From 7711e6012e65c318cd037548623a3daf4f3144bd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?John=20K=C3=A5re=20Alsaker?= <john.kare.alsaker@gmail.com>
Date: Sat, 16 Feb 2019 05:22:37 +0100
Subject: [PATCH] Show stdout from the compiler with json error mode

---
 src/cargo/core/compiler/mod.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/cargo/core/compiler/mod.rs b/src/cargo/core/compiler/mod.rs
index a3bf609ad2a..ba0c61a4ad3 100644
--- a/src/cargo/core/compiler/mod.rs
+++ b/src/cargo/core/compiler/mod.rs
@@ -299,7 +299,11 @@ fn rustc<'a, 'cfg>(
                 package_id,
                 &target,
                 mode,
-                &mut assert_is_empty,
+                &mut |line| {
+                    // Forward compiler stdout to stderr
+                    writeln!(io::stderr(), "{}", line)?;
+                    Ok(())
+                },
                 &mut |line| json_stderr(line, package_id, &target),
             )
             .map_err(internal_if_simple_exit_code)