git checkout "$(rustc -V | cut -d' ' -f3 | tr -d '(')"
git apply - <<EOF
-diff --git a/Cargo.toml b/Cargo.toml
-index 5bd1147cad5..10d68a2ff14 100644
---- a/Cargo.toml
-+++ b/Cargo.toml
-@@ -111,5 +111,7 @@ rustc-std-workspace-std = { path = 'library/rustc-std-workspace-std' }
- rustc-std-workspace-alloc = { path = 'library/rustc-std-workspace-alloc' }
- rustc-std-workspace-std = { path = 'library/rustc-std-workspace-std' }
-
-+compiler_builtins = { path = "../build_sysroot/compiler-builtins" }
-+
- [patch."https://github.com/rust-lang/rust-clippy"]
- clippy_lints = { path = "src/tools/clippy/clippy_lints" }
diff --git a/library/alloc/Cargo.toml b/library/alloc/Cargo.toml
index d95b5b7f17f..00b6f0e3635 100644
--- a/library/alloc/Cargo.toml
[dev-dependencies]
rand = "0.7"
rand_xorshift = "0.2"
+diff --git a/src/tools/compiletest/src/header.rs b/src/tools/compiletest/src/header.rs
+index 887d27fd6dca4..2c2239f2b83d1 100644
+--- a/src/tools/compiletest/src/header.rs
++++ b/src/tools/compiletest/src/header.rs
+@@ -806,8 +806,8 @@ pub fn make_test_description<R: Read>(
+ cfg: Option<&str>,
+ ) -> test::TestDesc {
+ let mut ignore = false;
+ #[cfg(not(bootstrap))]
+- let ignore_message: Option<String> = None;
++ let ignore_message: Option<&str> = None;
+ let mut should_fail = false;
+
+ let rustc_has_profiler_support = env::var_os("RUSTC_PROFILER_SUPPORT").is_some();
+
+diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs
+index 8431aa7b818..a3ff7e68ce5 100644
+--- a/src/tools/compiletest/src/runtest.rs
++++ b/src/tools/compiletest/src/runtest.rs
+@@ -3489,11 +3489,7 @@ fn normalize_output(&self, output: &str, custom_rules: &[(String, String)]) -> S
+ .join("library");
+ normalize_path(&src_dir, "$(echo '$SRC_DIR')");
+
+- if let Some(virtual_rust_source_base_dir) =
+- option_env!("CFG_VIRTUAL_RUST_SOURCE_BASE_DIR").map(PathBuf::from)
+- {
+- normalize_path(&virtual_rust_source_base_dir.join("library"), "$(echo '$SRC_DIR')");
+- }
++ normalize_path(&Path::new("$(cd ../build_sysroot/sysroot_src/library; pwd)"), "$(echo '$SRC_DIR')");
+
+ // Paths into the build directory
+ let test_build_dir = &self.config.build_base;
EOF
cat > config.toml <<EOF
+changelog-seen = 2
+
[llvm]
ninja = false