From 5c751e88855a7400b0dde44c137700d80f758d47 Mon Sep 17 00:00:00 2001
From: Will Wang <willwang@openai.com>
Date: Thu, 15 Jan 2026 11:40:59 -0800
Subject: [PATCH] limit to p4

---
 .github/workflows/rust-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/rust-ci.yml b/.github/workflows/rust-ci.yml
index c6a70e90c9..d5ee65fe5d 100644
--- a/.github/workflows/rust-ci.yml
+++ b/.github/workflows/rust-ci.yml
@@ -302,7 +302,7 @@ jobs:
         continue-on-error: true
         run: |
           find . -name Cargo.toml -mindepth 2 -maxdepth 2 -print0 \
-            | xargs -0 -n1 -P$(nproc) -I{} bash -c 'cd "$(dirname "{}")" && cargo check --profile ${{ matrix.profile }}'
+            | xargs -0 -n1 -P4 -I{} bash -c 'cd "$(dirname "{}")" && cargo check --profile ${{ matrix.profile }}'
 
       # Save caches explicitly; make non-fatal so cache packaging
       # never fails the overall job. Only save when key wasn't hit.