[INFO] fetching crate arcon 0.2.1...
[INFO] documenting arcon-0.2.1 against 1.98.0-beta.1 for beta-rustdoc-1.98-1
[INFO] extracting crate arcon 0.2.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate arcon 0.2.1
[INFO] finished tweaking crates.io crate arcon 0.2.1
[INFO] tweaked toml for crates.io crate arcon 0.2.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate arcon 0.2.1 on toolchain 1.98.0-beta.1
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/dataflow/builder.rs:112:24
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub extractor: Arc<(dyn Fn(&T) -> u64 + Send + Sync)>,
[INFO] [stdout]     |                        ^                               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 112 -     pub extractor: Arc<(dyn Fn(&T) -> u64 + Send + Sync)>,
[INFO] [stdout] 112 +     pub extractor: Arc<dyn Fn(&T) -> u64 + Send + Sync>,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]  --> src/index/hash_table/bitmask.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[cfg(feature = "nightly")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `allocator_metrics`, `default`, `futures`, `hardware_counters`, `hocon`, `kafka`, `metrics`, `metrics-exporter-prometheus`, `perf-event`, `prometheus_exporter`, `rdkafka`, `rocksdb`, `serde`, `serde_json`, `socket`, `state_metrics`, `tokio`, and `tokio-util`
[INFO] [stdout]   = help: consider adding `nightly` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]   --> src/index/hash_table/bitmask.rs:57:11
[INFO] [stdout]    |
[INFO] [stdout] 57 |     #[cfg(feature = "nightly")]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `allocator_metrics`, `default`, `futures`, `hardware_counters`, `hocon`, `kafka`, `metrics`, `metrics-exporter-prometheus`, `perf-event`, `prometheus_exporter`, `rdkafka`, `rocksdb`, `serde`, `serde_json`, `socket`, `state_metrics`, `tokio`, and `tokio-util`
[INFO] [stdout]    = help: consider adding `nightly` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]   --> src/index/hash_table/bitmask.rs:62:15
[INFO] [stdout]    |
[INFO] [stdout] 62 |     #[cfg(not(feature = "nightly"))]
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `allocator_metrics`, `default`, `futures`, `hardware_counters`, `hocon`, `kafka`, `metrics`, `metrics-exporter-prometheus`, `perf-event`, `prometheus_exporter`, `rdkafka`, `rocksdb`, `serde`, `serde_json`, `socket`, `state_metrics`, `tokio`, and `tokio-util`
[INFO] [stdout]    = help: consider adding `nightly` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `arcon_serde`
[INFO] [stdout]  --> src/util/prost_helpers.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[cfg_attr(feature = "arcon_serde", derive(serde::Serialize, serde::Deserialize))]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `allocator_metrics`, `default`, `futures`, `hardware_counters`, `hocon`, `kafka`, `metrics`, `metrics-exporter-prometheus`, `perf-event`, `prometheus_exporter`, `rdkafka`, `rocksdb`, `serde`, `serde_json`, `socket`, `state_metrics`, `tokio`, and `tokio-util`
[INFO] [stdout]   = help: consider adding `arcon_serde` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] thread 'rustc' (1738) panicked at /rustc-dev/6b3fa26749ab40e159b2dd5cf577acaaf5902772/compiler/rustc_metadata/src/rmeta/decoder.rs:1404:17:
[INFO] [stderr] assertion `left == right` failed
[INFO] [stderr]   left: TypeNs("alloc")
[INFO] [stderr]  right: Ctor
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x7e3a412d1746 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stderr]    1:     0x7e3a41a0ec88 - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stderr]    2:     0x7e3a42dd31ec - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stderr]    3:     0x7e3a412a5bba - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stderr]    4:     0x7e3a412c3e93 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stderr]    5:     0x7e3a402ad618 - std[73adb7dc35730857]::panicking::update_hook::<alloc[55a36b64bcbf2c0d]::boxed::Box<rustc_driver_impl[cdc09f3dcfdb493d]::install_ice_hook::{closure#1}>>::{closure#0}
[INFO] [stderr]    6:     0x7e3a412c4332 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stderr]    7:     0x7e3a412a5c72 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stderr]    8:     0x7e3a4129c939 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]    9:     0x7e3a412a75dd - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stderr]   10:     0x7e3a3e31503c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stderr]   11:     0x7e3a3fc5fbb3 - core[6883ba1bc0fe4ed1]::panicking::assert_failed_inner
[INFO] [stderr]   12:     0x7e3a407eb5b6 - core[6883ba1bc0fe4ed1]::panicking::assert_failed::<rustc_hir[683e3481e3429972]::definitions::DefPathData, rustc_hir[683e3481e3429972]::definitions::DefPathData>
[INFO] [stderr]   13:     0x7e3a42063601 - rustc_metadata[b3b5b184ac7e76b]::rmeta::decoder::cstore_impl::provide_extern::attrs_for_def
[INFO] [stderr]   14:     0x7e3a4205d95c - rustc_query_impl[6beb63dc98d10cf8]::query_impl::attrs_for_def::invoke_provider_fn::__rust_begin_short_backtrace
[INFO] [stderr]   15:     0x7e3a41d47805 - rustc_query_impl[6beb63dc98d10cf8]::execution::try_execute_query::<rustc_middle[1ca177a2b874f02a]::query::caches::DefIdCache<rustc_middle[1ca177a2b874f02a]::query::erase::ErasedData<[u8; 16usize]>>, false>
[INFO] [stderr]   16:     0x7e3a41d4704d - rustc_query_impl[6beb63dc98d10cf8]::query_impl::attrs_for_def::execute_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   17:     0x6274bba4f7b1 - <rustc_middle[1ca177a2b874f02a]::ty::context::TyCtxt>::get_all_attrs::<rustc_span[c8e1fef47fc97b5f]::def_id::DefId>
[INFO] [stderr]   18:     0x6274bbcc8259 - rustdoc[77f8a3d7b12a7417]::clean::inline::build_module_items
[INFO] [stderr]   19:     0x6274bbc89d9f - rustdoc[77f8a3d7b12a7417]::clean::clean_use_statement_inner
[INFO] [stderr]   20:     0x6274bbc836e1 - rustdoc[77f8a3d7b12a7417]::clean::clean_use_statement
[INFO] [stderr]   21:     0x6274bbc7eeb8 - rustdoc[77f8a3d7b12a7417]::clean::clean_doc_module
[INFO] [stderr]   22:     0x6274bbc7e02d - rustdoc[77f8a3d7b12a7417]::clean::clean_doc_module
[INFO] [stderr]   23:     0x6274bbc6fb01 - rustdoc[77f8a3d7b12a7417]::core::run_global_ctxt
[INFO] [stderr]   24:     0x6274bbba8251 - rustdoc[77f8a3d7b12a7417]::main_args::{closure#2}::{closure#0}
[INFO] [stderr]   25:     0x6274bbba057a - rustc_interface[af4456b456e7b115]::interface::run_compiler::<(), rustdoc[77f8a3d7b12a7417]::main_args::{closure#2}>::{closure#1}
[INFO] [stderr]   26:     0x6274bbaf0708 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface[af4456b456e7b115]::util::run_in_thread_with_globals<rustc_interface[af4456b456e7b115]::util::run_in_thread_pool_with_globals<rustc_interface[af4456b456e7b115]::interface::run_compiler<(), rustdoc[77f8a3d7b12a7417]::main_args::{closure#2}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>
[INFO] [stderr]   27:     0x6274bbbde48d - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<rustc_interface[af4456b456e7b115]::util::run_in_thread_with_globals<rustc_interface[af4456b456e7b115]::util::run_in_thread_pool_with_globals<rustc_interface[af4456b456e7b115]::interface::run_compiler<(), rustdoc[77f8a3d7b12a7417]::main_args::{closure#2}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]   28:     0x7e3a42b38f90 - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stderr]   29:     0x7e3a3c68aaa4 - <unknown>
[INFO] [stderr]   30:     0x7e3a3c717a64 - clone
[INFO] [stderr]   31:                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: rustc 1.98.0-beta.1 (6b3fa2674 2026-07-06) 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] #0 [attrs_for_def] collecting attributes of `prost::alloc`
[INFO] [stderr] end of query stack
[INFO] [stderr] error: could not document `arcon`
[INFO] running `Command { std: "docker" "inspect" "ca860ab38acf0096726e55ef442f2e75efa6208352f2efeccb62efecff7a3a33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca860ab38acf0096726e55ef442f2e75efa6208352f2efeccb62efecff7a3a33", kill_on_drop: false }`
[INFO] [stdout] ca860ab38acf0096726e55ef442f2e75efa6208352f2efeccb62efecff7a3a33
