From 00ed916e8a58c3591bf366acaaa6e33780550da5 Mon Sep 17 00:00:00 2001
From: John Hodge <tpg@mutabah.net>
Date: Thu, 3 Nov 2016 11:05:16 +0800
Subject: Makefile - Print last line of failed test's output

---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 55ea3aa6..5d41502c 100644
--- a/Makefile
+++ b/Makefile
@@ -193,7 +193,7 @@ TEST_ARGS_run-pass/cfgs-on-items := --cfg fooA --cfg fooB
 output/rust/%.o: $(RUST_TESTS_DIR)%.rs $(RUSTCSRC) $(BIN) output/libstd.hir output/libtest.hir
 	@mkdir -p $(dir $@)
 	@echo "--- TEST $(patsubst output/rust/%.o,%,$@)"
-	@$(BIN) $< -o $@ --stop-after $(RUST_TESTS_FINAL_STAGE) $(TEST_ARGS_$*) > $@.txt 2>&1
+	@$(BIN) $< -o $@ --stop-after $(RUST_TESTS_FINAL_STAGE) $(TEST_ARGS_$*) > $@.txt 2>&1 || tail -n 1 $@.txt
 	@touch $@
 
 output/rust/run-pass/allocator-default.o: output/libstd.hir output/liballoc_jemalloc.hir
-- 
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