[INFO] cloning repository https://github.com/LiuyichenYanwushang/Rustb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LiuyichenYanwushang/Rustb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiuyichenYanwushang%2FRustb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiuyichenYanwushang%2FRustb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a26dabb5c181043425e02dce8e6ec9dc3edc7ae3
[INFO] documenting LiuyichenYanwushang/Rustb against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiuyichenYanwushang%2FRustb" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/LiuyichenYanwushang/Rustb
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/LiuyichenYanwushang/Rustb
[INFO] tweaked toml for git repo https://github.com/LiuyichenYanwushang/Rustb written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LiuyichenYanwushang/Rustb on toolchain a394c9cd9ec93787f09a7ac445b14cc674a94549
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/LiuyichenYanwushang/Rustb already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: profile.release.opt_level
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 20 packages to latest Rust 1.85.0 compatible versions
[INFO] [stderr]     Updating approx v0.4.0 -> v0.5.1
[INFO] [stderr]     Updating blas v0.22.0 -> v0.23.0
[INFO] [stderr]     Updating blas-sys v0.7.1 -> v0.8.0
[INFO] [stderr]     Updating cblas-sys v0.1.4 -> v0.2.0 (available: v0.3.0)
[INFO] [stderr]     Updating katexit v0.1.4 -> v0.1.5
[INFO] [stderr]       Adding lapack-sys v0.15.0
[INFO] [stderr]     Updating lax v0.16.0 -> v0.18.0
[INFO] [stderr]     Updating ndarray v0.15.6 -> v0.17.2
[INFO] [stderr]     Updating ndarray-linalg v0.16.0 -> v0.18.1
[INFO] [stderr]     Updating netlib-src v0.8.0 -> v0.9.0
[INFO] [stderr]       Adding portable-atomic v1.13.1
[INFO] [stderr]       Adding portable-atomic-util v0.2.5
[INFO] [stderr]     Updating proc-macro2 v1.0.89 -> v1.0.106
[INFO] [stderr]     Updating quote v1.0.37 -> v1.0.44
[INFO] [stderr]     Updating serde v1.0.213 -> v1.0.228
[INFO] [stderr]       Adding serde_core v1.0.228
[INFO] [stderr]     Updating serde_derive v1.0.213 -> v1.0.228
[INFO] [stderr]       Adding syn v2.0.114
[INFO] [stderr]       Adding thiserror v2.0.18
[INFO] [stderr]       Adding thiserror-impl v2.0.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c3f94a126ef8b8ee4b759d7986928231a27f99b219ccc54ea3204e2efa7250b
[INFO] running `Command { std: "docker" "start" "-a" "9c3f94a126ef8b8ee4b759d7986928231a27f99b219ccc54ea3204e2efa7250b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c3f94a126ef8b8ee4b759d7986928231a27f99b219ccc54ea3204e2efa7250b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c3f94a126ef8b8ee4b759d7986928231a27f99b219ccc54ea3204e2efa7250b", kill_on_drop: false }`
[INFO] [stdout] 9c3f94a126ef8b8ee4b759d7986928231a27f99b219ccc54ea3204e2efa7250b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22dfe9b04885ce7079802a096965100a6c708bb2751dea05f3d1e8edee96a339
[INFO] running `Command { std: "docker" "start" "-a" "22dfe9b04885ce7079802a096965100a6c708bb2751dea05f3d1e8edee96a339", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: profile.release.opt_level
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]     Checking gnuplot v0.0.39
[INFO] [stderr]     Checking lapack-sys v0.15.0
[INFO] [stderr]     Checking blas-sys v0.8.0
[INFO] [stderr]     Checking lapack-sys v0.14.0
[INFO] [stderr]     Checking cblas-sys v0.2.0
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling katexit v0.1.5
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking thiserror v2.0.18
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking cauchy v0.4.0
[INFO] [stderr]     Checking ndarray v0.17.2
[INFO] [stderr]     Checking blas v0.23.0
[INFO] [stderr]     Checking lapack v0.19.0
[INFO] [stderr]     Checking lax v0.18.0
[INFO] [stderr]     Checking ndarray-linalg v0.18.1
[INFO] [stderr]  Documenting Rustb v0.6.3 (/opt/rustwide/workdir)
[INFO] [stderr] 
[INFO] [stderr] thread 'rustc' (320) panicked at src/librustdoc/html/markdown.rs:541:22:
[INFO] [stderr] a production-ready version of this should handle the error somehow: LatexError(0, UnknownCommand("ket"))
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x74e2b3e46d9b - <<std[6281e874092a0dfc]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[37ab4a9f28f6fd13]::fmt::Display>::fmt
[INFO] [stderr]    1:     0x74e2b440ef88 - core[37ab4a9f28f6fd13]::fmt::write
[INFO] [stderr]    2:     0x74e2b3e5dc36 - <std[6281e874092a0dfc]::sys::stdio::unix::Stderr as std[6281e874092a0dfc]::io::Write>::write_fmt
[INFO] [stderr]    3:     0x74e2b3e1ce48 - std[6281e874092a0dfc]::panicking::default_hook::{closure#0}
[INFO] [stderr]    4:     0x74e2b3e3a163 - std[6281e874092a0dfc]::panicking::default_hook
[INFO] [stderr]    5:     0x74e2b2e0ff8d - std[6281e874092a0dfc]::panicking::update_hook::<alloc[56313f94ec8c6695]::boxed::Box<rustc_driver_impl[3f098eb6bc26bcd1]::install_ice_hook::{closure#1}>>::{closure#0}
[INFO] [stderr]    6:     0x74e2b3e3a442 - std[6281e874092a0dfc]::panicking::panic_with_hook
[INFO] [stderr]    7:     0x74e2b3e1cf08 - std[6281e874092a0dfc]::panicking::panic_handler::{closure#0}
[INFO] [stderr]    8:     0x74e2b3e11479 - std[6281e874092a0dfc]::sys::backtrace::__rust_end_short_backtrace::<std[6281e874092a0dfc]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]    9:     0x74e2b3e1e96d - __rustc[670611b3f56fc7d7]::rust_begin_unwind
[INFO] [stderr]   10:     0x74e2b0ace58c - core[37ab4a9f28f6fd13]::panicking::panic_fmt
[INFO] [stderr]   11:     0x74e2b0788b72 - core[37ab4a9f28f6fd13]::result::unwrap_failed
[INFO] [stderr]   12:     0x5bdff918c4e7 - <rustdoc[7f40747ea455e46f]::html::markdown::Math<rustdoc[7f40747ea455e46f]::html::markdown::TableWrapper<core[37ab4a9f28f6fd13]::iter::adapters::map::Map<rustdoc[7f40747ea455e46f]::html::markdown::footnotes::Footnotes<rustdoc[7f40747ea455e46f]::html::markdown::SpannedLinkReplacer<rustdoc[7f40747ea455e46f]::html::markdown::HeadingLinks<pulldown_cmark[baa249b750500f7c]::parse::OffsetIter<<rustdoc[7f40747ea455e46f]::html::markdown::Markdown>::into_iter::{closure#0}>>>>, <rustdoc[7f40747ea455e46f]::html::markdown::Markdown>::into_iter::{closure#1}::{closure#0}>>> as core[37ab4a9f28f6fd13]::iter::traits::iterator::Iterator>::next
[INFO] [stderr]   13:     0x5bdff9122c16 - <rustdoc[7f40747ea455e46f]::html::markdown::CodeBlocks<rustdoc[7f40747ea455e46f]::html::markdown::Math<rustdoc[7f40747ea455e46f]::html::markdown::TableWrapper<core[37ab4a9f28f6fd13]::iter::adapters::map::Map<rustdoc[7f40747ea455e46f]::html::markdown::footnotes::Footnotes<rustdoc[7f40747ea455e46f]::html::markdown::SpannedLinkReplacer<rustdoc[7f40747ea455e46f]::html::markdown::HeadingLinks<pulldown_cmark[baa249b750500f7c]::parse::OffsetIter<<rustdoc[7f40747ea455e46f]::html::markdown::Markdown>::into_iter::{closure#0}>>>>, <rustdoc[7f40747ea455e46f]::html::markdown::Markdown>::into_iter::{closure#1}::{closure#0}>>>> as core[37ab4a9f28f6fd13]::iter::traits::iterator::Iterator>::next
[INFO] [stderr]   14:     0x5bdff8f88493 - <pulldown_cmark[baa249b750500f7c]::html::HtmlWriter<rustdoc[7f40747ea455e46f]::html::markdown::CodeBlocks<rustdoc[7f40747ea455e46f]::html::markdown::Math<rustdoc[7f40747ea455e46f]::html::markdown::TableWrapper<core[37ab4a9f28f6fd13]::iter::adapters::map::Map<rustdoc[7f40747ea455e46f]::html::markdown::footnotes::Footnotes<rustdoc[7f40747ea455e46f]::html::markdown::SpannedLinkReplacer<rustdoc[7f40747ea455e46f]::html::markdown::HeadingLinks<pulldown_cmark[baa249b750500f7c]::parse::OffsetIter<<rustdoc[7f40747ea455e46f]::html::markdown::Markdown>::into_iter::{closure#0}>>>>, <rustdoc[7f40747ea455e46f]::html::markdown::Markdown>::into_iter::{closure#1}::{closure#0}>>>>, pulldown_cmark_escape[cb8658d251f4e39e]::FmtWriter<&mut core[37ab4a9f28f6fd13]::fmt::Formatter>>>::run
[INFO] [stderr]   15:     0x5bdff8dd7b80 - <rustdoc[7f40747ea455e46f]::html::markdown::Markdown>::write_into::<&mut core[37ab4a9f28f6fd13]::fmt::Formatter>
[INFO] [stderr]   16:     0x5bdff917b521 - <core[37ab4a9f28f6fd13]::fmt::builders::FromFn<rustdoc[7f40747ea455e46f]::html::render::render_markdown::{closure#0}> as core[37ab4a9f28f6fd13]::fmt::Display>::fmt
[INFO] [stderr]   17:     0x74e2b440ef88 - core[37ab4a9f28f6fd13]::fmt::write
[INFO] [stderr]   18:     0x5bdff917c5da - <core[37ab4a9f28f6fd13]::fmt::builders::FromFn<rustdoc[7f40747ea455e46f]::html::render::document_full_inner::{closure#0}> as core[37ab4a9f28f6fd13]::fmt::Display>::fmt
[INFO] [stderr]   19:     0x74e2b440ef88 - core[37ab4a9f28f6fd13]::fmt::write
[INFO] [stderr]   20:     0x5bdff917d5a5 - <core[37ab4a9f28f6fd13]::fmt::builders::FromFn<rustdoc[7f40747ea455e46f]::html::render::document::{closure#0}> as core[37ab4a9f28f6fd13]::fmt::Display>::fmt
[INFO] [stderr]   21:     0x74e2b440ef88 - core[37ab4a9f28f6fd13]::fmt::write
[INFO] [stderr]   22:     0x5bdff918276c - <core[37ab4a9f28f6fd13]::fmt::builders::FromFn<rustdoc[7f40747ea455e46f]::html::render::print_item::item_variants::{closure#0}> as core[37ab4a9f28f6fd13]::fmt::Display>::fmt
[INFO] [stderr]   23:     0x74e2b440ef88 - core[37ab4a9f28f6fd13]::fmt::write
[INFO] [stderr]   24:     0x5bdff8d9c03d - <rustdoc[7f40747ea455e46f]::html::render::print_item::DisplayEnum>::render_into::<core[37ab4a9f28f6fd13]::fmt::Formatter>
[INFO] [stderr]   25:     0x5bdff91873f9 - <core[37ab4a9f28f6fd13]::fmt::builders::FromFn<rustdoc[7f40747ea455e46f]::html::render::print_item::item_enum::{closure#0}> as core[37ab4a9f28f6fd13]::fmt::Display>::fmt
[INFO] [stderr]   26:     0x74e2b440ef88 - core[37ab4a9f28f6fd13]::fmt::write
[INFO] [stderr]   27:     0x5bdff8e73c6a - rustdoc[7f40747ea455e46f]::html::layout::render::<core[37ab4a9f28f6fd13]::fmt::builders::FromFn<rustdoc[7f40747ea455e46f]::html::render::print_item::print_item::{closure#0}>, core[37ab4a9f28f6fd13]::fmt::builders::FromFn<<rustdoc[7f40747ea455e46f]::html::render::context::Context>::render_item::{closure#1}>>
[INFO] [stderr]   28:     0x5bdff8fc7b85 - <rustdoc[7f40747ea455e46f]::html::render::context::Context>::render_item
[INFO] [stderr]   29:     0x5bdff9162a5e - <rustdoc[7f40747ea455e46f]::html::render::context::Context as rustdoc[7f40747ea455e46f]::formats::renderer::FormatRenderer>::item
[INFO] [stderr]   30:     0x5bdff8e7cadc - rustdoc[7f40747ea455e46f]::formats::renderer::run_format_inner::<rustdoc[7f40747ea455e46f]::html::render::context::Context>
[INFO] [stderr]   31:     0x5bdff8e7cc8f - rustdoc[7f40747ea455e46f]::formats::renderer::run_format_inner::<rustdoc[7f40747ea455e46f]::html::render::context::Context>
[INFO] [stderr]   32:     0x5bdff8e7cc8f - rustdoc[7f40747ea455e46f]::formats::renderer::run_format_inner::<rustdoc[7f40747ea455e46f]::html::render::context::Context>
[INFO] [stderr]   33:     0x5bdff8f4539f - rustdoc[7f40747ea455e46f]::main_args::{closure#2}::{closure#0}
[INFO] [stderr]   34:     0x5bdff8f39100 - rustc_interface[7c235db06cadd779]::interface::run_compiler::<(), rustdoc[7f40747ea455e46f]::main_args::{closure#2}>::{closure#1}
[INFO] [stderr]   35:     0x5bdff8e72078 - std[6281e874092a0dfc]::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface[7c235db06cadd779]::util::run_in_thread_with_globals<rustc_interface[7c235db06cadd779]::util::run_in_thread_pool_with_globals<rustc_interface[7c235db06cadd779]::interface::run_compiler<(), rustdoc[7f40747ea455e46f]::main_args::{closure#2}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>
[INFO] [stderr]   36:     0x5bdff8f6bdf7 - <std[6281e874092a0dfc]::thread::lifecycle::spawn_unchecked<rustc_interface[7c235db06cadd779]::util::run_in_thread_with_globals<rustc_interface[7c235db06cadd779]::util::run_in_thread_pool_with_globals<rustc_interface[7c235db06cadd779]::interface::run_compiler<(), rustdoc[7f40747ea455e46f]::main_args::{closure#2}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[37ab4a9f28f6fd13]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]   37:     0x74e2b561dbac - <std[6281e874092a0dfc]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stderr]   38:     0x74e2af08aaa4 - <unknown>
[INFO] [stderr]   39:     0x74e2af117a64 - clone
[INFO] [stderr]   40:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] error: the compiler unexpectedly panicked. this is a bug.
[INFO] [stderr] 
[INFO] [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-rustdoc&template=ice.md
[INFO] [stderr] 
[INFO] [stderr] note: please make sure that you have updated to the latest nightly
[INFO] [stderr] 
[INFO] [stderr] warning: the ICE couldn't be written to `/opt/rustwide/workdir/rustc-ice-2026-02-06T20_27_57-319.txt`: Read-only file system (os error 30)
[INFO] [stderr] 
[INFO] [stderr] note: rustc 1.95.0-nightly (a394c9cd9 2026-01-31) running on x86_64-unknown-linux-gnu
[INFO] [stderr] 
[INFO] [stderr] note: compiler flags: --crate-type lib
[INFO] [stderr] 
[INFO] [stderr] note: some of the compiler flags provided by cargo are hidden
[INFO] [stderr] 
[INFO] [stderr] query stack during panic:
[INFO] [stderr] end of query stack
[INFO] [stderr] error: could not document `Rustb`
[INFO] running `Command { std: "docker" "inspect" "22dfe9b04885ce7079802a096965100a6c708bb2751dea05f3d1e8edee96a339", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22dfe9b04885ce7079802a096965100a6c708bb2751dea05f3d1e8edee96a339", kill_on_drop: false }`
[INFO] [stdout] 22dfe9b04885ce7079802a096965100a6c708bb2751dea05f3d1e8edee96a339