use nix build instead of nix flake check

CobaltCause · CobaltCause · commit b626363c4f23 · 2024-02-16T19:37:33.000-08:00
diff --git a/bin/ci b/bin/ci
@@ -101,7 +101,7 @@ for t in "${crate_types[@]}"; do
     fi
 
     # Ensure the flake isn't broken
-    nix flake check
+    nix build
 
     # Run the actual tests
     direnv exec . engage
