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ICE: tuple_fields called on non-tuple #78469

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leontoeides opened this issue Oct 28, 2020 · 1 comment
Closed

ICE: tuple_fields called on non-tuple #78469

leontoeides opened this issue Oct 28, 2020 · 1 comment
Labels
C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.

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@leontoeides
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Code

use sqlx::mysql::MySqlPool;
use actix_web::{get, web, App, HttpServer, Responder};

#[actix_web::main]
async fn main() -> std::io::Result<()> {

    let sqlx_mysql_pool = block_on(MySqlPool::new("xxx"))?;

    HttpServer::new(|| App::new().service(index))
        .bind("127.0.0.1:8080")?
        .run()
        .await

}

Meta

rustc --version --verbose:

rustc 1.49.0-nightly (ffa2e7ae8 2020-10-24)
binary: rustc
commit-hash: ffa2e7ae8fbf9badc035740db949b9dae271c29f
commit-date: 2020-10-24
host: x86_64-pc-windows-msvc
release: 1.49.0-nightly
LLVM version: 11.0

Error output

<output>
Backtrace 


error: internal compiler error: compiler\rustc_middle\src\ty\sty.rs:2150:18: tuple_fields called on non-tuple

thread 'rustc' panicked at 'Box<Any>', compiler\rustc_errors\src\lib.rs:945:9
stack backtrace:
   0:     0x7ffd32cc9b7e - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb7524420f9ae79f
   1:     0x7ffd32cf7adb - core::fmt::write::h435be716304d26a1
   2:     0x7ffd32cbb508 - <std::io::IoSliceMut as core::fmt::Debug>::fmt::h89e6d3fd1c80838c
   3:     0x7ffd32ccf0bd - std::panicking::take_hook::h1b5ffd09c3541ec0
   4:     0x7ffd32ccec98 - std::panicking::take_hook::h1b5ffd09c3541ec0
   5:     0x7ffd01792587 - rustc_driver::report_ice::h0a6a09ce1a074efd
   6:     0x7ffd32ccfb10 - std::panicking::rust_panic_with_hook::he9661a82982eed74
   7:     0x7ffd05dfb3d0 - <rustc_errors::registry::InvalidErrorCode as core::fmt::Debug>::fmt::haa47007281d8d69d
   8:     0x7ffd05dfb379 - <rustc_errors::registry::InvalidErrorCode as core::fmt::Debug>::fmt::haa47007281d8d69d
   9:     0x7ffd05e03661 - <rustc_errors::diagnostic::StringPart as core::fmt::Debug>::fmt::h0e74c1792db6aa41
  10:     0x7ffd05e35d6f - rustc_errors::HandlerInner::err_count::h3797b647eeace099
  11:     0x7ffd05e34422 - rustc_errors::Handler::bug::h0a174d32ca88e813
  12:     0x7ffd05a665df - rustc_middle::util::bug::bug_fmt::h42bac936f78c8dfd
  13:     0x7ffd05a613c0 - rustc_middle::ty::walk::<impl rustc_middle::ty::subst::GenericArg>::walk_shallow::h0d56592a32eb5063
  14:     0x7ffd05a61363 - rustc_middle::ty::walk::<impl rustc_middle::ty::subst::GenericArg>::walk_shallow::h0d56592a32eb5063
  15:     0x7ffd05a6650c - rustc_middle::util::bug::bug_fmt::h42bac936f78c8dfd
  16:     0x7ffd05a66470 - rustc_middle::util::bug::bug_fmt::h42bac936f78c8dfd
  17:     0x7ffd05b385d5 - rustc_middle::ty::sty::<impl rustc_middle::ty::TyS>::tuple_fields::h315ea9cf885486cf
  18:     0x7ffd054513e2 - rustc_trait_selection::traits::select::SelectionContext::coinductive_predicate::hde744dc0e14d887d
  19:     0x7ffd0544c049 - <rustc_infer::infer::InferCtxt as rustc_trait_selection::traits::query::outlives_bounds::InferCtxtExt>::implied_outlives_bounds::h34a6863ea2a18d9e
  20:     0x7ffd0544a508 - <rustc_infer::infer::InferCtxt as rustc_trait_selection::traits::query::outlives_bounds::InferCtxtExt>::implied_outlives_bounds::h34a6863ea2a18d9e
  21:     0x7ffd055b2518 - <rustc_trait_selection::traits::fulfill::PendingPredicateObligation as core::fmt::Debug>::fmt::h92f05826260f4bcb
  22:     0x7ffd0545be05 - <rustc_trait_selection::traits::select::ProvisionalEvaluation as core::fmt::Debug>::fmt::h4c8eb5f4ea01fbae
  23:     0x7ffd05453007 - <rustc_trait_selection::traits::select::TraitObligationStack as core::fmt::Debug>::fmt::h03e8a8a563b44037
  24:     0x7ffd0544f537 - rustc_trait_selection::traits::select::SelectionContext::evaluate_root_obligation::h400c34b59c6bf929
  25:     0x7ffd055b2d30 - <rustc_trait_selection::traits::fulfill::PendingPredicateObligation as core::fmt::Debug>::fmt::h92f05826260f4bcb
  26:     0x7ffd0545eb33 - <rustc_trait_selection::traits::select::ProvisionalEvaluation as core::fmt::Debug>::fmt::h4c8eb5f4ea01fbae
  27:     0x7ffd0544e9e7 - rustc_trait_selection::traits::select::SelectionContext::evaluate_root_obligation::h400c34b59c6bf929
  28:     0x7ffd055e077e - <rustc_trait_selection::traits::const_evaluatable::is_const_evaluatable::FailureKind as core::fmt::Debug>::fmt::h4a441d1c79b6b84c
  29:     0x7ffd0545ab7e - rustc_trait_selection::traits::select::SelectionContext::select::hec8a798b6b637183
  30:     0x7ffd05418172 - unicode_normalization::__test_api::stream_safe::h690fea7d6b5af898
  31:     0x7ffd0544e020 - rustc_trait_selection::traits::select::SelectionContext::evaluate_root_obligation::h400c34b59c6bf929
  32:     0x7ffd03aa66b8 - <rustc_middle::ty::sty::TraitRef as rustc_traits::chalk::lowering::LowerInto<chalk_solve::rust_ir::TraitBound<rustc_middle::traits::chalk::RustInterner>>>::lower_into::h9a4d24d0da6426c6
  33:     0x7ffd03b0ae0d - <&rustc_middle::ty::list::List<rustc_middle::ty::subst::GenericArg> as rustc_traits::chalk::lowering::LowerInto<chalk_ir::Substitution<rustc_middle::traits::chalk::RustInterner>>>::lower_into::h59fc4b41ce4b3a29
  34:     0x7ffd0541f570 - unicode_normalization::__test_api::stream_safe::h690fea7d6b5af898
  35:     0x7ffd055affbc - <rustc_trait_selection::traits::fulfill::PendingPredicateObligation as core::fmt::Debug>::fmt::h92f05826260f4bcb
  36:     0x7ffd05463ad9 - <rustc_trait_selection::traits::select::ProvisionalEvaluation as core::fmt::Debug>::fmt::h4c8eb5f4ea01fbae
  37:     0x7ffd055ae774 - <rustc_trait_selection::traits::fulfill::PendingPredicateObligation as core::fmt::Debug>::fmt::h92f05826260f4bcb
  38:     0x7ffd0557b206 - <rustc_trait_selection::traits::fulfill::PendingPredicateObligation as core::fmt::Debug>::fmt::h92f05826260f4bcb
  39:     0x7ffd0544687b - <rustc_infer::infer::InferCtxt as rustc_trait_selection::traits::query::evaluate_obligation::InferCtxtExt>::evaluate_obligation::hbcb59ac653d1eea7
  40:     0x7ffd0544693d - <rustc_infer::infer::InferCtxt as rustc_trait_selection::traits::query::evaluate_obligation::InferCtxtExt>::evaluate_obligation_no_overflow::h0d0e28aaec42fdd8
  41:     0x7ffd05516c69 - <rustc_trait_selection::traits::fulfill::PendingPredicateObligation as core::fmt::Debug>::fmt::h92f05826260f4bcb
  42:     0x7ffd05515b83 - rustc_trait_selection::traits::fulfill::FulfillProcessor::progress_changed_obligations::hfc0d5092e740d698
  43:     0x7ffd055b3698 - <rustc_trait_selection::traits::fulfill::PendingPredicateObligation as core::fmt::Debug>::fmt::h92f05826260f4bcb
  44:     0x7ffd05514c4c - <rustc_trait_selection::traits::fulfill::FulfillmentContext as rustc_infer::traits::engine::TraitEngine>::select_where_possible::hd650af685fe950e5
  45:     0x7ffd03dd76e7 - rustc_typeck::check::fn_ctxt::_impl::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::field_ty::hf4c05ad264ffe51b
  46:     0x7ffd0402ff83 - <rustc_typeck::astconv::PathSeg as core::fmt::Debug>::fmt::hfd86fd5c2458e7e2
  47:     0x7ffd040c4e1a - <rustc_typeck::check::fixup_opaque_types::FixupFolder as rustc_middle::ty::fold::TypeFolder>::fold_ty::hcdc6c08b5c1ca355
  48:     0x7ffd05c71c06 - rustc_middle::dep_graph::<impl rustc_query_system::dep_graph::DepKind for rustc_middle::dep_graph::dep_node::DepKind>::debug_node::h91f9b4aad6669883
  49:     0x7ffd05d18ec2 - <rustc_middle::ty::consts::kind::InferConst as core::fmt::Debug>::fmt::h0b895a994521cdda
  50:     0x7ffd05a787df - <rustc_middle::ty::subst::UserSubsts as core::fmt::Debug>::fmt::ha79bbe41fd6e2e7c
  51:     0x7ffd0590fa41 - <rustc_infer::infer::free_regions::FreeRegionMap as core::fmt::Debug>::fmt::h63def5b4465dc53f
  52:     0x7ffd05a0ea12 - rustc_middle::ty::query::force_from_dep_node::hb044d9c2643b7b30
  53:     0x7ffd03fb2c03 - <<rustc_typeck::collect::const_evaluatable_predicates_of::ConstCollector as rustc_hir::intravisit::Visitor>::visit_ty::TyAliasVisitor as rustc_middle::ty::fold::TypeVisitor>::visit_const::hf3927083f687e271
  54:     0x7ffd03fb2a0e - <<rustc_typeck::collect::const_evaluatable_predicates_of::ConstCollector as rustc_hir::intravisit::Visitor>::visit_ty::TyAliasVisitor as rustc_middle::ty::fold::TypeVisitor>::visit_const::hf3927083f687e271
  55:     0x7ffd03eb4c51 - rustc_typeck::check::writeback::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::resolve_type_vars_in_body::h4c9e8bc9efe88ee2
  56:     0x7ffd040ca5a4 - <rustc_typeck::check::CheckItemTypesVisitor as rustc_hir::itemlikevisit::ItemLikeVisitor>::visit_item::h42a56a7a7b0b6e7b
  57:     0x7ffd03f9418d - <<rustc_typeck::collect::const_evaluatable_predicates_of::ConstCollector as rustc_hir::intravisit::Visitor>::visit_ty::TyAliasVisitor as rustc_middle::ty::fold::TypeVisitor>::visit_const::hf3927083f687e271
  58:     0x7ffd03ee1466 - <rustc_typeck::outlives::implicit_infer::InferVisitor as rustc_hir::itemlikevisit::ItemLikeVisitor>::visit_item::h8baf1728e76b3c64
  59:     0x7ffd03fa7f7f - <<rustc_typeck::collect::const_evaluatable_predicates_of::ConstCollector as rustc_hir::intravisit::Visitor>::visit_ty::TyAliasVisitor as rustc_middle::ty::fold::TypeVisitor>::visit_const::hf3927083f687e271
  60:     0x7ffd03f42789 - <rustc_typeck::outlives::explicit::ExplicitPredicatesMap as core::fmt::Debug>::fmt::hd3d7c0c50e41d57c
  61:     0x7ffd03e4edeb - rustc_typeck::check::writeback::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::resolve_type_vars_in_body::h4c9e8bc9efe88ee2
  62:     0x7ffd03fe8bba - rustc_typeck::check_crate::he8b36c3222a01778
  63:     0x7ffd019a9b83 - rustc_interface::passes::QueryContext::print_stats::h83316569f356654e
  64:     0x7ffd017190ab - <[i64] as rand::AsByteSliceMut>::to_le::he7bd17e5835d34e6
  65:     0x7ffd0171a7b6 - <[i64] as rand::AsByteSliceMut>::to_le::he7bd17e5835d34e6
  66:     0x7ffd017af8af - rustc_ast::util::parser::prec_let_scrutinee_needs_par::h67b9ec40d4cf07ae
  67:     0x7ffd017a99be - <rustc_driver::Compilation as core::fmt::Debug>::fmt::h514b7a76f78a44e9
  68:     0x7ffd0173c912 - <rustc_span::symbol::SymbolStr as core::fmt::Display>::fmt::h58939e9964733da9
  69:     0x7ffd0171b44c - <[i64] as rand::AsByteSliceMut>::to_le::he7bd17e5835d34e6
  70:     0x7ffd017ab308 - rustc_ast::util::parser::prec_let_scrutinee_needs_par::h67b9ec40d4cf07ae
  71:     0x7ffd01772d66 - <rustc_ast::ast::Item<rustc_ast::ast::AssocItemKind> as rustc_ast::attr::HasAttrs>::attrs::hd867a83e3b0f360d
  72:     0x7ffd017ae5c8 - rustc_ast::util::parser::prec_let_scrutinee_needs_par::h67b9ec40d4cf07ae
  73:     0x7ffd01796f00 - <rustc_driver::Compilation as core::fmt::Debug>::fmt::h514b7a76f78a44e9
  74:     0x7ffd017b29cb - rustc_ast::util::parser::prec_let_scrutinee_needs_par::h67b9ec40d4cf07ae
  75:     0x7ffd01734723 - <rustc_span::symbol::SymbolStr as core::fmt::Display>::fmt::h58939e9964733da9
  76:     0x7ffd32cdfb37 - std::sys::windows::thread::Thread::new::hdbe5c1228d1cf93a
  77:     0x7ffd61447034 - BaseThreadInitThunk
  78:     0x7ffd6267cec1 - RtlUserThreadStart

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 1.49.0-nightly (ffa2e7ae8 2020-10-24) running on x86_64-pc-windows-msvc

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:
#0 [evaluate_obligation] evaluating trait selection obligation `[closure@src\main.rs:148:21: 148:49]: std::clone::Clone`
#1 [typeck] type-checking `main`
#2 [typeck_item_bodies] type-checking all item bodies
#3 [analysis] running analysis passes on this crate
end of query stack
error: aborting due to 3 previous errors; 4 warnings emitted

Some errors have detailed explanations: E0425, E0432.
For more information about an error, try `rustc --explain E0425`.
error: could not compile `pronavio`

To learn more, run the command again with --verbose.

@leontoeides leontoeides added C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Oct 28, 2020
@jyn514
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jyn514 commented Oct 28, 2020

Duplicate of #77993.

@jyn514 jyn514 closed this as completed Oct 28, 2020
@camelid camelid changed the title note: the compiler unexpectedly panicked. this is a bug. ICE: tuple_fields called on non-tuple Oct 28, 2020
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C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
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