[INFO] fetching crate throttlecrab-server 0.4.35... [INFO] documenting throttlecrab-server-0.4.35 against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918-2 [INFO] extracting crate throttlecrab-server 0.4.35 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate throttlecrab-server 0.4.35 [INFO] removed 0 missing examples [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate throttlecrab-server 0.4.35 [INFO] tweaked toml for crates.io crate throttlecrab-server 0.4.35 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate throttlecrab-server 0.4.35 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 throttlecrab-server 0.4.35 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f8e7b4603f16fd73f2c28e1e68dc3f0930848ce1f88dd1703aad11f6d5606ece [INFO] running `Command { std: "docker" "start" "-a" "f8e7b4603f16fd73f2c28e1e68dc3f0930848ce1f88dd1703aad11f6d5606ece", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f8e7b4603f16fd73f2c28e1e68dc3f0930848ce1f88dd1703aad11f6d5606ece", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8e7b4603f16fd73f2c28e1e68dc3f0930848ce1f88dd1703aad11f6d5606ece", kill_on_drop: false }` [INFO] [stdout] f8e7b4603f16fd73f2c28e1e68dc3f0930848ce1f88dd1703aad11f6d5606ece [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 9c70625ea703c6e42242fde23c3dbd92747376dd672a4f3210177b1ffb4d5415 [INFO] running `Command { std: "docker" "start" "-a" "9c70625ea703c6e42242fde23c3dbd92747376dd672a4f3210177b1ffb4d5415", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.105 [INFO] [stderr] Compiling libc v0.2.180 [INFO] [stderr] Checking tracing-core v0.1.36 [INFO] [stderr] Compiling once_cell v1.21.3 [INFO] [stderr] Checking http v1.4.0 [INFO] [stderr] Compiling itertools v0.14.0 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling anyhow v1.0.100 [INFO] [stderr] Checking indexmap v2.13.0 [INFO] [stderr] Compiling rustix v1.1.3 [INFO] [stderr] Compiling prettyplease v0.2.37 [INFO] [stderr] Checking futures-task v0.3.31 [INFO] [stderr] Compiling zmij v1.0.15 [INFO] [stderr] Compiling pulldown-cmark v0.13.0 [INFO] [stderr] Checking futures-channel v0.3.31 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Compiling foldhash v0.1.5 [INFO] [stderr] Compiling ucd-trie v0.1.7 [INFO] [stderr] Compiling regex-syntax v0.8.8 [INFO] [stderr] Compiling bytes v1.11.0 [INFO] [stderr] Compiling unicase v2.9.0 [INFO] [stderr] Compiling serde_json v1.0.149 [INFO] [stderr] Compiling typeid v1.0.3 [INFO] [stderr] Compiling pest v2.8.5 [INFO] [stderr] Compiling hashbrown v0.15.5 [INFO] [stderr] Compiling fixedbitset v0.5.7 [INFO] [stderr] Compiling quote v1.0.43 [INFO] [stderr] Checking http-body v1.0.1 [INFO] [stderr] Checking http-body-util v0.1.3 [INFO] [stderr] Checking ryu v1.0.22 [INFO] [stderr] Compiling syn v2.0.114 [INFO] [stderr] Compiling erased-serde v0.4.9 [INFO] [stderr] Checking utf8parse v0.2.2 [INFO] [stderr] Compiling multimap v0.10.1 [INFO] [stderr] Compiling zerocopy v0.8.33 [INFO] [stderr] Checking anstyle-parse v0.2.7 [INFO] [stderr] Checking serde_path_to_error v0.1.20 [INFO] [stderr] Compiling petgraph v0.8.3 [INFO] [stderr] Checking colorchoice v1.0.4 [INFO] [stderr] Checking is_terminal_polyfill v1.70.2 [INFO] [stderr] Checking errno v0.3.14 [INFO] [stderr] Checking parking_lot_core v0.9.12 [INFO] [stderr] Checking socket2 v0.6.1 [INFO] [stderr] Checking mio v1.1.1 [INFO] [stderr] Compiling getrandom v0.2.17 [INFO] [stderr] Checking signal-hook-registry v1.4.8 [INFO] [stderr] Compiling getrandom v0.3.4 [INFO] [stderr] Checking parking_lot v0.12.5 [INFO] [stderr] Compiling const-random-macro v0.1.16 [INFO] [stderr] Compiling pulldown-cmark-to-cmark v22.0.0 [INFO] [stderr] Compiling regex-automata v0.4.13 [INFO] [stderr] Checking hashbrown v0.14.5 [INFO] [stderr] Checking anstyle v1.0.13 [INFO] [stderr] Checking anstyle-query v1.1.5 [INFO] [stderr] Checking hashlink v0.10.0 [INFO] [stderr] Checking toml_parser v1.0.6+spec-1.1.0 [INFO] [stderr] Compiling pest_meta v2.8.5 [INFO] [stderr] Checking anstream v0.6.21 [INFO] [stderr] Checking const-random v0.1.18 [INFO] [stderr] Checking dlv-list v0.5.2 [INFO] [stderr] Checking serde_spanned v1.0.4 [INFO] [stderr] Checking toml_datetime v0.7.5+spec-1.1.0 [INFO] [stderr] Checking bitflags v2.10.0 [INFO] [stderr] Checking strsim v0.11.1 [INFO] [stderr] Checking clap_lex v0.7.7 [INFO] [stderr] Compiling tempfile v3.24.0 [INFO] [stderr] Checking arraydeque v0.5.1 [INFO] [stderr] Checking convert_case v0.6.0 [INFO] [stderr] Checking toml v0.9.11+spec-1.1.0 [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Checking ordered-multimap v0.7.3 [INFO] [stderr] Checking clap_builder v4.5.54 [INFO] [stderr] Checking pathdiff v0.2.3 [INFO] [stderr] Checking yaml-rust2 v0.10.4 [INFO] [stderr] Checking serde-untagged v0.1.9 [INFO] [stderr] Checking rust-ini v0.21.3 [INFO] [stderr] Compiling regex v1.12.2 [INFO] [stderr] Checking ahash v0.8.12 [INFO] [stderr] Checking throttlecrab v0.4.35 [INFO] [stderr] Compiling pest_generator v2.8.5 [INFO] [stderr] Compiling tracing-attributes v0.1.31 [INFO] [stderr] Compiling tokio-macros v2.6.0 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling prost-derive v0.14.3 [INFO] [stderr] Compiling async-trait v0.1.89 [INFO] [stderr] Compiling pin-project-internal v1.1.10 [INFO] [stderr] Compiling clap_derive v4.5.49 [INFO] [stderr] Compiling tonic-build v0.14.2 [INFO] [stderr] Compiling pest_derive v2.8.5 [INFO] [stderr] Checking tokio v1.49.0 [INFO] [stderr] Checking pin-project v1.1.10 [INFO] [stderr] Checking tracing v0.1.44 [INFO] [stderr] Checking axum-core v0.5.6 [INFO] [stderr] Checking tracing-subscriber v0.3.22 [INFO] [stderr] Compiling prost v0.14.3 [INFO] [stderr] Checking clap v4.5.54 [INFO] [stderr] Compiling prost-types v0.14.3 [INFO] [stderr] Compiling prost-build v0.14.3 [INFO] [stderr] Checking serde v1.0.228 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking ron v0.12.0 [INFO] [stderr] Checking json5 v0.4.1 [INFO] [stderr] Compiling tonic-prost-build v0.14.2 [INFO] [stderr] Compiling throttlecrab-server v0.4.35 (/opt/rustwide/workdir) [INFO] [stderr] Checking config v0.15.19 [INFO] [stderr] Checking tokio-util v0.7.18 [INFO] [stderr] Checking tokio-stream v0.1.18 [INFO] [stderr] Checking h2 v0.4.13 [INFO] [stderr] Checking tower v0.5.3 [INFO] [stderr] Checking hyper v1.8.1 [INFO] [stderr] Checking hyper-util v0.1.19 [INFO] [stderr] Checking axum v0.8.8 [INFO] [stderr] Checking hyper-timeout v0.5.2 [INFO] [stderr] Checking tonic v0.14.2 [INFO] [stderr] Checking tonic-prost v0.14.2 [INFO] [stderr] Documenting throttlecrab-server v0.4.35 (/opt/rustwide/workdir) [INFO] [stderr] [INFO] [stderr] thread 'rustc' (1593) panicked at src/librustdoc/html/markdown.rs:534:22: [INFO] [stderr] a production-ready version of this should handle the error somehow: LatexError(1, UnknownCommand("r")) [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x78ace9c46d9b - <::print::DisplayBacktrace as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 1: 0x78acea20ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 2: 0x78ace9c5dc36 - ::write_fmt [INFO] [stderr] 3: 0x78ace9c1ce48 - std[6281e874092a0dfc]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x78ace9c3a163 - std[6281e874092a0dfc]::panicking::default_hook [INFO] [stderr] 5: 0x78ace8c0ff8d - std[6281e874092a0dfc]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x78ace9c3a442 - std[6281e874092a0dfc]::panicking::panic_with_hook [INFO] [stderr] 7: 0x78ace9c1cf08 - std[6281e874092a0dfc]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x78ace9c11479 - std[6281e874092a0dfc]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x78ace9c1e96d - __rustc[670611b3f56fc7d7]::rust_begin_unwind [INFO] [stderr] 10: 0x78ace68ce58c - core[37ab4a9f28f6fd13]::panicking::panic_fmt [INFO] [stderr] 11: 0x78ace6588b72 - core[37ab4a9f28f6fd13]::result::unwrap_failed [INFO] [stderr] 12: 0x580f9af1551e - ::into_iter::{closure#0}>>>>, ::into_iter::{closure#1}::{closure#0}>>> as core[37ab4a9f28f6fd13]::iter::traits::iterator::Iterator>::next [INFO] [stderr] 13: 0x580f9aeabc16 - ::into_iter::{closure#0}>>>>, ::into_iter::{closure#1}::{closure#0}>>>> as core[37ab4a9f28f6fd13]::iter::traits::iterator::Iterator>::next [INFO] [stderr] 14: 0x580f9ad11493 - ::into_iter::{closure#0}>>>>, ::into_iter::{closure#1}::{closure#0}>>>>, pulldown_cmark_escape[cb8658d251f4e39e]::FmtWriter<&mut core[37ab4a9f28f6fd13]::fmt::Formatter>>>::run [INFO] [stderr] 15: 0x580f9ab60b80 - ::write_into::<&mut core[37ab4a9f28f6fd13]::fmt::Formatter> [INFO] [stderr] 16: 0x580f9af04521 - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 17: 0x78acea20ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 18: 0x580f9af055da - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 19: 0x78acea20ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 20: 0x580f9af065a5 - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 21: 0x78acea20ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 22: 0x580f9af0b76c - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 23: 0x78acea20ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 24: 0x580f9ab2503d - ::render_into:: [INFO] [stderr] 25: 0x580f9af103f9 - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 26: 0x78acea20ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 27: 0x580f9abfcc6a - rustdoc[7f40747ea455e46f]::html::layout::render::, core[37ab4a9f28f6fd13]::fmt::builders::FromFn<::render_item::{closure#1}>> [INFO] [stderr] 28: 0x580f9ad50b85 - ::render_item [INFO] [stderr] 29: 0x580f9aeeba5e - ::item [INFO] [stderr] 30: 0x580f9ac05adc - rustdoc[7f40747ea455e46f]::formats::renderer::run_format_inner:: [INFO] [stderr] 31: 0x580f9ac05c8f - rustdoc[7f40747ea455e46f]::formats::renderer::run_format_inner:: [INFO] [stderr] 32: 0x580f9ac05c8f - rustdoc[7f40747ea455e46f]::formats::renderer::run_format_inner:: [INFO] [stderr] 33: 0x580f9ac05c8f - rustdoc[7f40747ea455e46f]::formats::renderer::run_format_inner:: [INFO] [stderr] 34: 0x580f9ac05c8f - rustdoc[7f40747ea455e46f]::formats::renderer::run_format_inner:: [INFO] [stderr] 35: 0x580f9acce39f - rustdoc[7f40747ea455e46f]::main_args::{closure#2}::{closure#0} [INFO] [stderr] 36: 0x580f9acc2100 - rustc_interface[7c235db06cadd779]::interface::run_compiler::<(), rustdoc[7f40747ea455e46f]::main_args::{closure#2}>::{closure#1} [INFO] [stderr] 37: 0x580f9abfb078 - std[6281e874092a0dfc]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 38: 0x580f9acf4df7 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[37ab4a9f28f6fd13]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 39: 0x78aceb41dbac - ::new::thread_start [INFO] [stderr] 40: 0x78ace4e8aaa4 - [INFO] [stderr] 41: 0x78ace4f17a64 - clone [INFO] [stderr] 42: 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-2026-02-09T21_55_13-1592.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 `throttlecrab-server` [INFO] running `Command { std: "docker" "inspect" "9c70625ea703c6e42242fde23c3dbd92747376dd672a4f3210177b1ffb4d5415", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c70625ea703c6e42242fde23c3dbd92747376dd672a4f3210177b1ffb4d5415", kill_on_drop: false }` [INFO] [stdout] 9c70625ea703c6e42242fde23c3dbd92747376dd672a4f3210177b1ffb4d5415