Unexpected panic during Clippy run #17867

thread 'rustc' (7231) panicked at /rustc-dev/080cc27146389dbb5c8772c476b1937be9c6110f/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs:2144:64:
DefId::expect_local: `DefId(42:62 ~ cusf_enforcer_mempool[ebd4]::cusf_block_producer::CusfBlockProducer::initial_block_template::COINBASE_TXN)` isn't local
stack backtrace:
 0:     0x7f7630c0f256 - <<std[b20254cca6d16845]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[b6f79c0f45e6c5ec]::fmt::Display>::fmt
 1:     0x7f7631206ddf - core[b6f79c0f45e6c5ec]::fmt::write
 2:     0x7f7630c2591c - <std[b20254cca6d16845]::sys::stdio::unix::Stderr as core[b6f79c0f45e6c5ec]::io::write::Write>::write_fmt
 3:     0x7f7630be04ca - std[b20254cca6d16845]::panicking::default_hook::{closure#0}
 4:     0x7f7630c02a83 - std[b20254cca6d16845]::panicking::default_hook
 5:     0x7f762f973f65 - std[b20254cca6d16845]::panicking::update_hook::<alloc[5474da6ea92f6cbf]::boxed::Box<rustc_driver_impl[2825a34e80769f13]::install_ice_hook::{closure#1}>>::{closure#0}
 6:     0x7f7630c02f22 - std[b20254cca6d16845]::panicking::panic_with_hook
 7:     0x7f7630be0582 - std[b20254cca6d16845]::panicking::panic_handler::{closure#0}
 8:     0x7f7630bd8d69 - std[b20254cca6d16845]::sys::backtrace::__rust_end_short_backtrace::<std[b20254cca6d16845]::panicking::panic_handler::{closure#0}, !>
 9:     0x7f7630be215d - __rustc[51506b18db8c06ec]::rust_begin_unwind
10:     0x7f762d62cc5c - core[b6f79c0f45e6c5ec]::panicking::panic_fmt
11:     0x7f76319b9269 - rustc_hir_analysis[7c503ccd7f47fd81]::check::compare_impl_item::compare_const_generic_param_types
12:     0x7f76319d4e4f - rustc_hir_analysis[7c503ccd7f47fd81]::check::compare_impl_item::compare_impl_item
13:     0x7f76319d22d7 - rustc_query_impl[f4aec47940d3740b]::query_vtables::compare_impl_item::invoke_provider_fn::__rust_begin_short_backtrace
14:     0x7f7632003f6f - rustc_query_impl[f4aec47940d3740b]::execution::try_execute_query::<rustc_data_structures[39b521baf56ffe90]::vec_cache::VecCache<rustc_span[bfc4b5c33ea761e4]::def_id::LocalDefId, rustc_middle[5b1b4d20ed3c18ba]::query::erase::ErasedData<[u8; 1usize]>, rustc_middle[5b1b4d20ed3c18ba]::dep_graph::graph::DepNodeIndex>, false>
15:     0x7f7632003c15 - rustc_query_impl[f4aec47940d3740b]::query_vtables::compare_impl_item::execute_query_non_incr::__rust_end_short_backtrace
16:     0x7f763200712c - rustc_hir_analysis[7c503ccd7f47fd81]::check::check::check_item_type
17:     0x7f7632004b9c - rustc_hir_analysis[7c503ccd7f47fd81]::check::wfcheck::check_well_formed
18:     0x7f7632004b69 - rustc_query_impl[f4aec47940d3740b]::query_vtables::check_well_formed::invoke_provider_fn::__rust_begin_short_backtrace
19:     0x7f7632003f6f - rustc_query_impl[f4aec47940d3740b]::execution::try_execute_query::<rustc_data_structures[39b521baf56ffe90]::vec_cache::VecCache<rustc_span[bfc4b5c33ea761e4]::def_id::LocalDefId, rustc_middle[5b1b4d20ed3c18ba]::query::erase::ErasedData<[u8; 1usize]>, rustc_middle[5b1b4d20ed3c18ba]::dep_graph::graph::DepNodeIndex>, false>
20:     0x7f7632003cd5 - rustc_query_impl[f4aec47940d3740b]::query_vtables::check_well_formed::execute_query_non_incr::__rust_end_short_backtrace
21:     0x7f76320015d1 - rustc_hir_analysis[7c503ccd7f47fd81]::check::wfcheck::check_type_wf
22:     0x7f76320014cd - rustc_query_impl[f4aec47940d3740b]::query_vtables::check_type_wf::invoke_provider_fn::__rust_begin_short_backtrace
23:     0x7f7632343dc4 - rustc_query_impl[f4aec47940d3740b]::execution::try_execute_query::<rustc_middle[5b1b4d20ed3c18ba]::query::caches::SingleCache<rustc_middle[5b1b4d20ed3c18ba]::query::erase::ErasedData<[u8; 1usize]>>, false>
24:     0x7f7632343b6d - rustc_query_impl[f4aec47940d3740b]::query_vtables::check_type_wf::execute_query_non_incr::__rust_end_short_backtrace
25:     0x7f763187dafb - rustc_hir_analysis[7c503ccd7f47fd81]::check_crate
26:     0x7f76318073b9 - rustc_interface[8c465a77289bc568]::passes::analysis
27:     0x7f7632349c87 - rustc_query_impl[f4aec47940d3740b]::execution::try_execute_query::<rustc_middle[5b1b4d20ed3c18ba]::query::caches::SingleCache<rustc_middle[5b1b4d20ed3c18ba]::query::erase::ErasedData<[u8; 0usize]>>, false>
28:     0x7f7632349a6b - rustc_query_impl[f4aec47940d3740b]::query_vtables::analysis::execute_query_non_incr::__rust_end_short_backtrace
29:     0x7f76324d134e - rustc_interface[8c465a77289bc568]::interface::run_compiler::<(), rustc_driver_impl[2825a34e80769f13]::compiler_entrypoint::{closure#0}>::{closure#2}
30:     0x7f76324fb802 - std[b20254cca6d16845]::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface[8c465a77289bc568]::util::run_in_thread_with_globals<rustc_interface[8c465a77289bc568]::util::run_in_thread_pool_with_globals<rustc_interface[8c465a77289bc568]::interface::run_compiler<(), rustc_driver_impl[2825a34e80769f13]::compiler_entrypoint::{closure#0}>::{closure#2}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>
31:     0x7f76324fb5ad - <std[b20254cca6d16845]::thread::lifecycle::spawn_unchecked<rustc_interface[8c465a77289bc568]::util::run_in_thread_with_globals<rustc_interface[8c465a77289bc568]::util::run_in_thread_pool_with_globals<rustc_interface[8c465a77289bc568]::interface::run_compiler<(), rustc_driver_impl[2825a34e80769f13]::compiler_entrypoint::{closure#0}>::{closure#2}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[b6f79c0f45e6c5ec]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
32:     0x7f76324f685b - <std[b20254cca6d16845]::sys::thread::unix::Thread>::new::thread_start
33:     0x7f762b49cb84 - <unknown>
34:     0x7f762b529ecc - <unknown>
35:                0x0 - <unknown>

error: the compiler unexpectedly panicked. This is a bug

note: we would appreciate a bug report: https://github.com/rust-lang/rust-clippy/issues/new?template=ice.yml

note: please make sure that you have updated to the latest nightly

note: please attach the file at `/home/runner/work/bip300301_enforcer/bip300301_enforcer/rustc-ice-2026-10-12T12_31_39-7230.txt` to your bug report

note: rustc 1.101.0-nightly (080cc2714 2026-10-11) running on x86_64-unknown-linux-gnu

note: compiler flags: --crate-type lib -C embed-bitcode=no -C debuginfo=2

note: some of the compiler flags provided by cargo are hidden

query stack during panic:
#0 [compare_impl_item] checking assoc item `block_producer::<impl at lib/block_producer/mod.rs:295:1: 295:41>::initial_block_template::{anon_assoc#0}` is compatible with trait definition
#1 [check_well_formed] checking that `block_producer::<impl at lib/block_producer/mod.rs:295:1: 295:41>` is well-formed
... and 2 other queries... use `env RUST_BACKTRACE=1` to see the full query stack
note: Clippy version: clippy 0.1.101 (080cc27146 2026-10-11)