[INFO] fetching crate quad-rs 0.2.3... [INFO] documenting quad-rs-0.2.3 against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918-2 [INFO] extracting crate quad-rs 0.2.3 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate quad-rs 0.2.3 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate quad-rs 0.2.3 [INFO] tweaked toml for crates.io crate quad-rs 0.2.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate quad-rs 0.2.3 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 67 packages to latest compatible versions [INFO] [stderr] Adding argmin-math v0.3.0 (available: v0.5.1) [INFO] [stderr] Adding nalgebra v0.33.2 (available: v0.34.1) [INFO] [stderr] Adding ndarray v0.15.6 (available: v0.17.2) [INFO] [stderr] Adding ndarray-stats v0.5.1 (available: v0.7.0) [INFO] [stderr] Adding ordered-float v2.10.1 (available: v5.1.0) [INFO] [stderr] Adding rand v0.8.5 (available: v0.10.0) [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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1ec24075b57f0ef0c821a2847ed9e4570d26c26682c027c242ab4f374175f0f8 [INFO] running `Command { std: "docker" "start" "-a" "1ec24075b57f0ef0c821a2847ed9e4570d26c26682c027c242ab4f374175f0f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1ec24075b57f0ef0c821a2847ed9e4570d26c26682c027c242ab4f374175f0f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ec24075b57f0ef0c821a2847ed9e4570d26c26682c027c242ab4f374175f0f8", kill_on_drop: false }` [INFO] [stdout] 1ec24075b57f0ef0c821a2847ed9e4570d26c26682c027c242ab4f374175f0f8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 0e5881717ec93802c98da8d59317ff9ea988a0717752037a0d7337f72827c4f2 [INFO] running `Command { std: "docker" "start" "-a" "0e5881717ec93802c98da8d59317ff9ea988a0717752037a0d7337f72827c4f2", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.106 [INFO] [stderr] Compiling unicode-ident v1.0.23 [INFO] [stderr] Compiling quote v1.0.44 [INFO] [stderr] Compiling libc v0.2.181 [INFO] [stderr] Compiling zerocopy v0.8.39 [INFO] [stderr] Checking bytemuck v1.25.0 [INFO] [stderr] Compiling anyhow v1.0.101 [INFO] [stderr] Compiling matrixmultiply v0.3.10 [INFO] [stderr] Checking tracing-core v0.1.36 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Compiling thiserror v2.0.18 [INFO] [stderr] Checking either v1.15.0 [INFO] [stderr] Checking web-time v1.1.0 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.4.6 [INFO] [stderr] Checking approx v0.5.1 [INFO] [stderr] Checking ordered-float v2.10.1 [INFO] [stderr] Checking safe_arch v0.7.4 [INFO] [stderr] Checking rayon v1.11.0 [INFO] [stderr] Checking wide v0.7.33 [INFO] [stderr] Checking num-rational v0.4.2 [INFO] [stderr] Compiling syn v2.0.114 [INFO] [stderr] Checking getrandom v0.2.17 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking simba v0.9.1 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling tracing-attributes v0.1.31 [INFO] [stderr] Compiling thiserror-impl v2.0.18 [INFO] [stderr] Compiling nalgebra-macros v0.2.2 [INFO] [stderr] Checking thiserror v1.0.69 [INFO] [stderr] Checking ppv-lite86 v0.2.21 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking tracing v0.1.44 [INFO] [stderr] Checking argmin-math v0.3.0 [INFO] [stderr] Checking nalgebra v0.33.2 [INFO] [stderr] Checking serde v1.0.228 [INFO] [stderr] Checking trellis-runner v0.1.6 [INFO] [stderr] Documenting quad-rs v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: this URL is not a hyperlink [INFO] [stdout] --> src/core/poly.rs:50:33 [INFO] [stdout] | [INFO] [stdout] 50 | * This uses the results of https://www.jstor.org/stable/2006272, particularly [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: bare URLs are not automatically turned into clickable links [INFO] [stdout] = note: `#[warn(rustdoc::bare_urls)]` on by default [INFO] [stdout] help: use an automatic link instead [INFO] [stdout] | [INFO] [stdout] 50 | * This uses the results of , particularly [INFO] [stdout] | + + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this URL is not a hyperlink [INFO] [stdout] --> src/core/poly.rs:251:12 [INFO] [stdout] | [INFO] [stdout] 251 | * See https://scicomp.stackexchange.com/questions/27865/clenshaw-type-recurrence-for-derivative-of-chebyshev-series [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: bare URLs are not automatically turned into clickable links [INFO] [stdout] help: use an automatic link instead [INFO] [stdout] | [INFO] [stdout] 251 | * See [INFO] [stdout] | + + [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [INFO] [stderr] thread 'rustc' (666) panicked at src/librustdoc/html/markdown.rs:534:22: [INFO] [stderr] a production-ready version of this should handle the error somehow: LatexError(7, UnknownCommand("f")) [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x735008c46d9b - <::print::DisplayBacktrace as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 1: 0x73500920ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 2: 0x735008c5dc36 - ::write_fmt [INFO] [stderr] 3: 0x735008c1ce48 - std[6281e874092a0dfc]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x735008c3a163 - std[6281e874092a0dfc]::panicking::default_hook [INFO] [stderr] 5: 0x735007c0ff8d - std[6281e874092a0dfc]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x735008c3a442 - std[6281e874092a0dfc]::panicking::panic_with_hook [INFO] [stderr] 7: 0x735008c1cf08 - std[6281e874092a0dfc]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x735008c11479 - std[6281e874092a0dfc]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x735008c1e96d - __rustc[670611b3f56fc7d7]::rust_begin_unwind [INFO] [stderr] 10: 0x7350058ce58c - core[37ab4a9f28f6fd13]::panicking::panic_fmt [INFO] [stderr] 11: 0x735005588b72 - core[37ab4a9f28f6fd13]::result::unwrap_failed [INFO] [stderr] 12: 0x6322794e751e - ::into_iter::{closure#0}>>>>, ::into_iter::{closure#1}::{closure#0}>>> as core[37ab4a9f28f6fd13]::iter::traits::iterator::Iterator>::next [INFO] [stderr] 13: 0x63227947dc16 - ::into_iter::{closure#0}>>>>, ::into_iter::{closure#1}::{closure#0}>>>> as core[37ab4a9f28f6fd13]::iter::traits::iterator::Iterator>::next [INFO] [stderr] 14: 0x6322792e3493 - ::into_iter::{closure#0}>>>>, ::into_iter::{closure#1}::{closure#0}>>>>, pulldown_cmark_escape[cb8658d251f4e39e]::FmtWriter<&mut core[37ab4a9f28f6fd13]::fmt::Formatter>>>::run [INFO] [stderr] 15: 0x632279132b80 - ::write_into::<&mut core[37ab4a9f28f6fd13]::fmt::Formatter> [INFO] [stderr] 16: 0x6322794d6521 - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 17: 0x73500920ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 18: 0x6322794d75da - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 19: 0x632279134657 - rustdoc[7f40747ea455e46f]::html::render::render_impl::{closure#0}::doc_impl_item::<&mut alloc[56313f94ec8c6695]::string::String, &mut alloc[56313f94ec8c6695]::string::String> [INFO] [stderr] 20: 0x6322794d548c - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 21: 0x6322793e8bab - rustdoc[7f40747ea455e46f]::html::render::render_assoc_items_inner [INFO] [stderr] 22: 0x6322794d7304 - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 23: 0x73500920ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 24: 0x6322790f994f - ::render_into:: [INFO] [stderr] 25: 0x6322794dbab0 - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 26: 0x73500920ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 27: 0x6322791cec0a - rustdoc[7f40747ea455e46f]::html::layout::render::, core[37ab4a9f28f6fd13]::fmt::builders::FromFn<::render_item::{closure#1}>> [INFO] [stderr] 28: 0x632279322b85 - ::render_item [INFO] [stderr] 29: 0x6322794bda5e - ::item [INFO] [stderr] 30: 0x6322791d7adc - rustdoc[7f40747ea455e46f]::formats::renderer::run_format_inner:: [INFO] [stderr] 31: 0x6322791d7c8f - rustdoc[7f40747ea455e46f]::formats::renderer::run_format_inner:: [INFO] [stderr] 32: 0x6322791d7c8f - rustdoc[7f40747ea455e46f]::formats::renderer::run_format_inner:: [INFO] [stderr] 33: 0x6322792a039f - rustdoc[7f40747ea455e46f]::main_args::{closure#2}::{closure#0} [INFO] [stderr] 34: 0x632279294100 - rustc_interface[7c235db06cadd779]::interface::run_compiler::<(), rustdoc[7f40747ea455e46f]::main_args::{closure#2}>::{closure#1} [INFO] [stderr] 35: 0x6322791cd078 - std[6281e874092a0dfc]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 36: 0x6322792c6df7 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[37ab4a9f28f6fd13]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 37: 0x73500a41dbac - ::new::thread_start [INFO] [stderr] 38: 0x735003e8aaa4 - [INFO] [stderr] 39: 0x735003f17a64 - clone [INFO] [stderr] 40: 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-2026-02-09T21_35_22-665.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 `quad-rs` [INFO] running `Command { std: "docker" "inspect" "0e5881717ec93802c98da8d59317ff9ea988a0717752037a0d7337f72827c4f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e5881717ec93802c98da8d59317ff9ea988a0717752037a0d7337f72827c4f2", kill_on_drop: false }` [INFO] [stdout] 0e5881717ec93802c98da8d59317ff9ea988a0717752037a0d7337f72827c4f2