[INFO] fetching crate fenris-solid 0.0.33... [INFO] documenting fenris-solid-0.0.33 against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918 [INFO] extracting crate fenris-solid 0.0.33 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate fenris-solid 0.0.33 [INFO] finished tweaking crates.io crate fenris-solid 0.0.33 [INFO] tweaked toml for crates.io crate fenris-solid 0.0.33 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate fenris-solid 0.0.33 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] Updating crates.io index [INFO] [stderr] Locking 136 packages to latest compatible versions [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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8390601d3a0a16c90666bef71addae185b7e5226c82af12d7cbe50f993524cd5 [INFO] running `Command { std: "docker" "start" "-a" "8390601d3a0a16c90666bef71addae185b7e5226c82af12d7cbe50f993524cd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8390601d3a0a16c90666bef71addae185b7e5226c82af12d7cbe50f993524cd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8390601d3a0a16c90666bef71addae185b7e5226c82af12d7cbe50f993524cd5", kill_on_drop: false }` [INFO] [stdout] 8390601d3a0a16c90666bef71addae185b7e5226c82af12d7cbe50f993524cd5 [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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7e34efb698e5acdd1e5bd823680ad3ad0ac08a20418243e86ea59de307ce7507 [INFO] running `Command { std: "docker" "start" "-a" "7e34efb698e5acdd1e5bd823680ad3ad0ac08a20418243e86ea59de307ce7507", kill_on_drop: false }` [INFO] [stderr] Compiling libm v0.2.16 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling libc v0.2.180 [INFO] [stderr] Checking bytemuck v1.25.0 [INFO] [stderr] Compiling matrixmultiply v0.3.10 [INFO] [stderr] Compiling syn v2.0.114 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking matrixcompare-core v0.1.0 [INFO] [stderr] Checking either v1.15.0 [INFO] [stderr] Compiling rustix v1.1.3 [INFO] [stderr] Checking safe_arch v0.7.4 [INFO] [stderr] Compiling num-bigint v0.3.3 [INFO] [stderr] Compiling lzma-sys v0.1.20 [INFO] [stderr] Checking wide v0.7.33 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling lexical-core v0.7.6 [INFO] [stderr] Checking memchr v2.8.0 [INFO] [stderr] Compiling nom v5.1.3 [INFO] [stderr] Checking ppv-lite86 v0.2.21 [INFO] [stderr] Compiling heapless v0.7.17 [INFO] [stderr] Checking bit-vec v0.8.0 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Compiling polyquad-parse v0.1.0 [INFO] [stderr] Checking getrandom v0.3.4 [INFO] [stderr] Checking wait-timeout v0.2.1 [INFO] [stderr] Checking rand_core v0.9.5 [INFO] [stderr] Compiling fenris-quadrature v0.0.4 [INFO] [stderr] Checking rand_chacha v0.9.0 [INFO] [stderr] Checking rand v0.9.2 [INFO] [stderr] Checking rand_xorshift v0.4.0 [INFO] [stderr] Checking tempfile v3.24.0 [INFO] [stderr] Checking memchr v1.0.2 [INFO] [stderr] Checking bit-set v0.8.0 [INFO] [stderr] Checking rayon v1.11.0 [INFO] [stderr] Checking rusty-fork v0.3.1 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking approx v0.5.1 [INFO] [stderr] Checking num-complex v0.3.1 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking num-bigint v0.4.6 [INFO] [stderr] Checking num-iter v0.1.45 [INFO] [stderr] Checking hash32 v0.2.1 [INFO] [stderr] Checking unarray v0.1.4 [INFO] [stderr] Checking regex-syntax v0.8.9 [INFO] [stderr] Checking num-rational v0.4.2 [INFO] [stderr] Checking parking_lot_core v0.9.12 [INFO] [stderr] Checking xz2 v0.1.7 [INFO] [stderr] Checking num v0.3.1 [INFO] [stderr] Checking nom v3.2.1 [INFO] [stderr] Checking lz4_flex v0.7.5 [INFO] [stderr] Checking base64 v0.13.1 [INFO] [stderr] Checking parking_lot v0.12.5 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling nalgebra-macros v0.2.2 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Checking rstar v0.10.0 [INFO] [stderr] Checking ordered-float v3.9.2 [INFO] [stderr] Checking proptest v1.10.0 [INFO] [stderr] Checking davenport v0.1.1 [INFO] [stderr] Compiling num-derive v0.3.3 [INFO] [stderr] Compiling numeric_literals v0.2.0 [INFO] [stderr] Checking thiserror v1.0.69 [INFO] [stderr] Checking mshio v0.4.2 [INFO] [stderr] Checking serde v1.0.228 [INFO] [stderr] Checking num-complex v0.4.6 [INFO] [stderr] Checking fenris-nested-vec v0.0.1 [INFO] [stderr] Checking quick-xml v0.22.0 [INFO] [stderr] Checking fenris-paradis v0.0.3 [INFO] [stderr] Checking simba v0.8.1 [INFO] [stderr] Checking num v0.4.3 [INFO] [stderr] Checking vtkio v0.6.3 [INFO] [stderr] Checking nalgebra v0.32.6 [INFO] [stderr] Checking fenris-traits v0.0.2 [INFO] [stderr] Checking nalgebra-sparse v0.9.0 [INFO] [stderr] Checking fenris-optimize v0.0.3 [INFO] [stderr] Checking fenris-geometry v0.0.6 [INFO] [stderr] Checking fenris-sparse v0.0.5 [INFO] [stderr] Checking fenris v0.0.33 [INFO] [stderr] Documenting fenris-solid v0.0.33 (/opt/rustwide/workdir) [INFO] [stderr] [INFO] [stderr] thread 'rustc' (1883) panicked at src/librustdoc/html/markdown.rs:534:22: [INFO] [stderr] a production-ready version of this should handle the error somehow: LatexError(6, UnknownCommand("tr")) [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x788c47046d9b - <::print::DisplayBacktrace as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 1: 0x788c4760ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 2: 0x788c4705dc36 - ::write_fmt [INFO] [stderr] 3: 0x788c4701ce48 - std[6281e874092a0dfc]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x788c4703a163 - std[6281e874092a0dfc]::panicking::default_hook [INFO] [stderr] 5: 0x788c4600ff8d - std[6281e874092a0dfc]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x788c4703a442 - std[6281e874092a0dfc]::panicking::panic_with_hook [INFO] [stderr] 7: 0x788c4701cf08 - std[6281e874092a0dfc]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x788c47011479 - std[6281e874092a0dfc]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x788c4701e96d - __rustc[670611b3f56fc7d7]::rust_begin_unwind [INFO] [stderr] 10: 0x788c43cce58c - core[37ab4a9f28f6fd13]::panicking::panic_fmt [INFO] [stderr] 11: 0x788c43988b72 - core[37ab4a9f28f6fd13]::result::unwrap_failed [INFO] [stderr] 12: 0x5cfb9cc9251e - ::into_iter::{closure#0}>>>>, ::into_iter::{closure#1}::{closure#0}>>> as core[37ab4a9f28f6fd13]::iter::traits::iterator::Iterator>::next [INFO] [stderr] 13: 0x5cfb9cc28c16 - ::into_iter::{closure#0}>>>>, ::into_iter::{closure#1}::{closure#0}>>>> as core[37ab4a9f28f6fd13]::iter::traits::iterator::Iterator>::next [INFO] [stderr] 14: 0x5cfb9ca8e493 - ::into_iter::{closure#0}>>>>, ::into_iter::{closure#1}::{closure#0}>>>>, pulldown_cmark_escape[cb8658d251f4e39e]::FmtWriter<&mut core[37ab4a9f28f6fd13]::fmt::Formatter>>>::run [INFO] [stderr] 15: 0x5cfb9c8ddb80 - ::write_into::<&mut core[37ab4a9f28f6fd13]::fmt::Formatter> [INFO] [stderr] 16: 0x5cfb9cc81521 - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 17: 0x788c4760ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 18: 0x5cfb9cc8255a - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 19: 0x788c4760ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 20: 0x5cfb9cc835a5 - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 21: 0x788c4760ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 22: 0x5cfb9c8a485f - ::render_into:: [INFO] [stderr] 23: 0x5cfb9cc86ab0 - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 24: 0x788c4760ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 25: 0x5cfb9c979c0a - rustdoc[7f40747ea455e46f]::html::layout::render::, core[37ab4a9f28f6fd13]::fmt::builders::FromFn<::render_item::{closure#1}>> [INFO] [stderr] 26: 0x5cfb9cacdb85 - ::render_item [INFO] [stderr] 27: 0x5cfb9cc68a5e - ::item [INFO] [stderr] 28: 0x5cfb9c982adc - rustdoc[7f40747ea455e46f]::formats::renderer::run_format_inner:: [INFO] [stderr] 29: 0x5cfb9c982c8f - rustdoc[7f40747ea455e46f]::formats::renderer::run_format_inner:: [INFO] [stderr] 30: 0x5cfb9c982c8f - rustdoc[7f40747ea455e46f]::formats::renderer::run_format_inner:: [INFO] [stderr] 31: 0x5cfb9ca4b39f - rustdoc[7f40747ea455e46f]::main_args::{closure#2}::{closure#0} [INFO] [stderr] 32: 0x5cfb9ca3f100 - rustc_interface[7c235db06cadd779]::interface::run_compiler::<(), rustdoc[7f40747ea455e46f]::main_args::{closure#2}>::{closure#1} [INFO] [stderr] 33: 0x5cfb9c978078 - std[6281e874092a0dfc]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 34: 0x5cfb9ca71df7 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[37ab4a9f28f6fd13]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 35: 0x788c4881dbac - ::new::thread_start [INFO] [stderr] 36: 0x788c4228aaa4 - [INFO] [stderr] 37: 0x788c42317a64 - clone [INFO] [stderr] 38: 0x0 - [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-2026-02-07T19_43_50-1882.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 `fenris-solid` [INFO] running `Command { std: "docker" "inspect" "7e34efb698e5acdd1e5bd823680ad3ad0ac08a20418243e86ea59de307ce7507", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e34efb698e5acdd1e5bd823680ad3ad0ac08a20418243e86ea59de307ce7507", kill_on_drop: false }` [INFO] [stdout] 7e34efb698e5acdd1e5bd823680ad3ad0ac08a20418243e86ea59de307ce7507