**
-     * Set if at least one derivation had a timeout.
-     */
-    bool timedOut;
-
-    /**
-     * Set if at least one derivation fails with a hash mismatch.
-     */
-    bool hashMismatch;
-
-    /**
-     * Set if at least one derivation is not deterministic in check mode.
-     */
-    bool checkMismatch;
-
     Store & store;
     Store & evalStore;