docs.rs build fail for 0.83.0

[littledivy]

https://docs.rs/crate/v8/0.83.0/builds

We seem to be hitting an ICE:

[INFO] [stderr] 
[INFO] [stderr] error: internal compiler error: no errors encountered even though `span_delayed_bug` issued
[INFO] [stderr] 
[INFO] [stderr] error: internal compiler error: Impl DefId(2:2424 ~ core[25a4]::borrow::{impl#0}) was matchable against Obligation(predicate=Binder { value: TraitPredicate(<cppgc::Member<_> as std::borrow::Borrow<_>>, polarity:Positive), bound_vars: [] }, depth=2) but now is not
[INFO] [stderr]   |
[INFO] [stderr]   = note: delayed at compiler/rustc_trait_selection/src/traits/select/mod.rs:2433:45
[INFO] [stderr]              0: <rustc_errors::DiagCtxtInner>::emit_diagnostic_without_consuming
[INFO] [stderr]              1: <rustc_errors::DiagCtxt>::emit_diagnostic_without_consuming
[INFO] [stderr]              2: <rustc_errors::DiagCtxt>::emit_diagnostic
[INFO] [stderr]              3: <rustc_errors::DiagCtxt>::span_delayed_bug::<rustc_span::span_encoding::Span, alloc::string::String>
[INFO] [stderr]              4: <rustc_trait_selection::traits::select::SelectionContext>::confirm_candidate
[INFO] [stderr]              5: <rustc_trait_selection::traits::select::SelectionContext>::evaluate_candidate
[INFO] [stderr]              6: <rustc_trait_selection::traits::select::SelectionContext>::evaluate_trait_predicate_recursively
[INFO] [stderr]              7: <rustc_trait_selection::traits::select::SelectionContext>::evaluate_candidate
[INFO] [stderr]              8: <rustc_trait_selection::traits::select::SelectionContext>::evaluate_trait_predicate_recursively
[INFO] [stderr]              9: <rustc_trait_selection::traits::select::SelectionContext>::evaluation_probe::<<rustc_trait_selection::traits::select::SelectionContext>::evaluate_root_obligation::{closure#0}>
[INFO] [stderr]             10: rustc_traits::evaluate_obligation::evaluate_obligation
[INFO] [stderr]             11: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::evaluate_obligation::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 2]>>
[INFO] [stderr]             12: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::DefaultCache<rustc_type_ir::canonical::Canonical<rustc_middle::ty::context::TyCtxt, rustc_middle::ty::ParamEnvAnd<rustc_middle::ty::Predicate>>, rustc_middle::query::erase::Erased<[u8; 2]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, false>
[INFO] [stderr]             13: rustc_query_impl::query_impl::evaluate_obligation::get_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]             14: <rustc_infer::infer::InferCtxt as rustc_trait_selection::traits::query::evaluate_obligation::InferCtxtExt>::evaluate_obligation
[INFO] [stderr]             15: rustdoc::clean::utils::get_auto_trait_and_blanket_impls
[INFO] [stderr]             16: <rustdoc::passes::collect_trait_impls::SyntheticImplCollector as rustdoc::visit::DocVisitor>::visit_item
[INFO] [stderr]             17: <rustdoc::passes::collect_trait_impls::SyntheticImplCollector as rustdoc::visit::DocVisitor>::visit_item
[INFO] [stderr]             18: <rustdoc::passes::collect_trait_impls::SyntheticImplCollector as rustdoc::visit::DocVisitor>::visit_item
[INFO] [stderr]             19: rustdoc::passes::collect_trait_impls::collect_trait_impls
[INFO] [stderr]             20: rustdoc::core::run_global_ctxt
[INFO] [stderr]             21: rustdoc::main_args::{closure#1}::{closure#0}::{closure#0}
[INFO] [stderr]             22: rustc_interface::interface::run_compiler::<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustdoc::main_args::{closure#1}>::{closure#0}
[INFO] [stderr]             23: std::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface::util::run_in_thread_with_globals<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustdoc::main_args::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
[INFO] [stderr]             24: <<std::thread::Builder>::spawn_unchecked_<rustc_interface::util::run_in_thread_with_globals<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustdoc::main_args::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]             25: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stderr]                        at /rustc/595bc6f00369475047538fdae1ff8cea692ac385/library/alloc/src/boxed.rs:2016:9
[INFO] [stderr]             26: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stderr]                        at /rustc/595bc6f00369475047538fdae1ff8cea692ac385/library/alloc/src/boxed.rs:2016:9
[INFO] [stderr]             27: std::sys::unix::thread::Thread::new::thread_start
[INFO] [stderr]                        at /rustc/595bc6f00369475047538fdae1ff8cea692ac385/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stderr]             28: <unknown>
[INFO] [stderr]             29: __clone
[INFO] [stderr]           
[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] warning: the ICE couldn't be written to `/opt/rustwide/workdir/rustc-ice-2024-01-06T12_14_48-8.txt`: Read-only file system (os error 30)
[INFO] [stderr] 
[INFO] [stderr] note: rustc 1.77.0-nightly (595bc6f00 2024-01-05) 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] warning: `v8` (lib doc) generated 46 warnings (run `cargo fix --lib -p v8` to apply 18 suggestions)
[INFO] [stderr] error: could not document `v8`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/nightly-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name v8 src/lib.rs --target x86_64-unknown-linux-gnu -o /opt/rustwide/target/x86_64-unknown-linux-gnu/doc --cfg 'feature="default"' --cfg 'feature="use_custom_libcxx"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat -C metadata=409412d6e9d7438e -L dependency=/opt/rustwide/target/x86_64-unknown-linux-gnu/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/x86_64-unknown-linux-gnu/debug/deps/libbitflags-ee4c4d55de3b5e66.rmeta --extern once_cell=/opt/rustwide/target/x86_64-unknown-linux-gnu/debug/deps/libonce_cell-c7b76f42d673aef1.rmeta --extern-html-root-url 'bitflags=https://docs.rs/bitflags/2.4.1/x86_64-unknown-linux-gnu' --extern-html-root-url 'once_cell=https://docs.rs/once_cell/1.19.0/x86_64-unknown-linux-gnu' -Zunstable-options -Z unstable-options --emit=invocation-specific --resource-suffix -20240105-1.77.0-nightly-595bc6f00 --static-root-path /-/rustdoc.static/ --cap-lints warn --extern-html-root-takes-precedence --crate-version 0.83.0` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "3bceae32c1563ad46e0c47ede4bd32b19f2df9b8754e155960fd7ceae333f1f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bceae32c1563ad46e0c47ede4bd32b19f2df9b8754e155960fd7ceae333f1f9", kill_on_drop: false }`
[INFO] [stdout] 3bceae32c1563ad46e0c47ede4bd32b19f2df9b8754e155960fd7ceae333f1f9

Available RAM	6 GB
Maximum rustdoc execution time	15 minutes
Maximum size of a build log	100 kB
Network access	blocked
Maximum number of build targets	10