warning: the feature `non_lifetime_binders` is incomplete and may not be safe to use and/or cause compiler crashes --> 8BADA2EFE1A11E43FBD02C82C65B5244C97B4D07A0AD828400AC2E5B9329F751.rs:1:12 | 1 | #![feature(non_lifetime_binders)] | ^^^^^^^^^^^^^^^^^^^^ | = note: see issue #108185 <https://github.com/rust-lang/rust/issues/108185> for more information = note: `#[warn(incomplete_features)]` on by default error: internal compiler error: compiler/rustc_middle/src/ty/sty.rs:2835:17: `is_trivially_sized` applied to unexpected type: V thread 'rustc' panicked at /rustc/c57393e4f8b88444fbf0985a81a2d662862f2733/compiler/rustc_errors/src/lib.rs:1635:9: Box<dyn Any> stack backtrace: 0: 0x7fab9411945c - std::backtrace_rs::backtrace::libunwind::trace::h7e24895661a074cd at /rustc/c57393e4f8b88444fbf0985a81a2d662862f2733/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 1: 0x7fab9411945c - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ae92fabb42b15c at /rustc/c57393e4f8b88444fbf0985a81a2d662862f2733/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 2: 0x7fab9411945c - std::sys_common::backtrace::_print_fmt::h11ded4f8f5b0329f at /rustc/c57393e4f8b88444fbf0985a81a2d662862f2733/library/std/src/sys_common/backtrace.rs:67:5 3: 0x7fab9411945c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hc90f9f5ac29432d5 at /rustc/c57393e4f8b88444fbf0985a81a2d662862f2733/library/std/src/sys_common/backtrace.rs:44:22 4: 0x7fab9417f5ac - core::fmt::rt::Argument::fmt::h4c20a05991cc3745 at /rustc/c57393e4f8b88444fbf0985a81a2d662862f2733/library/core/src/fmt/rt.rs:138:9 5: 0x7fab9417f5ac - core::fmt::write::h9a84aabb8cd6953f at /rustc/c57393e4f8b88444fbf0985a81a2d662862f2733/library/core/src/fmt/mod.rs:1094:21 6: 0x7fab9410bdfe - std::io::Write::write_fmt::h23a1fdb70e60ca96 at /rustc/c57393e4f8b88444fbf0985a81a2d662862f2733/library/std/src/io/mod.rs:1714:15 7: 0x7fab94119244 - std::sys_common::backtrace::_print::h93f5a4ced68361a5 at /rustc/c57393e4f8b88444fbf0985a81a2d662862f2733/library/std/src/sys_common/backtrace.rs:47:5 8: 0x7fab94119244 - std::sys_common::backtrace::print::h8c8b1e3e278d8649 at /rustc/c57393e4f8b88444fbf0985a81a2d662862f2733/library/std/src/sys_common/backtrace.rs:34:9 9: 0x7fab9411c33a - std::panicking::panic_hook_with_disk_dump::{{closure}}::h25dd3773dffd1d00 at /rustc/c57393e4f8b88444fbf0985a81a2d662862f2733/library/std/src/panicking.rs:278:22 10: 0x7fab9411c027 - std::panicking::panic_hook_with_disk_dump::ha01b0d9be84d4dd7 at /rustc/c57393e4f8b88444fbf0985a81a2d662862f2733/library/std/src/panicking.rs:312:9 11: 0x7fab92f5d999 - rustc_driver_impl[3c7dc59cb046a4dd]::install_ice_hook::{closure#0} 12: 0x7fab9411cbe0 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h2e0697fdfbf35585 at /rustc/c57393e4f8b88444fbf0985a81a2d662862f2733/library/alloc/src/boxed.rs:2021:9 13: 0x7fab9411cbe0 - std::panicking::rust_panic_with_hook::h6f0de6ca2daef081 at /rustc/c57393e4f8b88444fbf0985a81a2d662862f2733/library/std/src/panicking.rs:733:13 14: 0x7fab934d3661 - std[590ec69203f6bd62]::panicking::begin_panic::<rustc_errors[615d1ee814c5996f]::ExplicitBug>::{closure#0} 15: 0x7fab934d1ad6 - std[590ec69203f6bd62]::sys_common::backtrace::__rust_end_short_backtrace::<std[590ec69203f6bd62]::panicking::begin_panic<rustc_errors[615d1ee814c5996f]::ExplicitBug>::{closure#0}, !> 16: 0x7fab93442a86 - std[590ec69203f6bd62]::panicking::begin_panic::<rustc_errors[615d1ee814c5996f]::ExplicitBug> 17: 0x7fab934b7f14 - <rustc_errors[615d1ee814c5996f]::HandlerInner>::bug::<alloc[bbc2534da1f72b7e]::string::String> 18: 0x7fab934b7da6 - <rustc_errors[615d1ee814c5996f]::Handler>::bug::<alloc[bbc2534da1f72b7e]::string::String> 19: 0x7fab93525a3c - rustc_middle[312d8f8c3503f059]::util::bug::opt_span_bug_fmt::<rustc_span[f7e3d02a9c43aa24]::span_encoding::Span>::{closure#0} 20: 0x7fab9352586a - rustc_middle[312d8f8c3503f059]::ty::context::tls::with_opt::<rustc_middle[312d8f8c3503f059]::util::bug::opt_span_bug_fmt<rustc_span[f7e3d02a9c43aa24]::span_encoding::Span>::{closure#0}, !>::{closure#0} 21: 0x7fab93525838 - rustc_middle[312d8f8c3503f059]::ty::context::tls::with_context_opt::<rustc_middle[312d8f8c3503f059]::ty::context::tls::with_opt<rustc_middle[312d8f8c3503f059]::util::bug::opt_span_bug_fmt<rustc_span[f7e3d02a9c43aa24]::span_encoding::Span>::{closure#0}, !>::{closure#0}, !> 22: 0x7fab91772370 - rustc_middle[312d8f8c3503f059]::util::bug::bug_fmt 23: 0x7fab9103ce37 - <rustc_middle[312d8f8c3503f059]::ty::Ty>::is_trivially_sized 24: 0x7fab92148e9b - <rustc_middle[312d8f8c3503f059]::ty::ParamEnvAnd<rustc_middle[312d8f8c3503f059]::traits::query::type_op::ProvePredicate> as rustc_trait_selection[1eabeee33a6be0d5]::traits::query::type_op::TypeOp>::fully_perform 25: 0x7fab91dfd317 - <rustc_borrowck[2d1b62fc948ef02b]::type_check::TypeChecker>::normalize_and_prove_instantiated_predicates 26: 0x7fab91dfdfc4 - <rustc_borrowck[2d1b62fc948ef02b]::type_check::TypeVerifier as rustc_middle[312d8f8c3503f059]::mir::visit::Visitor>::visit_constant 27: 0x7fab91de735a - <rustc_borrowck[2d1b62fc948ef02b]::type_check::TypeVerifier as rustc_middle[312d8f8c3503f059]::mir::visit::Visitor>::visit_body 28: 0x7fab91d7a557 - rustc_borrowck[2d1b62fc948ef02b]::type_check::type_check 29: 0x7fab91d63a3b - rustc_borrowck[2d1b62fc948ef02b]::nll::compute_regions 30: 0x7fab91d47032 - rustc_borrowck[2d1b62fc948ef02b]::do_mir_borrowck 31: 0x7fab91d45275 - rustc_borrowck[2d1b62fc948ef02b]::mir_borrowck 32: 0x7fab9103bd0e - rustc_query_impl[6f335a6ac689f3cc]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[6f335a6ac689f3cc]::query_impl::mir_borrowck::dynamic_query::{closure#2}::{closure#0}, rustc_middle[312d8f8c3503f059]::query::erase::Erased<[u8; 8usize]>> 33: 0x7fab9103bcde - <rustc_query_impl[6f335a6ac689f3cc]::query_impl::mir_borrowck::dynamic_query::{closure#2} as core[82106fbad00a9fec]::ops::function::FnOnce<(rustc_middle[312d8f8c3503f059]::ty::context::TyCtxt, rustc_span[f7e3d02a9c43aa24]::def_id::LocalDefId)>>::call_once 34: 0x7fab91133b9d - rustc_query_system[c7dced7d5402288e]::query::plumbing::try_execute_query::<rustc_query_impl[6f335a6ac689f3cc]::DynamicConfig<rustc_query_system[c7dced7d5402288e]::query::caches::VecCache<rustc_span[f7e3d02a9c43aa24]::def_id::LocalDefId, rustc_middle[312d8f8c3503f059]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[6f335a6ac689f3cc]::plumbing::QueryCtxt, false> 35: 0x7fab928d626f - rustc_query_impl[6f335a6ac689f3cc]::query_impl::mir_borrowck::get_query_non_incr::__rust_end_short_backtrace 36: 0x7fab924852a6 - <rustc_session[de015b59d59f550c]::session::Session>::time::<(), rustc_interface[748212428c5afc91]::passes::analysis::{closure#1}> 37: 0x7fab92484a3e - rustc_interface[748212428c5afc91]::passes::analysis 38: 0x7fab9246d38a - rustc_query_impl[6f335a6ac689f3cc]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[6f335a6ac689f3cc]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[312d8f8c3503f059]::query::erase::Erased<[u8; 1usize]>> 39: 0x7fab9246d379 - <rustc_query_impl[6f335a6ac689f3cc]::query_impl::analysis::dynamic_query::{closure#2} as core[82106fbad00a9fec]::ops::function::FnOnce<(rustc_middle[312d8f8c3503f059]::ty::context::TyCtxt, ())>>::call_once 40: 0x7fab9260ac68 - rustc_query_system[c7dced7d5402288e]::query::plumbing::try_execute_query::<rustc_query_impl[6f335a6ac689f3cc]::DynamicConfig<rustc_query_system[c7dced7d5402288e]::query::caches::SingleCache<rustc_middle[312d8f8c3503f059]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[6f335a6ac689f3cc]::plumbing::QueryCtxt, false> 41: 0x7fab9260a9f7 - rustc_query_impl[6f335a6ac689f3cc]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace 42: 0x7fab92260806 - <rustc_middle[312d8f8c3503f059]::ty::context::GlobalCtxt>::enter::<rustc_driver_impl[3c7dc59cb046a4dd]::run_compiler::{closure#1}::{closure#2}::{closure#6}, core[82106fbad00a9fec]::result::Result<(), rustc_span[f7e3d02a9c43aa24]::ErrorGuaranteed>> 43: 0x7fab9225fc4d - <rustc_interface[748212428c5afc91]::interface::Compiler>::enter::<rustc_driver_impl[3c7dc59cb046a4dd]::run_compiler::{closure#1}::{closure#2}, core[82106fbad00a9fec]::result::Result<core[82106fbad00a9fec]::option::Option<rustc_interface[748212428c5afc91]::queries::Linker>, rustc_span[f7e3d02a9c43aa24]::ErrorGuaranteed>> 44: 0x7fab9225cf68 - std[590ec69203f6bd62]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[748212428c5afc91]::util::run_in_thread_pool_with_globals<rustc_interface[748212428c5afc91]::interface::run_compiler<core[82106fbad00a9fec]::result::Result<(), rustc_span[f7e3d02a9c43aa24]::ErrorGuaranteed>, rustc_driver_impl[3c7dc59cb046a4dd]::run_compiler::{closure#1}>::{closure#0}, core[82106fbad00a9fec]::result::Result<(), rustc_span[f7e3d02a9c43aa24]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[82106fbad00a9fec]::result::Result<(), rustc_span[f7e3d02a9c43aa24]::ErrorGuaranteed>> 45: 0x7fab927ca3f5 - <<std[590ec69203f6bd62]::thread::Builder>::spawn_unchecked_<rustc_interface[748212428c5afc91]::util::run_in_thread_pool_with_globals<rustc_interface[748212428c5afc91]::interface::run_compiler<core[82106fbad00a9fec]::result::Result<(), rustc_span[f7e3d02a9c43aa24]::ErrorGuaranteed>, rustc_driver_impl[3c7dc59cb046a4dd]::run_compiler::{closure#1}>::{closure#0}, core[82106fbad00a9fec]::result::Result<(), rustc_span[f7e3d02a9c43aa24]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[82106fbad00a9fec]::result::Result<(), rustc_span[f7e3d02a9c43aa24]::ErrorGuaranteed>>::{closure#1} as core[82106fbad00a9fec]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} 46: 0x7fab941273d5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h80ba6ed11f012e27 at /rustc/c57393e4f8b88444fbf0985a81a2d662862f2733/library/alloc/src/boxed.rs:2007:9 47: 0x7fab941273d5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h11cf951844702c6f at /rustc/c57393e4f8b88444fbf0985a81a2d662862f2733/library/alloc/src/boxed.rs:2007:9 48: 0x7fab941273d5 - std::sys::unix::thread::Thread::new::thread_start::h0b8dcfbdc24063c5 at /rustc/c57393e4f8b88444fbf0985a81a2d662862f2733/library/std/src/sys/unix/thread.rs:108:17 49: 0x7fab8fa8c9eb - <unknown> 50: 0x7fab8fb10ebc - <unknown> 51: 0x0 - <unknown> 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: please attach the file at `/tmp/f/rustc-ice-2023-08-15T22:43:39.585183257Z-3846529.txt` to your bug report note: compiler flags: --crate-type lib query stack during panic: #0 [mir_borrowck] borrow-checking `non_lifetime_binders` #1 [analysis] running analysis passes on this crate end of query stack error: aborting due to previous error; 1 warning emitted