diff --git a/.build.yml b/.build.yml
index 5203f84..4e8116e 100644
--- a/.build.yml
+++ b/.build.yml
@@ -35,12 +35,12 @@ tasks:
       file $(./getpath @zig_sdk//:aarch64-linux-musl //test:gomusl) | \
         tee /dev/stderr | grep -q "ELF 64-bit.* ARM aarch64.* statically linked"
   - test_x86_64-macos-gnu: |
-      cd bazel-zig-cc; ../bazel build \
+      cd bazel-zig-cc; ../bazel build -s \
         --platforms @zig_sdk//:x86_64-macos-gnu //test:gognu
       file $(./getpath @zig_sdk//:x86_64-macos-gnu //test:gognu) | \
         tee /dev/stderr | grep -q "Mach-O 64-bit x86_64 executable"
   - test_aarch64-macos-gnu: |
-      cd bazel-zig-cc; ../bazel build \
+      cd bazel-zig-cc; ../bazel build -s \
         --platforms @zig_sdk//:aarch64-macos-gnu //test:gognu
       file $(./getpath @zig_sdk//:aarch64-macos-gnu //test:gognu) | \
         tee /dev/stderr | grep -q "Mach-O 64-bit arm64 executable"
diff --git a/hangzig b/hangzig
index c3ba13d..3ddc00d 100755
--- a/hangzig
+++ b/hangzig
@@ -11,8 +11,8 @@ outside() {
     curl -L "$bzl" -o bazel
     chmod +x bazel
   fi
-  exec docker run -ti --rm -v $(pwd):/x -w /x \
-    --cpus 2 \
+  exec docker run -ti --rm -v $(pwd):/x -w /x --name hangzig \
+    --cpuset-cpus 0-1 \
     -m 4096MB \
     -e CC=/usr/bin/false \
     debian:bullseye ./hangzig inside