[INFO] fetching crate einsum-codegen 0.1.0... [INFO] documenting einsum-codegen-0.1.0 against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918 [INFO] extracting crate einsum-codegen 0.1.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate einsum-codegen 0.1.0 [INFO] finished tweaking crates.io crate einsum-codegen 0.1.0 [INFO] tweaked toml for crates.io crate einsum-codegen 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate einsum-codegen 0.1.0 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 47 packages to latest compatible versions [INFO] [stderr] Adding ndarray v0.15.6 (available: v0.17.2) [INFO] [stderr] Adding nom v7.1.3 (available: v8.0.0) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.114) [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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 152bb9c6aca615ae4fc4c4bc53a3e129bf452a0ba56d66f6e4f7383db708de9e [INFO] running `Command { std: "docker" "start" "-a" "152bb9c6aca615ae4fc4c4bc53a3e129bf452a0ba56d66f6e4f7383db708de9e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "152bb9c6aca615ae4fc4c4bc53a3e129bf452a0ba56d66f6e4f7383db708de9e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "152bb9c6aca615ae4fc4c4bc53a3e129bf452a0ba56d66f6e4f7383db708de9e", kill_on_drop: false }` [INFO] [stdout] 152bb9c6aca615ae4fc4c4bc53a3e129bf452a0ba56d66f6e4f7383db708de9e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] dbe30b99bffb5c5459db1ccad6cefda644b0f319f728a5ef2ef779e867b10c18 [INFO] running `Command { std: "docker" "start" "-a" "dbe30b99bffb5c5459db1ccad6cefda644b0f319f728a5ef2ef779e867b10c18", kill_on_drop: false }` [INFO] [stderr] Checking memchr v2.8.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling katexit v0.1.5 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Documenting einsum-codegen v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `prelude_import` is internal to the compiler or standard library [INFO] [stdout] --> src/lib.rs:3:13 [INFO] [stdout] | [INFO] [stdout] 3 | feature(prelude_import, custom_inner_attributes, proc_macro_hygiene) [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' (72) panicked at src/librustdoc/html/markdown.rs:534:22: [INFO] [stderr] a production-ready version of this should handle the error somehow: LatexError(2, MacroParameterOutsideCustomCommand) [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7fc4e5a46d9b - <::print::DisplayBacktrace as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 1: 0x7fc4e600ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 2: 0x7fc4e5a5dc36 - ::write_fmt [INFO] [stderr] 3: 0x7fc4e5a1ce48 - std[6281e874092a0dfc]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x7fc4e5a3a163 - std[6281e874092a0dfc]::panicking::default_hook [INFO] [stderr] 5: 0x7fc4e4a0ff8d - std[6281e874092a0dfc]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x7fc4e5a3a442 - std[6281e874092a0dfc]::panicking::panic_with_hook [INFO] [stderr] 7: 0x7fc4e5a1cf08 - std[6281e874092a0dfc]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x7fc4e5a11479 - std[6281e874092a0dfc]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x7fc4e5a1e96d - __rustc[670611b3f56fc7d7]::rust_begin_unwind [INFO] [stderr] 10: 0x7fc4e26ce58c - core[37ab4a9f28f6fd13]::panicking::panic_fmt [INFO] [stderr] 11: 0x7fc4e2388b72 - core[37ab4a9f28f6fd13]::result::unwrap_failed [INFO] [stderr] 12: 0x64ffe8e7651e - ::into_iter::{closure#0}>>>>, ::into_iter::{closure#1}::{closure#0}>>> as core[37ab4a9f28f6fd13]::iter::traits::iterator::Iterator>::next [INFO] [stderr] 13: 0x64ffe8e0cc16 - ::into_iter::{closure#0}>>>>, ::into_iter::{closure#1}::{closure#0}>>>> as core[37ab4a9f28f6fd13]::iter::traits::iterator::Iterator>::next [INFO] [stderr] 14: 0x64ffe8c72493 - ::into_iter::{closure#0}>>>>, ::into_iter::{closure#1}::{closure#0}>>>>, pulldown_cmark_escape[cb8658d251f4e39e]::FmtWriter<&mut core[37ab4a9f28f6fd13]::fmt::Formatter>>>::run [INFO] [stderr] 15: 0x64ffe8ac1b80 - ::write_into::<&mut core[37ab4a9f28f6fd13]::fmt::Formatter> [INFO] [stderr] 16: 0x64ffe8e65521 - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 17: 0x7fc4e600ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 18: 0x64ffe8e6655a - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 19: 0x7fc4e600ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 20: 0x64ffe8e675a5 - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 21: 0x7fc4e600ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 22: 0x64ffe8e68424 - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 23: 0x7fc4e600ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 24: 0x64ffe8b5de0c - rustdoc[7f40747ea455e46f]::html::layout::render::, core[37ab4a9f28f6fd13]::fmt::builders::FromFn<::render_item::{closure#1}>> [INFO] [stderr] 25: 0x64ffe8cb1b85 - ::render_item [INFO] [stderr] 26: 0x64ffe8e4a108 - ::mod_item_in [INFO] [stderr] 27: 0x64ffe8b66c1b - rustdoc[7f40747ea455e46f]::formats::renderer::run_format_inner:: [INFO] [stderr] 28: 0x64ffe8c2f39f - rustdoc[7f40747ea455e46f]::main_args::{closure#2}::{closure#0} [INFO] [stderr] 29: 0x64ffe8c23100 - rustc_interface[7c235db06cadd779]::interface::run_compiler::<(), rustdoc[7f40747ea455e46f]::main_args::{closure#2}>::{closure#1} [INFO] [stderr] 30: 0x64ffe8b5c078 - std[6281e874092a0dfc]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 31: 0x64ffe8c55df7 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[37ab4a9f28f6fd13]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 32: 0x7fc4e721dbac - ::new::thread_start [INFO] [stderr] 33: 0x7fc4e0c8aaa4 - [INFO] [stderr] 34: 0x7fc4e0d17a64 - 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-2026-02-07T19_30_00-71.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 `einsum-codegen` [INFO] running `Command { std: "docker" "inspect" "dbe30b99bffb5c5459db1ccad6cefda644b0f319f728a5ef2ef779e867b10c18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dbe30b99bffb5c5459db1ccad6cefda644b0f319f728a5ef2ef779e867b10c18", kill_on_drop: false }` [INFO] [stdout] dbe30b99bffb5c5459db1ccad6cefda644b0f319f728a5ef2ef779e867b10c18