[INFO] fetching crate ucp-schema 0.1.0...
[INFO] documenting ucp-schema-0.1.0 against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918
[INFO] extracting crate ucp-schema 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate ucp-schema 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ucp-schema 0.1.0
[INFO] tweaked toml for crates.io crate ucp-schema 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ucp-schema 0.1.0 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 ucp-schema 0.1.0 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a857c40f55d689dccab8bfa3d5405cb3a9ad781057c4b63c9c1919a70496af98
[INFO] running `Command { std: "docker" "start" "-a" "a857c40f55d689dccab8bfa3d5405cb3a9ad781057c4b63c9c1919a70496af98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a857c40f55d689dccab8bfa3d5405cb3a9ad781057c4b63c9c1919a70496af98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a857c40f55d689dccab8bfa3d5405cb3a9ad781057c4b63c9c1919a70496af98", kill_on_drop: false }`
[INFO] [stdout] a857c40f55d689dccab8bfa3d5405cb3a9ad781057c4b63c9c1919a70496af98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 39e8012953fed15ab3659db18c238947cd7e67686289d073fce91a5fcb5ab98d
[INFO] running `Command { std: "docker" "start" "-a" "39e8012953fed15ab3659db18c238947cd7e67686289d073fce91a5fcb5ab98d", kill_on_drop: false }`
[INFO] [stderr]    Compiling find-msvc-tools v0.1.8
[INFO] [stderr]     Checking http v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking tokio v1.49.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling zmij v1.0.16
[INFO] [stderr]     Checking icu_normalizer v2.1.1
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling zerocopy v0.8.33
[INFO] [stderr]    Compiling ref-cast-impl v1.0.25
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking bit-vec v0.8.0
[INFO] [stderr]     Checking borrow-or-share v0.2.4
[INFO] [stderr]     Checking iri-string v0.7.10
[INFO] [stderr]     Checking rustls-pki-types v1.14.0
[INFO] [stderr]     Checking clap_lex v0.7.7
[INFO] [stderr]     Checking bit-set v0.8.0
[INFO] [stderr]     Checking vsimd v0.8.0
[INFO] [stderr]     Checking outref v0.5.2
[INFO] [stderr]    Compiling cc v1.2.54
[INFO] [stderr]     Checking uuid v1.19.0
[INFO] [stderr]    Compiling clap_derive v4.5.49
[INFO] [stderr]     Checking clap_builder v4.5.54
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking ref-cast v1.0.25
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]     Checking num-cmp v0.1.0
[INFO] [stderr]     Checking url v2.5.8
[INFO] [stderr]     Checking uuid-simd v0.8.0
[INFO] [stderr]     Checking bytecount v0.6.9
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking num-integer v0.1.46
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[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking thiserror v2.0.18
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]    Compiling openssl-sys v0.9.111
[INFO] [stderr]    Compiling openssl v0.10.75
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]     Checking clap v4.5.54
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking fraction v0.15.3
[INFO] [stderr]     Checking tokio-util v0.7.18
[INFO] [stderr]     Checking tower v0.5.3
[INFO] [stderr]     Checking fluent-uri v0.3.2
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking email_address v0.2.9
[INFO] [stderr]     Checking tower-http v0.6.8
[INFO] [stderr]     Checking referencing v0.26.2
[INFO] [stderr]     Checking h2 v0.4.13
[INFO] [stderr]     Checking fancy-regex v0.14.0
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking hyper v1.8.1
[INFO] [stderr]     Checking hyper-util v0.1.19
[INFO] [stderr]     Checking hyper-tls v0.6.0
[INFO] [stderr]     Checking reqwest v0.12.28
[INFO] [stderr]     Checking jsonschema v0.26.2
[INFO] [stderr]  Documenting ucp-schema v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `root`
[INFO] [stdout]    --> src/compose.rs:236:43
[INFO] [stdout]     |
[INFO] [stdout] 236 | /// 3. Fetches schemas and extracts $defs[root] entries
[INFO] [stdout]     |                                           ^^^^ no item named `root` 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: this URL is not a hyperlink
[INFO] [stdout]    --> src/compose.rs:529:12
[INFO] [stdout]     |
[INFO] [stdout] 529 | /// E.g., "https://ucp.dev/schemas/shopping/checkout.json" -> "/schemas/shopping/checkout.json"
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout]     = note: `#[warn(rustdoc::bare_urls)]` on by default
[INFO] [stdout] help: use an automatic link instead
[INFO] [stdout]     |
[INFO] [stdout] 529 | /// E.g., "<https://ucp.dev/schemas/shopping/checkout.json>" -> "/schemas/shopping/checkout.json"
[INFO] [stdout]     |            +                                              +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] thread 'rustc' (683) panicked at src/librustdoc/html/markdown.rs:534:22:
[INFO] [stderr] a production-ready version of this should handle the error somehow: LatexError(45, MacroParameterOutsideCustomCommand)
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x7646dd846d9b - <<std[6281e874092a0dfc]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[37ab4a9f28f6fd13]::fmt::Display>::fmt
[INFO] [stderr]    1:     0x7646dde0ef88 - core[37ab4a9f28f6fd13]::fmt::write
[INFO] [stderr]    2:     0x7646dd85dc36 - <std[6281e874092a0dfc]::sys::stdio::unix::Stderr as std[6281e874092a0dfc]::io::Write>::write_fmt
[INFO] [stderr]    3:     0x7646dd81ce48 - std[6281e874092a0dfc]::panicking::default_hook::{closure#0}
[INFO] [stderr]    4:     0x7646dd83a163 - std[6281e874092a0dfc]::panicking::default_hook
[INFO] [stderr]    5:     0x7646dc80ff8d - std[6281e874092a0dfc]::panicking::update_hook::<alloc[56313f94ec8c6695]::boxed::Box<rustc_driver_impl[3f098eb6bc26bcd1]::install_ice_hook::{closure#1}>>::{closure#0}
[INFO] [stderr]    6:     0x7646dd83a442 - std[6281e874092a0dfc]::panicking::panic_with_hook
[INFO] [stderr]    7:     0x7646dd81cf08 - std[6281e874092a0dfc]::panicking::panic_handler::{closure#0}
[INFO] [stderr]    8:     0x7646dd811479 - std[6281e874092a0dfc]::sys::backtrace::__rust_end_short_backtrace::<std[6281e874092a0dfc]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]    9:     0x7646dd81e96d - __rustc[670611b3f56fc7d7]::rust_begin_unwind
[INFO] [stderr]   10:     0x7646da4ce58c - core[37ab4a9f28f6fd13]::panicking::panic_fmt
[INFO] [stderr]   11:     0x7646da188b72 - core[37ab4a9f28f6fd13]::result::unwrap_failed
[INFO] [stderr]   12:     0x5bbbf28dd51e - <rustdoc[7f40747ea455e46f]::html::markdown::Math<rustdoc[7f40747ea455e46f]::html::markdown::TableWrapper<core[37ab4a9f28f6fd13]::iter::adapters::map::Map<rustdoc[7f40747ea455e46f]::html::markdown::footnotes::Footnotes<rustdoc[7f40747ea455e46f]::html::markdown::SpannedLinkReplacer<rustdoc[7f40747ea455e46f]::html::markdown::HeadingLinks<pulldown_cmark[baa249b750500f7c]::parse::OffsetIter<<rustdoc[7f40747ea455e46f]::html::markdown::Markdown>::into_iter::{closure#0}>>>>, <rustdoc[7f40747ea455e46f]::html::markdown::Markdown>::into_iter::{closure#1}::{closure#0}>>> as core[37ab4a9f28f6fd13]::iter::traits::iterator::Iterator>::next
[INFO] [stderr]   13:     0x5bbbf2873c16 - <rustdoc[7f40747ea455e46f]::html::markdown::CodeBlocks<rustdoc[7f40747ea455e46f]::html::markdown::Math<rustdoc[7f40747ea455e46f]::html::markdown::TableWrapper<core[37ab4a9f28f6fd13]::iter::adapters::map::Map<rustdoc[7f40747ea455e46f]::html::markdown::footnotes::Footnotes<rustdoc[7f40747ea455e46f]::html::markdown::SpannedLinkReplacer<rustdoc[7f40747ea455e46f]::html::markdown::HeadingLinks<pulldown_cmark[baa249b750500f7c]::parse::OffsetIter<<rustdoc[7f40747ea455e46f]::html::markdown::Markdown>::into_iter::{closure#0}>>>>, <rustdoc[7f40747ea455e46f]::html::markdown::Markdown>::into_iter::{closure#1}::{closure#0}>>>> as core[37ab4a9f28f6fd13]::iter::traits::iterator::Iterator>::next
[INFO] [stderr]   14:     0x5bbbf26d9493 - <pulldown_cmark[baa249b750500f7c]::html::HtmlWriter<rustdoc[7f40747ea455e46f]::html::markdown::CodeBlocks<rustdoc[7f40747ea455e46f]::html::markdown::Math<rustdoc[7f40747ea455e46f]::html::markdown::TableWrapper<core[37ab4a9f28f6fd13]::iter::adapters::map::Map<rustdoc[7f40747ea455e46f]::html::markdown::footnotes::Footnotes<rustdoc[7f40747ea455e46f]::html::markdown::SpannedLinkReplacer<rustdoc[7f40747ea455e46f]::html::markdown::HeadingLinks<pulldown_cmark[baa249b750500f7c]::parse::OffsetIter<<rustdoc[7f40747ea455e46f]::html::markdown::Markdown>::into_iter::{closure#0}>>>>, <rustdoc[7f40747ea455e46f]::html::markdown::Markdown>::into_iter::{closure#1}::{closure#0}>>>>, pulldown_cmark_escape[cb8658d251f4e39e]::FmtWriter<&mut core[37ab4a9f28f6fd13]::fmt::Formatter>>>::run
[INFO] [stderr]   15:     0x5bbbf2528b80 - <rustdoc[7f40747ea455e46f]::html::markdown::Markdown>::write_into::<&mut core[37ab4a9f28f6fd13]::fmt::Formatter>
[INFO] [stderr]   16:     0x5bbbf28cc521 - <core[37ab4a9f28f6fd13]::fmt::builders::FromFn<rustdoc[7f40747ea455e46f]::html::render::render_markdown::{closure#0}> as core[37ab4a9f28f6fd13]::fmt::Display>::fmt
[INFO] [stderr]   17:     0x7646dde0ef88 - core[37ab4a9f28f6fd13]::fmt::write
[INFO] [stderr]   18:     0x5bbbf28cd55a - <core[37ab4a9f28f6fd13]::fmt::builders::FromFn<rustdoc[7f40747ea455e46f]::html::render::document_full_inner::{closure#0}> as core[37ab4a9f28f6fd13]::fmt::Display>::fmt
[INFO] [stderr]   19:     0x7646dde0ef88 - core[37ab4a9f28f6fd13]::fmt::write
[INFO] [stderr]   20:     0x5bbbf28ce5a5 - <core[37ab4a9f28f6fd13]::fmt::builders::FromFn<rustdoc[7f40747ea455e46f]::html::render::document::{closure#0}> as core[37ab4a9f28f6fd13]::fmt::Display>::fmt
[INFO] [stderr]   21:     0x7646dde0ef88 - core[37ab4a9f28f6fd13]::fmt::write
[INFO] [stderr]   22:     0x5bbbf28d304a - <core[37ab4a9f28f6fd13]::fmt::builders::FromFn<rustdoc[7f40747ea455e46f]::html::render::print_item::item_function::{closure#0}> as core[37ab4a9f28f6fd13]::fmt::Display>::fmt
[INFO] [stderr]   23:     0x7646dde0ef88 - core[37ab4a9f28f6fd13]::fmt::write
[INFO] [stderr]   24:     0x5bbbf25c4a44 - rustdoc[7f40747ea455e46f]::html::layout::render::<core[37ab4a9f28f6fd13]::fmt::builders::FromFn<rustdoc[7f40747ea455e46f]::html::render::print_item::print_item::{closure#0}>, core[37ab4a9f28f6fd13]::fmt::builders::FromFn<<rustdoc[7f40747ea455e46f]::html::render::context::Context>::render_item::{closure#1}>>
[INFO] [stderr]   25:     0x5bbbf2718b85 - <rustdoc[7f40747ea455e46f]::html::render::context::Context>::render_item
[INFO] [stderr]   26:     0x5bbbf28b3a5e - <rustdoc[7f40747ea455e46f]::html::render::context::Context as rustdoc[7f40747ea455e46f]::formats::renderer::FormatRenderer>::item
[INFO] [stderr]   27:     0x5bbbf25cdadc - rustdoc[7f40747ea455e46f]::formats::renderer::run_format_inner::<rustdoc[7f40747ea455e46f]::html::render::context::Context>
[INFO] [stderr]   28:     0x5bbbf25cdc8f - rustdoc[7f40747ea455e46f]::formats::renderer::run_format_inner::<rustdoc[7f40747ea455e46f]::html::render::context::Context>
[INFO] [stderr]   29:     0x5bbbf25cdc8f - rustdoc[7f40747ea455e46f]::formats::renderer::run_format_inner::<rustdoc[7f40747ea455e46f]::html::render::context::Context>
[INFO] [stderr]   30:     0x5bbbf269639f - rustdoc[7f40747ea455e46f]::main_args::{closure#2}::{closure#0}
[INFO] [stderr]   31:     0x5bbbf268a100 - rustc_interface[7c235db06cadd779]::interface::run_compiler::<(), rustdoc[7f40747ea455e46f]::main_args::{closure#2}>::{closure#1}
[INFO] [stderr]   32:     0x5bbbf25c3078 - std[6281e874092a0dfc]::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface[7c235db06cadd779]::util::run_in_thread_with_globals<rustc_interface[7c235db06cadd779]::util::run_in_thread_pool_with_globals<rustc_interface[7c235db06cadd779]::interface::run_compiler<(), rustdoc[7f40747ea455e46f]::main_args::{closure#2}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>
[INFO] [stderr]   33:     0x5bbbf26bcdf7 - <std[6281e874092a0dfc]::thread::lifecycle::spawn_unchecked<rustc_interface[7c235db06cadd779]::util::run_in_thread_with_globals<rustc_interface[7c235db06cadd779]::util::run_in_thread_pool_with_globals<rustc_interface[7c235db06cadd779]::interface::run_compiler<(), rustdoc[7f40747ea455e46f]::main_args::{closure#2}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[37ab4a9f28f6fd13]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]   34:     0x7646df01dbac - <std[6281e874092a0dfc]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stderr]   35:     0x7646d8a8aaa4 - <unknown>
[INFO] [stderr]   36:     0x7646d8b17a64 - clone
[INFO] [stderr]   37:                0x0 - <unknown>
[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-2026-02-08T00_33_50-682.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 `ucp-schema`
[INFO] running `Command { std: "docker" "inspect" "39e8012953fed15ab3659db18c238947cd7e67686289d073fce91a5fcb5ab98d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39e8012953fed15ab3659db18c238947cd7e67686289d073fce91a5fcb5ab98d", kill_on_drop: false }`
[INFO] [stdout] 39e8012953fed15ab3659db18c238947cd7e67686289d073fce91a5fcb5ab98d
