thread 'rustc' panicked at 'expected `NodeId` to be lowered already for res Local( NodeId(28), )', compiler/rustc_ast_lowering/src/lib.rs:714:17 stack backtrace: 0: rust_begin_unwind at /rustc/8e54a21139ae96a2aca3129100b057662e2799b9/library/std/src/panicking.rs:493:5 1: std::panicking::begin_panic_fmt at /rustc/8e54a21139ae96a2aca3129100b057662e2799b9/library/std/src/panicking.rs:435:5 2: rustc_ast_lowering::LoweringContext::lower_node_id_generic 3: rustc_ast_lowering::path::<impl rustc_ast_lowering::LoweringContext>::lower_qpath 4: rustc_data_structures::stack::ensure_sufficient_stack 5: rustc_data_structures::stack::ensure_sufficient_stack 6: <smallvec::SmallVec<A> as core::iter::traits::collect::Extend<<A as smallvec::Array>::Item>>::extend 7: rustc_ast_lowering::expr::<impl rustc_ast_lowering::LoweringContext>::lower_exprs 8: rustc_data_structures::stack::ensure_sufficient_stack 9: rustc_data_structures::stack::ensure_sufficient_stack 10: rustc_data_structures::stack::ensure_sufficient_stack 11: <smallvec::SmallVec<A> as core::iter::traits::collect::Extend<<A as smallvec::Array>::Item>>::extend 12: rustc_ast_lowering::expr::<impl rustc_ast_lowering::LoweringContext>::lower_exprs 13: rustc_data_structures::stack::ensure_sufficient_stack 14: <smallvec::SmallVec<A> as core::iter::traits::collect::Extend<<A as smallvec::Array>::Item>>::extend 15: rustc_ast_lowering::expr::<impl rustc_ast_lowering::LoweringContext>::lower_exprs 16: rustc_data_structures::stack::ensure_sufficient_stack 17: rustc_ast_lowering::LoweringContext::lower_stmt 18: core::ops::function::impls::<impl core::ops::function::FnMut<A> for &mut F>::call_mut 19: <core::iter::adapters::flatten::Flatten<I> as core::iter::traits::iterator::Iterator>::next 20: <smallvec::SmallVec<A> as core::iter::traits::collect::Extend<<A as smallvec::Array>::Item>>::extend 21: rustc_arena::cold_path 22: rustc_ast_lowering::LoweringContext::lower_block 23: rustc_data_structures::stack::ensure_sufficient_stack 24: rustc_ast_lowering::expr::<impl rustc_ast_lowering::LoweringContext>::lower_expr_assign 25: rustc_data_structures::stack::ensure_sufficient_stack 26: rustc_ast_lowering::LoweringContext::lower_stmt 27: core::ops::function::impls::<impl core::ops::function::FnMut<A> for &mut F>::call_mut 28: <core::iter::adapters::flatten::Flatten<I> as core::iter::traits::iterator::Iterator>::next 29: <smallvec::SmallVec<A> as core::iter::traits::collect::Extend<<A as smallvec::Array>::Item>>::extend 30: rustc_arena::cold_path 31: rustc_ast_lowering::expr::<impl rustc_ast_lowering::LoweringContext>::lower_expr_if 32: rustc_data_structures::stack::ensure_sufficient_stack 33: rustc_ast_lowering::LoweringContext::lower_stmt 34: core::ops::function::impls::<impl core::ops::function::FnMut<A> for &mut F>::call_mut 35: <core::iter::adapters::flatten::Flatten<I> as core::iter::traits::iterator::Iterator>::next 36: <smallvec::SmallVec<A> as core::iter::traits::collect::Extend<<A as smallvec::Array>::Item>>::extend 37: rustc_arena::cold_path 38: rustc_ast_lowering::item::<impl rustc_ast_lowering::LoweringContext>::lower_fn_body_block 39: rustc_ast_lowering::item::<impl rustc_ast_lowering::LoweringContext>::lower_maybe_async_body 40: rustc_ast_lowering::item::<impl rustc_ast_lowering::LoweringContext>::lower_item 41: rustc_ast_lowering::LoweringContext::with_hir_id_owner 42: <rustc_ast_lowering::item::ItemLowerer as rustc_ast::visit::Visitor>::visit_mod 43: rustc_ast_lowering::lower_crate 44: rustc_interface::passes::BoxedResolver::access::{{closure}} 45: rustc_interface::passes::configure_and_expand::{{closure}} 46: rustc_interface::queries::Queries::lower_to_hir 47: rustc_interface::queries::Queries::global_ctxt 48: rustc_interface::queries::<impl rustc_interface::interface::Compiler>::enter 49: rustc_span::with_source_map 50: scoped_tls::ScopedKey<T>::set note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace. error: internal compiler error: unexpected panic note: 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 1.52.0-nightly (8e54a2113 2021-02-13) running on x86_64-unknown-linux-gnu note: compiler flags: -C embed-bitcode=no -C debuginfo=2 -C incremental --crate-type bin note: some of the compiler flags provided by cargo are hidden query stack during panic: end of query stack error: could not compile `bug` To learn more, run the command again with --verbose.