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Jonathan Brouwer 2ba557f8e6
Rollup merge of #152059 - sgasho:fix/some-autodiff-tests, r=ZuseZ4 
Fix some autodiff tests require Clto=fat

It seems that some tests in tests/run-make/autodiff/type-trees/ require -Clto=fat at least on macos

There are several types of errors in tests/run-make/autodiff now. I fixed the easiest one to reduce the noise. I'll look into another errors after this PR.

I confirmed tests have passed.

```shell
./x test --stage 1 tests/run-make/autodiff/type-trees/array-typetree -- --ignored
./x test --stage 1 tests/run-make/autodiff/type-trees/mixed-struct-typetree -- --ignored
./x test --stage 1 tests/run-make/autodiff/type-trees/nott-flag -- --ignored
./x test --stage 1 tests/run-make/autodiff/type-trees/recursion-typetree -- --ignored
./x test --stage 1 tests/run-make/autodiff/type-trees/scalar-types -- --ignored
./x test --stage 1 tests/run-make/autodiff/type-trees/slice-typetree -- --ignored
./x test --stage 1 tests/run-make/autodiff/type-trees/struct-typetree -- --ignored
./x test --stage 1 tests/run-make/autodiff/type-trees/tuple-typetree -- --ignored
Building bootstrap
    Finished `dev` profile [unoptimized] target(s) in 0.11s
WARNING: The `change-id` is missing in the `bootstrap.toml`. This means that you will not be able to track the major changes made to the bootstrap configurations.
NOTE: to silence this warning, add `change-id = 148671` or `change-id = "ignore"` at the top of `bootstrap.toml`
Building stage1 compiler artifacts (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.43s
Creating a sysroot for stage1 compiler (use `rustup toolchain link 'name' build/host/stage1`)
Building stage1 wasm-component-ld (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.10s
Building stage1 llvm-bitcode-linker (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.14s
Building stage1 run_make_support (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.10s
Building stage1 library artifacts (stage1 -> stage1, aarch64-apple-darwin)
    Finished `dist` profile [optimized] target(s) in 0.21s
Building stage1 compiletest (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.34s
Building stage1 rustdoc_tool_binary (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.35s
Testing stage1 with compiletest suite=run-make mode=run-make (aarch64-apple-darwin)

running 1 tests
.

test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 460 filtered out; finished in 2.32s

WARNING: The `change-id` is missing in the `bootstrap.toml`. This means that you will not be able to track the major changes made to the bootstrap configurations.
NOTE: to silence this warning, add `change-id = 148671` or `change-id = "ignore"` at the top of `bootstrap.toml`
NOTE: this message was printed twice to make it more likely to be seen
Build completed successfully in 0:00:12
Building bootstrap
    Finished `dev` profile [unoptimized] target(s) in 0.12s
WARNING: The `change-id` is missing in the `bootstrap.toml`. This means that you will not be able to track the major changes made to the bootstrap configurations.
NOTE: to silence this warning, add `change-id = 148671` or `change-id = "ignore"` at the top of `bootstrap.toml`
Building stage1 compiler artifacts (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 1.05s
Creating a sysroot for stage1 compiler (use `rustup toolchain link 'name' build/host/stage1`)
Building stage1 wasm-component-ld (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.29s
Building stage1 llvm-bitcode-linker (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.29s
Building stage1 run_make_support (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.09s
Building stage1 library artifacts (stage1 -> stage1, aarch64-apple-darwin)
    Finished `dist` profile [optimized] target(s) in 0.09s
Building stage1 compiletest (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.23s
Building stage1 rustdoc_tool_binary (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.14s
Testing stage1 with compiletest suite=run-make mode=run-make (aarch64-apple-darwin)

running 1 tests
.

test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 460 filtered out; finished in 2.37s

WARNING: The `change-id` is missing in the `bootstrap.toml`. This means that you will not be able to track the major changes made to the bootstrap configurations.
NOTE: to silence this warning, add `change-id = 148671` or `change-id = "ignore"` at the top of `bootstrap.toml`
NOTE: this message was printed twice to make it more likely to be seen
Build completed successfully in 0:00:12
Building bootstrap
    Finished `dev` profile [unoptimized] target(s) in 0.11s
WARNING: The `change-id` is missing in the `bootstrap.toml`. This means that you will not be able to track the major changes made to the bootstrap configurations.
NOTE: to silence this warning, add `change-id = 148671` or `change-id = "ignore"` at the top of `bootstrap.toml`
Building stage1 compiler artifacts (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.81s
Creating a sysroot for stage1 compiler (use `rustup toolchain link 'name' build/host/stage1`)
Building stage1 wasm-component-ld (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.35s
Building stage1 llvm-bitcode-linker (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.24s
Building stage1 run_make_support (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.10s
Building stage1 library artifacts (stage1 -> stage1, aarch64-apple-darwin)
    Finished `dist` profile [optimized] target(s) in 0.19s
Building stage1 compiletest (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.25s
Building stage1 rustdoc_tool_binary (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.15s
Testing stage1 with compiletest suite=run-make mode=run-make (aarch64-apple-darwin)

running 1 tests
.

test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 460 filtered out; finished in 1.34s

WARNING: The `change-id` is missing in the `bootstrap.toml`. This means that you will not be able to track the major changes made to the bootstrap configurations.
NOTE: to silence this warning, add `change-id = 148671` or `change-id = "ignore"` at the top of `bootstrap.toml`
NOTE: this message was printed twice to make it more likely to be seen
Build completed successfully in 0:00:13
Building bootstrap
    Finished `dev` profile [unoptimized] target(s) in 0.28s
WARNING: The `change-id` is missing in the `bootstrap.toml`. This means that you will not be able to track the major changes made to the bootstrap configurations.
NOTE: to silence this warning, add `change-id = 148671` or `change-id = "ignore"` at the top of `bootstrap.toml`
Building stage1 compiler artifacts (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.38s
Creating a sysroot for stage1 compiler (use `rustup toolchain link 'name' build/host/stage1`)
Building stage1 wasm-component-ld (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.28s
Building stage1 llvm-bitcode-linker (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.23s
Building stage1 run_make_support (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.49s
Building stage1 library artifacts (stage1 -> stage1, aarch64-apple-darwin)
    Finished `dist` profile [optimized] target(s) in 0.19s
Building stage1 compiletest (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.41s
Building stage1 rustdoc_tool_binary (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.36s
Testing stage1 with compiletest suite=run-make mode=run-make (aarch64-apple-darwin)

running 1 tests
.

test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 460 filtered out; finished in 2.30s

WARNING: The `change-id` is missing in the `bootstrap.toml`. This means that you will not be able to track the major changes made to the bootstrap configurations.
NOTE: to silence this warning, add `change-id = 148671` or `change-id = "ignore"` at the top of `bootstrap.toml`
NOTE: this message was printed twice to make it more likely to be seen
Build completed successfully in 0:00:13
Building bootstrap
    Finished `dev` profile [unoptimized] target(s) in 0.22s
WARNING: The `change-id` is missing in the `bootstrap.toml`. This means that you will not be able to track the major changes made to the bootstrap configurations.
NOTE: to silence this warning, add `change-id = 148671` or `change-id = "ignore"` at the top of `bootstrap.toml`
Building stage1 compiler artifacts (stage0 -> stage1, aarch64-apple-darwin)
   Compiling rustc_session v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/compiler/rustc_session)
   Compiling rustc_query_system v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/compiler/rustc_query_system)
   Compiling rustc_parse v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/compiler/rustc_parse)
   Compiling rustc_middle v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/compiler/rustc_middle)
   Compiling rustc_attr_parsing v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/compiler/rustc_attr_parsing)
   Compiling rustc_ast_passes v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/compiler/rustc_ast_passes)
   Compiling rustc_transmute v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/compiler/rustc_transmute)
   Compiling rustc_infer v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/compiler/rustc_infer)
   Compiling rustc_expand v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/compiler/rustc_expand)
   Compiling rustc_incremental v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/compiler/rustc_incremental)
   Compiling rustc_mir_dataflow v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/compiler/rustc_mir_dataflow)
   Compiling rustc_symbol_mangling v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/compiler/rustc_symbol_mangling)
   Compiling rustc_ast_lowering v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/compiler/rustc_ast_lowering)
   Compiling rustc_pattern_analysis v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/compiler/rustc_pattern_analysis)
   Compiling rustc_public_bridge v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/compiler/rustc_public_bridge)
   Compiling rustc_query_impl v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/compiler/rustc_query_impl)
   Compiling rustc_monomorphize v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/compiler/rustc_monomorphize)
   Compiling rustc_public v0.1.0-preview (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/compiler/rustc_public)
   Compiling rustc_metadata v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/compiler/rustc_metadata)
   Compiling rustc_trait_selection v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/compiler/rustc_trait_selection)
   Compiling rustc_builtin_macros v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/compiler/rustc_builtin_macros)
   Compiling rustc_resolve v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/compiler/rustc_resolve)
   Compiling rustc_lint v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/compiler/rustc_lint)
   Compiling rustc_ty_utils v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/compiler/rustc_ty_utils)
   Compiling rustc_privacy v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/compiler/rustc_privacy)
   Compiling rustc_codegen_ssa v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/compiler/rustc_codegen_ssa)
   Compiling rustc_const_eval v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/compiler/rustc_const_eval)
   Compiling rustc_sanitizers v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/compiler/rustc_sanitizers)
   Compiling rustc_hir_analysis v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/compiler/rustc_hir_analysis)
   Compiling rustc_traits v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/compiler/rustc_traits)
   Compiling rustc_borrowck v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/compiler/rustc_borrowck)
   Compiling rustc_mir_transform v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/compiler/rustc_mir_transform)
   Compiling rustc_hir_typeck v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/compiler/rustc_hir_typeck)
   Compiling rustc_codegen_llvm v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/compiler/rustc_codegen_llvm)
   Compiling rustc_mir_build v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/compiler/rustc_mir_build)
   Compiling rustc_passes v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/compiler/rustc_passes)
   Compiling rustc_interface v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/compiler/rustc_interface)
   Compiling rustc_driver_impl v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/compiler/rustc_driver_impl)
   Compiling rustc_driver v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/compiler/rustc_driver)
   Compiling rustc-main v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/compiler/rustc)
    Finished `release` profile [optimized] target(s) in 2m 51s
Creating a sysroot for stage1 compiler (use `rustup toolchain link 'name' build/host/stage1`)
Building stage1 wasm-component-ld (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.37s
Building stage1 llvm-bitcode-linker (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.17s
Building stage1 run_make_support (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.42s
Building stage1 library artifacts (stage1 -> stage1, aarch64-apple-darwin)
   Compiling shlex v1.3.0
   Compiling core v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/library/core)
   Compiling libc v0.2.178
   Compiling object v0.37.3
   Compiling std v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/library/std)
   Compiling test v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/library/test)
   Compiling cc v1.2.0
   Compiling compiler_builtins v0.1.160 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/library/compiler-builtins/compiler-builtins)
   Compiling rustc-std-workspace-core v1.99.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/library/rustc-std-workspace-core)
   Compiling alloc v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/library/alloc)
   Compiling adler2 v2.0.1
   Compiling memchr v2.7.6
   Compiling panic_abort v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/library/panic_abort)
   Compiling rustc-demangle v0.1.27
   Compiling cfg-if v1.0.4
   Compiling rustc-literal-escaper v0.0.7
   Compiling unwind v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/library/unwind)
   Compiling rustc-std-workspace-alloc v1.99.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/library/rustc-std-workspace-alloc)
   Compiling panic_unwind v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/library/panic_unwind)
   Compiling gimli v0.32.3
   Compiling hashbrown v0.16.1
   Compiling std_detect v0.1.5 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/library/std_detect)
   Compiling miniz_oxide v0.8.9
   Compiling addr2line v0.25.1
   Compiling rustc-std-workspace-std v1.99.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/library/rustc-std-workspace-std)
   Compiling proc_macro v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/library/proc_macro)
   Compiling getopts v0.2.24
   Compiling sysroot v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/library/sysroot)
    Finished `dist` profile [optimized] target(s) in 34.54s
Building stage1 compiletest (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.40s
Building stage1 rustdoc_tool_binary (stage0 -> stage1, aarch64-apple-darwin)
   Compiling rustdoc v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/src/librustdoc)
   Compiling rustdoc-tool v0.0.0 (/Volumes/WD_BLACK_SN850X_HS_1TB/autodiff-rust/rust/src/tools/rustdoc)
    Finished `release` profile [optimized] target(s) in 37.79s
Testing stage1 with compiletest suite=run-make mode=run-make (aarch64-apple-darwin)

running 5 tests
.....

test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 456 filtered out; finished in 2.41s

WARNING: The `change-id` is missing in the `bootstrap.toml`. This means that you will not be able to track the major changes made to the bootstrap configurations.
NOTE: to silence this warning, add `change-id = 148671` or `change-id = "ignore"` at the top of `bootstrap.toml`
NOTE: this message was printed twice to make it more likely to be seen
Build completed successfully in 0:04:18
Building bootstrap
    Finished `dev` profile [unoptimized] target(s) in 0.12s
WARNING: The `change-id` is missing in the `bootstrap.toml`. This means that you will not be able to track the major changes made to the bootstrap configurations.
NOTE: to silence this warning, add `change-id = 148671` or `change-id = "ignore"` at the top of `bootstrap.toml`
Building stage1 compiler artifacts (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.71s
Creating a sysroot for stage1 compiler (use `rustup toolchain link 'name' build/host/stage1`)
Building stage1 wasm-component-ld (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.11s
Building stage1 llvm-bitcode-linker (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.07s
Building stage1 run_make_support (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.09s
Building stage1 library artifacts (stage1 -> stage1, aarch64-apple-darwin)
    Finished `dist` profile [optimized] target(s) in 0.15s
Building stage1 compiletest (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.34s
Building stage1 rustdoc_tool_binary (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.28s
Testing stage1 with compiletest suite=run-make mode=run-make (aarch64-apple-darwin)

running 1 tests
.

test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 460 filtered out; finished in 2.04s

WARNING: The `change-id` is missing in the `bootstrap.toml`. This means that you will not be able to track the major changes made to the bootstrap configurations.
NOTE: to silence this warning, add `change-id = 148671` or `change-id = "ignore"` at the top of `bootstrap.toml`
NOTE: this message was printed twice to make it more likely to be seen
Build completed successfully in 0:00:13
Building bootstrap
    Finished `dev` profile [unoptimized] target(s) in 0.11s
WARNING: The `change-id` is missing in the `bootstrap.toml`. This means that you will not be able to track the major changes made to the bootstrap configurations.
NOTE: to silence this warning, add `change-id = 148671` or `change-id = "ignore"` at the top of `bootstrap.toml`
Building stage1 compiler artifacts (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.82s
Creating a sysroot for stage1 compiler (use `rustup toolchain link 'name' build/host/stage1`)
Building stage1 wasm-component-ld (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.38s
Building stage1 llvm-bitcode-linker (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.08s
Building stage1 run_make_support (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.09s
Building stage1 library artifacts (stage1 -> stage1, aarch64-apple-darwin)
    Finished `dist` profile [optimized] target(s) in 0.09s
Building stage1 compiletest (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.21s
Building stage1 rustdoc_tool_binary (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.14s
Testing stage1 with compiletest suite=run-make mode=run-make (aarch64-apple-darwin)

running 1 tests
.

test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 460 filtered out; finished in 1.37s

WARNING: The `change-id` is missing in the `bootstrap.toml`. This means that you will not be able to track the major changes made to the bootstrap configurations.
NOTE: to silence this warning, add `change-id = 148671` or `change-id = "ignore"` at the top of `bootstrap.toml`
NOTE: this message was printed twice to make it more likely to be seen
Build completed successfully in 0:00:12
Building bootstrap
    Finished `dev` profile [unoptimized] target(s) in 0.15s
WARNING: The `change-id` is missing in the `bootstrap.toml`. This means that you will not be able to track the major changes made to the bootstrap configurations.
NOTE: to silence this warning, add `change-id = 148671` or `change-id = "ignore"` at the top of `bootstrap.toml`
Building stage1 compiler artifacts (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.37s
Creating a sysroot for stage1 compiler (use `rustup toolchain link 'name' build/host/stage1`)
Building stage1 wasm-component-ld (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.35s
Building stage1 llvm-bitcode-linker (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.35s
Building stage1 run_make_support (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.29s
Building stage1 library artifacts (stage1 -> stage1, aarch64-apple-darwin)
    Finished `dist` profile [optimized] target(s) in 0.12s
Building stage1 compiletest (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.46s
Building stage1 rustdoc_tool_binary (stage0 -> stage1, aarch64-apple-darwin)
    Finished `release` profile [optimized] target(s) in 0.23s
Testing stage1 with compiletest suite=run-make mode=run-make (aarch64-apple-darwin)

running 1 tests
.

test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 460 filtered out; finished in 1.41s

WARNING: The `change-id` is missing in the `bootstrap.toml`. This means that you will not be able to track the major changes made to the bootstrap configurations.
NOTE: to silence this warning, add `change-id = 148671` or `change-id = "ignore"` at the top of `bootstrap.toml`
NOTE: this message was printed twice to make it more likely to be seen
Build completed successfully in 0:00:12
```
2026-02-03 23:29:58 +01:00
.github Use DEVELOPER_DIR instead of a custom xcode-select script 2026-02-03 20:14:52 +01:00
compiler Rollup merge of #152054 - lapla-cogito:diag_const_trait_impl, r=estebank 2026-02-03 23:29:57 +01:00
library Rollup merge of #152029 - RalfJung:miri-socket-tests, r=Mark-Simulacrum 2026-02-03 18:54:50 +01:00
LICENSES Synchronize Unicode license text from unicode.org 2024-11-20 00:54:12 -08:00
src Rollup merge of #152012 - madsmtm:unselect-xcode, r=shepmaster 2026-02-03 23:29:56 +01:00
tests Rollup merge of #152059 - sgasho:fix/some-autodiff-tests, r=ZuseZ4 2026-02-03 23:29:58 +01:00
.clang-format Add .clang-format 2024-06-26 05:56:00 +08:00
.editorconfig editorconfig: don't use nonexistant syntax 2025-08-24 10:37:19 -05:00
.git-blame-ignore-revs git: ignore 60600a6fa4 for blame purposes 2025-04-17 11:50:24 +08:00
.gitattributes Mark .pp files as Rust 2025-03-29 12:39:06 +01:00
.gitignore ignore build-rust-analyzer even if it's a symlink 2025-11-12 16:41:41 +01:00
.gitmodules Update to LLVM 22 2026-01-27 12:09:39 +01:00
.ignore change config.toml to bootstrap.toml for bootstrap module 2025-03-17 12:56:41 +05:30
.mailmap Add temporary new bors e-mail address to the mailmap 2026-01-14 18:01:50 +01:00
bootstrap.example.toml Change how we build offload as a single Step 2025-12-22 23:50:11 +01:00
Cargo.lock Convert to inline diagnostics in rustc_incremental 2026-02-03 23:22:48 +01:00
Cargo.toml Bump Clippy version -> 0.1.95 2026-01-22 16:55:20 +01:00
CODE_OF_CONDUCT.md Remove the code of conduct; instead link https://www.rust-lang.org/conduct.html 2019-10-05 22:55:19 +02:00
configure Ensure ./configure works when configure.py path contains spaces 2024-02-16 18:57:22 +00:00
CONTRIBUTING.md chore: remove dead links 2025-09-22 10:15:50 +01:00
COPYRIGHT Merge commit '500e0ff187' into clippy-subtree-update 2026-01-09 10:37:00 +01:00
INSTALL.md Rename rust.use-lld to rust.bootstrap-override-lld in INSTALL.md 2026-01-14 14:20:45 -06:00
LICENSE-APACHE Merge commit '500e0ff187' into clippy-subtree-update 2026-01-09 10:37:00 +01:00
license-metadata.json Update license metadata 2025-02-15 16:48:37 +01:00
LICENSE-MIT Merge commit '500e0ff187' into clippy-subtree-update 2026-01-09 10:37:00 +01:00
package.json Update browser-ui-test version to 0.23.3 2026-01-27 21:14:25 +01:00
README.md Merge commit '500e0ff187' into clippy-subtree-update 2026-01-09 10:37:00 +01:00
RELEASES.md relnotes: fix 1.93's as_mut_array methods 2026-01-23 15:54:13 -08:00
REUSE.toml Omit standard copyright notice 2026-01-26 17:31:34 +00:00
rust-bors.toml Add S-blocked to labels_blocking_approval 2026-01-19 16:01:16 +01:00
rustfmt.toml Rename tests/rustdoc into tests/rustdoc-html 2026-01-07 14:23:30 +01:00
triagebot.toml Subscribe myself to translation diagnostics 2026-01-28 22:40:28 +01:00
typos.toml Fix some typos of "similarity" 2026-01-29 23:40:37 +11:00
x fix ./x readdir logic when CDPATH is set 2025-09-19 16:48:05 +02:00
x.ps1 use & instead of start-process in x.ps1 2023-12-09 09:46:16 -05:00
x.py Reformat Python code with ruff 2024-12-04 23:03:44 +01:00
yarn.lock Update npm package, remove another unused one, and fix some typing errors that started popping when we moved to yarn 2025-11-17 10:58:18 +02:00

README.md

This is the main source code repository for Rust. It contains the compiler, standard library, and documentation.

Why Rust?

  • Performance: Fast and memory-efficient, suitable for critical services, embedded devices, and easily integrated with other languages.

  • Reliability: Our rich type system and ownership model ensure memory and thread safety, reducing bugs at compile-time.

  • Productivity: Comprehensive documentation, a compiler committed to providing great diagnostics, and advanced tooling including package manager and build tool (Cargo), auto-formatter (rustfmt), linter (Clippy) and editor support (rust-analyzer).

Quick Start

Read "Installation" from The Book.

Installing from Source

If you really want to install from source (though this is not recommended), see INSTALL.md.

Getting Help

See https://www.rust-lang.org/community for a list of chat platforms and forums.

Contributing

See CONTRIBUTING.md.

License

Rust is primarily distributed under the terms of both the MIT license and the Apache License (Version 2.0), with portions covered by various BSD-like licenses.

See LICENSE-APACHE, LICENSE-MIT, and COPYRIGHT for details.

Trademark

The Rust Foundation owns and protects the Rust and Cargo trademarks and logos (the "Rust Trademarks").

If you want to use these names or brands, please read the Rust language trademark policy.

Third-party logos may be subject to third-party copyrights and trademarks. See Licenses for details.