[INFO] fetching crate pgf2json 0.2.5... [INFO] documenting pgf2json-0.2.5 against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918 [INFO] extracting crate pgf2json 0.2.5 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate pgf2json 0.2.5 [INFO] finished tweaking crates.io crate pgf2json 0.2.5 [INFO] tweaked toml for crates.io crate pgf2json 0.2.5 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate pgf2json 0.2.5 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 pgf2json 0.2.5 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 28913af5631d50237b485534c865af953133df95d0156ec9bc6167e4449d4399 [INFO] running `Command { std: "docker" "start" "-a" "28913af5631d50237b485534c865af953133df95d0156ec9bc6167e4449d4399", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "28913af5631d50237b485534c865af953133df95d0156ec9bc6167e4449d4399", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28913af5631d50237b485534c865af953133df95d0156ec9bc6167e4449d4399", kill_on_drop: false }` [INFO] [stdout] 28913af5631d50237b485534c865af953133df95d0156ec9bc6167e4449d4399 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c8dbb634c2f021db9c072891201b0355081ca9ed8773ad41e14ef9aef6c4d663 [INFO] running `Command { std: "docker" "start" "-a" "c8dbb634c2f021db9c072891201b0355081ca9ed8773ad41e14ef9aef6c4d663", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling serde_json v1.0.143 [INFO] [stderr] Checking hashbrown v0.15.5 [INFO] [stderr] Checking indexmap v2.11.1 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Checking thiserror v1.0.69 [INFO] [stderr] Checking serde v1.0.219 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Documenting pgf2json v0.2.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: unresolved link to `Object` [INFO] [stdout] --> src/lib.rs:45:42 [INFO] [stdout] | [INFO] [stdout] 45 | //! We say that the field is of type [`Object`] if it contains a list of objects [INFO] [stdout] | ^^^^^^ no item named `Object` in scope [INFO] [stdout] | [INFO] [stdout] = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]` [INFO] [stdout] = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unresolved link to `Flag` [INFO] [stdout] --> src/lib.rs:61:9 [INFO] [stdout] | [INFO] [stdout] 61 | //! | [`Flag`] | global flags | [INFO] [stdout] | ^^^^ no item named `Flag` in scope [INFO] [stdout] | [INFO] [stdout] = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unresolved link to `Flag` [INFO] [stdout] --> src/lib.rs:89:9 [INFO] [stdout] | [INFO] [stdout] 89 | //! | [`Flag`] | a list of flags | [INFO] [stdout] | ^^^^ no item named `Flag` in scope [INFO] [stdout] | [INFO] [stdout] = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unresolved link to `AbsFun` [INFO] [stdout] --> src/lib.rs:90:9 [INFO] [stdout] | [INFO] [stdout] 90 | //! | [`AbsFun`] | a list of abstract functions | [INFO] [stdout] | ^^^^^^ no item named `AbsFun` in scope [INFO] [stdout] | [INFO] [stdout] = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unresolved link to `AbsCat` [INFO] [stdout] --> src/lib.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | //! | [`AbsCat`] | a list of abstract categories | [INFO] [stdout] | ^^^^^^ no item named `AbsCat` in scope [INFO] [stdout] | [INFO] [stdout] = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unresolved link to `CatFun` [INFO] [stdout] --> src/lib.rs:123:9 [INFO] [stdout] | [INFO] [stdout] 123 | //! | [`CatFun`] | a list of functions in source-code order | [INFO] [stdout] | ^^^^^^ no item named `CatFun` in scope [INFO] [stdout] | [INFO] [stdout] = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unresolved link to `Expression` [INFO] [stdout] --> src/lib.rs:150:9 [INFO] [stdout] | [INFO] [stdout] 150 | //! | [`Expression`] | indices in the return type | [INFO] [stdout] | ^^^^^^^^^^ no item named `Expression` in scope [INFO] [stdout] | [INFO] [stdout] = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unresolved link to `Flag` [INFO] [stdout] --> src/lib.rs:338:9 [INFO] [stdout] | [INFO] [stdout] 338 | //! | [`Flag`] | a list of flags | [INFO] [stdout] | ^^^^ no item named `Flag` in scope [INFO] [stdout] | [INFO] [stdout] = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unresolved link to `Sequence` [INFO] [stdout] --> src/lib.rs:340:9 [INFO] [stdout] | [INFO] [stdout] 340 | //! | [`Sequence`] | a table with sequences (Section 2.8.1) | [INFO] [stdout] | ^^^^^^^^ no item named `Sequence` in scope [INFO] [stdout] | [INFO] [stdout] = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: public documentation for `pgf2json` links to private item `ProductionSet` [INFO] [stdout] --> src/lib.rs:343:9 [INFO] [stdout] | [INFO] [stdout] 343 | //! | [`ProductionSet`] | a list of production sets | [INFO] [stdout] | ^^^^^^^^^^^^^ this item is private [INFO] [stdout] | [INFO] [stdout] = note: this link resolves only because you passed `--document-private-items`, but will break without [INFO] [stdout] = note: `#[warn(rustdoc::private_intra_doc_links)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unresolved link to `Alternative` [INFO] [stdout] --> src/lib.rs:413:9 [INFO] [stdout] | [INFO] [stdout] 413 | //! | [`Alternative`] | a sequence of alternatives | [INFO] [stdout] | ^^^^^^^^^^^ no item named `Alternative` in scope [INFO] [stdout] | [INFO] [stdout] = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unresolved link to `Int` [INFO] [stdout] --> src/lib.rs:442:9 [INFO] [stdout] | [INFO] [stdout] 442 | //! | [`Int`] | list of indices into the sequences array | [INFO] [stdout] | ^^^ no item named `Int` in scope [INFO] [stdout] | [INFO] [stdout] = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unresolved link to `Int` [INFO] [stdout] --> src/lib.rs:453:9 [INFO] [stdout] | [INFO] [stdout] 453 | //! | [`Int`] | a list of concrete functions | [INFO] [stdout] | ^^^ no item named `Int` in scope [INFO] [stdout] | [INFO] [stdout] = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unresolved link to `Int` [INFO] [stdout] --> src/lib.rs:495:9 [INFO] [stdout] | [INFO] [stdout] 495 | //! | [`Int`] | the categories of the high-order arguments (Section 2.7) | [INFO] [stdout] | ^^^ no item named `Int` in scope [INFO] [stdout] | [INFO] [stdout] = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [INFO] [stderr] thread 'rustc' (192) panicked at src/librustdoc/html/markdown.rs:534:22: [INFO] [stderr] a production-ready version of this should handle the error somehow: LatexError(2, BoundFollowedByBound) [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x76630b846d9b - <::print::DisplayBacktrace as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 1: 0x76630be0ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 2: 0x76630b85dc36 - ::write_fmt [INFO] [stderr] 3: 0x76630b81ce48 - std[6281e874092a0dfc]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x76630b83a163 - std[6281e874092a0dfc]::panicking::default_hook [INFO] [stderr] 5: 0x76630a80ff8d - std[6281e874092a0dfc]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x76630b83a442 - std[6281e874092a0dfc]::panicking::panic_with_hook [INFO] [stderr] 7: 0x76630b81cf08 - std[6281e874092a0dfc]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x76630b811479 - std[6281e874092a0dfc]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x76630b81e96d - __rustc[670611b3f56fc7d7]::rust_begin_unwind [INFO] [stderr] 10: 0x7663084ce58c - core[37ab4a9f28f6fd13]::panicking::panic_fmt [INFO] [stderr] 11: 0x766308188b72 - core[37ab4a9f28f6fd13]::result::unwrap_failed [INFO] [stderr] 12: 0x580deedfd51e - ::into_iter::{closure#0}>>>>, ::into_iter::{closure#1}::{closure#0}>>> as core[37ab4a9f28f6fd13]::iter::traits::iterator::Iterator>::next [INFO] [stderr] 13: 0x580deed93c16 - ::into_iter::{closure#0}>>>>, ::into_iter::{closure#1}::{closure#0}>>>> as core[37ab4a9f28f6fd13]::iter::traits::iterator::Iterator>::next [INFO] [stderr] 14: 0x580deebf9493 - ::into_iter::{closure#0}>>>>, ::into_iter::{closure#1}::{closure#0}>>>>, pulldown_cmark_escape[cb8658d251f4e39e]::FmtWriter<&mut core[37ab4a9f28f6fd13]::fmt::Formatter>>>::run [INFO] [stderr] 15: 0x580deea48b80 - ::write_into::<&mut core[37ab4a9f28f6fd13]::fmt::Formatter> [INFO] [stderr] 16: 0x580deedec521 - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 17: 0x76630be0ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 18: 0x580deeded55a - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 19: 0x76630be0ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 20: 0x580deedee5a5 - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 21: 0x76630be0ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 22: 0x580deedef424 - as core[37ab4a9f28f6fd13]::fmt::Display>::fmt [INFO] [stderr] 23: 0x76630be0ef88 - core[37ab4a9f28f6fd13]::fmt::write [INFO] [stderr] 24: 0x580deeae4e0c - rustdoc[7f40747ea455e46f]::html::layout::render::, core[37ab4a9f28f6fd13]::fmt::builders::FromFn<::render_item::{closure#1}>> [INFO] [stderr] 25: 0x580deec38b85 - ::render_item [INFO] [stderr] 26: 0x580deedd1108 - ::mod_item_in [INFO] [stderr] 27: 0x580deeaedc1b - rustdoc[7f40747ea455e46f]::formats::renderer::run_format_inner:: [INFO] [stderr] 28: 0x580deebb639f - rustdoc[7f40747ea455e46f]::main_args::{closure#2}::{closure#0} [INFO] [stderr] 29: 0x580deebaa100 - rustc_interface[7c235db06cadd779]::interface::run_compiler::<(), rustdoc[7f40747ea455e46f]::main_args::{closure#2}>::{closure#1} [INFO] [stderr] 30: 0x580deeae3078 - std[6281e874092a0dfc]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 31: 0x580deebdcdf7 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[37ab4a9f28f6fd13]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 32: 0x76630d01dbac - ::new::thread_start [INFO] [stderr] 33: 0x766306a8aaa4 - [INFO] [stderr] 34: 0x766306b17a64 - clone [INFO] [stderr] 35: 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-2026-02-07T22_36_28-191.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 `pgf2json` [INFO] running `Command { std: "docker" "inspect" "c8dbb634c2f021db9c072891201b0355081ca9ed8773ad41e14ef9aef6c4d663", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8dbb634c2f021db9c072891201b0355081ca9ed8773ad41e14ef9aef6c4d663", kill_on_drop: false }` [INFO] [stdout] c8dbb634c2f021db9c072891201b0355081ca9ed8773ad41e14ef9aef6c4d663