diff --git a/t/lib-parallel-checkout.sh b/t/lib-parallel-checkout.sh
index 83b279a846..acaee9cbb6 100644
--- a/t/lib-parallel-checkout.sh
+++ b/t/lib-parallel-checkout.sh
@@ -25,7 +25,11 @@ test_checkout_workers () {
 
 	local trace_file=trace-test-checkout-workers &&
 	rm -f "$trace_file" &&
-	GIT_TRACE2="$(pwd)/$trace_file" "$@" 2>&8 &&
+	(
+		GIT_TRACE2="$(pwd)/$trace_file" &&
+		export GIT_TRACE2 &&
+		"$@" 2>&8
+	) &&
 
 	local workers="$(grep "child_start\[..*\] git checkout--worker" "$trace_file" | wc -l)" &&
 	test $workers -eq $expected_workers &&
diff --git a/t/t2080-parallel-checkout-basics.sh b/t/t2080-parallel-checkout-basics.sh
index 3e0f8c675f..7d6d26e1a4 100755
--- a/t/t2080-parallel-checkout-basics.sh
+++ b/t/t2080-parallel-checkout-basics.sh
@@ -226,4 +226,52 @@ test_expect_success SYMLINKS 'parallel checkout checks for symlinks in leading d
 	)
 '
 
+# This test is here (and not in e.g. t2022-checkout-paths.sh), because we
+# check the final report including sequential, parallel, and delayed entries
+# all at the same time. So we must have finer control of the parallel checkout
+# variables.
+test_expect_failure PERL '"git checkout ." report should not include failed entries' '
+	write_script rot13-filter.pl "$PERL_PATH" \
+		<"$TEST_DIRECTORY"/t0021/rot13-filter.pl &&
+
+	test_config_global filter.delay.process \
+		"\"$(pwd)/rot13-filter.pl\" --always-delay delayed.log clean smudge delay" &&
+	test_config_global filter.delay.required true &&
+	test_config_global filter.cat.clean cat  &&
+	test_config_global filter.cat.smudge cat  &&
+	test_config_global filter.cat.required true  &&
+
+	set_checkout_config 2 0 &&
+	git init failed_entries &&
+	(
+		cd failed_entries &&
+		cat >.gitattributes <<-EOF &&
+		*delay*              filter=delay
+		parallel-ineligible* filter=cat
+		EOF
+		echo a >missing-delay.a &&
+		echo a >parallel-ineligible.a &&
+		echo a >parallel-eligible.a &&
+		echo b >success-delay.b &&
+		echo b >parallel-ineligible.b &&
+		echo b >parallel-eligible.b &&
+		git add -A &&
+		git commit -m files &&
+
+		a_blob="$(git rev-parse :parallel-ineligible.a)" &&
+		rm .git/objects/$(test_oid_to_path $a_blob) &&
+		rm *.a *.b &&
+
+		test_checkout_workers 2 test_must_fail git checkout . 2>err &&
+
+		# All *.b entries should succeed and all *.a entries should fail:
+		#  - missing-delay.a: the delay filter will drop this path
+		#  - parallel-*.a: the blob will be missing
+		#
+		grep "Updated 3 paths from the index" err &&
+		test_stdout_line_count = 3 ls *.b &&
+		! ls *.a
+	)
+'
+
 test_done