[INFO] fetching crate rv 0.19.1...
[INFO] documenting rv-0.19.1 against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918-2
[INFO] extracting crate rv 0.19.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rv 0.19.1
[INFO] finished tweaking crates.io crate rv 0.19.1
[INFO] tweaked toml for crates.io crate rv 0.19.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rv 0.19.1 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 rv 0.19.1 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2a54002584cf69cc2c261eb1aa17fc583c1835e0bba5e3bde4aa5f661627f63b
[INFO] running `Command { std: "docker" "start" "-a" "2a54002584cf69cc2c261eb1aa17fc583c1835e0bba5e3bde4aa5f661627f63b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a54002584cf69cc2c261eb1aa17fc583c1835e0bba5e3bde4aa5f661627f63b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a54002584cf69cc2c261eb1aa17fc583c1835e0bba5e3bde4aa5f661627f63b", kill_on_drop: false }`
[INFO] [stdout] 2a54002584cf69cc2c261eb1aa17fc583c1835e0bba5e3bde4aa5f661627f63b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9047c0582d295d7a9a63706c1b6ed23913ee5d8f56941f9c1d7966a7075d51e8
[INFO] running `Command { std: "docker" "start" "-a" "9047c0582d295d7a9a63706c1b6ed23913ee5d8f56941f9c1d7966a7075d51e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]    Compiling lambert_w v1.2.28
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]     Checking lru v0.16.1
[INFO] [stderr]     Checking num-traits v0.2.19
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rand_xoshiro v0.7.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking special v0.11.4
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking rand_distr v0.5.1
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]  Documenting rv v0.19.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unclosed HTML tag `dyn`
[INFO] [stdout]    --> src/test.rs:544:22
[INFO] [stdout]     |
[INFO] [stdout] 544 | /// * Result<f64, Box<dyn std::error::Error>>
[INFO] [stdout]     |                      ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::invalid_html_tags)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `T`
[INFO] [stdout]    --> src/traits.rs:720:30
[INFO] [stdout]     |
[INFO] [stdout] 720 | /// using the default Shifted<T> as the Output type.
[INFO] [stdout]     |                              ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]     |
[INFO] [stdout] 720 | /// using the default `Shifted<T>` as the Output type.
[INFO] [stdout]     |                       +          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `T`
[INFO] [stdout]    --> src/traits.rs:766:29
[INFO] [stdout]     |
[INFO] [stdout] 766 | /// using the default Scaled<T> as the Output type.
[INFO] [stdout]     |                             ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]     |
[INFO] [stdout] 766 | /// using the default `Scaled<T>` as the Output type.
[INFO] [stdout]     |                       +         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] thread 'rustc' (317) panicked at src/librustdoc/html/markdown.rs:534:22:
[INFO] [stderr] a production-ready version of this should handle the error somehow: LatexError(8, UnknownCommand("`"))
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x7b6b9da46d9b - <<std[6281e874092a0dfc]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[37ab4a9f28f6fd13]::fmt::Display>::fmt
[INFO] [stderr]    1:     0x7b6b9e00ef88 - core[37ab4a9f28f6fd13]::fmt::write
[INFO] [stderr]    2:     0x7b6b9da5dc36 - <std[6281e874092a0dfc]::sys::stdio::unix::Stderr as std[6281e874092a0dfc]::io::Write>::write_fmt
[INFO] [stderr]    3:     0x7b6b9da1ce48 - std[6281e874092a0dfc]::panicking::default_hook::{closure#0}
[INFO] [stderr]    4:     0x7b6b9da3a163 - std[6281e874092a0dfc]::panicking::default_hook
[INFO] [stderr]    5:     0x7b6b9ca0ff8d - std[6281e874092a0dfc]::panicking::update_hook::<alloc[56313f94ec8c6695]::boxed::Box<rustc_driver_impl[3f098eb6bc26bcd1]::install_ice_hook::{closure#1}>>::{closure#0}
[INFO] [stderr]    6:     0x7b6b9da3a442 - std[6281e874092a0dfc]::panicking::panic_with_hook
[INFO] [stderr]    7:     0x7b6b9da1cf08 - std[6281e874092a0dfc]::panicking::panic_handler::{closure#0}
[INFO] [stderr]    8:     0x7b6b9da11479 - std[6281e874092a0dfc]::sys::backtrace::__rust_end_short_backtrace::<std[6281e874092a0dfc]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]    9:     0x7b6b9da1e96d - __rustc[670611b3f56fc7d7]::rust_begin_unwind
[INFO] [stderr]   10:     0x7b6b9a6ce58c - core[37ab4a9f28f6fd13]::panicking::panic_fmt
[INFO] [stderr]   11:     0x7b6b9a388b72 - core[37ab4a9f28f6fd13]::result::unwrap_failed
[INFO] [stderr]   12:     0x5734780b851e - <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:     0x57347804ec16 - <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:     0x573477eb4493 - <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:     0x573477d03b80 - <rustdoc[7f40747ea455e46f]::html::markdown::Markdown>::write_into::<&mut core[37ab4a9f28f6fd13]::fmt::Formatter>
[INFO] [stderr]   16:     0x5734780a7521 - <core[37ab4a9f28f6fd13]::fmt::builders::FromFn<rustdoc[7f40747ea455e46f]::html::render::render_markdown::{closure#0}> as core[37ab4a9f28f6fd13]::fmt::Display>::fmt
[INFO] [stderr]   17:     0x7b6b9e00ef88 - core[37ab4a9f28f6fd13]::fmt::write
[INFO] [stderr]   18:     0x5734780a855a - <core[37ab4a9f28f6fd13]::fmt::builders::FromFn<rustdoc[7f40747ea455e46f]::html::render::document_full_inner::{closure#0}> as core[37ab4a9f28f6fd13]::fmt::Display>::fmt
[INFO] [stderr]   19:     0x7b6b9e00ef88 - core[37ab4a9f28f6fd13]::fmt::write
[INFO] [stderr]   20:     0x5734780a95a5 - <core[37ab4a9f28f6fd13]::fmt::builders::FromFn<rustdoc[7f40747ea455e46f]::html::render::document::{closure#0}> as core[37ab4a9f28f6fd13]::fmt::Display>::fmt
[INFO] [stderr]   21:     0x7b6b9e00ef88 - core[37ab4a9f28f6fd13]::fmt::write
[INFO] [stderr]   22:     0x573477cca85f - <rustdoc[7f40747ea455e46f]::html::render::print_item::DisplayStruct>::render_into::<core[37ab4a9f28f6fd13]::fmt::Formatter>
[INFO] [stderr]   23:     0x5734780acab0 - <core[37ab4a9f28f6fd13]::fmt::builders::FromFn<rustdoc[7f40747ea455e46f]::html::render::print_item::item_struct::{closure#0}> as core[37ab4a9f28f6fd13]::fmt::Display>::fmt
[INFO] [stderr]   24:     0x7b6b9e00ef88 - core[37ab4a9f28f6fd13]::fmt::write
[INFO] [stderr]   25:     0x573477d9fc0a - 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]   26:     0x573477ef3b85 - <rustdoc[7f40747ea455e46f]::html::render::context::Context>::render_item
[INFO] [stderr]   27:     0x57347808ea5e - <rustdoc[7f40747ea455e46f]::html::render::context::Context as rustdoc[7f40747ea455e46f]::formats::renderer::FormatRenderer>::item
[INFO] [stderr]   28:     0x573477da8adc - rustdoc[7f40747ea455e46f]::formats::renderer::run_format_inner::<rustdoc[7f40747ea455e46f]::html::render::context::Context>
[INFO] [stderr]   29:     0x573477da8c8f - rustdoc[7f40747ea455e46f]::formats::renderer::run_format_inner::<rustdoc[7f40747ea455e46f]::html::render::context::Context>
[INFO] [stderr]   30:     0x573477da8c8f - rustdoc[7f40747ea455e46f]::formats::renderer::run_format_inner::<rustdoc[7f40747ea455e46f]::html::render::context::Context>
[INFO] [stderr]   31:     0x573477da8c8f - rustdoc[7f40747ea455e46f]::formats::renderer::run_format_inner::<rustdoc[7f40747ea455e46f]::html::render::context::Context>
[INFO] [stderr]   32:     0x573477e7139f - rustdoc[7f40747ea455e46f]::main_args::{closure#2}::{closure#0}
[INFO] [stderr]   33:     0x573477e65100 - rustc_interface[7c235db06cadd779]::interface::run_compiler::<(), rustdoc[7f40747ea455e46f]::main_args::{closure#2}>::{closure#1}
[INFO] [stderr]   34:     0x573477d9e078 - 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]   35:     0x573477e97df7 - <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]   36:     0x7b6b9f21dbac - <std[6281e874092a0dfc]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stderr]   37:     0x7b6b98c8aaa4 - <unknown>
[INFO] [stderr]   38:     0x7b6b98d17a64 - clone
[INFO] [stderr]   39:                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_35_52-316.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 `rv`
[INFO] running `Command { std: "docker" "inspect" "9047c0582d295d7a9a63706c1b6ed23913ee5d8f56941f9c1d7966a7075d51e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9047c0582d295d7a9a63706c1b6ed23913ee5d8f56941f9c1d7966a7075d51e8", kill_on_drop: false }`
[INFO] [stdout] 9047c0582d295d7a9a63706c1b6ed23913ee5d8f56941f9c1d7966a7075d51e8
