From d348b80f318388045dc3306a35531b2a7b3b6c4c Mon Sep 17 00:00:00 2001
From: Benjamin Staffin <benley@gmail.com>
Date: Mon, 27 Feb 2017 19:22:37 -0500
Subject: [PATCH] bazel: Log test errors to stderr during checkPhase

Otherwise it's difficult or impossible to retrieve them, particularly
from a hydra build.
---
 pkgs/development/tools/build-managers/bazel/default.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/tools/build-managers/bazel/default.nix b/pkgs/development/tools/build-managers/bazel/default.nix
index 195041f4b28a..65c9480b114f 100644
--- a/pkgs/development/tools/build-managers/bazel/default.nix
+++ b/pkgs/development/tools/build-managers/bazel/default.nix
@@ -54,8 +54,8 @@ stdenv.mkDerivation rec {
   doCheck = true;
   checkPhase = ''
     export TEST_TMPDIR=$(pwd)
-    ./output/bazel test examples/cpp:hello-success_test
-    ./output/bazel test examples/java-native/src/test/java/com/example/myproject:hello
+    ./output/bazel test --test_output=errors examples/cpp:hello-success_test
+    ./output/bazel test --test_output=errors examples/java-native/src/test/java/com/example/myproject:hello
   '';
 
   installPhase = ''