diff --git a/child-task.sh b/child-task.sh
index 4545432c744..78e35be5c11 100755
--- a/child-task.sh
+++ b/child-task.sh
@@ -4,4 +4,4 @@ curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain none -y
 export PATH="$HOME/.cargo/bin:$PATH"
 
 cd something-rust
-rustup run --install cargo run
+cargo run