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-rw-r--r--src/exercise.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/exercise.rs b/src/exercise.rs
index 605d5f1..8a04061 100644
--- a/src/exercise.rs
+++ b/src/exercise.rs
@@ -103,7 +103,7 @@ pub trait RunnableExercise {
args: &[],
bin_name,
description: "cargo build …",
- hide_warnings: false,
+ hide_warnings: output.is_none(),
target_dir,
output: output.as_deref_mut(),
dev,