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# error kind ExecutionFailed
# pre-build errors command failed: exit status: 101
# rustc version rustc 1.98.0-nightly (61d7280f3 2026-06-06)
# docs.rs version docsrs 0.0.0 (39849b9c22c419f6b690c8d2213455bc7426a6b8 2026-06-03 )
# build log [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "DOCS_RS=1" "-w" "/opt/rustwide/workdir" "--user" "1001:1001" "eccdaa8d12c85db1929e0362ba1d54f40d71578d8302f70521a64cf3d6a0484d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--emit=invocation-specific\", \"--resource-suffix\", \"-20260606-1.98.0-nightly-61d7280f3\", \"--static-root-path\", \"/-/rustdoc.static/\", \"--cap-lints\", \"warn\", \"--extern-html-root-takes-precedence\"]" "--offline" "-Zunstable-options" "--config=doc.extern-map.registries.crates-io=\"https://docs.rs/{pkg_name}/{version}/x86_64-unknown-linux-gnu\"" "-Zrustdoc-scrape-examples" "-j6" "--target" "x86_64-unknown-linux-gnu", kill_on_drop: false }` [INFO] [stderr] Scraping html_export v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Documenting html_export v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] [INFO] [stderr] thread 'rustc' (437) panicked at src/librustdoc/html/highlight.rs:226:42: [INFO] [stderr] `exit_elem` called on empty class stack [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7fe6e928fb79 - <<std[2d83d9d5a84f5c49]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[e0bc4a87b00bbb35]::fmt::Display>::fmt [INFO] [stderr] 1: 0x7fe6e9a22b08 - core[e0bc4a87b00bbb35]::fmt::write [INFO] [stderr] 2: 0x7fe6e92a5c06 - <std[2d83d9d5a84f5c49]::sys::stdio::unix::Stderr as std[2d83d9d5a84f5c49]::io::Write>::write_fmt [INFO] [stderr] 3: 0x7fe6e926533e - std[2d83d9d5a84f5c49]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x7fe6e9282a43 - std[2d83d9d5a84f5c49]::panicking::default_hook [INFO] [stderr] 5: 0x7fe6e8078d51 - std[2d83d9d5a84f5c49]::panicking::update_hook::<alloc[15a23d0f62af0da7]::boxed::Box<rustc_driver_impl[74adec4a4d16224]::install_ice_hook::{closure#1}>>::{closure#0} [INFO] [stderr] 6: 0x7fe6e9282d22 - std[2d83d9d5a84f5c49]::panicking::panic_with_hook [INFO] [stderr] 7: 0x7fe6e9265402 - std[2d83d9d5a84f5c49]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x7fe6e9259929 - std[2d83d9d5a84f5c49]::sys::backtrace::__rust_end_short_backtrace::<std[2d83d9d5a84f5c49]::panicking::panic_handler::{closure#0}, !> [INFO] [stderr] 9: 0x7fe6e9266e6d - __rustc[16f785260aba554c]::rust_begin_unwind [INFO] [stderr] 10: 0x7fe6e5d37c5c - core[e0bc4a87b00bbb35]::panicking::panic_fmt [INFO] [stderr] 11: 0x7fe6e70cff84 - core[e0bc4a87b00bbb35]::option::expect_failed [INFO] [stderr] 12: 0x55d38058d5a9 - rustdoc[69db183b23188cc]::html::highlight::write_code::<core[e0bc4a87b00bbb35]::fmt::Formatter>::{closure#2} [INFO] [stderr] 13: 0x55d3806bddb6 - rustdoc[69db183b23188cc]::html::highlight::classify [INFO] [stderr] 14: 0x55d3804b54ab - rustdoc[69db183b23188cc]::html::highlight::write_code::<core[e0bc4a87b00bbb35]::fmt::Formatter> [INFO] [stderr] 15: 0x55d38077e17a - <&core[e0bc4a87b00bbb35]::fmt::builders::FromFn<rustdoc[69db183b23188cc]::html::sources::print_src<&mut core[e0bc4a87b00bbb35]::fmt::Formatter>::{closure#0}> as core[e0bc4a87b00bbb35]::fmt::Display>::fmt [INFO] [stderr] 16: 0x7fe6e9a22b08 - core[e0bc4a87b00bbb35]::fmt::write [INFO] [stderr] 17: 0x55d38077e591 - <&askama[81865c052bacaee4]::filters::escape::Safe<&core[e0bc4a87b00bbb35]::fmt::builders::FromFn<rustdoc[69db183b23188cc]::html::sources::print_src<&mut core[e0bc4a87b00bbb35]::fmt::Formatter>::{closure#0}>> as core[e0bc4a87b00bbb35]::fmt::Display>::fmt [INFO] [stderr] 18: 0x7fe6e9a22b08 - core[e0bc4a87b00bbb35]::fmt::write [INFO] [stderr] 19: 0x55d38058c26c - rustdoc[69db183b23188cc]::html::render::render_call_locations::<&mut core[e0bc4a87b00bbb35]::fmt::Formatter>::{closure#2} [INFO] [stderr] 20: 0x55d3807b5453 - <core[e0bc4a87b00bbb35]::fmt::builders::FromFn<rustdoc[69db183b23188cc]::html::render::document_full_inner::{closure#0}> as core[e0bc4a87b00bbb35]::fmt::Display>::fmt [INFO] [stderr] 21: 0x55d38040a27f - rustdoc[69db183b23188cc]::html::render::render_impl::{closure#0}::doc_impl_item::<&mut alloc[15a23d0f62af0da7]::string::String, &mut alloc[15a23d0f62af0da7]::string::String> [INFO] [stderr] 22: 0x55d3807b2b2c - <core[e0bc4a87b00bbb35]::fmt::builders::FromFn<rustdoc[69db183b23188cc]::html::render::render_impl::{closure#0}> as core[e0bc4a87b00bbb35]::fmt::Display>::fmt [INFO] [stderr] 23: 0x55d3806b9317 - rustdoc[69db183b23188cc]::html::render::render_assoc_items_inner [INFO] [stderr] 24: 0x55d3807b4cc4 - <core[e0bc4a87b00bbb35]::fmt::builders::FromFn<rustdoc[69db183b23188cc]::html::render::render_assoc_items::{closure#0}> as core[e0bc4a87b00bbb35]::fmt::Display>::fmt [INFO] [stderr] 25: 0x7fe6e9a22b08 - core[e0bc4a87b00bbb35]::fmt::write [INFO] [stderr] 26: 0x55d3803cf0ec - <rustdoc[69db183b23188cc]::html::render::print_item::DisplayStruct>::render_into::<core[e0bc4a87b00bbb35]::fmt::Formatter> [INFO] [stderr] 27: 0x55d3807b95b0 - <core[e0bc4a87b00bbb35]::fmt::builders::FromFn<rustdoc[69db183b23188cc]::html::render::print_item::item_struct::{closure#0}> as core[e0bc4a87b00bbb35]::fmt::Display>::fmt [INFO] [stderr] 28: 0x7fe6e9a22b08 - core[e0bc4a87b00bbb35]::fmt::write [INFO] [stderr] 29: 0x55d38062179a - <rustdoc[69db183b23188cc]::html::render::context::Context>::render_item [INFO] [stderr] 30: 0x55d38079e7ee - <rustdoc[69db183b23188cc]::html::render::context::Context as rustdoc[69db183b23188cc]::formats::renderer::FormatRenderer>::item [INFO] [stderr] 31: 0x55d3804b7b2f - rustdoc[69db183b23188cc]::formats::renderer::run_format_inner::<rustdoc[69db183b23188cc]::html::render::context::Context> [INFO] [stderr] 32: 0x55d3804b7cc4 - rustdoc[69db183b23188cc]::formats::renderer::run_format_inner::<rustdoc[69db183b23188cc]::html::render::context::Context> [INFO] [stderr] 33: 0x55d3804b7cc4 - rustdoc[69db183b23188cc]::formats::renderer::run_format_inner::<rustdoc[69db183b23188cc]::html::render::context::Context> [INFO] [stderr] 34: 0x55d380594d3b - rustdoc[69db183b23188cc]::main_args::{closure#2}::{closure#0} [INFO] [stderr] 35: 0x55d38058874d - rustc_interface[6b2d89b6092f331d]::interface::run_compiler::<(), rustdoc[69db183b23188cc]::main_args::{closure#2}>::{closure#1} [INFO] [stderr] 36: 0x55d3804a73a6 - std[2d83d9d5a84f5c49]::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface[6b2d89b6092f331d]::util::run_in_thread_with_globals<rustc_interface[6b2d89b6092f331d]::util::run_in_thread_pool_with_globals<rustc_interface[6b2d89b6092f331d]::interface::run_compiler<(), rustdoc[69db183b23188cc]::main_args::{closure#2}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 37: 0x55d3805d0eed - <std[2d83d9d5a84f5c49]::thread::lifecycle::spawn_unchecked<rustc_interface[6b2d89b6092f331d]::util::run_in_thread_with_globals<rustc_interface[6b2d89b6092f331d]::util::run_in_thread_pool_with_globals<rustc_interface[6b2d89b6092f331d]::interface::run_compiler<(), rustdoc[69db183b23188cc]::main_args::{closure#2}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[e0bc4a87b00bbb35]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 38: 0x7fe6eabf7bec - <std[2d83d9d5a84f5c49]::sys::thread::unix::Thread>::new::thread_start [INFO] [stderr] 39: 0x7fe6e428aaa4 - <unknown> [INFO] [stderr] 40: 0x7fe6e4317a64 - clone [INFO] [stderr] 41: 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-2026-06-07T02_56_42-436.txt`: Read-only file system (os error 30) [INFO] [stderr] [INFO] [stderr] note: rustc 1.98.0-nightly (61d7280f3 2026-06-06) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] note: compiler flags: --crate-type lib -Z unstable-options -Z unstable-options [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 `html_export` [INFO] running `Command { std: "docker" "inspect" "eccdaa8d12c85db1929e0362ba1d54f40d71578d8302f70521a64cf3d6a0484d", kill_on_drop: false }`