Try with stdarch that doesn't use builtins

Author: tgross35

.gitmodules

@@ -20,7 +20,7 @@
 	shallow = true
 [submodule "library/stdarch"]
 	path = library/stdarch
-	url = https://github.com/rust-lang/stdarch.git
+	url = https://github.com/tgross35/rust-stdarch.git
 	shallow = true
 [submodule "src/doc/edition-guide"]
 	path = src/doc/edition-guide

library/Cargo.lock

@@ -366,7 +366,6 @@ name = "std_detect"
 version = "0.1.5"
 dependencies = [
  "cfg-if",
- "compiler_builtins 0.1.160",
  "libc",
  "rustc-std-workspace-alloc",
  "rustc-std-workspace-core",