[INFO] fetching crate voile 0.2.6...
[INFO] documenting voile-0.2.6 against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918-2
[INFO] extracting crate voile 0.2.6 into /workspace/builds/worker-6-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-6-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 701cc840eb78af7d8dd011bd26099ee32fa962af8befe05f37bc441f4b581f58
[INFO] running `Command { std: "docker" "start" "-a" "701cc840eb78af7d8dd011bd26099ee32fa962af8befe05f37bc441f4b581f58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "701cc840eb78af7d8dd011bd26099ee32fa962af8befe05f37bc441f4b581f58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "701cc840eb78af7d8dd011bd26099ee32fa962af8befe05f37bc441f4b581f58", kill_on_drop: false }`
[INFO] [stdout] 701cc840eb78af7d8dd011bd26099ee32fa962af8befe05f37bc441f4b581f58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c68faf475c89d7913b12fbfae73290a3fc345c43ce342269938e358ddd7a74ef
[INFO] running `Command { std: "docker" "start" "-a" "c68faf475c89d7913b12fbfae73290a3fc345c43ce342269938e358ddd7a74ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking dirs-sys-next v0.1.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking dirs-next v1.0.1
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking rustyline v6.3.0
[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 structopt v0.3.17
[INFO] [stderr]     Checking minitt-util v0.2.4
[INFO] [stderr]     Checking voile v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting 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' (577) 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:     0x733a2ba46d9b - <<std[6281e874092a0dfc]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[37ab4a9f28f6fd13]::fmt::Display>::fmt
[INFO] [stderr]    1:     0x733a2c00ef88 - core[37ab4a9f28f6fd13]::fmt::write
[INFO] [stderr]    2:     0x733a2ba5dc36 - <std[6281e874092a0dfc]::sys::stdio::unix::Stderr as std[6281e874092a0dfc]::io::Write>::write_fmt
[INFO] [stderr]    3:     0x733a2ba1ce48 - std[6281e874092a0dfc]::panicking::default_hook::{closure#0}
[INFO] [stderr]    4:     0x733a2ba3a163 - std[6281e874092a0dfc]::panicking::default_hook
[INFO] [stderr]    5:     0x733a2aa0ff8d - std[6281e874092a0dfc]::panicking::update_hook::<alloc[56313f94ec8c6695]::boxed::Box<rustc_driver_impl[3f098eb6bc26bcd1]::install_ice_hook::{closure#1}>>::{closure#0}
[INFO] [stderr]    6:     0x733a2ba3a442 - std[6281e874092a0dfc]::panicking::panic_with_hook
[INFO] [stderr]    7:     0x733a2ba1cf08 - std[6281e874092a0dfc]::panicking::panic_handler::{closure#0}
[INFO] [stderr]    8:     0x733a2ba11479 - std[6281e874092a0dfc]::sys::backtrace::__rust_end_short_backtrace::<std[6281e874092a0dfc]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]    9:     0x733a2ba1e96d - __rustc[670611b3f56fc7d7]::rust_begin_unwind
[INFO] [stderr]   10:     0x733a286ce58c - core[37ab4a9f28f6fd13]::panicking::panic_fmt
[INFO] [stderr]   11:     0x733a28388b72 - core[37ab4a9f28f6fd13]::result::unwrap_failed
[INFO] [stderr]   12:     0x599ea7d544e7 - <rustdoc[7f40747ea455e46f]::html::markdown::Math<rustdoc[7f40747ea455e46f]::html::markdown::TableWrapper<core[37ab4a9f28f6fd13]::iter::adapters::map::Map<rustdoc[7f40747ea455e46f]::html::markdown::footnotes::Footnotes<rustdoc[7f40747ea455e46f]::html::markdown::SpannedLinkReplacer<rustdoc[7f40747ea455e46f]::html::markdown::HeadingLinks<pulldown_cmark[baa249b750500f7c]::parse::OffsetIter<<rustdoc[7f40747ea455e46f]::html::markdown::Markdown>::into_iter::{closure#0}>>>>, <rustdoc[7f40747ea455e46f]::html::markdown::Markdown>::into_iter::{closure#1}::{closure#0}>>> as core[37ab4a9f28f6fd13]::iter::traits::iterator::Iterator>::next
[INFO] [stderr]   13:     0x599ea7ceac16 - <rustdoc[7f40747ea455e46f]::html::markdown::CodeBlocks<rustdoc[7f40747ea455e46f]::html::markdown::Math<rustdoc[7f40747ea455e46f]::html::markdown::TableWrapper<core[37ab4a9f28f6fd13]::iter::adapters::map::Map<rustdoc[7f40747ea455e46f]::html::markdown::footnotes::Footnotes<rustdoc[7f40747ea455e46f]::html::markdown::SpannedLinkReplacer<rustdoc[7f40747ea455e46f]::html::markdown::HeadingLinks<pulldown_cmark[baa249b750500f7c]::parse::OffsetIter<<rustdoc[7f40747ea455e46f]::html::markdown::Markdown>::into_iter::{closure#0}>>>>, <rustdoc[7f40747ea455e46f]::html::markdown::Markdown>::into_iter::{closure#1}::{closure#0}>>>> as core[37ab4a9f28f6fd13]::iter::traits::iterator::Iterator>::next
[INFO] [stderr]   14:     0x599ea7b50493 - <pulldown_cmark[baa249b750500f7c]::html::HtmlWriter<rustdoc[7f40747ea455e46f]::html::markdown::CodeBlocks<rustdoc[7f40747ea455e46f]::html::markdown::Math<rustdoc[7f40747ea455e46f]::html::markdown::TableWrapper<core[37ab4a9f28f6fd13]::iter::adapters::map::Map<rustdoc[7f40747ea455e46f]::html::markdown::footnotes::Footnotes<rustdoc[7f40747ea455e46f]::html::markdown::SpannedLinkReplacer<rustdoc[7f40747ea455e46f]::html::markdown::HeadingLinks<pulldown_cmark[baa249b750500f7c]::parse::OffsetIter<<rustdoc[7f40747ea455e46f]::html::markdown::Markdown>::into_iter::{closure#0}>>>>, <rustdoc[7f40747ea455e46f]::html::markdown::Markdown>::into_iter::{closure#1}::{closure#0}>>>>, pulldown_cmark_escape[cb8658d251f4e39e]::FmtWriter<&mut core[37ab4a9f28f6fd13]::fmt::Formatter>>>::run
[INFO] [stderr]   15:     0x599ea799fb80 - <rustdoc[7f40747ea455e46f]::html::markdown::Markdown>::write_into::<&mut core[37ab4a9f28f6fd13]::fmt::Formatter>
[INFO] [stderr]   16:     0x599ea7d43521 - <core[37ab4a9f28f6fd13]::fmt::builders::FromFn<rustdoc[7f40747ea455e46f]::html::render::render_markdown::{closure#0}> as core[37ab4a9f28f6fd13]::fmt::Display>::fmt
[INFO] [stderr]   17:     0x733a2c00ef88 - core[37ab4a9f28f6fd13]::fmt::write
[INFO] [stderr]   18:     0x599ea7d4455a - <core[37ab4a9f28f6fd13]::fmt::builders::FromFn<rustdoc[7f40747ea455e46f]::html::render::document_full_inner::{closure#0}> as core[37ab4a9f28f6fd13]::fmt::Display>::fmt
[INFO] [stderr]   19:     0x733a2c00ef88 - core[37ab4a9f28f6fd13]::fmt::write
[INFO] [stderr]   20:     0x599ea7d455a5 - <core[37ab4a9f28f6fd13]::fmt::builders::FromFn<rustdoc[7f40747ea455e46f]::html::render::document::{closure#0}> as core[37ab4a9f28f6fd13]::fmt::Display>::fmt
[INFO] [stderr]   21:     0x733a2c00ef88 - core[37ab4a9f28f6fd13]::fmt::write
[INFO] [stderr]   22:     0x599ea7d46424 - <core[37ab4a9f28f6fd13]::fmt::builders::FromFn<rustdoc[7f40747ea455e46f]::html::render::print_item::item_module::{closure#0}> as core[37ab4a9f28f6fd13]::fmt::Display>::fmt
[INFO] [stderr]   23:     0x733a2c00ef88 - core[37ab4a9f28f6fd13]::fmt::write
[INFO] [stderr]   24:     0x599ea7a3be0c - rustdoc[7f40747ea455e46f]::html::layout::render::<core[37ab4a9f28f6fd13]::fmt::builders::FromFn<rustdoc[7f40747ea455e46f]::html::render::print_item::print_item::{closure#0}>, core[37ab4a9f28f6fd13]::fmt::builders::FromFn<<rustdoc[7f40747ea455e46f]::html::render::context::Context>::render_item::{closure#1}>>
[INFO] [stderr]   25:     0x599ea7b8fb85 - <rustdoc[7f40747ea455e46f]::html::render::context::Context>::render_item
[INFO] [stderr]   26:     0x599ea7d28108 - <rustdoc[7f40747ea455e46f]::html::render::context::Context as rustdoc[7f40747ea455e46f]::formats::renderer::FormatRenderer>::mod_item_in
[INFO] [stderr]   27:     0x599ea7a44c1b - rustdoc[7f40747ea455e46f]::formats::renderer::run_format_inner::<rustdoc[7f40747ea455e46f]::html::render::context::Context>
[INFO] [stderr]   28:     0x599ea7b0d39f - rustdoc[7f40747ea455e46f]::main_args::{closure#2}::{closure#0}
[INFO] [stderr]   29:     0x599ea7b01100 - rustc_interface[7c235db06cadd779]::interface::run_compiler::<(), rustdoc[7f40747ea455e46f]::main_args::{closure#2}>::{closure#1}
[INFO] [stderr]   30:     0x599ea7a3a078 - std[6281e874092a0dfc]::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface[7c235db06cadd779]::util::run_in_thread_with_globals<rustc_interface[7c235db06cadd779]::util::run_in_thread_pool_with_globals<rustc_interface[7c235db06cadd779]::interface::run_compiler<(), rustdoc[7f40747ea455e46f]::main_args::{closure#2}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>
[INFO] [stderr]   31:     0x599ea7b33df7 - <std[6281e874092a0dfc]::thread::lifecycle::spawn_unchecked<rustc_interface[7c235db06cadd779]::util::run_in_thread_with_globals<rustc_interface[7c235db06cadd779]::util::run_in_thread_pool_with_globals<rustc_interface[7c235db06cadd779]::interface::run_compiler<(), rustdoc[7f40747ea455e46f]::main_args::{closure#2}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[37ab4a9f28f6fd13]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]   32:     0x733a2d21dbac - <std[6281e874092a0dfc]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stderr]   33:     0x733a26c8aaa4 - <unknown>
[INFO] [stderr]   34:     0x733a26d17a64 - clone
[INFO] [stderr]   35:                0x0 - <unknown>
[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_55_31-574.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" "c68faf475c89d7913b12fbfae73290a3fc345c43ce342269938e358ddd7a74ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c68faf475c89d7913b12fbfae73290a3fc345c43ce342269938e358ddd7a74ef", kill_on_drop: false }`
[INFO] [stdout] c68faf475c89d7913b12fbfae73290a3fc345c43ce342269938e358ddd7a74ef
