[INFO] fetching crate katexit-example-nightly 0.1.4... [INFO] documenting katexit-example-nightly-0.1.4 against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918 [INFO] extracting crate katexit-example-nightly 0.1.4 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate katexit-example-nightly 0.1.4 [INFO] finished tweaking crates.io crate katexit-example-nightly 0.1.4 [INFO] tweaked toml for crates.io crate katexit-example-nightly 0.1.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate katexit-example-nightly 0.1.4 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 5 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 373783486a1a948aa735686f15cd02d1d8f77ddb175decb004572b7d85ace1a8 [INFO] running `Command { std: "docker" "start" "-a" "373783486a1a948aa735686f15cd02d1d8f77ddb175decb004572b7d85ace1a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "373783486a1a948aa735686f15cd02d1d8f77ddb175decb004572b7d85ace1a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "373783486a1a948aa735686f15cd02d1d8f77ddb175decb004572b7d85ace1a8", kill_on_drop: false }` [INFO] [stdout] 373783486a1a948aa735686f15cd02d1d8f77ddb175decb004572b7d85ace1a8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 8f3f8a7967bf3e22eea6c093f6c7badb4e469c29b5e3782cbea6778c14542358 [INFO] running `Command { std: "docker" "start" "-a" "8f3f8a7967bf3e22eea6c093f6c7badb4e469c29b5e3782cbea6778c14542358", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.114 [INFO] [stderr] Compiling katexit v0.1.5 [INFO] [stderr] Documenting katexit-example-nightly v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `prelude_import` is internal to the compiler or standard library [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(prelude_import, custom_inner_attributes)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: using it is strongly discouraged [INFO] [stdout] = note: `#[warn(internal_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [INFO] [stderr] thread 'rustc' (60) panicked at src/librustdoc/html/markdown.rs:534:22: [INFO] [stderr] a production-ready version of this should handle the error somehow: LatexError(0, UnknownCommand("KaTeX")) [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x70e007446d9b - <::print::DisplayBacktrace as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 1: 0x70e007a0ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 2: 0x70e00745dc36 - ::write_fmt [INFO] [stderr] 3: 0x70e00741ce48 - std[6281e874092a0dfc]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x70e00743a163 - std[6281e874092a0dfc]::panicking::default_hook [INFO] [stderr] 5: 0x70e00640ff8d - std[6281e874092a0dfc]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x70e00743a442 - std[6281e874092a0dfc]::panicking::panic_with_hook [INFO] [stderr] 7: 0x70e00741cf08 - std[6281e874092a0dfc]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x70e007411479 - std[6281e874092a0dfc]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x70e00741e96d - __rustc[670611b3f56fc7d7]::rust_begin_unwind [INFO] [stderr] 10: 0x70e0040ce58c - core[37ab4a9f28f6fd13]::panicking::panic_fmt [INFO] [stderr] 11: 0x70e003d88b72 - core[37ab4a9f28f6fd13]::result::unwrap_failed [INFO] [stderr] 12: 0x61002be9751e - ::into_iter::{closure#0}>>>>, ::into_iter::{closure#1}::{closure#0}>>> as core[37ab4a9f28f6fd13]::iter::traits::iterator::Iterator>::next [INFO] [stderr] 13: 0x61002be2dc16 - ::into_iter::{closure#0}>>>>, ::into_iter::{closure#1}::{closure#0}>>>> as core[37ab4a9f28f6fd13]::iter::traits::iterator::Iterator>::next [INFO] [stderr] 14: 0x61002bc93493 - ::into_iter::{closure#0}>>>>, ::into_iter::{closure#1}::{closure#0}>>>>, pulldown_cmark_escape[cb8658d251f4e39e]::FmtWriter<&mut core[37ab4a9f28f6fd13]::fmt::Formatter>>>::run [INFO] [stderr] 15: 0x61002bae2b80 - ::write_into::<&mut core[37ab4a9f28f6fd13]::fmt::Formatter> [INFO] [stderr] 16: 0x61002be86521 - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 17: 0x70e007a0ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 18: 0x61002be8755a - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 19: 0x70e007a0ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 20: 0x61002be885a5 - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 21: 0x70e007a0ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 22: 0x61002be89424 - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 23: 0x70e007a0ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 24: 0x61002bb7ee0c - rustdoc[7f40747ea455e46f]::html::layout::render::, core[37ab4a9f28f6fd13]::fmt::builders::FromFn<::render_item::{closure#1}>> [INFO] [stderr] 25: 0x61002bcd2b85 - ::render_item [INFO] [stderr] 26: 0x61002be6b108 - ::mod_item_in [INFO] [stderr] 27: 0x61002bb87c1b - rustdoc[7f40747ea455e46f]::formats::renderer::run_format_inner:: [INFO] [stderr] 28: 0x61002bc5039f - rustdoc[7f40747ea455e46f]::main_args::{closure#2}::{closure#0} [INFO] [stderr] 29: 0x61002bc44100 - rustc_interface[7c235db06cadd779]::interface::run_compiler::<(), rustdoc[7f40747ea455e46f]::main_args::{closure#2}>::{closure#1} [INFO] [stderr] 30: 0x61002bb7d078 - std[6281e874092a0dfc]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 31: 0x61002bc76df7 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[37ab4a9f28f6fd13]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 32: 0x70e008c1dbac - ::new::thread_start [INFO] [stderr] 33: 0x70e002635aa4 - [INFO] [stderr] 34: 0x70e0026c2a64 - clone [INFO] [stderr] 35: 0x0 - [INFO] [stderr] [INFO] [stderr] error: the compiler unexpectedly panicked. this is a bug. [INFO] [stderr] [INFO] [stderr] note: using internal features is not supported and expected to cause internal compiler errors when used incorrectly [INFO] [stderr] [INFO] [stderr] warning: the ICE couldn't be written to `/opt/rustwide/workdir/rustc-ice-2026-02-07T21_03_02-59.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 `katexit-example-nightly` [INFO] running `Command { std: "docker" "inspect" "8f3f8a7967bf3e22eea6c093f6c7badb4e469c29b5e3782cbea6778c14542358", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f3f8a7967bf3e22eea6c093f6c7badb4e469c29b5e3782cbea6778c14542358", kill_on_drop: false }` [INFO] [stdout] 8f3f8a7967bf3e22eea6c093f6c7badb4e469c29b5e3782cbea6778c14542358