./x build failed with "llvm-config: error: libLLVM-22-rust-1.95.0-nightly.dylib is missing" #153127

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1. theemathas

   added

   T-bootstrapRelevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)

   C-bugCategory: This is a bug.Category: This is a bug.

   on Feb 26, 2026
2. rustbot

   added

   needs-triageThis issue may need triage. Remove when done. See docs forge.rust-lang.org/release/issue-triagingThis issue may need triage. Remove when done. See docs forge.rust-lang.org/release/issue-triaging

   on Feb 26, 2026
3. JayanAXHF

   added

   O-macosOperating system: macOSOperating system: macOS

   on Feb 26, 2026
4. Kobzol commented on Feb 26, 2026

   

   Kobzol

   on Feb 26, 2026

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   Does it also happen on a ~2 weeks old commit? This might be https://rust-lang.zulipchat.com/#narrow/channel/131828-t-compiler/topic/Changing.20static.20linking.20of.20rustc.20to.20LLVM.20to.20dynamic/with/575767894.
5. Kivooeo commented on Feb 26, 2026

   

   Kivooeo

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   Yep, I have a macOS Sequoia 15.6 and can confirm it
6. jieyouxu

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   needs-triageThis issue may need triage. Remove when done. See docs forge.rust-lang.org/release/issue-triagingThis issue may need triage. Remove when done. See docs forge.rust-lang.org/release/issue-triaging

   on Feb 26, 2026
7. RalfJung commented on Feb 26, 2026

   

   RalfJung

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   Yep, I have a macOS Sequoia 15.6 and can confirm it

   As in, it's already broken 2 weeks ago?
   But surely if building rustc main on macOS was entirely broken or 2 weeks we'd have heard about it. So there must be something specific to your setup that breaks it?
8. Kivooeo commented on Feb 26, 2026

   

   Kivooeo

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   I tried it first time today, before this I was working only in dev desktop

   As for setup I just cloned https://github.com/rust-lang/rust and ran ./x b
9. Kivooeo commented on Feb 26, 2026

   

   Kivooeo

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   if building rustc main on macOS was entirely broken or 2 weeks we'd have heard about it.

   but yeah, I agree with this, it's odd
10. jieyouxu commented on Feb 26, 2026

    

    jieyouxu

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    I'm trying locally on aarch64 macos against 69b7853
11. jieyouxu commented on Feb 26, 2026

    

    jieyouxu

    on Feb 26, 2026

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    I can reproduce with a compiler profile (arm64 macOS 26.2), no download-ci-rustc.

      --- stderr
      llvm-config: error: libLLVM-22-rust-1.95.0-nightly.dylib is missing
    

    Trying an slightly older commit.

    UPD:

    • ff0f239 OK
    • f02672c FAIL
    • 696a7a1 OK
    • 1ed4882 FAIL
12. jieyouxu

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    on Feb 26, 2026
13. 10 remaining items

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14. jieyouxu

    added 2 commits that reference this issue on Feb 27, 2026

    bootstrap: force a CI LLVM rebuild

    ...

    93d018d

    bootstrap: force a CI LLVM stamp bump

    ...

    ec7c117
15. JonathanBrouwer

    added a commit that references this issue on Feb 27, 2026

    Rollup merge of rust-lang#153179 - jieyouxu:force-ci-llvm-stamp, r=ma…

    ...

    d7cbe2a
16. jieyouxu

    self-assigned this

    on Feb 27, 2026
17. JonathanBrouwer

    added 2 commits that reference this issue on Feb 27, 2026

    Rollup merge of rust-lang#153179 - jieyouxu:force-ci-llvm-stamp, r=ma…

    ...

    e1dbf5a

    Rollup merge of rust-lang#153179 - jieyouxu:force-ci-llvm-stamp, r=ma…

    ...

    5a8a757
18. rust-timer

    added a commit that references this issue on Feb 28, 2026

    Unrolled build for #153179

    ...

    c9e231c
19. madsmtm commented on Feb 28, 2026

    

    madsmtm

    on Feb 28, 2026

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    Seems to be fixed by #153179, cache-busting LLVM did the trick.

    Thanks @jieyouxu!

    👍React with 👍2Reacted by 许杰友 Jieyou Xu (Joe) and Roland Xu
20. madsmtm

    closed this as completedon Feb 28, 2026
21. theemathas commented on Mar 26, 2026

    

    theemathas

    on Mar 26, 2026

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    This error came back again, except now it talks about llvm-config: error: libLLVM-22-rust-1.96.0-nightly.dylib is missing (1.96 instead of 1.95).

    HEAD commit: 1174f78

    Build Log

    Building bootstrap
    running: /Users/timch/rust/build/aarch64-apple-darwin/stage0/bin/cargo build --jobs=default --manifest-path /Users/timch/rust/src/bootstrap/Cargo.toml -Zroot-dir=/Users/timch/rust -Zwarnings
        Finished `dev` profile [unoptimized] target(s) in 0.07s
    running: /Users/timch/rust/build/bootstrap/debug/bootstrap build -v
    running: "git" "rev-parse" "--show-cdup" (failure_mode=Ignore) (created at src/bootstrap/src/core/config/config.rs:1950:23, executed at src/bootstrap/src/core/config/config.rs:1960:42)
    running: cd "/Users/timch/rust" && env -u GIT_ALTERNATE_OBJECT_DIRECTORIES -u GIT_DIR -u GIT_INDEX_FILE -u GIT_OBJECT_DIRECTORY -u GIT_WORK_TREE "git" "rev-parse" (failure_mode=Ignore) (created at src/bootstrap/src/utils/channel.rs:47:31, executed at src/bootstrap/src/utils/channel.rs:49:50)
    running: cd "/Users/timch/rust" && env -u GIT_ALTERNATE_OBJECT_DIRECTORIES -u GIT_DIR -u GIT_INDEX_FILE -u GIT_OBJECT_DIRECTORY -u GIT_WORK_TREE "git" "log" "-1" "--date=short" "--pretty=format:%cd" (failure_mode=Exit) (created at src/bootstrap/src/utils/channel.rs:63:31, executed at src/bootstrap/src/utils/channel.rs:70:14)
    running: cd "/Users/timch/rust" && env -u GIT_ALTERNATE_OBJECT_DIRECTORIES -u GIT_DIR -u GIT_INDEX_FILE -u GIT_OBJECT_DIRECTORY -u GIT_WORK_TREE "git" "rev-parse" "HEAD" (failure_mode=Exit) (created at src/bootstrap/src/utils/channel.rs:72:32, executed at src/bootstrap/src/utils/channel.rs:77:14)
    running: cd "/Users/timch/rust" && env -u GIT_ALTERNATE_OBJECT_DIRECTORIES -u GIT_DIR -u GIT_INDEX_FILE -u GIT_OBJECT_DIRECTORY -u GIT_WORK_TREE "git" "rev-parse" "--short=9" "HEAD" (failure_mode=Exit) (created at src/bootstrap/src/utils/channel.rs:79:38, executed at src/bootstrap/src/utils/channel.rs:85:14)
    downloading stage0 beta artifacts
    running: "/Users/timch/rust/build/aarch64-apple-darwin/stage0/bin/rustc" "--print" "sysroot" (failure_mode=Exit) (created at src/bootstrap/src/core/config/config.rs:766:13, executed at src/bootstrap/src/core/config/config.rs:769:18)
    downloading stage0 beta artifacts
    Cache hit: cd "/Users/timch/rust" && env -u GIT_ALTERNATE_OBJECT_DIRECTORIES -u GIT_DIR -u GIT_INDEX_FILE -u GIT_OBJECT_DIRECTORY -u GIT_WORK_TREE "git" "rev-parse" (failure_mode=Ignore)
    running: "/Users/timch/rust/build/aarch64-apple-darwin/stage0/bin/rustc" "--print" "target-libdir" (failure_mode=Exit) (created at src/bootstrap/src/lib.rs:483:37, executed at src/bootstrap/src/lib.rs:486:14)
    running: "/Users/timch/rust/build/aarch64-apple-darwin/stage0/bin/rustc" "--version" "--verbose" (failure_mode=Exit) (created at src/bootstrap/src/lib.rs:591:37, executed at src/bootstrap/src/lib.rs:594:14)
    finding compilers
    CC_aarch64-apple-darwin = "cc"
    CFLAGS_aarch64-apple-darwin = ["-ffunction-sections", "-fdata-sections", "-fPIC", "--target=arm64-apple-macosx", "-mmacosx-version-min=26.2"]
    CXX_aarch64-apple-darwin = "c++"
    CXXFLAGS_aarch64-apple-darwin = ["-ffunction-sections", "-fdata-sections", "-fPIC", "--target=arm64-apple-macosx", "-mmacosx-version-min=26.2", "-stdlib=libc++"]
    AR_aarch64-apple-darwin = "ar"
    running sanity check
    running: "/Users/timch/rust/build/aarch64-apple-darwin/libcxx-version/libcxx-version" (failure_mode=Exit) (created at src/bootstrap/src/core/build_steps/tool.rs:1269:30, executed at src/bootstrap/src/core/build_steps/tool.rs:1269:50)
    running: "/Users/timch/rust/build/aarch64-apple-darwin/stage0/bin/rustc" "--print" "target-list" (failure_mode=Exit) (created at src/bootstrap/src/core/sanity.rs:205:57, executed at src/bootstrap/src/core/sanity.rs:208:10)
    running: cd "/Users/timch/rust/library/backtrace" && env -u GIT_ALTERNATE_OBJECT_DIRECTORIES -u GIT_DIR -u GIT_INDEX_FILE -u GIT_OBJECT_DIRECTORY -u GIT_WORK_TREE "git" "rev-parse" (failure_mode=Ignore) (created at src/bootstrap/src/utils/channel.rs:47:31, executed at src/bootstrap/src/utils/channel.rs:49:50)
    running: cd "/Users/timch/rust/library/backtrace" && env -u GIT_ALTERNATE_OBJECT_DIRECTORIES -u GIT_DIR -u GIT_INDEX_FILE -u GIT_OBJECT_DIRECTORY -u GIT_WORK_TREE "git" "log" "-1" "--date=short" "--pretty=format:%cd" (failure_mode=Exit) (created at src/bootstrap/src/utils/channel.rs:63:31, executed at src/bootstrap/src/utils/channel.rs:70:14)
    running: cd "/Users/timch/rust/library/backtrace" && env -u GIT_ALTERNATE_OBJECT_DIRECTORIES -u GIT_DIR -u GIT_INDEX_FILE -u GIT_OBJECT_DIRECTORY -u GIT_WORK_TREE "git" "rev-parse" "HEAD" (failure_mode=Exit) (created at src/bootstrap/src/utils/channel.rs:72:32, executed at src/bootstrap/src/utils/channel.rs:77:14)
    running: cd "/Users/timch/rust/library/backtrace" && env -u GIT_ALTERNATE_OBJECT_DIRECTORIES -u GIT_DIR -u GIT_INDEX_FILE -u GIT_OBJECT_DIRECTORY -u GIT_WORK_TREE "git" "rev-parse" "--short=9" "HEAD" (failure_mode=Exit) (created at src/bootstrap/src/utils/channel.rs:79:38, executed at src/bootstrap/src/utils/channel.rs:85:14)
    Cache hit: cd "/Users/timch/rust/library/backtrace" && env -u GIT_ALTERNATE_OBJECT_DIRECTORIES -u GIT_DIR -u GIT_INDEX_FILE -u GIT_OBJECT_DIRECTORY -u GIT_WORK_TREE "git" "rev-parse" "HEAD" (failure_mode=Exit)
    running: cd "/Users/timch/rust" && env -u GIT_ALTERNATE_OBJECT_DIRECTORIES -u GIT_DIR -u GIT_INDEX_FILE -u GIT_OBJECT_DIRECTORY -u GIT_WORK_TREE "git" "ls-tree" "HEAD" "library/backtrace" (failure_mode=Exit) (created at src/bootstrap/src/core/config/config.rs:2425:20, executed at src/bootstrap/src/core/config/config.rs:2429:10)
    running: cd "/Users/timch/rust" && env -u GIT_ALTERNATE_OBJECT_DIRECTORIES -u GIT_DIR -u GIT_INDEX_FILE -u GIT_OBJECT_DIRECTORY -u GIT_WORK_TREE "git" "config" "--file" ".gitmodules" "--get-regexp" "path" (failure_mode=Exit) (created at src/bootstrap/src/lib.rs:711:22, executed at src/bootstrap/src/lib.rs:715:14)
    running: cd "library/backtrace" && env -u GIT_ALTERNATE_OBJECT_DIRECTORIES -u GIT_DIR -u GIT_INDEX_FILE -u GIT_OBJECT_DIRECTORY -u GIT_WORK_TREE "git" "rev-parse" (failure_mode=Ignore) (created at src/bootstrap/src/utils/channel.rs:47:31, executed at src/bootstrap/src/utils/channel.rs:49:50)
    running: cd "library/backtrace" && env -u GIT_ALTERNATE_OBJECT_DIRECTORIES -u GIT_DIR -u GIT_INDEX_FILE -u GIT_OBJECT_DIRECTORY -u GIT_WORK_TREE "git" "log" "-1" "--date=short" "--pretty=format:%cd" (failure_mode=Exit) (created at src/bootstrap/src/utils/channel.rs:63:31, executed at src/bootstrap/src/utils/channel.rs:70:14)
    running: cd "library/backtrace" && env -u GIT_ALTERNATE_OBJECT_DIRECTORIES -u GIT_DIR -u GIT_INDEX_FILE -u GIT_OBJECT_DIRECTORY -u GIT_WORK_TREE "git" "rev-parse" "HEAD" (failure_mode=Exit) (created at src/bootstrap/src/utils/channel.rs:72:32, executed at src/bootstrap/src/utils/channel.rs:77:14)
    running: cd "library/backtrace" && env -u GIT_ALTERNATE_OBJECT_DIRECTORIES -u GIT_DIR -u GIT_INDEX_FILE -u GIT_OBJECT_DIRECTORY -u GIT_WORK_TREE "git" "rev-parse" "--short=9" "HEAD" (failure_mode=Exit) (created at src/bootstrap/src/utils/channel.rs:79:38, executed at src/bootstrap/src/utils/channel.rs:85:14)
    Cache hit: cd "/Users/timch/rust/library/backtrace" && env -u GIT_ALTERNATE_OBJECT_DIRECTORIES -u GIT_DIR -u GIT_INDEX_FILE -u GIT_OBJECT_DIRECTORY -u GIT_WORK_TREE "git" "rev-parse" (failure_mode=Ignore)
    Cache hit: cd "/Users/timch/rust/library/backtrace" && env -u GIT_ALTERNATE_OBJECT_DIRECTORIES -u GIT_DIR -u GIT_INDEX_FILE -u GIT_OBJECT_DIRECTORY -u GIT_WORK_TREE "git" "log" "-1" "--date=short" "--pretty=format:%cd" (failure_mode=Exit)
    Cache hit: cd "/Users/timch/rust/library/backtrace" && env -u GIT_ALTERNATE_OBJECT_DIRECTORIES -u GIT_DIR -u GIT_INDEX_FILE -u GIT_OBJECT_DIRECTORY -u GIT_WORK_TREE "git" "rev-parse" "HEAD" (failure_mode=Exit)
    Cache hit: cd "/Users/timch/rust/library/backtrace" && env -u GIT_ALTERNATE_OBJECT_DIRECTORIES -u GIT_DIR -u GIT_INDEX_FILE -u GIT_OBJECT_DIRECTORY -u GIT_WORK_TREE "git" "rev-parse" "--short=9" "HEAD" (failure_mode=Exit)
    Cache hit: cd "/Users/timch/rust/library/backtrace" && env -u GIT_ALTERNATE_OBJECT_DIRECTORIES -u GIT_DIR -u GIT_INDEX_FILE -u GIT_OBJECT_DIRECTORY -u GIT_WORK_TREE "git" "rev-parse" "HEAD" (failure_mode=Exit)
    Cache hit: cd "/Users/timch/rust" && env -u GIT_ALTERNATE_OBJECT_DIRECTORIES -u GIT_DIR -u GIT_INDEX_FILE -u GIT_OBJECT_DIRECTORY -u GIT_WORK_TREE "git" "ls-tree" "HEAD" "library/backtrace" (failure_mode=Exit)
    learning about cargo
    running: RUSTC_BOOTSTRAP="1" "/Users/timch/rust/build/aarch64-apple-darwin/stage0/bin/cargo" "metadata" "--format-version" "1" "--no-deps" "--manifest-path" "/Users/timch/rust/Cargo.toml" (failure_mode=Exit) (created at src/bootstrap/src/core/metadata.rs:80:25, executed at src/bootstrap/src/core/metadata.rs:91:54)
    running: RUSTC_BOOTSTRAP="1" "/Users/timch/rust/build/aarch64-apple-darwin/stage0/bin/cargo" "metadata" "--format-version" "1" "--no-deps" "--manifest-path" "/Users/timch/rust/library/Cargo.toml" (failure_mode=Exit) (created at src/bootstrap/src/core/metadata.rs:80:25, executed at src/bootstrap/src/core/metadata.rs:91:54)
    Removing sysroot /Users/timch/rust/build/aarch64-apple-darwin/stage1 to avoid caching bugs
    LLVM freshness: LastModifiedUpstream { upstream: "80d0e4be6f15899649ba31669077c59a986f96cc" }
    Removing sysroot /Users/timch/rust/build/aarch64-apple-darwin/stage0-sysroot to avoid caching bugs
    running: "/Users/timch/rust/build/aarch64-apple-darwin/stage0/bin/rustc" "--print" "sysroot" (failure_mode=Exit) (created at src/bootstrap/src/lib.rs:1095:13, executed at src/bootstrap/src/lib.rs:1098:18)
    LLVM freshness: LastModifiedUpstream { upstream: "80d0e4be6f15899649ba31669077c59a986f96cc" }
    running: cd "/Users/timch/rust" && env -u MAKEFLAGS CARGO_BUILD_BUILD_DIR="/Users/timch/rust/build/aarch64-apple-darwin/stage1-rustc" CARGO_BUILD_WARNINGS="deny" CARGO_INCREMENTAL="1" CARGO_PROFILE_RELEASE_DEBUG="line-tables-only" CARGO_PROFILE_RELEASE_DEBUG_ASSERTIONS="true" CARGO_PROFILE_RELEASE_OVERFLOW_CHECKS="false" CARGO_PROFILE_RELEASE_STRIP="false" CARGO_TARGET_AARCH64_APPLE_DARWIN_LINKER="" CARGO_TARGET_DIR="/Users/timch/rust/build/aarch64-apple-darwin/stage1-rustc" CC_aarch64_apple_darwin="" CFG_COMPILER_BUILD_TRIPLE="aarch64-apple-darwin" CFG_COMPILER_HOST_TRIPLE="aarch64-apple-darwin" CFG_DEFAULT_CODEGEN_BACKEND="llvm" CFG_LIBDIR_RELATIVE="lib" CFG_OMIT_GIT_HASH="1" CFG_RELEASE="1.96.0-dev" CFG_RELEASE_CHANNEL="dev" CFG_VERSION="1.96.0-dev" CFLAGS_aarch64_apple_darwin="" CXXFLAGS_aarch64_apple_darwin="-stdlib=libc++" CXX_aarch64_apple_darwin="" LIBC_CHECK_CFG="1" LLVM_CONFIG="/Users/timch/rust/build/aarch64-apple-darwin/ci-llvm/bin/llvm-config" LLVM_RUSTLLVM="1" REAL_LIBRARY_PATH_VAR="DYLD_LIBRARY_PATH" RUSTBUILD_NATIVE_DIR="/Users/timch/rust/build/aarch64-apple-darwin/native" RUSTC="/Users/timch/rust/build/bootstrap/debug/rustc" RUSTC_BACKTRACE_ON_ICE="1" RUSTC_BOOTSTRAP="1" RUSTC_BREAK_ON_ICE="1" RUSTC_ERROR_METADATA_DST="/Users/timch/rust/build/tmp/extended-error-metadata" RUSTC_FORCE_UNSTABLE="1" RUSTC_HOST_FLAGS="--check-cfg=cfg(bootstrap) --cfg=bootstrap" RUSTC_INSTALL_BINDIR="bin" RUSTC_LIBDIR="/Users/timch/rust/build/aarch64-apple-darwin/stage0/lib" RUSTC_LINK_STD_INTO_RUSTC_DRIVER="1" RUSTC_LINT_FLAGS="-Wrust_2018_idioms -Wunused_lifetimes -Wrustc::internal -Drustc::symbol_intern_string_literal -Wkeyword_idents_2024 -Wunreachable_pub -Wunsafe_op_in_unsafe_fn -Wunused_crate_dependencies" RUSTC_REAL="/Users/timch/rust/build/aarch64-apple-darwin/stage0/bin/rustc" RUSTC_SNAPSHOT="/Users/timch/rust/build/aarch64-apple-darwin/stage0/bin/rustc" RUSTC_SNAPSHOT_LIBDIR="/Users/timch/rust/build/aarch64-apple-darwin/stage0/lib" RUSTC_STAGE="0" RUSTC_SYSROOT="/Users/timch/rust/build/aarch64-apple-darwin/stage0-sysroot" RUSTC_TLS_MODEL_INITIAL_EXEC="1" RUSTC_VERBOSE="1" RUSTC_WRAPPER="/Users/timch/rust/build/bootstrap/debug/rustc" RUSTDOC="/Users/timch/rust/build/bootstrap/debug/rustdoc" RUSTDOCFLAGS="--cfg=windows_raw_dylib -Csymbol-mangling-version=v0 -Zunstable-options --check-cfg=cfg(bootstrap) -Wrustdoc::invalid_codeblock_attributes --crate-version 1.96.0-dev -Zcrate-attr=warn(rust_2018_idioms) --cfg=bootstrap" RUSTDOC_LIBDIR="/Users/timch/rust/build/aarch64-apple-darwin/stage0/lib" RUSTDOC_REAL="/path/to/nowhere/rustdoc/not/required" RUSTFLAGS="--cfg=windows_raw_dylib -Csymbol-mangling-version=v0 -Zunstable-options --check-cfg=cfg(bootstrap) -Zmacro-backtrace -Csplit-debuginfo=unpacked -Cforce-frame-pointers=true -Cllvm-args=-import-instr-limit=10 -Zosx-rpath-install-name -Clink-args=-Wl,-rpath,@loader_path/../lib -Zon-broken-pipe=kill -Clto=off --cfg=bootstrap" RUST_TEST_THREADS="10" __CARGO_DEFAULT_LIB_METADATA="bootstrap1.96.0" "/Users/timch/rust/build/aarch64-apple-darwin/stage0/bin/cargo" "build" "-Zwarnings" "--target" "aarch64-apple-darwin" "-Zbinary-dep-depinfo" "-j" "10" "-Zroot-dir=/Users/timch/rust" "--profile=release" "--features" "llvm" "--manifest-path" "/Users/timch/rust/compiler/rustc/Cargo.toml" "--message-format" "json-render-diagnostics" (failure_mode=Exit)
    running: cd "/Users/timch/rust" && env -u MAKEFLAGS CARGO_BUILD_BUILD_DIR="/Users/timch/rust/build/aarch64-apple-darwin/stage1-std" CARGO_BUILD_WARNINGS="deny" CARGO_INCREMENTAL="0" CARGO_PROFILE_DIST_DEBUG="line-tables-only" CARGO_PROFILE_DIST_DEBUG_ASSERTIONS="true" CARGO_PROFILE_DIST_OVERFLOW_CHECKS="false" CARGO_PROFILE_DIST_STRIP="false" CARGO_TARGET_AARCH64_APPLE_DARWIN_LINKER="" CARGO_TARGET_DIR="/Users/timch/rust/build/aarch64-apple-darwin/stage1-std" CC_aarch64_apple_darwin="" CFG_COMPILER_BUILD_TRIPLE="aarch64-apple-darwin" CFG_RELEASE_CHANNEL="dev" CFLAGS_aarch64_apple_darwin="" CXXFLAGS_aarch64_apple_darwin="-stdlib=libc++" CXX_aarch64_apple_darwin="" LIBC_CHECK_CFG="1" REAL_LIBRARY_PATH_VAR="DYLD_LIBRARY_PATH" RUSTBUILD_NATIVE_DIR="/Users/timch/rust/build/aarch64-apple-darwin/native" RUSTC="/Users/timch/rust/build/bootstrap/debug/rustc" RUSTC_BACKTRACE_ON_ICE="1" RUSTC_BOOTSTRAP="1" RUSTC_BREAK_ON_ICE="1" RUSTC_ERROR_METADATA_DST="/Users/timch/rust/build/tmp/extended-error-metadata" RUSTC_FORCE_UNSTABLE="1" RUSTC_INSTALL_BINDIR="bin" RUSTC_LIBDIR="/Users/timch/rust/build/aarch64-apple-darwin/stage1/lib" RUSTC_LINK_STD_INTO_RUSTC_DRIVER="1" RUSTC_LINT_FLAGS="-Wrust_2018_idioms -Wunused_lifetimes" RUSTC_REAL="/Users/timch/rust/build/aarch64-apple-darwin/stage1/bin/rustc" RUSTC_SNAPSHOT="/Users/timch/rust/build/aarch64-apple-darwin/stage0/bin/rustc" RUSTC_SNAPSHOT_LIBDIR="/Users/timch/rust/build/aarch64-apple-darwin/stage0/lib" RUSTC_STAGE="1" RUSTC_SYSROOT="/Users/timch/rust/build/aarch64-apple-darwin/stage1" RUSTC_VERBOSE="1" RUSTC_WRAPPER="/Users/timch/rust/build/bootstrap/debug/rustc" RUSTDOC="/Users/timch/rust/build/bootstrap/debug/rustdoc" RUSTDOCFLAGS="-Zannotate-moves --check-cfg=cfg(feature,values(any())) -Zunstable-options -Wrustdoc::invalid_codeblock_attributes --crate-version 1.96.0-dev -Zcrate-attr=doc(html_root_url=\"https://doc.rust-lang.org/nightly/\") -Zcrate-attr=warn(rust_2018_idioms)" RUSTDOC_LIBDIR="/Users/timch/rust/build/aarch64-apple-darwin/stage1/lib" RUSTDOC_REAL="/path/to/nowhere/rustdoc/not/required" RUSTFLAGS="-Zannotate-moves --check-cfg=cfg(feature,values(any())) -Zunstable-options -Zmacro-backtrace -Csplit-debuginfo=unpacked -Cforce-frame-pointers=true -Cprefer-dynamic -Cllvm-args=-import-instr-limit=10 -Zinline-mir -Zinline-mir-preserve-debug -Zmir_strip_debuginfo=locals-in-tiny-functions -Zosx-rpath-install-name -Clink-args=-Wl,-rpath,@loader_path/../lib -Clto=off -Zcrate-attr=doc(html_root_url=\"https://doc.rust-lang.org/nightly/\")" RUST_TEST_THREADS="10" __CARGO_DEFAULT_LIB_METADATA="devstd1.96.0" "/Users/timch/rust/build/aarch64-apple-darwin/stage0/bin/cargo" "build" "-Zwarnings" "--target" "aarch64-apple-darwin" "-Zbinary-dep-depinfo" "-j" "10" "-Zroot-dir=/Users/timch/rust" "-Zno-embed-metadata" "--profile=dist" "-p" "alloc" "-p" "compiler_builtins" "-p" "core" "-p" "panic_abort" "-p" "panic_unwind" "-p" "proc_macro" "-p" "rustc-std-workspace-core" "-p" "std" "-p" "std_detect" "-p" "sysroot" "-p" "test" "-p" "unwind" "--features" "backtrace panic-unwind" "--manifest-path" "/Users/timch/rust/library/sysroot/Cargo.toml" "--message-format" "json-render-diagnostics" (failure_mode=Exit)
    running: cd "/Users/timch/rust" && env -u MAKEFLAGS CARGO_BUILD_BUILD_DIR="/Users/timch/rust/build/aarch64-apple-darwin/stage1-tools" CARGO_BUILD_WARNINGS="deny" CARGO_INCREMENTAL="1" CARGO_PROFILE_RELEASE_DEBUG="line-tables-only" CARGO_PROFILE_RELEASE_DEBUG_ASSERTIONS="true" CARGO_PROFILE_RELEASE_OVERFLOW_CHECKS="false" CARGO_PROFILE_RELEASE_STRIP="false" CARGO_TARGET_AARCH64_APPLE_DARWIN_LINKER="" CARGO_TARGET_DIR="/Users/timch/rust/build/aarch64-apple-darwin/stage1-tools" CC_aarch64_apple_darwin="" CFG_COMPILER_BUILD_TRIPLE="aarch64-apple-darwin" CFG_RELEASE="1.96.0-dev" CFG_RELEASE_CHANNEL="dev" CFG_RELEASE_NUM="1.96.0" CFG_VERSION="1.96.0-dev" CFLAGS_aarch64_apple_darwin="" CXXFLAGS_aarch64_apple_darwin="-stdlib=libc++" CXX_aarch64_apple_darwin="" DOC_RUST_LANG_ORG_CHANNEL="https://doc.rust-lang.org/nightly" FORCE_ON_BROKEN_PIPE_KILL="-Zon-broken-pipe=kill" LIBC_CHECK_CFG="1" LZMA_API_STATIC="1" REAL_LIBRARY_PATH_VAR="DYLD_LIBRARY_PATH" RUSTBUILD_NATIVE_DIR="/Users/timch/rust/build/aarch64-apple-darwin/native" RUSTC="/Users/timch/rust/build/bootstrap/debug/rustc" RUSTC_BACKTRACE_ON_ICE="1" RUSTC_BOOTSTRAP="1" RUSTC_BREAK_ON_ICE="1" RUSTC_ERROR_METADATA_DST="/Users/timch/rust/build/tmp/extended-error-metadata" RUSTC_HOST_FLAGS="--check-cfg=cfg(bootstrap) --cfg=bootstrap" RUSTC_INSTALL_BINDIR="bin" RUSTC_LIBDIR="/Users/timch/rust/build/aarch64-apple-darwin/stage0/lib" RUSTC_LINK_STD_INTO_RUSTC_DRIVER="1" RUSTC_LINT_FLAGS="-Wrust_2018_idioms -Wunused_lifetimes" RUSTC_REAL="/Users/timch/rust/build/aarch64-apple-darwin/stage0/bin/rustc" RUSTC_SNAPSHOT="/Users/timch/rust/build/aarch64-apple-darwin/stage0/bin/rustc" RUSTC_SNAPSHOT_LIBDIR="/Users/timch/rust/build/aarch64-apple-darwin/stage0/lib" RUSTC_STAGE="0" RUSTC_SYSROOT="/Users/timch/rust/build/aarch64-apple-darwin/stage0-sysroot" RUSTC_TLS_MODEL_INITIAL_EXEC="1" RUSTC_VERBOSE="1" RUSTC_WRAPPER="/Users/timch/rust/build/bootstrap/debug/rustc" RUSTDOC="/Users/timch/rust/build/bootstrap/debug/rustdoc" RUSTDOCFLAGS="--cfg=windows_raw_dylib -Csymbol-mangling-version=v0 -Zunstable-options --check-cfg=cfg(bootstrap) --check-cfg=cfg(rust_analyzer) -Wrustdoc::invalid_codeblock_attributes --crate-version 1.96.0-dev --cfg=bootstrap" RUSTDOC_LIBDIR="/Users/timch/rust/build/aarch64-apple-darwin/stage0/lib" RUSTDOC_REAL="/path/to/nowhere/rustdoc/not/required" RUSTFLAGS="--cfg=windows_raw_dylib -Csymbol-mangling-version=v0 -Zunstable-options --check-cfg=cfg(bootstrap) --check-cfg=cfg(rust_analyzer) -Zmacro-backtrace -Csplit-debuginfo=unpacked -Cforce-frame-pointers=true -Cllvm-args=-import-instr-limit=10 -Zosx-rpath-install-name -Clink-args=-Wl,-rpath,@loader_path/../lib -Zunstable-options --cfg=bootstrap" RUST_TEST_THREADS="10" SYSROOT="/Users/timch/rust/build/aarch64-apple-darwin/stage0-sysroot" __CARGO_DEFAULT_LIB_METADATA="bootstraptool-rustc1.96.0" "/Users/timch/rust/build/aarch64-apple-darwin/stage0/bin/cargo" "build" "-Zwarnings" "--target" "aarch64-apple-darwin" "-Zbinary-dep-depinfo" "-j" "10" "-Zroot-dir=/Users/timch/rust" "--profile=release" "--manifest-path" "/Users/timch/rust/src/tools/rustdoc/Cargo.toml" "--message-format" "json-render-diagnostics" (failure_mode=Exit)
    Removing sysroot /Users/timch/rust/build/aarch64-apple-darwin/stage1 to avoid caching bugs
    Removing sysroot /Users/timch/rust/build/aarch64-apple-darwin/stage1/lib/rustlib/aarch64-apple-darwin/lib to avoid caching bugs
    LLVM freshness: LastModifiedUpstream { upstream: "80d0e4be6f15899649ba31669077c59a986f96cc" }
    running: "/Users/timch/rust/build/aarch64-apple-darwin/ci-llvm/bin/llvm-config" "--version" (failure_mode=Exit) (created at src/bootstrap/src/core/build_steps/llvm.rs:611:5, executed at src/bootstrap/src/core/build_steps/llvm.rs:614:10)
    running: "/Users/timch/rust/build/aarch64-apple-darwin/ci-llvm/bin/llvm-config" "--bindir" (failure_mode=Exit) (created at src/bootstrap/src/core/build_steps/compile.rs:2139:41, executed at src/bootstrap/src/core/build_steps/compile.rs:2142:22)
    /Users/timch/rust/build/aarch64-apple-darwin/ci-llvm/bin/llvm-strip does not exist; skipping copy
    Removing sysroot /Users/timch/rust/build/aarch64-apple-darwin/stage0-sysroot to avoid caching bugs
    LLVM freshness: LastModifiedUpstream { upstream: "80d0e4be6f15899649ba31669077c59a986f96cc" }
    Removing sysroot /Users/timch/rust/build/aarch64-apple-darwin/stage0-sysroot/lib/rustlib/aarch64-apple-darwin/lib to avoid caching bugs
    using sysroot /Users/timch/rust/build/aarch64-apple-darwin/stage0-sysroot
    LLVM freshness: LastModifiedUpstream { upstream: "80d0e4be6f15899649ba31669077c59a986f96cc" }
    Cache hit: "/Users/timch/rust/build/aarch64-apple-darwin/ci-llvm/bin/llvm-config" "--version" (failure_mode=Exit)
    Building stage1 compiler artifacts (stage0 -> stage1, aarch64-apple-darwin)
    running: cd "/Users/timch/rust" && env -u MAKEFLAGS AR_aarch64_apple_darwin="ar" CARGO_BUILD_BUILD_DIR="/Users/timch/rust/build/aarch64-apple-darwin/stage1-rustc" CARGO_BUILD_WARNINGS="deny" CARGO_INCREMENTAL="1" CARGO_PROFILE_RELEASE_DEBUG="line-tables-only" CARGO_PROFILE_RELEASE_DEBUG_ASSERTIONS="true" CARGO_PROFILE_RELEASE_OVERFLOW_CHECKS="false" CARGO_PROFILE_RELEASE_STRIP="false" CARGO_TARGET_DIR="/Users/timch/rust/build/aarch64-apple-darwin/stage1-rustc" CC_aarch64_apple_darwin="cc" CFG_COMPILER_BUILD_TRIPLE="aarch64-apple-darwin" CFG_COMPILER_HOST_TRIPLE="aarch64-apple-darwin" CFG_DEFAULT_CODEGEN_BACKEND="llvm" CFG_LIBDIR_RELATIVE="lib" CFG_OMIT_GIT_HASH="1" CFG_RELEASE="1.96.0-dev" CFG_RELEASE_CHANNEL="dev" CFG_VERSION="1.96.0-dev" CFLAGS_aarch64_apple_darwin="" CXXFLAGS_aarch64_apple_darwin="-stdlib=libc++" CXX_aarch64_apple_darwin="c++" LIBC_CHECK_CFG="1" LLVM_CONFIG="/Users/timch/rust/build/aarch64-apple-darwin/ci-llvm/bin/llvm-config" LLVM_LINK_SHARED="1" LLVM_RUSTLLVM="1" RANLIB_aarch64_apple_darwin="ar s" REAL_LIBRARY_PATH_VAR="DYLD_LIBRARY_PATH" RUSTBUILD_NATIVE_DIR="/Users/timch/rust/build/aarch64-apple-darwin/native" RUSTC="/Users/timch/rust/build/bootstrap/debug/rustc" RUSTC_BACKTRACE_ON_ICE="1" RUSTC_BOOTSTRAP="1" RUSTC_BREAK_ON_ICE="1" RUSTC_ERROR_METADATA_DST="/Users/timch/rust/build/tmp/extended-error-metadata" RUSTC_FORCE_UNSTABLE="1" RUSTC_HOST_FLAGS="--check-cfg=cfg(bootstrap) --cfg=bootstrap" RUSTC_INSTALL_BINDIR="bin" RUSTC_LIBDIR="/Users/timch/rust/build/aarch64-apple-darwin/stage0/lib" RUSTC_LINK_STD_INTO_RUSTC_DRIVER="1" RUSTC_LINT_FLAGS="-Wrust_2018_idioms -Wunused_lifetimes -Wrustc::internal -Drustc::symbol_intern_string_literal -Wkeyword_idents_2024 -Wunreachable_pub -Wunsafe_op_in_unsafe_fn -Wunused_crate_dependencies" RUSTC_REAL="/Users/timch/rust/build/aarch64-apple-darwin/stage0/bin/rustc" RUSTC_SNAPSHOT="/Users/timch/rust/build/aarch64-apple-darwin/stage0/bin/rustc" RUSTC_SNAPSHOT_LIBDIR="/Users/timch/rust/build/aarch64-apple-darwin/stage0/lib" RUSTC_STAGE="0" RUSTC_SYSROOT="/Users/timch/rust/build/aarch64-apple-darwin/stage0-sysroot" RUSTC_TLS_MODEL_INITIAL_EXEC="1" RUSTC_VERBOSE="1" RUSTC_WRAPPER="/Users/timch/rust/build/bootstrap/debug/rustc" RUSTDOC="/Users/timch/rust/build/bootstrap/debug/rustdoc" RUSTDOCFLAGS="--cfg=windows_raw_dylib -Csymbol-mangling-version=v0 -Zunstable-options --check-cfg=cfg(bootstrap) -Wrustdoc::invalid_codeblock_attributes --crate-version 1.96.0-dev -Zcrate-attr=warn(rust_2018_idioms) --cfg=bootstrap" RUSTDOC_LIBDIR="/Users/timch/rust/build/aarch64-apple-darwin/stage0/lib" RUSTDOC_REAL="/path/to/nowhere/rustdoc/not/required" RUSTFLAGS="--cfg=windows_raw_dylib -Csymbol-mangling-version=v0 -Zunstable-options --check-cfg=cfg(bootstrap) -Zmacro-backtrace -Csplit-debuginfo=unpacked -Cforce-frame-pointers=true -Cllvm-args=-import-instr-limit=10 -Zosx-rpath-install-name -Clink-args=-Wl,-rpath,@loader_path/../lib -Zon-broken-pipe=kill -Clto=off --cfg=bootstrap" RUST_TEST_THREADS="10" __CARGO_DEFAULT_LIB_METADATA="bootstrap1.96.0" "/Users/timch/rust/build/aarch64-apple-darwin/stage0/bin/cargo" "build" "-Zwarnings" "--target" "aarch64-apple-darwin" "-Zbinary-dep-depinfo" "-j" "10" "-Zroot-dir=/Users/timch/rust" "--profile=release" "--features" "llvm" "--manifest-path" "/Users/timch/rust/compiler/rustc/Cargo.toml" "--message-format" "json-render-diagnostics" (failure_mode=Exit)
       Compiling rustc_llvm v0.0.0 (/Users/timch/rust/compiler/rustc_llvm)
       Compiling rustc_ty_utils v0.0.0 (/Users/timch/rust/compiler/rustc_ty_utils)
       Compiling rustc_lint v0.0.0 (/Users/timch/rust/compiler/rustc_lint)
       Compiling rustc_metadata v0.0.0 (/Users/timch/rust/compiler/rustc_metadata)
       Compiling rustc_sanitizers v0.0.0 (/Users/timch/rust/compiler/rustc_sanitizers)
       Compiling rustc_traits v0.0.0 (/Users/timch/rust/compiler/rustc_traits)
       Compiling rustc_const_eval v0.0.0 (/Users/timch/rust/compiler/rustc_const_eval)
       Compiling rustc_mir_build v0.0.0 (/Users/timch/rust/compiler/rustc_mir_build)
       Compiling rustc_builtin_macros v0.0.0 (/Users/timch/rust/compiler/rustc_builtin_macros)
       Compiling rustc_borrowck v0.0.0 (/Users/timch/rust/compiler/rustc_borrowck)
       Compiling rustc_codegen_ssa v0.0.0 (/Users/timch/rust/compiler/rustc_codegen_ssa)
    error: failed to run custom build command for `rustc_llvm v0.0.0 (/Users/timch/rust/compiler/rustc_llvm)`
    
    Caused by:
      process didn't exit successfully: `/Users/timch/rust/build/aarch64-apple-darwin/stage1-rustc/release/build/rustc_llvm-8e62beee65179d73/build-script-build` (exit status: 101)
      --- stdout
      cargo:rustc-check-cfg=cfg(llvm_component,values("ipo"))
      cargo:rustc-check-cfg=cfg(llvm_component,values("bitreader"))
      cargo:rustc-check-cfg=cfg(llvm_component,values("bitwriter"))
      cargo:rustc-check-cfg=cfg(llvm_component,values("linker"))
      cargo:rustc-check-cfg=cfg(llvm_component,values("asmparser"))
      cargo:rustc-check-cfg=cfg(llvm_component,values("lto"))
      cargo:rustc-check-cfg=cfg(llvm_component,values("coverage"))
      cargo:rustc-check-cfg=cfg(llvm_component,values("instrumentation"))
      cargo:rustc-check-cfg=cfg(llvm_component,values("x86"))
      cargo:rustc-check-cfg=cfg(llvm_component,values("arm"))
      cargo:rustc-check-cfg=cfg(llvm_component,values("aarch64"))
      cargo:rustc-check-cfg=cfg(llvm_component,values("amdgpu"))
      cargo:rustc-check-cfg=cfg(llvm_component,values("avr"))
      cargo:rustc-check-cfg=cfg(llvm_component,values("loongarch"))
      cargo:rustc-check-cfg=cfg(llvm_component,values("m68k"))
      cargo:rustc-check-cfg=cfg(llvm_component,values("csky"))
      cargo:rustc-check-cfg=cfg(llvm_component,values("mips"))
      cargo:rustc-check-cfg=cfg(llvm_component,values("powerpc"))
      cargo:rustc-check-cfg=cfg(llvm_component,values("systemz"))
      cargo:rustc-check-cfg=cfg(llvm_component,values("webassembly"))
      cargo:rustc-check-cfg=cfg(llvm_component,values("msp430"))
      cargo:rustc-check-cfg=cfg(llvm_component,values("sparc"))
      cargo:rustc-check-cfg=cfg(llvm_component,values("nvptx"))
      cargo:rustc-check-cfg=cfg(llvm_component,values("hexagon"))
      cargo:rustc-check-cfg=cfg(llvm_component,values("riscv"))
      cargo:rustc-check-cfg=cfg(llvm_component,values("xtensa"))
      cargo:rustc-check-cfg=cfg(llvm_component,values("bpf"))
      cargo:rerun-if-env-changed=RUST_CHECK
      cargo:rerun-if-env-changed=REAL_LIBRARY_PATH_VAR
      cargo:rerun-if-env-changed=REAL_LIBRARY_PATH
      cargo:rerun-if-env-changed=LLVM_CONFIG
      cargo:rerun-if-changed=/Users/timch/rust/build/aarch64-apple-darwin/ci-llvm/bin/llvm-config
      cargo:rustc-cfg=llvm_component="aarch64"
      cargo:rustc-cfg=llvm_component="amdgpu"
      cargo:rustc-cfg=llvm_component="arm"
      cargo:rustc-cfg=llvm_component="asmparser"
      cargo:rustc-cfg=llvm_component="avr"
      cargo:rustc-cfg=llvm_component="bitreader"
      cargo:rustc-cfg=llvm_component="bitwriter"
      cargo:rustc-cfg=llvm_component="bpf"
      cargo:rustc-cfg=llvm_component="coverage"
      cargo:rustc-cfg=llvm_component="csky"
      cargo:rustc-cfg=llvm_component="hexagon"
      cargo:rustc-cfg=llvm_component="instrumentation"
      cargo:rustc-cfg=llvm_component="ipo"
      cargo:rustc-cfg=llvm_component="linker"
      cargo:rustc-cfg=llvm_component="loongarch"
      cargo:rustc-cfg=llvm_component="lto"
      cargo:rustc-cfg=llvm_component="m68k"
      cargo:rustc-cfg=llvm_component="mips"
      cargo:rustc-cfg=llvm_component="msp430"
      cargo:rustc-cfg=llvm_component="nvptx"
      cargo:rustc-cfg=llvm_component="powerpc"
      cargo:rustc-cfg=llvm_component="riscv"
      cargo:rustc-cfg=llvm_component="sparc"
      cargo:rustc-cfg=llvm_component="systemz"
      cargo:rustc-cfg=llvm_component="webassembly"
      cargo:rustc-cfg=llvm_component="x86"
      cargo:rustc-cfg=llvm_component="xtensa"
      cargo:rerun-if-env-changed=LLVM_ENZYME
      cargo:rerun-if-env-changed=LLVM_OFFLOAD
      cargo:rerun-if-env-changed=LLVM_RUSTLLVM
      cargo:rerun-if-env-changed=LLVM_ASSERTIONS
      cargo:rerun-if-changed=llvm-wrapper/CoverageMappingWrapper.cpp
      cargo:rerun-if-changed=llvm-wrapper/SymbolWrapper.cpp
      cargo:rerun-if-changed=llvm-wrapper/PassWrapper.cpp
      cargo:rerun-if-changed=llvm-wrapper/.editorconfig
      cargo:rerun-if-changed=llvm-wrapper/README
      cargo:rerun-if-changed=llvm-wrapper/RustWrapper.cpp
      cargo:rerun-if-changed=llvm-wrapper/Linker.cpp
      cargo:rerun-if-changed=llvm-wrapper/SuppressLLVMWarnings.h
      cargo:rerun-if-changed=llvm-wrapper/LLVMWrapper.h
      OUT_DIR = Some(/Users/timch/rust/build/aarch64-apple-darwin/stage1-rustc/aarch64-apple-darwin/release/build/rustc_llvm-54395567ece97de8/out)
      OPT_LEVEL = Some(3)
      TARGET = Some(aarch64-apple-darwin)
      HOST = Some(aarch64-apple-darwin)
      cargo:rerun-if-env-changed=CXX_aarch64-apple-darwin
      CXX_aarch64-apple-darwin = None
      cargo:rerun-if-env-changed=CXX_aarch64_apple_darwin
      CXX_aarch64_apple_darwin = Some(c++)
      cargo:rerun-if-env-changed=CC_KNOWN_WRAPPER_CUSTOM
      CC_KNOWN_WRAPPER_CUSTOM = None
      RUSTC_WRAPPER = Some(/Users/timch/rust/build/bootstrap/debug/rustc)
      cargo:rerun-if-env-changed=CC_ENABLE_DEBUG_OUTPUT
      cargo:rerun-if-env-changed=CRATE_CC_NO_DEFAULTS
      CRATE_CC_NO_DEFAULTS = None
      DEBUG = Some(true)
      cargo:rerun-if-env-changed=MACOSX_DEPLOYMENT_TARGET
      MACOSX_DEPLOYMENT_TARGET = None
      cargo:rerun-if-env-changed=CXXFLAGS
      CXXFLAGS = None
      cargo:rerun-if-env-changed=HOST_CXXFLAGS
      HOST_CXXFLAGS = None
      cargo:rerun-if-env-changed=CXXFLAGS_aarch64_apple_darwin
      CXXFLAGS_aarch64_apple_darwin = Some(-stdlib=libc++)
      cargo:rerun-if-env-changed=CC_SHELL_ESCAPED_FLAGS
      CC_SHELL_ESCAPED_FLAGS = None
      cargo:rerun-if-env-changed=CXXFLAGS_aarch64-apple-darwin
      CXXFLAGS_aarch64-apple-darwin = None
      CARGO_ENCODED_RUSTFLAGS = Some(--cfg=windows_raw_dylib-Csymbol-mangling-version=v0-Zunstable-options--check-cfg=cfg(bootstrap)-Zmacro-backtrace-Csplit-debuginfo=unpacked-Cforce-frame-pointers=true-Cllvm-args=-import-instr-limit=10-Zosx-rpath-install-name-Clink-args=-Wl,-rpath,@loader_path/../lib-Zon-broken-pipe=kill-Clto=off--cfg=bootstrap)
      OUT_DIR = Some(/Users/timch/rust/build/aarch64-apple-darwin/stage1-rustc/aarch64-apple-darwin/release/build/rustc_llvm-54395567ece97de8/out)
      cargo:rerun-if-env-changed=CC_ENABLE_DEBUG_OUTPUT
      cargo:rerun-if-env-changed=CRATE_CC_NO_DEFAULTS
      CRATE_CC_NO_DEFAULTS = None
      TARGET = Some(aarch64-apple-darwin)
      cargo:rerun-if-env-changed=MACOSX_DEPLOYMENT_TARGET
      MACOSX_DEPLOYMENT_TARGET = None
      HOST = Some(aarch64-apple-darwin)
      cargo:rerun-if-env-changed=CXXFLAGS
      CXXFLAGS = None
      cargo:rerun-if-env-changed=HOST_CXXFLAGS
      HOST_CXXFLAGS = None
      cargo:rerun-if-env-changed=CXXFLAGS_aarch64_apple_darwin
      CXXFLAGS_aarch64_apple_darwin = Some(-stdlib=libc++)
      cargo:rerun-if-env-changed=CC_SHELL_ESCAPED_FLAGS
      CC_SHELL_ESCAPED_FLAGS = None
      cargo:rerun-if-env-changed=CXXFLAGS_aarch64-apple-darwin
      CXXFLAGS_aarch64-apple-darwin = None
      cargo:rerun-if-env-changed=AR_aarch64-apple-darwin
      AR_aarch64-apple-darwin = None
      cargo:rerun-if-env-changed=AR_aarch64_apple_darwin
      AR_aarch64_apple_darwin = Some(ar)
      cargo:rerun-if-env-changed=ARFLAGS
      ARFLAGS = None
      cargo:rerun-if-env-changed=HOST_ARFLAGS
      HOST_ARFLAGS = None
      cargo:rerun-if-env-changed=ARFLAGS_aarch64_apple_darwin
      ARFLAGS_aarch64_apple_darwin = None
      cargo:rerun-if-env-changed=ARFLAGS_aarch64-apple-darwin
      ARFLAGS_aarch64-apple-darwin = None
      cargo:rustc-link-lib=static=llvm-wrapper
      cargo:rustc-link-search=native=/Users/timch/rust/build/aarch64-apple-darwin/stage1-rustc/aarch64-apple-darwin/release/build/rustc_llvm-54395567ece97de8/out
      cargo:rerun-if-env-changed=LLVM_LINK_SHARED
      cargo:rustc-link-lib=z
    
      --- stderr
      llvm-config: error: libLLVM-22-rust-1.96.0-nightly.dylib is missing
    
      thread 'main' (176271) panicked at compiler/rustc_llvm/build.rs:191:43:
      command did not execute successfully: "/Users/timch/rust/build/aarch64-apple-darwin/ci-llvm/bin/llvm-config" "--link-shared" "--libs" "--system-libs" "aarch64" "amdgpu" "arm" "asmparser" "avr" "bitreader" "bitwriter" "bpf" "coverage" "csky" "hexagon" "instrumentation" "ipo" "linker" "loongarch" "lto" "m68k" "mips" "msp430" "nvptx" "powerpc" "riscv" "sparc" "systemz" "webassembly" "x86" "xtensa" "--quote-paths"
      expected success, got: exit status: 1
      stack backtrace:
         0: __rustc::rust_begin_unwind
                   at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:689:5
         1: core::panicking::panic_fmt
                   at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panicking.rs:80:14
         2: execute
                   at ./build.rs:102:9
         3: output
                   at ./build.rs:113:23
         4: {closure#0}
                   at ./build.rs:191:43
         5: main
                   at ./build.rs:361:17
         6: call_once<fn(), ()>
                   at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
      note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
    warning: build failed, waiting for other jobs to finish...
    command did not execute successfully: cd "/Users/timch/rust" && env -u MAKEFLAGS AR_aarch64_apple_darwin="ar" CARGO_BUILD_BUILD_DIR="/Users/timch/rust/build/aarch64-apple-darwin/stage1-rustc" CARGO_BUILD_WARNINGS="deny" CARGO_INCREMENTAL="1" CARGO_PROFILE_RELEASE_DEBUG="line-tables-only" CARGO_PROFILE_RELEASE_DEBUG_ASSERTIONS="true" CARGO_PROFILE_RELEASE_OVERFLOW_CHECKS="false" CARGO_PROFILE_RELEASE_STRIP="false" CARGO_TARGET_DIR="/Users/timch/rust/build/aarch64-apple-darwin/stage1-rustc" CC_aarch64_apple_darwin="cc" CFG_COMPILER_BUILD_TRIPLE="aarch64-apple-darwin" CFG_COMPILER_HOST_TRIPLE="aarch64-apple-darwin" CFG_DEFAULT_CODEGEN_BACKEND="llvm" CFG_LIBDIR_RELATIVE="lib" CFG_OMIT_GIT_HASH="1" CFG_RELEASE="1.96.0-dev" CFG_RELEASE_CHANNEL="dev" CFG_VERSION="1.96.0-dev" CFLAGS_aarch64_apple_darwin="" CXXFLAGS_aarch64_apple_darwin="-stdlib=libc++" CXX_aarch64_apple_darwin="c++" LIBC_CHECK_CFG="1" LLVM_CONFIG="/Users/timch/rust/build/aarch64-apple-darwin/ci-llvm/bin/llvm-config" LLVM_LINK_SHARED="1" LLVM_RUSTLLVM="1" RANLIB_aarch64_apple_darwin="ar s" REAL_LIBRARY_PATH_VAR="DYLD_LIBRARY_PATH" RUSTBUILD_NATIVE_DIR="/Users/timch/rust/build/aarch64-apple-darwin/native" RUSTC="/Users/timch/rust/build/bootstrap/debug/rustc" RUSTC_BACKTRACE_ON_ICE="1" RUSTC_BOOTSTRAP="1" RUSTC_BREAK_ON_ICE="1" RUSTC_ERROR_METADATA_DST="/Users/timch/rust/build/tmp/extended-error-metadata" RUSTC_FORCE_UNSTABLE="1" RUSTC_HOST_FLAGS="--check-cfg=cfg(bootstrap) --cfg=bootstrap" RUSTC_INSTALL_BINDIR="bin" RUSTC_LIBDIR="/Users/timch/rust/build/aarch64-apple-darwin/stage0/lib" RUSTC_LINK_STD_INTO_RUSTC_DRIVER="1" RUSTC_LINT_FLAGS="-Wrust_2018_idioms -Wunused_lifetimes -Wrustc::internal -Drustc::symbol_intern_string_literal -Wkeyword_idents_2024 -Wunreachable_pub -Wunsafe_op_in_unsafe_fn -Wunused_crate_dependencies" RUSTC_REAL="/Users/timch/rust/build/aarch64-apple-darwin/stage0/bin/rustc" RUSTC_SNAPSHOT="/Users/timch/rust/build/aarch64-apple-darwin/stage0/bin/rustc" RUSTC_SNAPSHOT_LIBDIR="/Users/timch/rust/build/aarch64-apple-darwin/stage0/lib" RUSTC_STAGE="0" RUSTC_SYSROOT="/Users/timch/rust/build/aarch64-apple-darwin/stage0-sysroot" RUSTC_TLS_MODEL_INITIAL_EXEC="1" RUSTC_VERBOSE="1" RUSTC_WRAPPER="/Users/timch/rust/build/bootstrap/debug/rustc" RUSTDOC="/Users/timch/rust/build/bootstrap/debug/rustdoc" RUSTDOCFLAGS="--cfg=windows_raw_dylib -Csymbol-mangling-version=v0 -Zunstable-options --check-cfg=cfg(bootstrap) -Wrustdoc::invalid_codeblock_attributes --crate-version 1.96.0-dev -Zcrate-attr=warn(rust_2018_idioms) --cfg=bootstrap" RUSTDOC_LIBDIR="/Users/timch/rust/build/aarch64-apple-darwin/stage0/lib" RUSTDOC_REAL="/path/to/nowhere/rustdoc/not/required" RUSTFLAGS="--cfg=windows_raw_dylib -Csymbol-mangling-version=v0 -Zunstable-options --check-cfg=cfg(bootstrap) -Zmacro-backtrace -Csplit-debuginfo=unpacked -Cforce-frame-pointers=true -Cllvm-args=-import-instr-limit=10 -Zosx-rpath-install-name -Clink-args=-Wl,-rpath,@loader_path/../lib -Zon-broken-pipe=kill -Clto=off --cfg=bootstrap" RUST_TEST_THREADS="10" __CARGO_DEFAULT_LIB_METADATA="bootstrap1.96.0" "/Users/timch/rust/build/aarch64-apple-darwin/stage0/bin/cargo" "build" "-Zwarnings" "--target" "aarch64-apple-darwin" "-Zbinary-dep-depinfo" "-j" "10" "-Zroot-dir=/Users/timch/rust" "--profile=release" "--features" "llvm" "--manifest-path" "/Users/timch/rust/compiler/rustc/Cargo.toml" "--message-format" "json-render-diagnostics" (failure_mode=Exit)
    expected success, got: exit status: 101
    Traceback (most recent call last):
      File "/Users/timch/rust/x.py", line 53, in <module>
        bootstrap.main()
        ~~~~~~~~~~~~~~^^
      File "/Users/timch/rust/src/bootstrap/bootstrap.py", line 1413, in main
        bootstrap(args)
        ~~~~~~~~~^^^^^^
      File "/Users/timch/rust/src/bootstrap/bootstrap.py", line 1371, in bootstrap
        run(args, env=env, verbose=build.verbose, is_bootstrap=True)
        ~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
      File "/Users/timch/rust/src/bootstrap/bootstrap.py", line 237, in run
        raise RuntimeError(err)
    RuntimeError: failed to run: /Users/timch/rust/build/bootstrap/debug/bootstrap build -v
22. theemathas

    reopened this on Mar 26, 2026
23. jieyouxu commented on Mar 26, 2026

    

    jieyouxu

    on Mar 26, 2026

    Last edited by jieyouxu

    Member

    More actions

    ... Does it happen on a commit before #154348?

    EDIT: no. I need to check if that's the change that matters.
24. jieyouxu commented on Mar 26, 2026

    

    jieyouxu

    on Mar 26, 2026

    Member

    More actions

    Tracking the new instance in #154408.
25. jieyouxu

    closed this as completedon Mar 26, 2026
26. jieyouxu

    added

    A-bootstrap-ci-llvmArea: bootstrap CI LLVMArea: bootstrap CI LLVM

    on Mar 26, 2026