From 333b12a8f9beb5864fa05ce413c5b935e925ec14 Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Fri, 18 Sep 2020 01:58:16 -0700
Subject: [PATCH] std: start: use std.log instead of stderr

When main returns an error code.
---
 lib/std/start.zig | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/std/start.zig b/lib/std/start.zig
index aea31a1531..71940b12ca 100644
--- a/lib/std/start.zig
+++ b/lib/std/start.zig
@@ -224,7 +224,7 @@ inline fn initEventLoopAndCallMain() u8 {
     if (std.event.Loop.instance) |loop| {
         if (!@hasDecl(root, "event_loop")) {
             loop.init() catch |err| {
-                std.debug.warn("error: {}\n", .{@errorName(err)});
+                std.log.err("{}", .{@errorName(err)});
                 if (@errorReturnTrace()) |trace| {
                     std.debug.dumpStackTrace(trace.*);
                 }
@@ -270,7 +270,7 @@ pub fn callMain() u8 {
         },
         .ErrorUnion => {
             const result = root.main() catch |err| {
-                std.debug.warn("error: {}\n", .{@errorName(err)});
+                std.log.err("{}", .{@errorName(err)});
                 if (@errorReturnTrace()) |trace| {
                     std.debug.dumpStackTrace(trace.*);
                 }