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Profile data file 'results/clgout-nightly-2026-08-15-deep-vector-Check-IncrUnchanged-Threads1' (creator: callgrind-3.25.1)
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I1 cache: 
D1 cache: 
LL cache: 
Timerange: Basic block 0 - 190742169
Trigger: Program termination
Profiled target:  /home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/bin/rustc --crate-name issue_20936_deep_vector --edition=2015 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg cfg(docsrs,test) --check-cfg cfg(feature, values()) -C metadata=6da138d540fe9ca4 -C extra-filename=-b5058d3eaba94b00 --out-dir /tmp/.tmpoVSwCC/target/debug/deps -L dependency=/tmp/.tmpoVSwCC/target/debug/deps -C incremental=/tmp/.tmpoVSwCC/incremental-state -Zthreads=1 -Adeprecated -Aunknown-lints -Zincremental-verify-ich (PID 249965, part 1)
Events recorded:  Ir
Events shown:     Ir
Event sort order: Ir
Thresholds:       99
Include dirs:     
User annotated:   
Auto-annotation:  on

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Ir                     
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1,237,428,788 (100.0%)  PROGRAM TOTALS

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Ir                    file:function
--------------------------------------------------------------------------------
159,635,536 (12.90%)  ???:<rustc_expand::expand::MacroExpander>::fully_expand_fragment [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
112,580,136 ( 9.10%)  ???:<rustc_parse::parser::Parser>::parse_expr_force_collect [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
 74,239,697 ( 6.00%)  ???:<rustc_parse::parser::Parser>::collect_tokens_for_expr::<<rustc_parse::parser::Parser>::parse_expr_dot_or_call::{closure#0}>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
 70,755,630 ( 5.72%)  ???:tcache_bin_flush_small [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/bin/rustc]
 55,472,711 ( 4.48%)  ???:free [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/bin/rustc]
 52,213,828 ( 4.22%)  ???:<rustc_parse::lexer::Lexer>::next_token_from_cursor [???]
 50,405,693 ( 4.07%)  ???:<rustc_hir::hir::Expr as rustc_data_structures::stable_hash::StableHash>::stable_hash::<rustc_middle::ich::StableHashState>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
 38,884,636 ( 3.14%)  ???:malloc [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/bin/rustc]
 36,102,390 ( 2.92%)  ???:<rustc_lexer::Cursor>::advance_token [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
 34,821,471 ( 2.81%)  ???:<rustc_ast_lowering::LoweringContext>::lower_expr_mut'2 [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
 31,953,587 ( 2.58%)  ???:<rustc_parse::parser::Parser>::collect_tokens_for_expr::<<rustc_parse::parser::Parser>::parse_expr_dot_or_call::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
 25,293,177 ( 2.04%)  ???:<rustc_span::span_encoding::Span>::to [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
 24,338,447 ( 1.97%)  ???:<rustc_parse::parser::Parser>::parse_expr_array_or_repeat'2 [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
 23,501,816 ( 1.90%)  ???:malloc_default [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/bin/rustc]
 23,113,819 ( 1.87%)  ???:<rustc_query_impl::query_vtables::typeck_root::make_query_vtable::{closure#2} as core::ops::function::FnOnce<(&mut rustc_middle::ich::StableHashState, &rustc_middle::query::erase::ErasedData<[u8; 8]>)>>::call_once [???]
 21,754,838 ( 1.76%)  ???:<rustc_parse::parser::Parser>::parse_expr_assoc_after_attrs'2 [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
 21,074,730 ( 1.70%)  ???:<rustc_ast::tokenstream::LazyAttrTokenStream>::to_attr_token_stream [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
 19,035,240 ( 1.54%)  ???:<rustc_ast::ast::LitKind>::from_token_lit [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
 15,862,095 ( 1.28%)  ???:pa_alloc [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/bin/rustc]
 14,956,337 ( 1.21%)  ???:<alloc::sync::Arc<rustc_ast::tokenstream::LazyAttrTokenStreamInner>>::drop_slow [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
 14,488,354 ( 1.17%)  ???:<rustc_middle::ty::typeck_results::TypeckResults as rustc_serialize::serialize::Decodable<rustc_middle::query::on_disk_cache::CacheDecoder>>::decode'2 [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
 14,005,673 ( 1.13%)  ???:<rustc_parse::lexer::Lexer>::lex_token_trees'2 [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
 13,597,995 ( 1.10%)  ???:<rustc_parse::parser::Parser>::parse_token_tree [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
 11,830,937 ( 0.96%)  ???:<rustc_middle::ty::Ty as rustc_serialize::serialize::Decodable<rustc_middle::query::on_disk_cache::CacheDecoder>>::decode [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
 11,422,655 ( 0.92%)  ???:<rustc_lint::levels::LintLevelsBuilder<rustc_lint::levels::TopDown>>::push [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
 11,149,494 ( 0.90%)  ???:<rustc_parse::parser::Parser>::parse_expr_assoc_after_attrs [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
 10,667,706 ( 0.86%)  ???:<hashbrown::raw::RawTable<(rustc_span::span_encoding::Span, (rustc_span::span_encoding::Span, bool))>>::reserve_rehash::<hashbrown::map::make_hasher<rustc_span::span_encoding::Span, (rustc_span::span_encoding::Span, bool), rustc_hash::FxBuildHasher>::{closure#0}> [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
 10,660,342 ( 0.86%)  ???:<rustc_stable_hash::sip128::SipHasher128>::short_write_process_buffer::<8> [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
 10,065,851 ( 0.81%)  ???:0x0000000000173dc0 [/usr/lib/libc.so.6]
  9,926,760 ( 0.80%)  ???:<rustc_lint::BuiltinCombinedEarlyLintPass as rustc_lint::passes::EarlyLintPass>::check_expr [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
  9,926,279 ( 0.80%)  ???:<rustc_lint::early::EarlyContextAndPass<rustc_lint::BuiltinCombinedEarlyLintPass>>::with_lint_attrs::<<rustc_lint::early::EarlyContextAndPass<rustc_lint::BuiltinCombinedEarlyLintPass> as rustc_ast::visit::Visitor>::visit_expr::{closure#0}>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
  9,112,149 ( 0.74%)  ???:rustc_middle::ty::codec::encode_with_shorthand::<rustc_middle::query::on_disk_cache::CacheEncoder, rustc_middle::ty::Ty, <rustc_middle::query::on_disk_cache::CacheEncoder as rustc_middle::ty::codec::TyEncoder>::type_shorthands> [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
  8,701,824 ( 0.70%)  ???:<rustc_ast::tokenstream::AttrTokenStream>::to_token_trees [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
  8,430,466 ( 0.68%)  ???:<rustc_ast::ast::Expr as rustc_ast::visit::Walkable<rustc_metadata::creader::fn_spans::Finder>>::walk_ref'2 [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
  6,662,432 ( 0.54%)  ???:<rustc_expand::expand::InvocationCollector as rustc_ast::mut_visit::MutVisitor>::filter_map_expr'2 [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
  6,390,988 ( 0.52%)  ???:<rustc_ast::ast::Expr as rustc_ast::mut_visit::MutWalkable<rustc_expand::expand::InvocationCollector>>::walk_mut'2 [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
  6,222,171 ( 0.50%)  ???:rustc_query_impl::incremental::encode_query_values_inner::<rustc_data_structures::vec_cache::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::ErasedData<[u8; 8]>, rustc_middle::dep_graph::graph::DepNodeIndex>, &rustc_middle::ty::typeck_results::TypeckResults>::{closure#0} [???]
  5,847,441 ( 0.47%)  ???:<rustc_resolve::late::LateResolutionVisitor>::resolve_expr'2 [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
  5,846,848 ( 0.47%)  ???:<rustc_ast_passes::feature_gate::PostExpansionVisitor as rustc_ast::visit::Visitor>::visit_expr'2 [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
  5,574,939 ( 0.45%)  ???:<rustc_ast::ast::Expr as rustc_ast::mut_visit::MutWalkable<rustc_expand::placeholders::PlaceholderExpander>>::walk_mut'2 [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
  5,439,066 ( 0.44%)  ???:rustc_hir::intravisit::walk_expr::<rustc_ast_lowering::index::NodeCollector>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
  5,438,762 ( 0.44%)  ???:core::ptr::drop_glue::<[rustc_expand::mbe::macro_parser::NamedMatch]> [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
  5,308,753 ( 0.43%)  ???:<rustc_type_ir::ty_kind::TyKind<rustc_middle::ty::context::TyCtxt> as rustc_data_structures::stable_hash::StableHash>::stable_hash::<rustc_middle::ich::StableHashState> [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
  5,303,009 ( 0.43%)  ???:<rustc_resolve::def_collector::DefCollector as rustc_ast::visit::Visitor>::visit_expr'2 [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
  5,241,236 ( 0.42%)  ???:<rustc_stable_hash::sip128::SipHasher128>::short_write_process_buffer::<4> [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
  5,167,010 ( 0.42%)  ???:<rustc_ast::ast::Expr as rustc_ast::mut_visit::MutWalkable<rustc_ast_lowering::index_ast::Indexer>>::walk_mut'2 [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
  4,965,260 ( 0.40%)  ???:pthread_mutex_unlock [/usr/lib/libc.so.6]
  4,759,962 ( 0.38%)  ???:<alloc::sync::Arc<alloc::vec::Vec<rustc_ast::tokenstream::TokenTree>>>::drop_slow'2 [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
  4,758,860 ( 0.38%)  ???:<alloc::sync::Arc<alloc::vec::Vec<rustc_ast::tokenstream::AttrTokenTree>>>::drop_slow [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
  4,714,294 ( 0.38%)  ???:md5::compress::soft::compress [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
  4,352,658 ( 0.35%)  ???:<alloc::raw_vec::RawVec<rustc_ast::tokenstream::TokenTree>>::grow_one [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
  4,303,312 ( 0.35%)  ???:pthread_mutex_trylock [/usr/lib/libc.so.6]
  4,215,233 ( 0.34%)  ???:<rustc_ast::ast::Expr as rustc_ast::visit::Walkable<rustc_ast_passes::ast_validation::AstValidator>>::walk_ref'2 [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
  4,215,233 ( 0.34%)  ???:<rustc_ast::ast::Expr as rustc_ast::visit::Walkable<rustc_passes::debugger_visualizer::DebuggerVisualizerCollector>>::walk_ref'2 [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
  4,215,233 ( 0.34%)  ???:<rustc_ast::ast::Expr as rustc_ast::visit::Walkable<rustc_passes::lang_items::LanguageItemCollector>>::walk_ref'2 [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
  4,215,233 ( 0.34%)  ???:<rustc_ast::ast::Expr as rustc_ast::visit::Walkable<rustc_resolve::late::ItemInfoCollector>>::walk_ref'2 [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
  4,080,602 ( 0.33%)  ???:memchr::arch::x86_64::memchr::memchr_raw::find_avx2 [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
  4,079,878 ( 0.33%)  ???:<alloc::sync::Arc<alloc::vec::Vec<rustc_ast::tokenstream::TokenTree>>>::drop_slow [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
  3,943,072 ( 0.32%)  ???:<rustc_expand::mbe::macro_parser::TtParser>::check_for_ambiguity::<std::collections::hash::map::HashMap<rustc_span::symbol::MacroRulesNormalizedIdent, rustc_expand::mbe::macro_parser::NamedMatch, rustc_hash::FxBuildHasher>, rustc_expand::mbe::macro_rules::NoopTracker> [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
  3,807,331 ( 0.31%)  ???:<rustc_middle::hir::map::ItemCollector as rustc_hir::intravisit::Visitor>::visit_expr'2 [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
  3,263,200 ( 0.26%)  ???:<rustc_lint::builtin::KeywordIdents>::check_tokens [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
  2,991,270 ( 0.24%)  ???:<rustc_ast::tokenstream::TokenStream>::desugar_doc_comments::desugar_inner [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
  2,949,572 ( 0.24%)  ???:0x000000000000fb40 [/usr/lib/ld-linux-x86-64.so.2]
  2,864,674 ( 0.23%)  ???:<rustc_stable_hash::sip128::SipHasher128>::short_write_process_buffer::<1> [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
  2,719,422 ( 0.22%)  ???:thin_vec::drop_non_singleton::<alloc::boxed::Box<rustc_ast::ast::Expr>>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
  2,583,526 ( 0.21%)  ???:core::ptr::drop_glue::<rustc_ast::ast::ExprKind>'2 [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
  2,583,456 ( 0.21%)  ???:core::ptr::drop_glue::<rustc_ast::ast::ExprKind> [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
  2,311,422 ( 0.19%)  ???:<rustc_expand::placeholders::PlaceholderExpander as rustc_ast::mut_visit::MutVisitor>::filter_map_expr [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
  1,924,801 ( 0.16%)  ???:pa_dalloc [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/bin/rustc]
  1,865,032 ( 0.15%)  ???:tcache_bin_flush_stashed [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/bin/rustc]
  1,657,033 ( 0.13%)  ???:0x0000000000173660 [/usr/lib/libc.so.6]
  1,626,742 ( 0.13%)  ???:<rustc_span::MetavarSpansMap>::freeze_and_get_read_spans [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
  1,407,505 ( 0.11%)  ???:free_default [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/bin/rustc]
  1,328,401 ( 0.11%)  ???:<rustc_ast_lowering::LoweringContext>::make_owner_info [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
  1,218,027 ( 0.10%)  ???:0x00000000001747c0 [/usr/lib/libc.so.6]
    883,778 ( 0.07%)  ???:<rustc_span::SourceFile>::new [/home/moon/.rustup/toolchains/nightly-2026-08-15-x86_64-unknown-linux-gnu/lib/librustc_driver-71d1c25d9e8c90fa.so]
    859,518 ( 0.07%)  ???:0x000000000000ba80 [/usr/lib/ld-linux-x86-64.so.2]
    847,989 ( 0.07%)  ???:0x000000000000aec0 [/usr/lib/ld-linux-x86-64.so.2]
    677,506 ( 0.05%)  ???:dladdr [/usr/lib/libc.so.6]