Drop ci_pending_build when calling `Ci::Build#doom!`

app/models/ci/build.rb

@@ -1031,9 +1031,10 @@ module Ci
 
     # Consider this object to have a structural integrity problems
     def doom!
-      update_columns(
-        status: :failed,
-        failure_reason: :data_integrity_failure)
+      transaction do
+        update_columns(status: :failed, failure_reason: :data_integrity_failure)
+        all_queuing_entries.delete_all
+      end
     end
 
     def degradation_threshold

spec/models/ci/build_spec.rb

@@ -5269,4 +5269,23 @@ RSpec.describe Ci::Build do
       build.ensure_trace_metadata!
     end
   end
+
+  describe '#doom!' do
+    subject { build.doom! }
+
+    let_it_be(:build) { create(:ci_build, :queued) }
+
+    it 'updates status and failure_reason', :aggregate_failures do
+      subject
+
+      expect(build.status).to eq("failed")
+      expect(build.failure_reason).to eq("data_integrity_failure")
+    end
+
+    it 'drops associated pending build' do
+      subject
+
+      expect(build.reload.queuing_entry).not_to be_present
+    end
+  end
 end