diff --git a/.gitignore b/.gitignore
index 999f79e..34be546 100644
--- a/.gitignore
+++ b/.gitignore
@@ -452,3 +452,11 @@
 /rustc-1.85.1-src.tar.xz
 /rustc-1.86.0-src.tar.xz
 /wasi-libc-640c0cfc19a96b099e0791824be5ef0105ce2084.tar.gz
+/rustc-1.87.0-src.tar.xz
+/rustc-1.88.0-src.tar.xz
+/wasi-libc-wasi-sdk-27.tar.gz
+/rustc-1.89.0-src.tar.xz
+/rustc-1.90.0-src.tar.xz
+/rustc-1.91.0-src.tar.xz
+/rustc-1.91.1-src.tar.xz
+/rustc-1.92.0-src.tar.xz
diff --git a/0001-Let-environment-variables-override-some-default-CPUs.patch b/0001-Let-environment-variables-override-some-default-CPUs.patch
index 302c7fd..fa654c6 100644
--- a/0001-Let-environment-variables-override-some-default-CPUs.patch
+++ b/0001-Let-environment-variables-override-some-default-CPUs.patch
@@ -1,4 +1,4 @@
-From 5273432acfae75d6e509bbebcf8d28b0f3d820d0 Mon Sep 17 00:00:00 2001
+From e54c0a4cc8bd8a76b155714b23a61d1d32a8d069 Mon Sep 17 00:00:00 2001
 From: Josh Stone <jistone@redhat.com>
 Date: Fri, 9 Jun 2023 15:23:08 -0700
 Subject: [PATCH] Let environment variables override some default CPUs
@@ -10,10 +10,10 @@ Subject: [PATCH] Let environment variables override some default CPUs
  3 files changed, 3 insertions(+), 3 deletions(-)
 
 diff --git a/compiler/rustc_target/src/spec/targets/powerpc64le_unknown_linux_gnu.rs b/compiler/rustc_target/src/spec/targets/powerpc64le_unknown_linux_gnu.rs
-index 23913687a1fd..3253fbc84c74 100644
+index 9e406af53b5..9104903673f 100644
 --- a/compiler/rustc_target/src/spec/targets/powerpc64le_unknown_linux_gnu.rs
 +++ b/compiler/rustc_target/src/spec/targets/powerpc64le_unknown_linux_gnu.rs
-@@ -2,7 +2,7 @@
+@@ -4,7 +4,7 @@
  
  pub(crate) fn target() -> Target {
      let mut base = base::linux_gnu::opts();
@@ -23,23 +23,23 @@ index 23913687a1fd..3253fbc84c74 100644
      base.max_atomic_width = Some(64);
      base.stack_probes = StackProbeType::Inline;
 diff --git a/compiler/rustc_target/src/spec/targets/s390x_unknown_linux_gnu.rs b/compiler/rustc_target/src/spec/targets/s390x_unknown_linux_gnu.rs
-index a84a18a433ff..441af1018ff3 100644
+index cdcf7d62a3e..02f24274ed2 100644
 --- a/compiler/rustc_target/src/spec/targets/s390x_unknown_linux_gnu.rs
 +++ b/compiler/rustc_target/src/spec/targets/s390x_unknown_linux_gnu.rs
-@@ -5,7 +5,7 @@ pub(crate) fn target() -> Target {
+@@ -6,7 +6,7 @@ pub(crate) fn target() -> Target {
      let mut base = base::linux_gnu::opts();
      base.endian = Endian::Big;
      // z10 is the oldest CPU supported by LLVM
 -    base.cpu = "z10".into();
 +    base.cpu = option_env!("RUSTC_TARGET_CPU_S390X").unwrap_or("z10").into();
      base.max_atomic_width = Some(128);
-     base.min_global_align = Some(16);
+     base.min_global_align = Some(Align::from_bits(16).unwrap());
      base.stack_probes = StackProbeType::Inline;
 diff --git a/compiler/rustc_target/src/spec/targets/x86_64_unknown_linux_gnu.rs b/compiler/rustc_target/src/spec/targets/x86_64_unknown_linux_gnu.rs
-index 59ec6c7f9d5f..b6f1be890b20 100644
+index 0c8353fad18..c2515e700bb 100644
 --- a/compiler/rustc_target/src/spec/targets/x86_64_unknown_linux_gnu.rs
 +++ b/compiler/rustc_target/src/spec/targets/x86_64_unknown_linux_gnu.rs
-@@ -2,7 +2,7 @@
+@@ -4,7 +4,7 @@
  
  pub(crate) fn target() -> Target {
      let mut base = base::linux_gnu::opts();
@@ -49,5 +49,5 @@ index 59ec6c7f9d5f..b6f1be890b20 100644
      base.max_atomic_width = Some(64);
      base.add_pre_link_args(LinkerFlavor::Gnu(Cc::Yes, Lld::No), &["-m64"]);
 -- 
-2.47.1
+2.49.0
 
diff --git a/0001-Use-lld-provided-by-system.patch b/0001-Use-lld-provided-by-system.patch
index 63c9b14..522865f 100644
--- a/0001-Use-lld-provided-by-system.patch
+++ b/0001-Use-lld-provided-by-system.patch
@@ -1,4 +1,4 @@
-From 687112c89c9058ef1e79f1c3a974940b1ae43ea3 Mon Sep 17 00:00:00 2001
+From e9405caf32dfb31bf17c3da0299df515a3755107 Mon Sep 17 00:00:00 2001
 From: Josh Stone <jistone@redhat.com>
 Date: Fri, 16 Aug 2024 10:12:58 -0700
 Subject: [PATCH] Use lld provided by system
@@ -12,12 +12,12 @@ Subject: [PATCH] Use lld provided by system
  5 files changed, 5 insertions(+), 4 deletions(-)
 
 diff --git a/compiler/rustc_target/src/spec/base/wasm.rs b/compiler/rustc_target/src/spec/base/wasm.rs
-index 81b96cd39ffa..4c9916af826b 100644
+index 7ede45766ea..b22362227bb 100644
 --- a/compiler/rustc_target/src/spec/base/wasm.rs
 +++ b/compiler/rustc_target/src/spec/base/wasm.rs
-@@ -85,8 +85,7 @@ macro_rules! args {
-         // arguments just yet
-         limit_rdylib_exports: false,
+@@ -81,8 +81,7 @@ macro_rules! args {
+         // threaded model which will legalize atomics to normal operations.
+         singlethread: true,
  
 -        // we use the LLD shipped with the Rust toolchain by default
 -        linker: Some("rust-lld".into()),
@@ -26,7 +26,7 @@ index 81b96cd39ffa..4c9916af826b 100644
  
          pre_link_args,
 diff --git a/compiler/rustc_target/src/spec/targets/aarch64_unknown_none_softfloat.rs b/compiler/rustc_target/src/spec/targets/aarch64_unknown_none_softfloat.rs
-index 3b719ebaf07e..8b4fecee68f0 100644
+index 35a4dd72b86..a9c8fc5edb8 100644
 --- a/compiler/rustc_target/src/spec/targets/aarch64_unknown_none_softfloat.rs
 +++ b/compiler/rustc_target/src/spec/targets/aarch64_unknown_none_softfloat.rs
 @@ -15,7 +15,7 @@ pub(crate) fn target() -> Target {
@@ -39,7 +39,7 @@ index 3b719ebaf07e..8b4fecee68f0 100644
          relocation_model: RelocModel::Static,
          disable_redzone: true,
 diff --git a/compiler/rustc_target/src/spec/targets/aarch64_unknown_uefi.rs b/compiler/rustc_target/src/spec/targets/aarch64_unknown_uefi.rs
-index 9656024ddaa1..2099fa17229f 100644
+index 327b52389b9..17313d7e8b3 100644
 --- a/compiler/rustc_target/src/spec/targets/aarch64_unknown_uefi.rs
 +++ b/compiler/rustc_target/src/spec/targets/aarch64_unknown_uefi.rs
 @@ -9,6 +9,7 @@ pub(crate) fn target() -> Target {
@@ -51,7 +51,7 @@ index 9656024ddaa1..2099fa17229f 100644
      Target {
          llvm_target: "aarch64-unknown-windows".into(),
 diff --git a/compiler/rustc_target/src/spec/targets/x86_64_unknown_none.rs b/compiler/rustc_target/src/spec/targets/x86_64_unknown_none.rs
-index e14a36735894..b493d7d98b46 100644
+index 1a6343595f5..8015b082cd1 100644
 --- a/compiler/rustc_target/src/spec/targets/x86_64_unknown_none.rs
 +++ b/compiler/rustc_target/src/spec/targets/x86_64_unknown_none.rs
 @@ -19,7 +19,7 @@ pub(crate) fn target() -> Target {
@@ -64,17 +64,17 @@ index e14a36735894..b493d7d98b46 100644
          features: "-mmx,-sse,-sse2,-sse3,-ssse3,-sse4.1,-sse4.2,-avx,-avx2,+soft-float".into(),
          supported_sanitizers: SanitizerSet::KCFI | SanitizerSet::KERNELADDRESS,
 diff --git a/compiler/rustc_target/src/spec/targets/x86_64_unknown_uefi.rs b/compiler/rustc_target/src/spec/targets/x86_64_unknown_uefi.rs
-index bce6aa0ebc6b..7fa1148a1de7 100644
+index 0cf6a879462..3677fc662de 100644
 --- a/compiler/rustc_target/src/spec/targets/x86_64_unknown_uefi.rs
 +++ b/compiler/rustc_target/src/spec/targets/x86_64_unknown_uefi.rs
-@@ -14,6 +14,7 @@ pub(crate) fn target() -> Target {
+@@ -15,6 +15,7 @@ pub(crate) fn target() -> Target {
      base.plt_by_default = false;
      base.max_atomic_width = Some(64);
-     base.entry_abi = Conv::X86_64Win64;
+     base.entry_abi = CanonAbi::X86(X86Call::Win64);
 +    base.linker = Some("lld".into());
  
      // We disable MMX and SSE for now, even though UEFI allows using them. Problem is, you have to
      // enable these CPU features explicitly before their first use, otherwise their instructions
 -- 
-2.48.1
+2.51.0
 
diff --git a/0001-bootstrap-allow-disabling-target-self-contained.patch b/0001-bootstrap-allow-disabling-target-self-contained.patch
index 9ee7b78..54ca101 100644
--- a/0001-bootstrap-allow-disabling-target-self-contained.patch
+++ b/0001-bootstrap-allow-disabling-target-self-contained.patch
@@ -1,36 +1,34 @@
-From c3307f4e1826cabd8e7e4a54636b0e79afb97835 Mon Sep 17 00:00:00 2001
+From 8364de4cb8edab85efcb895824ce06f4a95bd26f Mon Sep 17 00:00:00 2001
 From: Josh Stone <jistone@redhat.com>
-Date: Thu, 28 Sep 2023 18:14:28 -0700
-Subject: [PATCH 1/2] bootstrap: allow disabling target self-contained
+Date: Mon, 18 Aug 2025 17:11:07 -0700
+Subject: [PATCH] bootstrap: allow disabling target self-contained
 
 ---
- config.example.toml                           | 5 +++++
+ bootstrap.example.toml                        | 5 +++++
  src/bootstrap/src/core/build_steps/compile.rs | 4 ++++
- src/bootstrap/src/core/config/config.rs       | 8 ++++++++
+ src/bootstrap/src/core/config/config.rs       | 4 ++++
+ src/bootstrap/src/core/config/toml/target.rs  | 5 +++++
  src/bootstrap/src/lib.rs                      | 5 +++++
- 4 files changed, 22 insertions(+)
+ 5 files changed, 23 insertions(+)
 
-diff --git a/config.example.toml b/config.example.toml
-index f5395375afe4..a96368ae4ef2 100644
---- a/config.example.toml
-+++ b/config.example.toml
-@@ -927,6 +927,11 @@
- # order to run `x check`.
- #optimized-compiler-builtins = build.optimized-compiler-builtins (bool)
- 
+diff --git a/bootstrap.example.toml b/bootstrap.example.toml
+index 6f37e51a47d..ee21bc06bea 100644
+--- a/bootstrap.example.toml
++++ b/bootstrap.example.toml
+@@ -1077,3 +1077,8 @@
+ # pass `off`:
+ # - x86_64-unknown-linux-gnu
+ #default-linker-linux-override = "off" (for most targets)
++
 +# Copy libc and CRT objects into the target lib/self-contained/ directory.
 +# Enabled by default on `musl`, `wasi`, and `windows-gnu` targets. Other
 +# targets may ignore this setting if they have nothing to be contained.
 +#self-contained = <platform-specific> (bool)
-+
- # =============================================================================
- # Distribution options
- #
 diff --git a/src/bootstrap/src/core/build_steps/compile.rs b/src/bootstrap/src/core/build_steps/compile.rs
-index 479327d63695..97d2bf2df8bb 100644
+index 6857a40ada8..9a98323a704 100644
 --- a/src/bootstrap/src/core/build_steps/compile.rs
 +++ b/src/bootstrap/src/core/build_steps/compile.rs
-@@ -327,6 +327,10 @@ fn copy_self_contained_objects(
+@@ -368,6 +368,10 @@ fn copy_self_contained_objects(
      compiler: &Compiler,
      target: TargetSelection,
  ) -> Vec<(PathBuf, DependencyType)> {
@@ -42,18 +40,48 @@ index 479327d63695..97d2bf2df8bb 100644
          builder.sysroot_target_libdir(*compiler, target).join("self-contained");
      t!(fs::create_dir_all(&libdir_self_contained));
 diff --git a/src/bootstrap/src/core/config/config.rs b/src/bootstrap/src/core/config/config.rs
-index 65f286a05bd5..dc4d6f741bcf 100644
+index 4b7ae6df360..6bab269a33c 100644
 --- a/src/bootstrap/src/core/config/config.rs
 +++ b/src/bootstrap/src/core/config/config.rs
-@@ -643,6 +643,7 @@ pub struct Target {
-     pub no_std: bool,
-     pub codegen_backends: Option<Vec<String>>,
-     pub optimized_compiler_builtins: Option<bool>,
+@@ -864,6 +864,7 @@ pub(crate) fn parse_inner(
+                     runner: target_runner,
+                     optimized_compiler_builtins: target_optimized_compiler_builtins,
+                     jemalloc: target_jemalloc,
++                    self_contained: target_self_contained
+                 } = cfg;
+ 
+                 let mut target = Target::from_triple(&triple);
+@@ -921,6 +922,9 @@ pub(crate) fn parse_inner(
+                 if let Some(s) = target_no_std {
+                     target.no_std = s;
+                 }
++                if let Some(s) = target_self_contained {
++                    target.self_contained = s;
++                }
+                 target.cc = target_cc.map(PathBuf::from);
+                 target.cxx = target_cxx.map(PathBuf::from);
+                 target.ar = target_ar.map(PathBuf::from);
+diff --git a/src/bootstrap/src/core/config/toml/target.rs b/src/bootstrap/src/core/config/toml/target.rs
+index 4c7afa50b96..83b8a1b50ca 100644
+--- a/src/bootstrap/src/core/config/toml/target.rs
++++ b/src/bootstrap/src/core/config/toml/target.rs
+@@ -47,6 +47,7 @@ struct TomlTarget {
+         runner: Option<String> = "runner",
+         optimized_compiler_builtins: Option<CompilerBuiltins> = "optimized-compiler-builtins",
+         jemalloc: Option<bool> = "jemalloc",
++        self_contained: Option<bool> = "self-contained",
+     }
+ }
+ 
+@@ -80,6 +81,7 @@ pub struct Target {
+     pub codegen_backends: Option<Vec<CodegenBackendKind>>,
+     pub optimized_compiler_builtins: Option<CompilerBuiltins>,
+     pub jemalloc: Option<bool>,
 +    pub self_contained: bool,
  }
  
  impl Target {
-@@ -654,6 +655,9 @@ pub fn from_triple(triple: &str) -> Self {
+@@ -91,6 +93,9 @@ pub fn from_triple(triple: &str) -> Self {
          if triple.contains("emscripten") {
              target.runner = Some("node".into());
          }
@@ -63,29 +91,11 @@ index 65f286a05bd5..dc4d6f741bcf 100644
          target
      }
  }
-@@ -1234,6 +1238,7 @@ struct TomlTarget {
-         codegen_backends: Option<Vec<String>> = "codegen-backends",
-         runner: Option<String> = "runner",
-         optimized_compiler_builtins: Option<bool> = "optimized-compiler-builtins",
-+        self_contained: Option<bool> = "self-contained",
-     }
- }
- 
-@@ -2146,6 +2151,9 @@ fn get_table(option: &str) -> Result<TomlConfig, toml::de::Error> {
-                 if let Some(s) = cfg.no_std {
-                     target.no_std = s;
-                 }
-+                if let Some(s) = cfg.self_contained {
-+                    target.self_contained = s;
-+                }
-                 target.cc = cfg.cc.map(PathBuf::from);
-                 target.cxx = cfg.cxx.map(PathBuf::from);
-                 target.ar = cfg.ar.map(PathBuf::from);
 diff --git a/src/bootstrap/src/lib.rs b/src/bootstrap/src/lib.rs
-index 21b02a3b541a..6b98c67457e8 100644
+index dd30f05b728..cc89a84071e 100644
 --- a/src/bootstrap/src/lib.rs
 +++ b/src/bootstrap/src/lib.rs
-@@ -1366,6 +1366,11 @@ fn no_std(&self, target: TargetSelection) -> Option<bool> {
+@@ -1441,6 +1441,11 @@ fn no_std(&self, target: TargetSelection) -> Option<bool> {
          self.config.target_config.get(&target).map(|t| t.no_std)
      }
  
@@ -98,5 +108,5 @@ index 21b02a3b541a..6b98c67457e8 100644
      /// and `remote-test-server` binaries.
      fn remote_tested(&self, target: TargetSelection) -> bool {
 -- 
-2.48.1
+2.51.0
 
diff --git a/0001-only-copy-rustlib-into-stage0-sysroot.patch b/0001-only-copy-rustlib-into-stage0-sysroot.patch
new file mode 100644
index 0000000..6cf8aa9
--- /dev/null
+++ b/0001-only-copy-rustlib-into-stage0-sysroot.patch
@@ -0,0 +1,28 @@
+From 7d83bae4e2577ffa2afaf2fddb6948c1756a403c Mon Sep 17 00:00:00 2001
+From: Paul Murphy <paumurph@redhat.com>
+Date: Thu, 10 Jul 2025 09:06:22 -0500
+Subject: [PATCH] only copy rustlib into stage0 sysroot
+
+Otherwise, much more is copied, and doing so likely runs into
+permissions errors if the bootstrap toolchain lives in the host's
+sysroot.
+---
+ src/bootstrap/src/core/build_steps/compile.rs | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/bootstrap/src/core/build_steps/compile.rs b/src/bootstrap/src/core/build_steps/compile.rs
+index 4d0ae54e1ef..4ef70dd9b97 100644
+--- a/src/bootstrap/src/core/build_steps/compile.rs
++++ b/src/bootstrap/src/core/build_steps/compile.rs
+@@ -811,7 +811,7 @@ fn run(self, builder: &Builder<'_>) {
+                 let _ = fs::remove_dir_all(sysroot.join("lib/rustlib/src/rust"));
+             }
+ 
+-            builder.cp_link_r(&builder.initial_sysroot.join("lib"), &sysroot.join("lib"));
++            builder.cp_link_r(&builder.initial_sysroot.join("lib/rustlib"), &sysroot.join("lib/rustlib"));
+         } else {
+             if builder.download_rustc() {
+                 // Ensure there are no CI-rustc std artifacts.
+-- 
+2.49.0
+
diff --git a/0002-set-an-external-library-path-for-wasm32-wasi.patch b/0002-set-an-external-library-path-for-wasm32-wasi.patch
index 2441d07..89b148f 100644
--- a/0002-set-an-external-library-path-for-wasm32-wasi.patch
+++ b/0002-set-an-external-library-path-for-wasm32-wasi.patch
@@ -1,20 +1,20 @@
-From 9551ffded09131ac225261ab55a7b3c9d09ad3bb Mon Sep 17 00:00:00 2001
+From 862d09fe2e8b0f5ce8fe7bfc592cda66a1d74c08 Mon Sep 17 00:00:00 2001
 From: Josh Stone <jistone@redhat.com>
-Date: Thu, 28 Sep 2023 18:18:16 -0700
+Date: Mon, 18 Aug 2025 17:13:28 -0700
 Subject: [PATCH 2/2] set an external library path for wasm32-wasi
 
 ---
  compiler/rustc_codegen_ssa/src/back/link.rs            | 10 ++++++++++
- compiler/rustc_target/src/spec/json.rs                 |  2 ++
+ compiler/rustc_target/src/spec/json.rs                 |  4 ++++
  compiler/rustc_target/src/spec/mod.rs                  |  2 ++
  .../rustc_target/src/spec/targets/wasm32_wasip1.rs     |  7 ++++---
- 4 files changed, 18 insertions(+), 3 deletions(-)
+ 4 files changed, 20 insertions(+), 3 deletions(-)
 
 diff --git a/compiler/rustc_codegen_ssa/src/back/link.rs b/compiler/rustc_codegen_ssa/src/back/link.rs
-index 105a4cb81f0d..21bd626842c7 100644
+index 48b01ea2df19..59b87396fed2 100644
 --- a/compiler/rustc_codegen_ssa/src/back/link.rs
 +++ b/compiler/rustc_codegen_ssa/src/back/link.rs
-@@ -1686,6 +1686,12 @@ fn get_object_file_path(sess: &Session, name: &str, self_contained: bool) -> Pat
+@@ -1559,6 +1559,12 @@ fn get_object_file_path(sess: &Session, name: &str, self_contained: bool) -> Pat
              return file_path;
          }
      }
@@ -27,10 +27,10 @@ index 105a4cb81f0d..21bd626842c7 100644
      for search_path in sess.target_filesearch().search_paths(PathKind::Native) {
          let file_path = search_path.dir.join(name);
          if file_path.exists() {
-@@ -2186,6 +2192,10 @@ fn add_library_search_dirs(
-             ControlFlow::<()>::Continue(())
-         },
-     );
+@@ -2140,6 +2146,10 @@ fn add_library_search_dirs(
+         }
+         ControlFlow::<()>::Continue(())
+     });
 +
 +    if let Some(lib_path) = &sess.target.options.external_lib_path {
 +        cmd.include_path(Path::new(lib_path.as_ref()));
@@ -39,18 +39,18 @@ index 105a4cb81f0d..21bd626842c7 100644
  
  /// Add options making relocation sections in the produced ELF files read-only
 diff --git a/compiler/rustc_target/src/spec/json.rs b/compiler/rustc_target/src/spec/json.rs
-index f703132e51f0..c4821be7d12e 100644
+index f236be92b3b6..eea6e0c203d2 100644
 --- a/compiler/rustc_target/src/spec/json.rs
 +++ b/compiler/rustc_target/src/spec/json.rs
-@@ -540,6 +540,7 @@ macro_rules! key {
-         key!(linker_is_gnu_json = "linker-is-gnu", bool);
-         key!(pre_link_objects = "pre-link-objects", link_objects);
-         key!(post_link_objects = "post-link-objects", link_objects);
-+        key!(external_lib_path, optional);
-         key!(pre_link_objects_self_contained = "pre-link-objects-fallback", link_objects);
-         key!(post_link_objects_self_contained = "post-link-objects-fallback", link_objects);
-         // Deserializes the backwards-compatible variants of `-Clink-self-contained`
-@@ -723,6 +724,7 @@ macro_rules! target_option_val {
+@@ -81,6 +81,7 @@ macro_rules! forward_opt {
+         forward!(linker_is_gnu_json);
+         forward!(pre_link_objects);
+         forward!(post_link_objects);
++        forward_opt!(external_lib_path);
+         forward!(pre_link_objects_self_contained);
+         forward!(post_link_objects_self_contained);
+ 
+@@ -301,6 +302,7 @@ macro_rules! target_option_val {
          target_option_val!(linker_is_gnu_json, "linker-is-gnu");
          target_option_val!(pre_link_objects);
          target_option_val!(post_link_objects);
@@ -58,11 +58,20 @@ index f703132e51f0..c4821be7d12e 100644
          target_option_val!(pre_link_objects_self_contained, "pre-link-objects-fallback");
          target_option_val!(post_link_objects_self_contained, "post-link-objects-fallback");
          target_option_val!(link_args - pre_link_args_json, "pre-link-args");
+@@ -511,6 +513,8 @@ struct TargetSpecJson {
+     pre_link_objects: Option<CrtObjects>,
+     #[serde(rename = "post-link-objects")]
+     post_link_objects: Option<CrtObjects>,
++    #[serde(rename = "external-lib-path")]
++    external_lib_path: Option<StaticCow<str>>,
+     #[serde(rename = "pre-link-objects-fallback")]
+     pre_link_objects_self_contained: Option<CrtObjects>,
+     #[serde(rename = "post-link-objects-fallback")]
 diff --git a/compiler/rustc_target/src/spec/mod.rs b/compiler/rustc_target/src/spec/mod.rs
-index 794d6457cb78..b2d88a14bb57 100644
+index 07fb1ce63f7c..c076c2836f84 100644
 --- a/compiler/rustc_target/src/spec/mod.rs
 +++ b/compiler/rustc_target/src/spec/mod.rs
-@@ -2237,6 +2237,7 @@ pub struct TargetOptions {
+@@ -1992,6 +1992,7 @@ pub struct TargetOptions {
      /// Objects to link before and after all other object code.
      pub pre_link_objects: CrtObjects,
      pub post_link_objects: CrtObjects,
@@ -70,7 +79,7 @@ index 794d6457cb78..b2d88a14bb57 100644
      /// Same as `(pre|post)_link_objects`, but when self-contained linking mode is enabled.
      pub pre_link_objects_self_contained: CrtObjects,
      pub post_link_objects_self_contained: CrtObjects,
-@@ -2754,6 +2755,7 @@ fn default() -> TargetOptions {
+@@ -2518,6 +2519,7 @@ fn default() -> TargetOptions {
              relro_level: RelroLevel::None,
              pre_link_objects: Default::default(),
              post_link_objects: Default::default(),
@@ -79,10 +88,10 @@ index 794d6457cb78..b2d88a14bb57 100644
              post_link_objects_self_contained: Default::default(),
              link_self_contained: LinkSelfContainedDefault::False,
 diff --git a/compiler/rustc_target/src/spec/targets/wasm32_wasip1.rs b/compiler/rustc_target/src/spec/targets/wasm32_wasip1.rs
-index 0862958d05da..b1e736d68627 100644
+index 26add451ed25..3eaf050e6823 100644
 --- a/compiler/rustc_target/src/spec/targets/wasm32_wasip1.rs
 +++ b/compiler/rustc_target/src/spec/targets/wasm32_wasip1.rs
-@@ -19,11 +19,12 @@ pub(crate) fn target() -> Target {
+@@ -21,11 +21,12 @@ pub(crate) fn target() -> Target {
      options.env = "p1".into();
      options.add_pre_link_args(LinkerFlavor::WasmLld(Cc::Yes), &["--target=wasm32-wasip1"]);
  
@@ -99,5 +108,5 @@ index 0862958d05da..b1e736d68627 100644
      // Right now this is a bit of a workaround but we're currently saying that
      // the target by default has a static crt which we're taking as a signal
 -- 
-2.48.1
+2.51.0
 
diff --git a/rpminspect.yaml b/rpminspect.yaml
index 2a29d4a..a12c8a4 100644
--- a/rpminspect.yaml
+++ b/rpminspect.yaml
@@ -12,12 +12,14 @@ unicode:
         # they are tests for those.
         - rustc-*-src/tests/ui/lint/issue-90614-accept-allow-text-direction-codepoint-in-comment-lint.rs
         - rustc-*-src/tests/ui/parser/unicode-control-codepoints.rs
+        - rustc-*-src/tests/ui/parser/macro/unicode-control-codepoints-macros.rs
+        - rustc-*-src/tests/ui/parser/macro/auxiliary/unicode-control.rs
         - rustc-*-src/compiler/rustc_lint/src/hidden_unicode_codepoints.rs
         - rustc-*-src/compiler/rustc_lint_defs/src/builtin.rs
         - rustc-*-src/vendor/idna/tests/IdnaTestV2.txt
         - rustc-*-src/vendor/idna-*/tests/IdnaTestV2.txt
-        - rustc-*-src/vendor/mdbook*/tests/dummy_book/src/first/unicode.md
-        - rustc-*-src/vendor/mdbook*/tests/searchindex_fixture.json
+        - rustc-*-src/vendor/mdbook*/tests/testsuite/search/reasonable_search_index/expected_index.js
+        - rustc-*-src/vendor/mdbook*/tests/testsuite/search/reasonable_search_index/src/first/unicode.md
         - rustc-*-src/vendor/wast-*/tests/parse-fail/confusing-string?.wat
         - rustc-*-src/vendor/wast-*/tests/parse-fail/confusing-block-comment?.wat
         - rustc-*-src/vendor/wast-*/tests/parse-fail/confusing-line-comment?.wat
diff --git a/rust.spec b/rust.spec
index 370fbb1..b789949 100644
--- a/rust.spec
+++ b/rust.spec
@@ -1,5 +1,5 @@
 Name:           rust
-Version:        1.86.0
+Version:        1.92.0
 Release:        %autorelease
 Summary:        The Rust Programming Language
 License:        (Apache-2.0 OR MIT) AND (Artistic-2.0 AND BSD-3-Clause AND ISC AND MIT AND MPL-2.0 AND Unicode-3.0)
@@ -11,12 +11,12 @@ URL:            https://www.rust-lang.org
 %global rust_arches x86_64 i686 armv7hl aarch64 ppc64le s390x riscv64
 ExclusiveArch:  %{rust_arches}
 
-# To bootstrap from scratch, set the channel and date from src/stage0.json
-# e.g. 1.59.0 wants rustc: 1.58.0-2022-01-13
+# To bootstrap from scratch, set the channel and date from src/stage0
+# e.g. 1.89.0 wants rustc: 1.88.0-2025-06-26
 # or nightly wants some beta-YYYY-MM-DD
-%global bootstrap_version 1.85.0
-%global bootstrap_channel 1.85.0
-%global bootstrap_date 2025-02-20
+%global bootstrap_version 1.91.0
+%global bootstrap_channel 1.91.0
+%global bootstrap_date 2025-10-30
 
 # Only the specified arches will use bootstrap binaries.
 # NOTE: Those binaries used to be uploaded with every new release, but that was
@@ -28,8 +28,7 @@ ExclusiveArch:  %{rust_arches}
 # We need CRT files for *-wasi targets, at least as new as the commit in
 # src/ci/docker/host-x86_64/dist-various-2/build-wasi-toolchain.sh
 %global wasi_libc_url https://github.com/WebAssembly/wasi-libc
-#global wasi_libc_ref wasi-sdk-25
-%global wasi_libc_ref 640c0cfc19a96b099e0791824be5ef0105ce2084
+%global wasi_libc_ref wasi-sdk-27
 %global wasi_libc_name wasi-libc-%{wasi_libc_ref}
 %global wasi_libc_source %{wasi_libc_url}/archive/%{wasi_libc_ref}/%{wasi_libc_name}.tar.gz
 %global wasi_libc_dir %{_builddir}/%{wasi_libc_name}
@@ -43,9 +42,10 @@ ExclusiveArch:  %{rust_arches}
 %bcond_with llvm_static
 
 # We can also choose to just use Rust's bundled LLVM, in case the system LLVM
-# is insufficient.  Rust currently requires LLVM 18.0+.
-%global min_llvm_version 18.0.0
-%global bundled_llvm_version 19.1.7
+# is insufficient. Rust currently requires LLVM 19.0+.
+# See src/bootstrap/src/core/build_steps/llvm.rs, fn check_llvm_version
+%global min_llvm_version 20.0.0
+%global bundled_llvm_version 21.1.3
 #global llvm_compat_version 19
 %global llvm llvm%{?llvm_compat_version}
 %bcond_with bundled_llvm
@@ -54,7 +54,7 @@ ExclusiveArch:  %{rust_arches}
 # This needs to be consistent with the bindings in vendor/libgit2-sys.
 %global min_libgit2_version 1.9.0
 %global next_libgit2_version 1.10.0~
-%global bundled_libgit2_version 1.9.0
+%global bundled_libgit2_version 1.9.1
 %if 0%{?fedora} >= 41
 %bcond_with bundled_libgit2
 %else
@@ -62,7 +62,7 @@ ExclusiveArch:  %{rust_arches}
 %endif
 
 # Try to use system oniguruma (only used at build time for rust-docs)
-# src/tools/rustbook -> ... -> onig_sys v69.8.1 needs at least 6.9.3
+# src/tools/rustbook -> ... -> onig_sys v69.9.1 needs at least 6.9.3
 %global min_oniguruma_version 6.9.3
 %if 0%{?rhel} && 0%{?rhel} < 9
 %bcond_without bundled_oniguruma
@@ -72,7 +72,7 @@ ExclusiveArch:  %{rust_arches}
 
 # Cargo uses UPSERTs with omitted conflict targets
 %global min_sqlite3_version 3.35
-%global bundled_sqlite3_version 3.48.0
+%global bundled_sqlite3_version 3.50.2
 %if 0%{?rhel} && 0%{?rhel} < 10
 %bcond_without bundled_sqlite3
 %else
@@ -138,7 +138,10 @@ Patch4:         0001-bootstrap-allow-disabling-target-self-contained.patch
 Patch5:         0002-set-an-external-library-path-for-wasm32-wasi.patch
 
 # We don't want to use the bundled library in libsqlite3-sys
-Patch6:         rustc-1.86.0-unbundle-sqlite.patch
+Patch6:         rustc-1.92.0-unbundle-sqlite.patch
+
+# stage0 tries to copy all of /usr/lib, sometimes unsuccessfully, see #143735
+Patch7:         0001-only-copy-rustlib-into-stage0-sysroot.patch
 
 ### RHEL-specific patches below ###
 
@@ -149,7 +152,7 @@ Source102:      cargo_vendor.attr
 Source103:      cargo_vendor.prov
 
 # Disable cargo->libgit2->libssh2 on RHEL, as it's not approved for FIPS (rhbz1732949)
-Patch100:       rustc-1.86.0-disable-libssh2.patch
+Patch100:       rustc-1.92.0-disable-libssh2.patch
 
 # Get the Rust triple for any architecture and ABI.
 %{lua: function rust_triple(arch, abi)
@@ -289,6 +292,7 @@ BuildRequires:  %{llvm}-devel >= %{min_llvm_version}
 %if %with llvm_static
 BuildRequires:  %{llvm}-static
 BuildRequires:  libffi-devel
+BuildRequires:  libxml2-devel
 %endif
 %endif
 
@@ -298,7 +302,7 @@ BuildRequires:  procps-ng
 # debuginfo-gdb tests need gdb
 BuildRequires:  gdb
 # Work around https://bugzilla.redhat.com/show_bug.cgi?id=2275274:
-# gdb currently prints a "Unable to load 'rpm' module.  Please install the python3-rpm package."
+# gdb currently prints a "Unable to load 'rpm' module. Please install the python3-rpm package."
 # message that breaks version detection.
 BuildRequires:  python3-rpm
 
@@ -312,7 +316,7 @@ Provides:       rustc%{?_isa} = %{version}-%{release}
 # Always require our exact standard library
 Requires:       %{name}-std-static%{?_isa} = %{version}-%{release}
 
-# The C compiler is needed at runtime just for linking.  Someday rustc might
+# The C compiler is needed at runtime just for linking. Someday rustc might
 # invoke the linker directly, and then we'll only need binutils.
 # https://github.com/rust-lang/rust/issues/11937
 Requires:       /usr/bin/cc
@@ -379,6 +383,7 @@ Obsoletes:      %{name}-analysis < 1.69.0~
   mkdir -p build/manifests/%{-n*}             \
   %{shrink:                                   \
     env RUSTC_BOOTSTRAP=1                     \
+      RUSTC=%{local_rust_root}/bin/rustc      \
       %{local_rust_root}/bin/cargo tree       \
       --offline --edges normal,build          \
       --prefix none --format "{p}"            \
@@ -391,8 +396,10 @@ Obsoletes:      %{name}-analysis < 1.69.0~
     >build/manifests/%{-n*}/cargo-vendor.txt  \
   }                                           \
 )
+%ifnarch %{bootstrap_arches}
 %{?fedora:BuildRequires: cargo-rpm-macros}
 %{?rhel:BuildRequires: rust-toolset}
+%endif
 
 %description
 Rust is a systems programming language that runs blazingly fast, prevents
@@ -502,6 +509,8 @@ Summary:        GDB pretty printers for Rust
 BuildArch:      noarch
 Requires:       gdb
 Requires:       %{name}-debugger-common = %{version}-%{release}
+# rust-gdb uses rustc to find the sysroot
+Requires:       %{name} = %{version}-%{release}
 
 %description gdb
 This package includes the rust-gdb script, which allows easier debugging of Rust
@@ -514,6 +523,8 @@ BuildArch:      noarch
 Requires:       lldb
 Requires:       python3-lldb
 Requires:       %{name}-debugger-common = %{version}-%{release}
+# rust-lldb uses rustc to find the sysroot
+Requires:       %{name} = %{version}-%{release}
 
 %description lldb
 This package includes the rust-lldb script, which allows easier debugging of Rust
@@ -552,7 +563,7 @@ BuildRequires:  git-core
 # in sync since some feature development depends on them together.
 Requires:       %{name} = %{version}-%{release}
 
-# "cargo vendor" is a builtin command starting with 1.37.  The Obsoletes and
+# "cargo vendor" is a builtin command starting with 1.37. The Obsoletes and
 # Provides are mostly relevant to RHEL, but harmless to have on Fedora/etc. too
 Obsoletes:      cargo-vendor <= 0.1.23
 Provides:       cargo-vendor = %{version}-%{release}
@@ -618,7 +629,7 @@ BuildArch:      noarch
 Recommends:     %{name}-std-static = %{version}-%{release}
 
 %description src
-This package includes source files for the Rust standard library.  It may be
+This package includes source files for the Rust standard library. It may be
 useful as a reference for code completion tools in various editors.
 
 
@@ -682,6 +693,7 @@ rm -rf %{wasi_libc_dir}/dlmalloc/
 %if %without bundled_sqlite3
 %patch -P6 -p1
 %endif
+%patch -P7 -p1
 
 %if %with disabled_libssh2
 %patch -P100 -p1
@@ -738,12 +750,12 @@ sed -i.lzma -e '/LZMA_API_STATIC/d' src/bootstrap/src/core/build_steps/tool.rs
 %if %{without bundled_llvm} && %{with llvm_static}
 # Static linking to distro LLVM needs to add -lffi
 # https://github.com/rust-lang/rust/issues/34486
-sed -i.ffi -e '$a #[link(name = "ffi")] extern {}' \
+sed -i.ffi -e '$a #[link(name = "ffi")] extern "C" {}' \
   compiler/rustc_llvm/src/lib.rs
 %endif
 
 # The configure macro will modify some autoconf-related files, which upsets
-# cargo when it tries to verify checksums in those files.  If we just truncate
+# cargo when it tries to verify checksums in those files. If we just truncate
 # that file list, cargo won't have anything to complain about.
 find vendor -name .cargo-checksum.json \
   -exec sed -i.uncheck -e 's/"files":{[^}]*}/"files":{ }/' '{}' '+'
@@ -788,7 +800,7 @@ end}
 
 # Some builders have relatively little memory for their CPU count.
 # At least 4GB per CPU is a good rule of thumb for building rustc.
-%if ! %defined constrain_build
+%if %undefined constrain_build
 %define constrain_build(m:) %{lua:
   for l in io.lines('/proc/meminfo') do
     if l:sub(1, 9) == "MemTotal:" then
@@ -835,11 +847,20 @@ end}
 %endif
 %endif
 
-# Find the compiler-rt library for the Rust profiler_builtins crate.
+# Find the compiler-rt library for the Rust profiler_builtins and optimized-builtins crates.
 %define clang_lib %{expand:%%clang%{?llvm_compat_version}_resource_dir}/lib
 %define profiler %{clang_lib}/%{_arch}-redhat-linux-gnu/libclang_rt.profile.a
 test -r "%{profiler}"
 
+# llvm < 21 does not provide a builtins library for s390x.
+%if "%{_arch}" != "s390x" || 0%{?clang_major_version} >= 21
+%define optimized_builtins %{clang_lib}/%{_arch}-redhat-linux-gnu/libclang_rt.builtins.a
+test -r "%{optimized_builtins}"
+%else
+%define optimized_builtins false
+%endif
+
+
 %configure --disable-option-checking \
   --docdir=%{_pkgdocdir} \
   --libdir=%{common_libdir} \
@@ -850,6 +871,7 @@ test -r "%{profiler}"
   --set target.%{rust_triple}.ar=%{__ar} \
   --set target.%{rust_triple}.ranlib=%{__ranlib} \
   --set target.%{rust_triple}.profiler="%{profiler}" \
+  --set target.%{rust_triple}.optimized-compiler-builtins="%{optimized_builtins}" \
   %{?mingw_target_config} \
   %{?wasm_target_config} \
   --python=%{__python3} \
@@ -870,8 +892,9 @@ test -r "%{profiler}"
   --set build.test-stage=2 \
   --set build.optimized-compiler-builtins=false \
   --set rust.llvm-tools=false \
+  --set rust.verify-llvm-ir=true \
   --enable-extended \
-  --tools=cargo,clippy,rls,rust-analyzer,rustfmt,src \
+  --tools=cargo,clippy,rust-analyzer,rustdoc,rustfmt,src \
   --enable-vendor \
   --enable-verbose-tests \
   --release-channel=%{channel} \
@@ -879,15 +902,19 @@ test -r "%{profiler}"
 
 %global __x %{__python3} ./x.py
 
-%if %with rustc_pgo
+%if %{with rustc_pgo}
 # Build the compiler with profile instrumentation
 %define profraw $PWD/build/profiles
 %define profdata $PWD/build/rustc.profdata
 mkdir -p "%{profraw}"
 %{__x} build sysroot --rust-profile-generate="%{profraw}"
 # Build cargo as a workload to generate compiler profiles
+# We normally use `x.py`, but in this case we invoke the stage 2 compiler and libs
+# directly to ensure we use the instrumented compiler.
 env LLVM_PROFILE_FILE="%{profraw}/default_%%m_%%p.profraw" \
-  %{__x} --keep-stage=0 --keep-stage=1 build cargo
+  LD_LIBRARY_PATH=$PWD/build/host/stage2/lib \
+  RUSTC=$PWD/build/host/stage2/bin/rustc \
+  cargo build --manifest-path=src/tools/cargo/Cargo.toml
 # Finalize the profile data and clean up the raw files
 llvm-profdata merge -o "%{profdata}" "%{profraw}"
 rm -r "%{profraw}" build/%{rust_triple}/stage2*/
@@ -933,9 +960,6 @@ for triple in %{?all_targets} ; do
   DESTDIR=%{buildroot} %{__x} install --target=$triple std
 done
 
-# The rls stub doesn't have an install target, but we can just copy it.
-%{__install} -t %{buildroot}%{_bindir} build/%{rust_triple}/stage2-tools-bin/rls
-
 # These are transient files used by x.py dist and install
 rm -rf ./build/dist/ ./build/tmp/
 
@@ -1040,9 +1064,29 @@ rm -rf "$TMP_HELLO"
 %{__x} test --no-fail-fast --skip={src/bootstrap,tests/crashes} || :
 rm -rf "./build/%{rust_triple}/test/"
 
+# Cargo tests skip list
+# Every test skipped here must have a documented reason to be skipped.
+# Duplicates are safe to add.
+
+# This test relies on the DNS to fail to resolve the host. DNS is not enabled
+# in mock in koji so the DNS resolution doesn't take place to begin with.
+# We test this after packaging
+%global cargo_test_skip_list net_err_suggests_fetch_with_cli
+
 %ifarch aarch64
 # https://github.com/rust-lang/rust/issues/123733
-%define cargo_test_skip --test-args "--skip panic_abort_doc_tests"
+%global cargo_test_skip_list %{cargo_test_skip_list} panic_abort_doc_tests
+%endif
+%if %with disabled_libssh2
+# These tests need ssh - guaranteed to fail when libssh2 is disabled.
+%global cargo_test_skip_list %{shrink:
+  %{cargo_test_skip_list}
+  net_err_suggests_fetch_with_cli
+  ssh_something_happens
+}
+%endif
+%if "%{cargo_test_skip_list}" != ""
+%define cargo_test_skip --test-args "%(printf -- '--skip %%s ' %{cargo_test_skip_list})"
 %endif
 %{__x} test --no-fail-fast cargo %{?cargo_test_skip} || :
 rm -rf "./build/%{rust_triple}/stage2-tools/%{rust_triple}/cit/"
@@ -1053,7 +1097,6 @@ rm -rf "./build/%{rust_triple}/stage2-tools/%{rust_triple}/cit/"
 
 %{__x} test --no-fail-fast rustfmt || :
 
-
 %ldconfig_scriptlets
 
 
@@ -1069,6 +1112,7 @@ rm -rf "./build/%{rust_triple}/stage2-tools/%{rust_triple}/cit/"
 %license build/manifests/rustc/cargo-vendor.txt
 %license %{_pkgdocdir}/COPYRIGHT.html
 %license %{_pkgdocdir}/licenses/
+%exclude %{_sysconfdir}/target-spec-json-schema.json
 
 
 %files std-static
@@ -1180,7 +1224,6 @@ rm -rf "./build/%{rust_triple}/stage2-tools/%{rust_triple}/cit/"
 
 
 %files analyzer
-%{_bindir}/rls
 %{_bindir}/rust-analyzer
 %doc src/tools/rust-analyzer/README.md
 %license src/tools/rust-analyzer/LICENSE-{APACHE,MIT}
diff --git a/rustc-1.86.0-disable-libssh2.patch b/rustc-1.86.0-disable-libssh2.patch
deleted file mode 100644
index 8b07bde..0000000
--- a/rustc-1.86.0-disable-libssh2.patch
+++ /dev/null
@@ -1,44 +0,0 @@
-diff -up rustc-beta-src/src/tools/cargo/Cargo.lock.orig rustc-beta-src/src/tools/cargo/Cargo.lock
---- rustc-beta-src/src/tools/cargo/Cargo.lock.orig	2025-03-11 15:36:38.387335541 -0700
-+++ rustc-beta-src/src/tools/cargo/Cargo.lock	2025-03-11 15:39:27.491711044 -0700
-@@ -2528,7 +2528,6 @@ checksum = "e1a117465e7e1597e8febea8bb0c
- dependencies = [
-  "cc",
-  "libc",
-- "libssh2-sys",
-  "libz-sys",
-  "openssl-sys",
-  "pkg-config",
-@@ -2574,20 +2573,6 @@ dependencies = [
-  "pkg-config",
-  "vcpkg",
- ]
--
--[[package]]
--name = "libssh2-sys"
--version = "0.3.1"
--source = "registry+https://github.com/rust-lang/crates.io-index"
--checksum = "220e4f05ad4a218192533b300327f5150e809b54c4ec83b5a1d91833601811b9"
--dependencies = [
-- "cc",
-- "libc",
-- "libz-sys",
-- "openssl-sys",
-- "pkg-config",
-- "vcpkg",
--]
- 
- [[package]]
- name = "libz-sys"
-diff -up rustc-beta-src/src/tools/cargo/Cargo.toml.orig rustc-beta-src/src/tools/cargo/Cargo.toml
---- rustc-beta-src/src/tools/cargo/Cargo.toml.orig	2025-03-11 15:36:38.389045348 -0700
-+++ rustc-beta-src/src/tools/cargo/Cargo.toml	2025-03-11 15:38:36.948228456 -0700
-@@ -47,7 +47,7 @@ curl = "0.4.47"
- curl-sys = "0.4.79"
- filetime = "0.2.25"
- flate2 = { version = "1.0.35", default-features = false, features = ["zlib"] }
--git2 = "0.20.0"
-+git2 = { version = "0.20.0", default-features = false, features = ["https"] }
- git2-curl = "0.21.0"
- gix = { version = "0.70.0", default-features = false, features = ["blocking-http-transport-curl", "progress-tree", "parallel", "dirwalk"] }
- glob = "0.3.2"
diff --git a/rustc-1.86.0-unbundle-sqlite.patch b/rustc-1.86.0-unbundle-sqlite.patch
deleted file mode 100644
index 19f5fce..0000000
--- a/rustc-1.86.0-unbundle-sqlite.patch
+++ /dev/null
@@ -1,23 +0,0 @@
-diff -up rustc-beta-src/src/tools/cargo/Cargo.lock.orig rustc-beta-src/src/tools/cargo/Cargo.lock
---- rustc-beta-src/src/tools/cargo/Cargo.lock.orig	2025-03-11 15:30:39.383119717 -0700
-+++ rustc-beta-src/src/tools/cargo/Cargo.lock	2025-03-11 15:32:12.486164705 -0700
-@@ -2571,7 +2571,6 @@ version = "0.31.0"
- source = "registry+https://github.com/rust-lang/crates.io-index"
- checksum = "ad8935b44e7c13394a179a438e0cebba0fe08fe01b54f152e29a93b5cf993fd4"
- dependencies = [
-- "cc",
-  "pkg-config",
-  "vcpkg",
- ]
-diff -up rustc-beta-src/src/tools/cargo/Cargo.toml.orig rustc-beta-src/src/tools/cargo/Cargo.toml
---- rustc-beta-src/src/tools/cargo/Cargo.toml.orig	2025-03-11 15:30:39.384466481 -0700
-+++ rustc-beta-src/src/tools/cargo/Cargo.toml	2025-03-11 15:32:05.989298381 -0700
-@@ -80,7 +80,7 @@ proptest = "1.6.0"
- pulldown-cmark = { version = "0.12.2", default-features = false, features = ["html"] }
- rand = "0.9.0"
- regex = "1.11.1"
--rusqlite = { version = "0.33.0", features = ["bundled"] }
-+rusqlite = { version = "0.33.0", features = [] }
- rustc-hash = "2.1.1"
- rustc-stable-hash = "0.1.1"
- rustfix = { version = "0.9.0", path = "crates/rustfix" }
diff --git a/rustc-1.92.0-disable-libssh2.patch b/rustc-1.92.0-disable-libssh2.patch
new file mode 100644
index 0000000..a03668f
--- /dev/null
+++ b/rustc-1.92.0-disable-libssh2.patch
@@ -0,0 +1,44 @@
+diff -up rustc-beta-src/src/tools/cargo/Cargo.lock.orig rustc-beta-src/src/tools/cargo/Cargo.lock
+--- rustc-beta-src/src/tools/cargo/Cargo.lock.orig	2025-08-16 15:47:14.000000000 -0700
++++ rustc-beta-src/src/tools/cargo/Cargo.lock	2025-08-18 17:31:39.554771554 -0700
+@@ -2800,7 +2800,6 @@ checksum = "1c42fe03df2bd3c53a3a9c7317ad
+ dependencies = [
+  "cc",
+  "libc",
+- "libssh2-sys",
+  "libz-sys",
+  "openssl-sys",
+  "pkg-config",
+@@ -2847,20 +2846,6 @@ dependencies = [
+  "pkg-config",
+  "vcpkg",
+ ]
+-
+-[[package]]
+-name = "libssh2-sys"
+-version = "0.3.1"
+-source = "registry+https://github.com/rust-lang/crates.io-index"
+-checksum = "220e4f05ad4a218192533b300327f5150e809b54c4ec83b5a1d91833601811b9"
+-dependencies = [
+- "cc",
+- "libc",
+- "libz-sys",
+- "openssl-sys",
+- "pkg-config",
+- "vcpkg",
+-]
+ 
+ [[package]]
+ name = "libz-rs-sys"
+diff -up rustc-beta-src/src/tools/cargo/Cargo.toml.orig rustc-beta-src/src/tools/cargo/Cargo.toml
+--- rustc-beta-src/src/tools/cargo/Cargo.toml.orig	2025-08-16 15:47:14.000000000 -0700
++++ rustc-beta-src/src/tools/cargo/Cargo.toml	2025-08-18 17:33:02.401743230 -0700
+@@ -46,7 +46,7 @@ curl = "0.4.48"
+ curl-sys = "0.4.83"
+ filetime = "0.2.26"
+ flate2 = { version = "1.1.2", default-features = false, features = ["zlib-rs"] }
+-git2 = "0.20.2"
++git2 = { version = "0.20.2", default-features = false, features = ["https"] }
+ git2-curl = "0.21.0"
+ # When updating this, also see if `gix-transport` further down needs updating or some auth-related tests will fail.
+ gix = { version = "0.73.0", default-features = false, features = ["progress-tree", "parallel", "dirwalk", "status"] }
diff --git a/rustc-1.92.0-unbundle-sqlite.patch b/rustc-1.92.0-unbundle-sqlite.patch
new file mode 100644
index 0000000..fb0b284
--- /dev/null
+++ b/rustc-1.92.0-unbundle-sqlite.patch
@@ -0,0 +1,23 @@
+diff -up rustc-beta-src/src/tools/cargo/Cargo.lock.orig rustc-beta-src/src/tools/cargo/Cargo.lock
+--- rustc-beta-src/src/tools/cargo/Cargo.lock.orig	2025-11-07 13:31:19.003737886 +0100
++++ rustc-beta-src/src/tools/cargo/Cargo.lock	2025-11-07 13:14:41.637982893 +0100
+@@ -2835,7 +2835,6 @@ version = "0.35.0"
+ source = "registry+https://github.com/rust-lang/crates.io-index"
+ checksum = "133c182a6a2c87864fe97778797e46c7e999672690dc9fa3ee8e241aa4a9c13f"
+ dependencies = [
+- "cc",
+  "pkg-config",
+  "vcpkg",
+ ]
+diff -up rustc-beta-src/src/tools/cargo/Cargo.toml.orig rustc-beta-src/src/tools/cargo/Cargo.toml
+--- rustc-beta-src/src/tools/cargo/Cargo.toml.orig	2025-11-07 13:31:28.338643618 +0100
++++ rustc-beta-src/src/tools/cargo/Cargo.toml	2025-11-07 13:15:00.266505214 +0100
+@@ -81,7 +81,7 @@ proptest = "1.8.0"
+ pulldown-cmark = { version = "0.13.0", default-features = false, features = ["html"] }
+ rand = "0.9.2"
+ regex = "1.11.3"
+-rusqlite = { version = "0.37.0", features = ["bundled"] }
++rusqlite = { version = "0.37.0", features = [] }
+ rustc-hash = "2.1.1"
+ rustc-stable-hash = "0.1.2"
+ rustfix = { version = "0.9.2", path = "crates/rustfix" }
diff --git a/sources b/sources
index 583e27d..682e418 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (rustc-1.86.0-src.tar.xz) = 9ce195e24a03765f7163de16271e3d19d731d4b80fcc2bfd919106c9d42543eade018f712f6947ea3c6e57c6cb2e6841596aa668d608b8da15101a7da14f3097
-SHA512 (wasi-libc-640c0cfc19a96b099e0791824be5ef0105ce2084.tar.gz) = 7626200112b6e55567855b950baf7c9eeaf47e7de34a30eb9e8b785e0e03063197102d2f39d0846055d6aab7c06232f947a6b8af3dda62c8f02ea39d8f765a5e
+SHA512 (rustc-1.92.0-src.tar.xz) = a2c0b127933595b9bc2063d7b7c88d9af512c4664b18f29d44c9a6e2c68d194b87a3071717e8f1b7c858ae940baca888e10be95cd31e0201916d0bfc312a3b15
+SHA512 (wasi-libc-wasi-sdk-27.tar.gz) = dfc2c36fabf32f465fc833ed0b10efffc9a35c68162ecc3e8d656d1d684d170b734d55e790614d12d925d17f49d60f0d2d01c46cecac941cf62d68eda84df13e