[INFO] cloning repository https://github.com/pelikan-io/grow-a-cache [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pelikan-io/grow-a-cache" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpelikan-io%2Fgrow-a-cache", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpelikan-io%2Fgrow-a-cache'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fc713860cea068ffb2c80c35be7cb38c83bb9b48 [INFO] documenting pelikan-io/grow-a-cache against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpelikan-io%2Fgrow-a-cache" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/pelikan-io/grow-a-cache [INFO] finished tweaking git repo https://github.com/pelikan-io/grow-a-cache [INFO] tweaked toml for git repo https://github.com/pelikan-io/grow-a-cache written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/pelikan-io/grow-a-cache 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 git repo https://github.com/pelikan-io/grow-a-cache 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] d3d6e82fd99340442a422c24c58b870424e1fd35065c5e77a3c2b48e2d19cc6a [INFO] running `Command { std: "docker" "start" "-a" "d3d6e82fd99340442a422c24c58b870424e1fd35065c5e77a3c2b48e2d19cc6a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d3d6e82fd99340442a422c24c58b870424e1fd35065c5e77a3c2b48e2d19cc6a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d3d6e82fd99340442a422c24c58b870424e1fd35065c5e77a3c2b48e2d19cc6a", kill_on_drop: false }` [INFO] [stdout] d3d6e82fd99340442a422c24c58b870424e1fd35065c5e77a3c2b48e2d19cc6a [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] a79e20e301e331031380015bfb6ca4d3b878d4bf78598d26fdf37dec527c0fb7 [INFO] running `Command { std: "docker" "start" "-a" "a79e20e301e331031380015bfb6ca4d3b878d4bf78598d26fdf37dec527c0fb7", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.103 [INFO] [stderr] Compiling unicode-ident v1.0.22 [INFO] [stderr] Compiling quote v1.0.42 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling libc v0.2.178 [INFO] [stderr] Checking utf8parse v0.2.2 [INFO] [stderr] Checking once_cell v1.21.3 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Checking hashbrown v0.16.1 [INFO] [stderr] Checking regex-syntax v0.8.8 [INFO] [stderr] Checking colorchoice v1.0.4 [INFO] [stderr] Checking anstyle-query v1.1.5 [INFO] [stderr] Checking cfg-if v1.0.4 [INFO] [stderr] Checking anstyle v1.0.13 [INFO] [stderr] Checking log v0.4.29 [INFO] [stderr] Checking anstyle-parse v0.2.7 [INFO] [stderr] Checking is_terminal_polyfill v1.70.2 [INFO] [stderr] Checking equivalent v1.0.2 [INFO] [stderr] Checking strsim v0.11.1 [INFO] [stderr] Checking winnow v0.7.14 [INFO] [stderr] Checking toml_write v0.1.2 [INFO] [stderr] Checking clap_lex v0.7.6 [INFO] [stderr] Checking tracing-core v0.1.35 [INFO] [stderr] Compiling io-uring v0.7.11 [INFO] [stderr] Checking pin-project-lite v0.2.16 [INFO] [stderr] Compiling heck v0.5.0 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking thread_local v1.1.9 [INFO] [stderr] Checking iana-time-zone v0.1.64 [INFO] [stderr] Checking smallvec v1.15.1 [INFO] [stderr] Checking anstream v0.6.21 [INFO] [stderr] Checking sharded-slab v0.1.7 [INFO] [stderr] Checking nu-ansi-term v0.50.3 [INFO] [stderr] Checking bitflags v2.10.0 [INFO] [stderr] Checking bytes v1.11.0 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking slab v0.4.11 [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Checking clap_builder v4.5.53 [INFO] [stderr] Checking indexmap v2.12.1 [INFO] [stderr] Compiling syn v2.0.111 [INFO] [stderr] Checking regex-automata v0.4.13 [INFO] [stderr] Checking chrono v0.4.42 [INFO] [stderr] Checking socket2 v0.5.10 [INFO] [stderr] Checking mio v1.1.1 [INFO] [stderr] Checking matchers v0.2.0 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling tracing-attributes v0.1.31 [INFO] [stderr] Compiling clap_derive v4.5.49 [INFO] [stderr] Checking tracing v0.1.43 [INFO] [stderr] Checking tracing-subscriber v0.3.22 [INFO] [stderr] Checking clap v4.5.53 [INFO] [stderr] Checking toml_datetime v0.6.11 [INFO] [stderr] Checking serde_spanned v0.6.9 [INFO] [stderr] Checking toml_edit v0.22.27 [INFO] [stderr] Checking toml v0.8.23 [INFO] [stderr] Documenting grow-a-cache v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] [INFO] [stderr] thread 'rustc' (710) 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: 0x7eb604c46d9b - <::print::DisplayBacktrace as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 1: 0x7eb60520ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 2: 0x7eb604c5dc36 - ::write_fmt [INFO] [stderr] 3: 0x7eb604c1ce48 - std[6281e874092a0dfc]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x7eb604c3a163 - std[6281e874092a0dfc]::panicking::default_hook [INFO] [stderr] 5: 0x7eb603c0ff8d - std[6281e874092a0dfc]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x7eb604c3a442 - std[6281e874092a0dfc]::panicking::panic_with_hook [INFO] [stderr] 7: 0x7eb604c1cf08 - std[6281e874092a0dfc]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x7eb604c11479 - std[6281e874092a0dfc]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x7eb604c1e96d - __rustc[670611b3f56fc7d7]::rust_begin_unwind [INFO] [stderr] 10: 0x7eb6018ce58c - core[37ab4a9f28f6fd13]::panicking::panic_fmt [INFO] [stderr] 11: 0x7eb601588b72 - core[37ab4a9f28f6fd13]::result::unwrap_failed [INFO] [stderr] 12: 0x5a34545bd51e - ::into_iter::{closure#0}>>>>, ::into_iter::{closure#1}::{closure#0}>>> as core[37ab4a9f28f6fd13]::iter::traits::iterator::Iterator>::next [INFO] [stderr] 13: 0x5a3454553c16 - ::into_iter::{closure#0}>>>>, ::into_iter::{closure#1}::{closure#0}>>>> as core[37ab4a9f28f6fd13]::iter::traits::iterator::Iterator>::next [INFO] [stderr] 14: 0x5a34543b9493 - ::into_iter::{closure#0}>>>>, ::into_iter::{closure#1}::{closure#0}>>>>, pulldown_cmark_escape[cb8658d251f4e39e]::FmtWriter<&mut core[37ab4a9f28f6fd13]::fmt::Formatter>>>::run [INFO] [stderr] 15: 0x5a3454208b80 - ::write_into::<&mut core[37ab4a9f28f6fd13]::fmt::Formatter> [INFO] [stderr] 16: 0x5a34545ac521 - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 17: 0x7eb60520ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 18: 0x5a34545ad55a - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 19: 0x7eb60520ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 20: 0x5a34545ae5a5 - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 21: 0x7eb60520ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 22: 0x5a34545b304a - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 23: 0x7eb60520ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 24: 0x5a34542a4a44 - rustdoc[7f40747ea455e46f]::html::layout::render::, core[37ab4a9f28f6fd13]::fmt::builders::FromFn<::render_item::{closure#1}>> [INFO] [stderr] 25: 0x5a34543f8b85 - ::render_item [INFO] [stderr] 26: 0x5a3454593a5e - ::item [INFO] [stderr] 27: 0x5a34542adadc - rustdoc[7f40747ea455e46f]::formats::renderer::run_format_inner:: [INFO] [stderr] 28: 0x5a34542adc8f - rustdoc[7f40747ea455e46f]::formats::renderer::run_format_inner:: [INFO] [stderr] 29: 0x5a34542adc8f - rustdoc[7f40747ea455e46f]::formats::renderer::run_format_inner:: [INFO] [stderr] 30: 0x5a34542adc8f - rustdoc[7f40747ea455e46f]::formats::renderer::run_format_inner:: [INFO] [stderr] 31: 0x5a34542adc8f - rustdoc[7f40747ea455e46f]::formats::renderer::run_format_inner:: [INFO] [stderr] 32: 0x5a345437639f - rustdoc[7f40747ea455e46f]::main_args::{closure#2}::{closure#0} [INFO] [stderr] 33: 0x5a345436a100 - rustc_interface[7c235db06cadd779]::interface::run_compiler::<(), rustdoc[7f40747ea455e46f]::main_args::{closure#2}>::{closure#1} [INFO] [stderr] 34: 0x5a34542a3078 - std[6281e874092a0dfc]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 35: 0x5a345439cdf7 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[37ab4a9f28f6fd13]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 36: 0x7eb60641dbac - ::new::thread_start [INFO] [stderr] 37: 0x7eb5ffe8aaa4 - [INFO] [stderr] 38: 0x7eb5fff17a64 - clone [INFO] [stderr] 39: 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_53_26-709.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 bin [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 `grow-a-cache` [INFO] running `Command { std: "docker" "inspect" "a79e20e301e331031380015bfb6ca4d3b878d4bf78598d26fdf37dec527c0fb7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a79e20e301e331031380015bfb6ca4d3b878d4bf78598d26fdf37dec527c0fb7", kill_on_drop: false }` [INFO] [stdout] a79e20e301e331031380015bfb6ca4d3b878d4bf78598d26fdf37dec527c0fb7