ICE in nightly rustdocs

[jbr]

I'm not at all sure what the best way to reproduce this is, but here's an ICE in github actions.

Meta

rustc --version --verbose:

rustc 1.71.0-nightly (a368898de 2023-05-02) running on x86_64-unknown-linux-gnu

Error output

assertion failed: event_range.start >= element.element_range.start &&
    event_range.end <= element.element_range.end

src/librustdoc/passes/lint/unescaped_backticks.rs:122:17

Backtrace

thread 'rustc' panicked at 'assertion failed: event_range.start >= element.element_range.start &&\n    event_range.end <= element.element_range.end', src/librustdoc/passes/lint/unescaped_backticks.rs:122:17
stack backtrace:
   0:     0x7f5466b02441 - std::backtrace_rs::backtrace::libunwind::trace::hfc6a5774a285598b
                               at /rustc/a368898de758e1b8def6c9060044a5b40eb79e84/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
   1:     0x7f5466b02441 - std::backtrace_rs::backtrace::trace_unsynchronized::h072f54729cb03fbe
                               at /rustc/a368898de758e1b8def6c9060044a5b40eb79e84/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7f5466b02441 - std::sys_common::backtrace::_print_fmt::h90cd72709[174](https://github.com/trillium-rs/trillium/actions/runs/4867382066/jobs/8679907423?pr=328#step:6:175)3039
                               at /rustc/a368898de758e1b8def6c9060044a5b40eb79e84/library/std/src/sys_common/backtrace.rs:65:5
   3:     0x7f5466b02441 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::ha69a7d6d7744182b
                               at /rustc/a368898de758e1b8def6c9060044a5b40eb79e84/library/std/src/sys_common/backtrace.rs:44:22
   4:     0x7f5466b630df - core::fmt::rt::Argument::fmt::h1c053c61e28a4a2c
                               at /rustc/a368898de758e1b8def6c9060044a5b40eb79e84/library/core/src/fmt/rt.rs:138:9
   5:     0x7f5466b630df - core::fmt::write::h707e377e40255013
                               at /rustc/a368898de758e1b8def6c9060044a5b40eb79e84/library/core/src/fmt/mod.rs:1094:21
   6:     0x7f5466af54f1 - std::io::Write::write_fmt::h06bf41bbac8dfb21
                               at /rustc/a368898de758e1b8def6c9060044a5b40eb79e84/library/std/src/io/mod.rs:1712:15
   7:     0x7f5466b02255 - std::sys_common::backtrace::_print::h02d5472e5e75dcdd
                               at /rustc/a368898de758e1b8def6c9060044a5b40eb79e84/library/std/src/sys_common/backtrace.rs:47:5
   8:     0x7f5466b02255 - std::sys_common::backtrace::print::haa13109f6fde1202
                               at /rustc/a368898de758e1b8def6c9060044a5b40eb79e84/library/std/src/sys_common/backtrace.rs:34:9
   9:     0x7f5466b04ee7 - std::panicking::default_hook::{{closure}}::ha0df47df6da4e474
  10:     0x7f5466b04cd4 - std::panicking::default_hook::hef982eb890cb84ba
                               at /rustc/a368898de758e1b8def6c9060044a5b40eb79e84/library/std/src/panicking.rs:288:9
  11:     0x7f5469d36135 - <rustc_driver_impl[4568aa41b6df4bb4]::DEFAULT_HOOK::{closure#0}::{closure#0} as core[c2d9ef320c5cdbe6]::ops::function::FnOnce<(&core[c2d9ef320c5cdbe6]::panic::panic_info::PanicInfo,)>>::call_once::{shim:vtable#0}
  12:     0x7f5466b05607 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h2c12bc3e2642362e
                               at /rustc/a368898de758e1b8def6c9060044a5b40eb79e84/library/alloc/src/boxed.rs:1999:9
  13:     0x7f5466b05607 - std::panicking::rust_panic_with_hook::hdb4ce4a14cdedead
                               at /rustc/a368898de758e1b8def6c9060044a5b40eb79e84/library/std/src/panicking.rs:695:13
  14:     0x7f5466b05341 - std::panicking::begin_panic_handler::{{closure}}::h94ea044a275497a3
                               at /rustc/a368898de758e1b8def6c9060044a5b40eb79e84/library/std/src/panicking.rs:580:13
  15:     0x7f5466b02886 - std::sys_common::backtrace::__rust_end_short_backtrace::h6d526ec8e2ca61bd
                               at /rustc/a368898de758e1b8def6c9060044a5b40eb79e84/library/std/src/sys_common/backtrace.rs:150:18
  16:     0x7f5466b050f2 - rust_begin_unwind
                               at /rustc/a368898de758e1b8def6c9060044a5b40eb79e84/library/std/src/panicking.rs:578:5
  17:     0x7f5466b5f383 - core::panicking::panic_fmt::h1d9bb6eef5b05ff6
                               at /rustc/a368898de758e1b8def6c9060044a5b40eb79e84/library/core/src/panicking.rs:67:14
  18:     0x7f5466b5f413 - core::panicking::panic::h01e600645e1c5217
                               at /rustc/a368898de758e1b8def6c9060044a5b40eb79e84/library/core/src/panicking.rs:117:5
  19:     0x55c5af37e363 - rustdoc[c811262113fe42a3]::passes::lint::unescaped_backticks::visit_item
  20:     0x55c5af6aaba1 - <rustdoc[c811262113fe42a3]::passes::lint::Linter as rustdoc[c811262113fe42a3]::visit::DocVisitor>::visit_inner_recur
  21:     0x55c5af6aab68 - <rustdoc[c811262113fe42a3]::passes::lint::Linter as rustdoc[c811262113fe42a3]::visit::DocVisitor>::visit_inner_recur
  22:     0x55c5af6a9b3b - rustdoc[c811262113fe42a3]::passes::lint::run_lints
  23:     0x55c5af525982 - <rustc_session[595cde2573f90eb3]::session::Session>::time::<rustdoc[c811262113fe42a3]::clean::types::Crate, rustdoc[c811262113fe42a3]::core::run_global_ctxt::{closure#8}>
  24:     0x55c5af5dfb1a - rustdoc[c811262113fe42a3]::core::run_global_ctxt
  25:     0x55c5af525c01 - <rustc_session[595cde2573f90eb3]::session::Session>::time::<(rustdoc[c811262113fe42a3]::clean::types::Crate, rustdoc[c811262113fe42a3]::config::RenderOptions, rustdoc[c811262113fe42a3]::formats::cache::Cache), rustdoc[c811262113fe42a3]::main_args::{closure#1}::{closure#0}::{closure#0}::{closure#0}>
  26:     0x55c5af62a263 - <rustc_middle[8bb1b9d153b3cf9c]::ty::context::GlobalCtxt>::enter::<rustdoc[c811262113fe42a3]::main_args::{closure#1}::{closure#0}::{closure#0}, core[c2d9ef320c5cdbe6]::result::Result<(), rustc_span[32e51960840ee4f9]::ErrorGuaranteed>>
  27:     0x55c5af388363 - <rustc_interface[c257fe2f1a1c32ae]::interface::Compiler>::enter::<rustdoc[c811262113fe42a3]::main_args::{closure#1}::{closure#0}, core[c2d9ef320c5cdbe6]::result::Result<(), rustc_span[32e51960840ee4f9]::ErrorGuaranteed>>
  28:     0x55c5af5f7226 - rustc_span[32e51960840ee4f9]::set_source_map::<core[c2d9ef320c5cdbe6]::result::Result<(), rustc_span[32e51960840ee4f9]::ErrorGuaranteed>, rustc_interface[c257fe2f1a1c32ae]::interface::run_compiler<core[c2d9ef320c5cdbe6]::result::Result<(), rustc_span[32e51960840ee4f9]::ErrorGuaranteed>, rustdoc[c811262113fe42a3]::main_args::{closure#1}>::{closure#0}::{closure#0}>
  29:     0x55c5af66587a - <scoped_tls[892093b6a2[194](https://github.com/trillium-rs/trillium/actions/runs/4867382066/jobs/8679907423?pr=328#step:6:195)788]::ScopedKey<rustc_span[32e5[196](https://github.com/trillium-rs/trillium/actions/runs/4867382066/jobs/8679907423?pr=328#step:6:197)0840ee4f9]::SessionGlobals>>::set::<rustc_interface[c257fe2f1a1c32ae]::interface::run_compiler<core[c2d9ef320c5cdbe6]::result::Result<(), rustc_span[32e51960840ee4f9]::ErrorGuaranteed>, rustdoc[c811262113fe42a3]::main_args::{closure#1}>::{closure#0}, core[c2d9ef320c5cdbe6]::result::Result<(), rustc_span[32e51960840ee4f9]::ErrorGuaranteed>>
  30:     0x55c5af53a409 - std[437e94ae58c7de88]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[c257fe2f1a1c32ae]::util::run_in_thread_pool_with_globals<rustc_interface[c257fe2f1a1c32ae]::interface::run_compiler<core[c2d9ef320c5cdbe6]::result::Result<(), rustc_span[32e51960840ee4f9]::ErrorGuaranteed>, rustdoc[c811262113fe42a3]::main_args::{closure#1}>::{closure#0}, core[c2d9ef320c5cdbe6]::result::Result<(), rustc_span[32e51960840ee4f9]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[c2d9ef320c5cdbe6]::result::Result<(), rustc_span[32e51960840ee4f9]::ErrorGuaranteed>>
  31:     0x55c5af5cf6a1 - <<std[437e94ae58c7de88]::thread::Builder>::spawn_unchecked_<rustc_interface[c257fe2f1a1c32ae]::util::run_in_thread_pool_with_globals<rustc_interface[c257fe2f1a1c32ae]::interface::run_compiler<core[c2d9ef320c5cdbe6]::result::Result<(), rustc_span[32e51960840ee4f9]::ErrorGuaranteed>, rustdoc[c811262113fe42a3]::main_args::{closure#1}>::{closure#0}, core[c2d9ef320c5cdbe6]::result::Result<(), rustc_span[32e51960840ee4f9]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[c2d9ef320c5cdbe6]::result::Result<(), rustc_span[32e51960840ee4f9]::ErrorGuaranteed>>::{closure#1} as core[c2d9ef320c5cdbe6]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  32:     0x7f5466b0fad5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h11b497427cc218d4
                               at /rustc/a368898de758e1b8def6c9060044a5b40eb79e84/library/alloc/src/boxed.rs:[198](https://github.com/trillium-rs/trillium/actions/runs/4867382066/jobs/8679907423?pr=328#step:6:199)5:9
  33:     0x7f5466b0fad5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h8bad4cdff0021bcf
                               at /rustc/a368898de758e1b8def6c9060044a5b40eb79e84/library/alloc/src/boxed.rs:1985:9
  34:     0x7f5466b0fad5 - std::sys::unix::thread::Thread::new::thread_start::hcc4ebc7130a03170
                               at /rustc/a368898de758e1b8def6c9060044a5b40eb79e84/library/std/src/sys/unix/thread.rs:108:17
  35:     0x7f5466755b43 - <unknown>
  36:     0x7f54667e7a00 - <unknown>
  37:                0x0 - <unknown>

error: the compiler unexpectedly panicked. this is a bug.

note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md

note: rustc 1.71.0-nightly (a368898de [202](https://github.com/trillium-rs/trillium/actions/runs/4867382066/jobs/8679907423?pr=328#step:6:203)3-05-02) running on x86_64-unknown-linux-gnu

note: compiler flags: --crate-type lib

[jbr]

closing, probably duplicate of #110626 I believe this is a distinct issue, but possibly also related to unresolved doc links?

[lukas-code]

reduced:

/// One-indexed, because the first CloneCounter is included. If you don't
/// want the original to count, construct a [``CloneCounterObserver`]
/// instead and use [`CloneCounterObserver::counter`] to increment.
pub struct CloneCounter;

pub struct CloneCounterObserver;

---

This looks like a bug in pulldown-cmark to me.

The following gets parsed as one single link (which is ok):

[``CloneCounterObserver`] instead and use [`CloneCounterObserver::counter`]

But the span (event range) of the link gets reported like this, which doesn't match the start and end tags of the link:

[``CloneCounterObserver`] instead and use [`CloneCounterObserver::counter`]
^^^^^^^^^^^^^^^^^^^^^^^^^

The start and end tags are inserted like this:

<a href="CloneCounterObserver">``CloneCounterObserver<code>] instead and use [</code>CloneCounterObserver::counter`</a>