[INFO] fetching crate mpir 0.4.5...
[INFO] documenting mpir-0.4.5 against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918
[INFO] extracting crate mpir 0.4.5 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate mpir 0.4.5
[INFO] finished tweaking crates.io crate mpir 0.4.5
[INFO] tweaked toml for crates.io crate mpir 0.4.5 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mpir 0.4.5 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 80 packages to latest compatible versions
[INFO] [stderr]       Adding bindgen v0.65.1 (available: v0.72.1)
[INFO] [stderr]       Adding cc v1.0.79 (available: v1.2.55)
[INFO] [stderr]       Adding home v0.5.5 (available: v0.5.12)
[INFO] [stderr]       Adding once_cell v1.20.3 (available: v1.21.3)
[INFO] [stderr]       Adding serial_test v3.2.0 (available: v3.3.1)
[INFO] [stderr]       Adding serial_test_derive v3.2.0 (available: v3.3.1)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e219732559cec18b02ac98e857a052f161986b43a9ae96dd5ca2c12e30cfbba9
[INFO] running `Command { std: "docker" "start" "-a" "e219732559cec18b02ac98e857a052f161986b43a9ae96dd5ca2c12e30cfbba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e219732559cec18b02ac98e857a052f161986b43a9ae96dd5ca2c12e30cfbba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e219732559cec18b02ac98e857a052f161986b43a9ae96dd5ca2c12e30cfbba9", kill_on_drop: false }`
[INFO] [stdout] e219732559cec18b02ac98e857a052f161986b43a9ae96dd5ca2c12e30cfbba9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 45d749dd91fc96cf7cd0979ff3a0d26ff38725696c5af8b1121ee97839ff515e
[INFO] running `Command { std: "docker" "start" "-a" "45d749dd91fc96cf7cd0979ff3a0d26ff38725696c5af8b1121ee97839ff515e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling regex-syntax v0.8.9
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling home v0.5.5
[INFO] [stderr]    Compiling bindgen v0.65.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]     Checking sdd v3.0.10
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking once_cell v1.20.3
[INFO] [stderr]     Checking impl_ops_cmp v0.0.2
[INFO] [stderr]     Checking from_ref v0.0.1
[INFO] [stderr]     Checking onforward_ref v0.0.1
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]     Checking scc v2.4.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling serial_test_derive v3.2.0
[INFO] [stderr]     Checking serial_test v3.2.0
[INFO] [stderr]    Compiling mpir v0.4.5 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting mpir v0.4.5 (/opt/rustwide/workdir)
[INFO] [stderr] 
[INFO] [stderr] thread 'rustc' (681) panicked at src/librustdoc/html/markdown.rs:534:22:
[INFO] [stderr] a production-ready version of this should handle the error somehow: LatexError(4, CannotBeUsedHere { got: NewColumn, correct_place: TableEnv })
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x7c68ee046d9b - <<std[6281e874092a0dfc]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[37ab4a9f28f6fd13]::fmt::Display>::fmt
[INFO] [stderr]    1:     0x7c68ee60ef88 - core[37ab4a9f28f6fd13]::fmt::write
[INFO] [stderr]    2:     0x7c68ee05dc36 - <std[6281e874092a0dfc]::sys::stdio::unix::Stderr as std[6281e874092a0dfc]::io::Write>::write_fmt
[INFO] [stderr]    3:     0x7c68ee01ce48 - std[6281e874092a0dfc]::panicking::default_hook::{closure#0}
[INFO] [stderr]    4:     0x7c68ee03a163 - std[6281e874092a0dfc]::panicking::default_hook
[INFO] [stderr]    5:     0x7c68ed00ff8d - std[6281e874092a0dfc]::panicking::update_hook::<alloc[56313f94ec8c6695]::boxed::Box<rustc_driver_impl[3f098eb6bc26bcd1]::install_ice_hook::{closure#1}>>::{closure#0}
[INFO] [stderr]    6:     0x7c68ee03a442 - std[6281e874092a0dfc]::panicking::panic_with_hook
[INFO] [stderr]    7:     0x7c68ee01cf08 - std[6281e874092a0dfc]::panicking::panic_handler::{closure#0}
[INFO] [stderr]    8:     0x7c68ee011479 - std[6281e874092a0dfc]::sys::backtrace::__rust_end_short_backtrace::<std[6281e874092a0dfc]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]    9:     0x7c68ee01e96d - __rustc[670611b3f56fc7d7]::rust_begin_unwind
[INFO] [stderr]   10:     0x7c68eacce58c - core[37ab4a9f28f6fd13]::panicking::panic_fmt
[INFO] [stderr]   11:     0x7c68ea988b72 - core[37ab4a9f28f6fd13]::result::unwrap_failed
[INFO] [stderr]   12:     0x6056b067451e - <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:     0x6056b060ac16 - <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:     0x6056b052db35 - <rustdoc[7f40747ea455e46f]::html::markdown::Markdown>::split_summary_and_content
[INFO] [stderr]   15:     0x6056b066259c - <core[37ab4a9f28f6fd13]::fmt::builders::FromFn<rustdoc[7f40747ea455e46f]::html::render::render_impl::{closure#0}> as core[37ab4a9f28f6fd13]::fmt::Display>::fmt
[INFO] [stderr]   16:     0x6056b05ff794 - <core[37ab4a9f28f6fd13]::iter::adapters::map::Map<core[37ab4a9f28f6fd13]::iter::adapters::filter_map::FilterMap<indexmap[62e210f0f8ed266a]::map::iter::Values<rustdoc[7f40747ea455e46f]::clean::types::ItemId, rustdoc[7f40747ea455e46f]::html::render::write_shared::AliasedTypeImpl>, <rustdoc[7f40747ea455e46f]::html::render::write_shared::Part<rustdoc[7f40747ea455e46f]::html::render::write_shared::TypeAlias, rustdoc[7f40747ea455e46f]::html::render::ordered_json::OrderedJson>>::get::{closure#0}>, <rustdoc[7f40747ea455e46f]::html::render::write_shared::Part<rustdoc[7f40747ea455e46f]::html::render::write_shared::TypeAlias, rustdoc[7f40747ea455e46f]::html::render::ordered_json::OrderedJson>>::get::{closure#1}> as core[37ab4a9f28f6fd13]::iter::traits::iterator::Iterator>::next
[INFO] [stderr]   17:     0x6056b05226ff - <rustdoc[7f40747ea455e46f]::html::render::write_shared::Part<rustdoc[7f40747ea455e46f]::html::render::write_shared::TypeAlias, rustdoc[7f40747ea455e46f]::html::render::ordered_json::OrderedJson>>::get
[INFO] [stderr]   18:     0x6056b05b2681 - rustdoc[7f40747ea455e46f]::html::render::write_shared::write_shared
[INFO] [stderr]   19:     0x6056b04be2b0 - <rustdoc[7f40747ea455e46f]::html::render::context::Context>::init
[INFO] [stderr]   20:     0x6056b042d23f - rustdoc[7f40747ea455e46f]::main_args::{closure#2}::{closure#0}
[INFO] [stderr]   21:     0x6056b0421100 - rustc_interface[7c235db06cadd779]::interface::run_compiler::<(), rustdoc[7f40747ea455e46f]::main_args::{closure#2}>::{closure#1}
[INFO] [stderr]   22:     0x6056b035a078 - 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]   23:     0x6056b0453df7 - <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]   24:     0x7c68ef81dbac - <std[6281e874092a0dfc]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stderr]   25:     0x7c68e928aaa4 - <unknown>
[INFO] [stderr]   26:     0x7c68e9317a64 - clone
[INFO] [stderr]   27:                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-2026-02-07T21_36_15-680.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 `mpir`
[INFO] running `Command { std: "docker" "inspect" "45d749dd91fc96cf7cd0979ff3a0d26ff38725696c5af8b1121ee97839ff515e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45d749dd91fc96cf7cd0979ff3a0d26ff38725696c5af8b1121ee97839ff515e", kill_on_drop: false }`
[INFO] [stdout] 45d749dd91fc96cf7cd0979ff3a0d26ff38725696c5af8b1121ee97839ff515e