[INFO] fetching crate voile 0.2.6... [INFO] documenting voile-0.2.6 against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918 [INFO] extracting crate voile 0.2.6 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate voile 0.2.6 [INFO] finished tweaking crates.io crate voile 0.2.6 [INFO] tweaked toml for crates.io crate voile 0.2.6 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate voile 0.2.6 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] crate crates.io crate voile 0.2.6 already has a lockfile, it will not be regenerated [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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 28b92a1147bcca5d7edaff08790d4b75279b8b1cbbab9e408e08ec616f2c7483 [INFO] running `Command { std: "docker" "start" "-a" "28b92a1147bcca5d7edaff08790d4b75279b8b1cbbab9e408e08ec616f2c7483", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "28b92a1147bcca5d7edaff08790d4b75279b8b1cbbab9e408e08ec616f2c7483", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28b92a1147bcca5d7edaff08790d4b75279b8b1cbbab9e408e08ec616f2c7483", kill_on_drop: false }` [INFO] [stdout] 28b92a1147bcca5d7edaff08790d4b75279b8b1cbbab9e408e08ec616f2c7483 [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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ad228a79b7720cfd9cc3fd49c752dc3d16cdfeca84863256a2b0371c68037e27 [INFO] running `Command { std: "docker" "start" "-a" "ad228a79b7720cfd9cc3fd49c752dc3d16cdfeca84863256a2b0371c68037e27", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.21 [INFO] [stderr] Compiling libc v0.2.77 [INFO] [stderr] Compiling syn v1.0.41 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking utf8parse v0.2.0 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling pest_meta v2.1.3 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs-sys-next v0.1.0 [INFO] [stderr] Checking dirs-sys v0.3.5 [INFO] [stderr] Checking nix v0.18.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking dirs-next v1.0.1 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Compiling structopt-derive v0.4.10 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Checking voile-util v0.2.2 [INFO] [stderr] Checking rustyline v6.3.0 [INFO] [stderr] Checking structopt v0.3.17 [INFO] [stderr] Checking minitt-util v0.2.4 [INFO] [stderr] Documenting voile v0.2.6 (/opt/rustwide/workdir) [INFO] [stderr] Checking voile v0.2.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `self::ast_cons::*` [INFO] [stdout] --> src/syntax/core/mod.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub use self::ast_cons::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::pretty::*` [INFO] [stdout] --> src/syntax/core/mod.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub use self::pretty::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::pretty::*` [INFO] [stdout] --> src/syntax/abs/mod.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | pub use self::pretty::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::expr::*` [INFO] [stdout] --> src/check/mod.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | pub use self::expr::*; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::unify::*` [INFO] [stdout] --> src/check/mod.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub use self::unify::*; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unresolved link to `reduce_with_dbi` [INFO] [stdout] --> src/syntax/core/redex.rs:13:46 [INFO] [stdout] | [INFO] [stdout] 13 | /// prefer this over [`reduce_with_dbi`](reduce_with_dbi). [INFO] [stdout] | ^^^^^^^^^^^^^^^ no item named `reduce_with_dbi` in scope [INFO] [stdout] | [INFO] [stdout] = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]` [INFO] [stdout] = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: redundant explicit link target [INFO] [stdout] --> src/syntax/core/neut_iter.rs:4:29 [INFO] [stdout] | [INFO] [stdout] 4 | /// Map all [`Neutral`](self::Neutral) values in this expression. [INFO] [stdout] | --------- ^^^^^^^^^^^^^ explicit target is redundant [INFO] [stdout] | | [INFO] [stdout] | because label contains path that resolves to same destination [INFO] [stdout] | [INFO] [stdout] = note: when a link's destination is not specified, [INFO] [stdout] the label is used to resolve intra-doc links [INFO] [stdout] = note: `#[warn(rustdoc::redundant_explicit_links)]` on by default [INFO] [stdout] help: remove explicit link target [INFO] [stdout] | [INFO] [stdout] 4 - /// Map all [`Neutral`](self::Neutral) values in this expression. [INFO] [stdout] 4 + /// Map all [`Neutral`] values in this expression. [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: redundant explicit link target [INFO] [stdout] --> src/syntax/core/neut_iter.rs:7:30 [INFO] [stdout] | [INFO] [stdout] 7 | /// Fold all [`Neutral`](self::Neutral) values in this expression. [INFO] [stdout] | --------- ^^^^^^^^^^^^^ explicit target is redundant [INFO] [stdout] | | [INFO] [stdout] | because label contains path that resolves to same destination [INFO] [stdout] | [INFO] [stdout] = note: when a link's destination is not specified, [INFO] [stdout] the label is used to resolve intra-doc links [INFO] [stdout] help: remove explicit link target [INFO] [stdout] | [INFO] [stdout] 7 - /// Fold all [`Neutral`](self::Neutral) values in this expression. [INFO] [stdout] 7 + /// Fold all [`Neutral`] values in this expression. [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: redundant explicit link target [INFO] [stdout] --> src/syntax/core/neut_iter.rs:14:34 [INFO] [stdout] | [INFO] [stdout] 14 | /// Traverse all [`Neutral`](self::Neutral) values the AST in a stateful manner. [INFO] [stdout] | --------- ^^^^^^^^^^^^^ explicit target is redundant [INFO] [stdout] | | [INFO] [stdout] | because label contains path that resolves to same destination [INFO] [stdout] | [INFO] [stdout] = note: when a link's destination is not specified, [INFO] [stdout] the label is used to resolve intra-doc links [INFO] [stdout] help: remove explicit link target [INFO] [stdout] | [INFO] [stdout] 14 - /// Traverse all [`Neutral`](self::Neutral) values the AST in a stateful manner. [INFO] [stdout] 14 + /// Traverse all [`Neutral`] values the AST in a stateful manner. [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: redundant explicit link target [INFO] [stdout] --> src/syntax/core/neut_iter.rs:20:61 [INFO] [stdout] | [INFO] [stdout] 20 | /// Traverse through the AST and change all [`Neutral`](self::Neutral) values. [INFO] [stdout] | --------- ^^^^^^^^^^^^^ explicit target is redundant [INFO] [stdout] | | [INFO] [stdout] | because label contains path that resolves to same destination [INFO] [stdout] | [INFO] [stdout] = note: when a link's destination is not specified, [INFO] [stdout] the label is used to resolve intra-doc links [INFO] [stdout] help: remove explicit link target [INFO] [stdout] | [INFO] [stdout] 20 - /// Traverse through the AST and change all [`Neutral`](self::Neutral) values. [INFO] [stdout] 20 + /// Traverse through the AST and change all [`Neutral`] values. [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [INFO] [stderr] thread 'rustc' (562) panicked at src/librustdoc/html/markdown.rs:541:22: [INFO] [stderr] a production-ready version of this should handle the error somehow: LatexError(1, UnknownCommand("newcommand")) [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x79c300246d9b - <::print::DisplayBacktrace as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 1: 0x79c30080ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 2: 0x79c30025dc36 - ::write_fmt [INFO] [stderr] 3: 0x79c30021ce48 - std[6281e874092a0dfc]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x79c30023a163 - std[6281e874092a0dfc]::panicking::default_hook [INFO] [stderr] 5: 0x79c2ff20ff8d - std[6281e874092a0dfc]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x79c30023a442 - std[6281e874092a0dfc]::panicking::panic_with_hook [INFO] [stderr] 7: 0x79c30021cf08 - std[6281e874092a0dfc]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x79c300211479 - std[6281e874092a0dfc]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x79c30021e96d - __rustc[670611b3f56fc7d7]::rust_begin_unwind [INFO] [stderr] 10: 0x79c2fcece58c - core[37ab4a9f28f6fd13]::panicking::panic_fmt [INFO] [stderr] 11: 0x79c2fcb88b72 - core[37ab4a9f28f6fd13]::result::unwrap_failed [INFO] [stderr] 12: 0x586e9c0d34e7 - ::into_iter::{closure#0}>>>>, ::into_iter::{closure#1}::{closure#0}>>> as core[37ab4a9f28f6fd13]::iter::traits::iterator::Iterator>::next [INFO] [stderr] 13: 0x586e9c069c16 - ::into_iter::{closure#0}>>>>, ::into_iter::{closure#1}::{closure#0}>>>> as core[37ab4a9f28f6fd13]::iter::traits::iterator::Iterator>::next [INFO] [stderr] 14: 0x586e9becf493 - ::into_iter::{closure#0}>>>>, ::into_iter::{closure#1}::{closure#0}>>>>, pulldown_cmark_escape[cb8658d251f4e39e]::FmtWriter<&mut core[37ab4a9f28f6fd13]::fmt::Formatter>>>::run [INFO] [stderr] 15: 0x586e9bd1eb80 - ::write_into::<&mut core[37ab4a9f28f6fd13]::fmt::Formatter> [INFO] [stderr] 16: 0x586e9c0c2521 - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 17: 0x79c30080ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 18: 0x586e9c0c355a - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 19: 0x79c30080ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 20: 0x586e9c0c45a5 - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 21: 0x79c30080ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 22: 0x586e9c0c5424 - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 23: 0x79c30080ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 24: 0x586e9bdbae0c - rustdoc[7f40747ea455e46f]::html::layout::render::, core[37ab4a9f28f6fd13]::fmt::builders::FromFn<::render_item::{closure#1}>> [INFO] [stderr] 25: 0x586e9bf0eb85 - ::render_item [INFO] [stderr] 26: 0x586e9c0a7108 - ::mod_item_in [INFO] [stderr] 27: 0x586e9bdc3c1b - rustdoc[7f40747ea455e46f]::formats::renderer::run_format_inner:: [INFO] [stderr] 28: 0x586e9be8c39f - rustdoc[7f40747ea455e46f]::main_args::{closure#2}::{closure#0} [INFO] [stderr] 29: 0x586e9be80100 - rustc_interface[7c235db06cadd779]::interface::run_compiler::<(), rustdoc[7f40747ea455e46f]::main_args::{closure#2}>::{closure#1} [INFO] [stderr] 30: 0x586e9bdb9078 - std[6281e874092a0dfc]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 31: 0x586e9beb2df7 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[37ab4a9f28f6fd13]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 32: 0x79c301a1dbac - ::new::thread_start [INFO] [stderr] 33: 0x79c2fb48aaa4 - [INFO] [stderr] 34: 0x79c2fb517a64 - clone [INFO] [stderr] 35: 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-2026-02-08T00_43_03-558.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 `voile` [INFO] running `Command { std: "docker" "inspect" "ad228a79b7720cfd9cc3fd49c752dc3d16cdfeca84863256a2b0371c68037e27", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad228a79b7720cfd9cc3fd49c752dc3d16cdfeca84863256a2b0371c68037e27", kill_on_drop: false }` [INFO] [stdout] ad228a79b7720cfd9cc3fd49c752dc3d16cdfeca84863256a2b0371c68037e27