[INFO] cloning repository https://github.com/phnixir/femtorinth [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/phnixir/femtorinth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphnixir%2Ffemtorinth", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphnixir%2Ffemtorinth'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7863f591f6af58f6d6e298a99ee6b588ccfc24e0 [INFO] documenting phnixir/femtorinth against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphnixir%2Ffemtorinth" "/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/phnixir/femtorinth [INFO] finished tweaking git repo https://github.com/phnixir/femtorinth [INFO] tweaked toml for git repo https://github.com/phnixir/femtorinth written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/phnixir/femtorinth 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 76 packages to latest compatible versions [INFO] [stderr] Adding thiserror v1.0.69 (available: v2.0.18) [INFO] [stderr] Adding ureq v2.12.1 (available: v3.2.0) [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] 52e95eb498ab45906cdce30f7975b18eeefae2c0e33ebb6f8c896317e5dca89e [INFO] running `Command { std: "docker" "start" "-a" "52e95eb498ab45906cdce30f7975b18eeefae2c0e33ebb6f8c896317e5dca89e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "52e95eb498ab45906cdce30f7975b18eeefae2c0e33ebb6f8c896317e5dca89e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "52e95eb498ab45906cdce30f7975b18eeefae2c0e33ebb6f8c896317e5dca89e", kill_on_drop: false }` [INFO] [stdout] 52e95eb498ab45906cdce30f7975b18eeefae2c0e33ebb6f8c896317e5dca89e [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] 2c1154b3a4d5d4101206701ca0e7f6b59f1657e531901d0804038fa91fd9f342 [INFO] running `Command { std: "docker" "start" "-a" "2c1154b3a4d5d4101206701ca0e7f6b59f1657e531901d0804038fa91fd9f342", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.106 [INFO] [stderr] Compiling unicode-ident v1.0.23 [INFO] [stderr] Compiling quote v1.0.44 [INFO] [stderr] Checking stable_deref_trait v1.2.1 [INFO] [stderr] Compiling find-msvc-tools v0.1.9 [INFO] [stderr] Checking litemap v0.8.1 [INFO] [stderr] Checking writeable v0.6.2 [INFO] [stderr] Checking cfg-if v1.0.4 [INFO] [stderr] Compiling icu_normalizer_data v2.1.1 [INFO] [stderr] Compiling libc v0.2.181 [INFO] [stderr] Compiling icu_properties_data v2.1.2 [INFO] [stderr] Checking zeroize v1.8.2 [INFO] [stderr] Compiling cc v1.2.55 [INFO] [stderr] Checking rustls-pki-types v1.14.0 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Checking smallvec v1.15.1 [INFO] [stderr] Compiling crc32fast v1.5.0 [INFO] [stderr] Compiling zmij v1.0.20 [INFO] [stderr] Compiling rustls v0.23.36 [INFO] [stderr] Compiling serde_json v1.0.149 [INFO] [stderr] Checking simd-adler32 v0.3.8 [INFO] [stderr] Checking percent-encoding v2.3.2 [INFO] [stderr] Checking adler2 v2.0.1 [INFO] [stderr] Checking utf8_iter v1.0.4 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Checking miniz_oxide v0.8.9 [INFO] [stderr] Checking form_urlencoded v1.2.2 [INFO] [stderr] Checking webpki-roots v1.0.6 [INFO] [stderr] Checking subtle v2.6.1 [INFO] [stderr] Checking log v0.4.29 [INFO] [stderr] Checking memchr v2.8.0 [INFO] [stderr] Compiling syn v2.0.114 [INFO] [stderr] Checking itoa v1.0.17 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Checking once_cell v1.21.3 [INFO] [stderr] Checking flate2 v1.1.9 [INFO] [stderr] Checking webpki-roots v0.26.11 [INFO] [stderr] Checking getrandom v0.2.17 [INFO] [stderr] Compiling ring v0.17.14 [INFO] [stderr] Compiling synstructure v0.13.2 [INFO] [stderr] Compiling zerovec-derive v0.11.2 [INFO] [stderr] Compiling displaydoc v0.2.5 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling zerofrom-derive v0.1.6 [INFO] [stderr] Compiling yoke-derive v0.8.1 [INFO] [stderr] Checking zerofrom v0.1.6 [INFO] [stderr] Checking yoke v0.8.1 [INFO] [stderr] Checking zerotrie v0.2.3 [INFO] [stderr] Checking zerovec v0.11.5 [INFO] [stderr] Checking rustls-webpki v0.103.9 [INFO] [stderr] Checking tinystr v0.8.2 [INFO] [stderr] Checking potential_utf v0.1.4 [INFO] [stderr] Checking icu_collections v2.1.1 [INFO] [stderr] Checking icu_locale_core v2.1.1 [INFO] [stderr] Checking icu_provider v2.1.1 [INFO] [stderr] Checking icu_properties v2.1.2 [INFO] [stderr] Checking icu_normalizer v2.1.1 [INFO] [stderr] Checking idna_adapter v1.2.1 [INFO] [stderr] Checking idna v1.1.0 [INFO] [stderr] Checking url v2.5.8 [INFO] [stderr] Checking ureq v2.12.1 [INFO] [stderr] Documenting femtorinth v0.1.3 (/opt/rustwide/workdir) [INFO] [stderr] [INFO] [stderr] thread 'rustc' (948) panicked at src/librustdoc/html/markdown.rs:534:22: [INFO] [stderr] a production-ready version of this should handle the error somehow: LatexError(2, MacroParameterOutsideCustomCommand) [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x72e13ec46d9b - <::print::DisplayBacktrace as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 1: 0x72e13f20ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 2: 0x72e13ec5dc36 - ::write_fmt [INFO] [stderr] 3: 0x72e13ec1ce48 - std[6281e874092a0dfc]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x72e13ec3a163 - std[6281e874092a0dfc]::panicking::default_hook [INFO] [stderr] 5: 0x72e13dc0ff8d - std[6281e874092a0dfc]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x72e13ec3a442 - std[6281e874092a0dfc]::panicking::panic_with_hook [INFO] [stderr] 7: 0x72e13ec1cf08 - std[6281e874092a0dfc]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x72e13ec11479 - std[6281e874092a0dfc]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x72e13ec1e96d - __rustc[670611b3f56fc7d7]::rust_begin_unwind [INFO] [stderr] 10: 0x72e13b8ce58c - core[37ab4a9f28f6fd13]::panicking::panic_fmt [INFO] [stderr] 11: 0x72e13b588b72 - core[37ab4a9f28f6fd13]::result::unwrap_failed [INFO] [stderr] 12: 0x5cfbf66ef51e - ::into_iter::{closure#0}>>>>, ::into_iter::{closure#1}::{closure#0}>>> as core[37ab4a9f28f6fd13]::iter::traits::iterator::Iterator>::next [INFO] [stderr] 13: 0x5cfbf6685c16 - ::into_iter::{closure#0}>>>>, ::into_iter::{closure#1}::{closure#0}>>>> as core[37ab4a9f28f6fd13]::iter::traits::iterator::Iterator>::next [INFO] [stderr] 14: 0x5cfbf64eb493 - ::into_iter::{closure#0}>>>>, ::into_iter::{closure#1}::{closure#0}>>>>, pulldown_cmark_escape[cb8658d251f4e39e]::FmtWriter<&mut core[37ab4a9f28f6fd13]::fmt::Formatter>>>::run [INFO] [stderr] 15: 0x5cfbf633ab80 - ::write_into::<&mut core[37ab4a9f28f6fd13]::fmt::Formatter> [INFO] [stderr] 16: 0x5cfbf66de521 - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 17: 0x72e13f20ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 18: 0x5cfbf66df5da - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 19: 0x72e13f20ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 20: 0x5cfbf66e05a5 - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 21: 0x72e13f20ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 22: 0x5cfbf66e576c - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 23: 0x72e13f20ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 24: 0x5cfbf62ff03d - ::render_into:: [INFO] [stderr] 25: 0x5cfbf66ea3f9 - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 26: 0x72e13f20ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 27: 0x5cfbf63d6c6a - rustdoc[7f40747ea455e46f]::html::layout::render::, core[37ab4a9f28f6fd13]::fmt::builders::FromFn<::render_item::{closure#1}>> [INFO] [stderr] 28: 0x5cfbf652ab85 - ::render_item [INFO] [stderr] 29: 0x5cfbf66c5a5e - ::item [INFO] [stderr] 30: 0x5cfbf63dfadc - rustdoc[7f40747ea455e46f]::formats::renderer::run_format_inner:: [INFO] [stderr] 31: 0x5cfbf63dfc8f - rustdoc[7f40747ea455e46f]::formats::renderer::run_format_inner:: [INFO] [stderr] 32: 0x5cfbf63dfc8f - rustdoc[7f40747ea455e46f]::formats::renderer::run_format_inner:: [INFO] [stderr] 33: 0x5cfbf63dfc8f - rustdoc[7f40747ea455e46f]::formats::renderer::run_format_inner:: [INFO] [stderr] 34: 0x5cfbf64a839f - rustdoc[7f40747ea455e46f]::main_args::{closure#2}::{closure#0} [INFO] [stderr] 35: 0x5cfbf649c100 - rustc_interface[7c235db06cadd779]::interface::run_compiler::<(), rustdoc[7f40747ea455e46f]::main_args::{closure#2}>::{closure#1} [INFO] [stderr] 36: 0x5cfbf63d5078 - std[6281e874092a0dfc]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 37: 0x5cfbf64cedf7 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[37ab4a9f28f6fd13]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 38: 0x72e14041dbac - ::new::thread_start [INFO] [stderr] 39: 0x72e139e4daa4 - [INFO] [stderr] 40: 0x72e139edaa64 - clone [INFO] [stderr] 41: 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_54_13-947.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 `femtorinth` [INFO] running `Command { std: "docker" "inspect" "2c1154b3a4d5d4101206701ca0e7f6b59f1657e531901d0804038fa91fd9f342", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c1154b3a4d5d4101206701ca0e7f6b59f1657e531901d0804038fa91fd9f342", kill_on_drop: false }` [INFO] [stdout] 2c1154b3a4d5d4101206701ca0e7f6b59f1657e531901d0804038fa91fd9f342