[INFO] fetching crate r2rs-base 0.1.1... [INFO] documenting r2rs-base-0.1.1 against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918-2 [INFO] extracting crate r2rs-base 0.1.1 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate r2rs-base 0.1.1 [INFO] finished tweaking crates.io crate r2rs-base 0.1.1 [INFO] tweaked toml for crates.io crate r2rs-base 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate r2rs-base 0.1.1 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] 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 218 packages to latest compatible versions [INFO] [stderr] Adding itertools v0.12.1 (available: v0.14.0) [INFO] [stderr] Adding nalgebra v0.32.6 (available: v0.34.1) [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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e8c0380d77e6b7bc634a78d9f3a58fb26c46a89191ee7363e236b5fc53348c9e [INFO] running `Command { std: "docker" "start" "-a" "e8c0380d77e6b7bc634a78d9f3a58fb26c46a89191ee7363e236b5fc53348c9e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e8c0380d77e6b7bc634a78d9f3a58fb26c46a89191ee7363e236b5fc53348c9e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8c0380d77e6b7bc634a78d9f3a58fb26c46a89191ee7363e236b5fc53348c9e", kill_on_drop: false }` [INFO] [stdout] e8c0380d77e6b7bc634a78d9f3a58fb26c46a89191ee7363e236b5fc53348c9e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 8d159b82187e029383624bb28f5c6ac20747d0141c50e4ed5b3e9929a5693fa2 [INFO] running `Command { std: "docker" "start" "-a" "8d159b82187e029383624bb28f5c6ac20747d0141c50e4ed5b3e9929a5693fa2", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.106 [INFO] [stderr] Compiling quote v1.0.44 [INFO] [stderr] Compiling unicode-ident v1.0.23 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling version_check v0.9.5 [INFO] [stderr] Compiling libc v0.2.181 [INFO] [stderr] Checking cfg-if v1.0.4 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Checking memchr v2.8.0 [INFO] [stderr] Compiling getrandom v0.3.4 [INFO] [stderr] Compiling rayon-core v1.13.0 [INFO] [stderr] Checking bitflags v2.10.0 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling target-features v0.1.6 [INFO] [stderr] Compiling zerocopy v0.8.39 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking aho-corasick v1.1.4 [INFO] [stderr] Compiling ahash v0.8.12 [INFO] [stderr] Checking crossbeam-deque v0.8.6 [INFO] [stderr] Checking either v1.15.0 [INFO] [stderr] Checking array-init-cursor v0.2.1 [INFO] [stderr] Compiling syn v2.0.114 [INFO] [stderr] Checking regex-syntax v0.8.9 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Checking planus v0.3.1 [INFO] [stderr] Compiling smartstring v1.0.1 [INFO] [stderr] Checking once_cell v1.21.3 [INFO] [stderr] Checking rayon v1.11.0 [INFO] [stderr] Compiling polars-utils v0.38.3 [INFO] [stderr] Checking simdutf8 v0.1.5 [INFO] [stderr] Checking equivalent v1.0.2 [INFO] [stderr] Checking iana-time-zone v0.1.65 [INFO] [stderr] Checking allocator-api2 v0.2.21 [INFO] [stderr] Checking hashbrown v0.16.1 [INFO] [stderr] Checking chrono v0.4.43 [INFO] [stderr] Checking indexmap v2.13.0 [INFO] [stderr] Checking regex-automata v0.4.14 [INFO] [stderr] Checking raw-cpuid v11.6.0 [INFO] [stderr] Compiling polars-arrow v0.38.3 [INFO] [stderr] Compiling parking_lot_core v0.9.12 [INFO] [stderr] Checking itoa v1.0.17 [INFO] [stderr] Checking strength_reduce v0.2.4 [INFO] [stderr] Compiling rustix v1.1.3 [INFO] [stderr] Checking dyn-clone v1.0.20 [INFO] [stderr] Checking smallvec v1.15.1 [INFO] [stderr] Checking ethnum v1.5.2 [INFO] [stderr] Checking foreign_vec v0.1.0 [INFO] [stderr] Checking fast-float v0.2.0 [INFO] [stderr] Checking streaming-iterator v0.1.9 [INFO] [stderr] Checking ryu v1.0.23 [INFO] [stderr] Checking atoi_simd v0.15.6 [INFO] [stderr] Checking lock_api v0.4.14 [INFO] [stderr] Compiling litrs v1.0.0 [INFO] [stderr] Checking linux-raw-sys v0.11.0 [INFO] [stderr] Checking parking_lot v0.12.5 [INFO] [stderr] Compiling polars-compute v0.38.3 [INFO] [stderr] Compiling polars-core v0.38.3 [INFO] [stderr] Checking regex v1.12.3 [INFO] [stderr] Checking unicode-segmentation v1.12.0 [INFO] [stderr] Compiling document-features v0.2.12 [INFO] [stderr] Checking unicode-width v0.2.2 [INFO] [stderr] Compiling polars-ops v0.38.3 [INFO] [stderr] Checking xxhash-rust v0.8.15 [INFO] [stderr] Checking argminmax v0.6.3 [INFO] [stderr] Checking now v0.1.3 [INFO] [stderr] Checking atoi v2.0.0 [INFO] [stderr] Compiling matrixmultiply v0.3.10 [INFO] [stderr] Compiling typenum v1.19.0 [INFO] [stderr] Checking fallible-streaming-iterator v0.1.9 [INFO] [stderr] Checking memmap2 v0.7.1 [INFO] [stderr] Checking crossterm v0.29.0 [INFO] [stderr] Checking streaming-decompression v0.1.2 [INFO] [stderr] Checking approx v0.5.1 [INFO] [stderr] Checking num-complex v0.4.6 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Compiling polars v0.38.3 [INFO] [stderr] Checking comfy-table v7.2.2 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Compiling radium v0.7.0 [INFO] [stderr] Checking percent-encoding v2.3.2 [INFO] [stderr] Checking home v0.5.12 [INFO] [stderr] Compiling seq-macro v0.3.6 [INFO] [stderr] Checking parquet-format-safe v0.2.4 [INFO] [stderr] Checking bytes v1.11.1 [INFO] [stderr] Checking num-rational v0.4.2 [INFO] [stderr] Checking hashbrown v0.14.5 [INFO] [stderr] Checking dtoa v1.0.11 [INFO] [stderr] Checking tap v1.0.1 [INFO] [stderr] Checking numfmt v1.2.0 [INFO] [stderr] Checking wyz v0.5.1 [INFO] [stderr] Compiling bytemuck_derive v1.10.2 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling nalgebra-macros v0.2.2 [INFO] [stderr] Checking funty v2.0.0 [INFO] [stderr] Checking strafe-error v0.1.1 [INFO] [stderr] Compiling convert_case v0.4.0 [INFO] [stderr] Compiling hexf-parse v0.2.1 [INFO] [stderr] Checking strafe-consts v0.1.1 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking log v0.4.29 [INFO] [stderr] Checking itertools v0.12.1 [INFO] [stderr] Compiling multiversion-macros v0.7.4 [INFO] [stderr] Compiling derive_more v0.99.20 [INFO] [stderr] Compiling hexf v0.2.1 [INFO] [stderr] Checking bitvec v1.0.1 [INFO] [stderr] Checking bytemuck v1.25.0 [INFO] [stderr] Checking safe_arch v0.7.4 [INFO] [stderr] Checking wide v0.7.33 [INFO] [stderr] Checking multiversion v0.7.4 [INFO] [stderr] Checking nonstdfloat v0.1.1 [INFO] [stderr] Checking simba v0.8.1 [INFO] [stderr] Checking polars-arrow-format v0.1.0 [INFO] [stderr] Checking polars-error v0.38.3 [INFO] [stderr] Checking nalgebra v0.32.6 [INFO] [stderr] Checking polars-row v0.38.3 [INFO] [stderr] Checking polars-parquet v0.38.3 [INFO] [stderr] Checking polars-time v0.38.3 [INFO] [stderr] Checking polars-io v0.38.3 [INFO] [stderr] Checking strafe-type v0.1.1 [INFO] [stderr] Checking strafe-trait v0.1.1 [INFO] [stderr] Checking r2rs-nmath v0.1.1 [INFO] [stderr] Documenting r2rs-base v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `enable_proptest` [INFO] [stdout] --> src/func/mod.rs:23:17 [INFO] [stdout] | [INFO] [stdout] 23 | #[cfg(all(test, feature = "enable_proptest"))] [INFO] [stdout] | ^^^^^^^^^^----------------- [INFO] [stdout] | | [INFO] [stdout] | help: there is a expected value with a similar name: `"enable_covtest"` [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `enable_covtest` [INFO] [stdout] = help: consider adding `enable_proptest` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `tarpaulin_include` [INFO] [stdout] --> src/func/psort.rs:21:11 [INFO] [stdout] | [INFO] [stdout] 21 | #[cfg(not(tarpaulin_include))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tarpaulin_include)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tarpaulin_include)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `enable_proptest` [INFO] [stdout] --> src/traits/stat_slice/mod.rs:1026:17 [INFO] [stdout] | [INFO] [stdout] 1026 | #[cfg(all(test, feature = "enable_proptest"))] [INFO] [stdout] | ^^^^^^^^^^----------------- [INFO] [stdout] | | [INFO] [stdout] | help: there is a expected value with a similar name: `"enable_covtest"` [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `enable_covtest` [INFO] [stdout] = help: consider adding `enable_proptest` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [INFO] [stderr] thread 'rustc' (1596) panicked at src/librustdoc/html/markdown.rs:534:22: [INFO] [stderr] a production-ready version of this should handle the error somehow: LatexError(28, UnknownCommand("[")) [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7289d9246d9b - <::print::DisplayBacktrace as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 1: 0x7289d980ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 2: 0x7289d925dc36 - ::write_fmt [INFO] [stderr] 3: 0x7289d921ce48 - std[6281e874092a0dfc]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x7289d923a163 - std[6281e874092a0dfc]::panicking::default_hook [INFO] [stderr] 5: 0x7289d820ff8d - std[6281e874092a0dfc]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x7289d923a442 - std[6281e874092a0dfc]::panicking::panic_with_hook [INFO] [stderr] 7: 0x7289d921cf08 - std[6281e874092a0dfc]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x7289d9211479 - std[6281e874092a0dfc]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x7289d921e96d - __rustc[670611b3f56fc7d7]::rust_begin_unwind [INFO] [stderr] 10: 0x7289d5ece58c - core[37ab4a9f28f6fd13]::panicking::panic_fmt [INFO] [stderr] 11: 0x7289d5b88b72 - core[37ab4a9f28f6fd13]::result::unwrap_failed [INFO] [stderr] 12: 0x5ae71a79651e - ::into_iter::{closure#0}>>>>, ::into_iter::{closure#1}::{closure#0}>>> as core[37ab4a9f28f6fd13]::iter::traits::iterator::Iterator>::next [INFO] [stderr] 13: 0x5ae71a72cc16 - ::into_iter::{closure#0}>>>>, ::into_iter::{closure#1}::{closure#0}>>>> as core[37ab4a9f28f6fd13]::iter::traits::iterator::Iterator>::next [INFO] [stderr] 14: 0x5ae71a592493 - ::into_iter::{closure#0}>>>>, ::into_iter::{closure#1}::{closure#0}>>>>, pulldown_cmark_escape[cb8658d251f4e39e]::FmtWriter<&mut core[37ab4a9f28f6fd13]::fmt::Formatter>>>::run [INFO] [stderr] 15: 0x5ae71a3e1b80 - ::write_into::<&mut core[37ab4a9f28f6fd13]::fmt::Formatter> [INFO] [stderr] 16: 0x5ae71a785521 - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 17: 0x7289d980ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 18: 0x5ae71a78655a - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 19: 0x7289d980ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 20: 0x5ae71a7875a5 - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 21: 0x7289d980ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 22: 0x5ae71a78c04a - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 23: 0x7289d980ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 24: 0x5ae71a47da44 - rustdoc[7f40747ea455e46f]::html::layout::render::, core[37ab4a9f28f6fd13]::fmt::builders::FromFn<::render_item::{closure#1}>> [INFO] [stderr] 25: 0x5ae71a5d1b85 - ::render_item [INFO] [stderr] 26: 0x5ae71a76ca5e - ::item [INFO] [stderr] 27: 0x5ae71a486adc - rustdoc[7f40747ea455e46f]::formats::renderer::run_format_inner:: [INFO] [stderr] 28: 0x5ae71a486c8f - rustdoc[7f40747ea455e46f]::formats::renderer::run_format_inner:: [INFO] [stderr] 29: 0x5ae71a486c8f - rustdoc[7f40747ea455e46f]::formats::renderer::run_format_inner:: [INFO] [stderr] 30: 0x5ae71a486c8f - rustdoc[7f40747ea455e46f]::formats::renderer::run_format_inner:: [INFO] [stderr] 31: 0x5ae71a54f39f - rustdoc[7f40747ea455e46f]::main_args::{closure#2}::{closure#0} [INFO] [stderr] 32: 0x5ae71a543100 - rustc_interface[7c235db06cadd779]::interface::run_compiler::<(), rustdoc[7f40747ea455e46f]::main_args::{closure#2}>::{closure#1} [INFO] [stderr] 33: 0x5ae71a47c078 - std[6281e874092a0dfc]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 34: 0x5ae71a575df7 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[37ab4a9f28f6fd13]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 35: 0x7289daa1dbac - ::new::thread_start [INFO] [stderr] 36: 0x7289d448aaa4 - [INFO] [stderr] 37: 0x7289d4517a64 - clone [INFO] [stderr] 38: 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_37_44-1595.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 `r2rs-base` [INFO] running `Command { std: "docker" "inspect" "8d159b82187e029383624bb28f5c6ac20747d0141c50e4ed5b3e9929a5693fa2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d159b82187e029383624bb28f5c6ac20747d0141c50e4ed5b3e9929a5693fa2", kill_on_drop: false }` [INFO] [stdout] 8d159b82187e029383624bb28f5c6ac20747d0141c50e4ed5b3e9929a5693fa2