bench_engine: silent clean

Signed-off-by: Jean Privat <jean@pryen.org>

diff --git a/benchmarks/bench_engines.sh b/benchmarks/bench_engines.sh
index 4d4c6c6..309a0e2 100755 (executable)
--- a/benchmarks/bench_engines.sh
+++ b/benchmarks/bench_engines.sh
@@ -77,7 +77,7 @@ function run_compiler()
                bench_command "nitmd" "markdown" "./nitmd.$title.bin" markdown/benches/out/mixed.md 80
        fi
 
-       rm -r *.bin .nit_compile out
+       rm -r *.bin .nit_compile out 2> /dev/null
 }
 
 ## HANDLE OPTIONS ##