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ICE: assertion failed: !ty.needs_infer() #112832

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#115559
Closed
ICE: assertion failed: !ty.needs_infer()#112832
#115559
Assignees
aliemjay
Labels
C-bugCategory: This is a bug.I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.glacierICE tracked in rust-lang/glacier.

Description

@Marwes
Marwes
opened on Jun 20, 2023

I tried this code: (minimized)

pub trait QueryDb {
    type Db;
}

pub struct QueryTable<Q, DB> {
    db: DB,
    storage: Q,
}

impl<Q> QueryTable<Q, <Q as QueryDb>::Db> where Q: for<'d> AsyncQueryFunction<'d> {}

pub trait AsyncQueryFunction<'d>: QueryDb<Db = <Self as AsyncQueryFunction<'d>>::SendDb> {
    type SendDb: 'd;
}

pub trait QueryStorageOpsAsync<Q>
where
    Q: for<'d> AsyncQueryFunction<'d>,
{
}

fn main() {}

I expected to see this happen: It should compile as it does on rust 1.69 and earlier (or at least not ICE).

Instead, this happened: The program fails to compile with an ICE (see backtrace).

Meta

rustc --version --verbose:

rustc 1.70.0 (90c541806 2023-05-31)
binary: rustc
commit-hash: 90c541806f23a127002de5b4038be731ba1458ca
commit-date: 2023-05-31
host: x86_64-apple-darwin
release: 1.70.0
LLVM version: 16.0.2

cc gluon issue that reported this gluon-lang/gluon#951 (the error is coming from https://crates.io/crates/gluon-salsa, a fork of https://crates.io/crates/salsa)

Backtrace 

[Running 'cargo check']
    Checking ice v0.1.0 (/Users/markus.westerlind/Code/ice)
thread 'rustc' panicked at 'assertion failed: !ty.needs_infer()', compiler/rustc_trait_selection/src/traits/outlives_bounds.rs:58:9
stack backtrace:
   0:        0x1065bcc66 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hae51cb91d407e2ef
   1:        0x10661c18b - core::fmt::write::h746bc0969202388b
   2:        0x1065b170c - std::io::Write::write_fmt::h4098c2c7437a0bd7
   3:        0x1065bca3a - std::sys_common::backtrace::print::h8360bf0158e89b36
   4:        0x1065bfc20 - std::panicking::default_hook::{{closure}}::hedf04c568eb6e0bc
   5:        0x1065bf9d0 - std::panicking::default_hook::h62889b2c29e2347d
   6:        0x1103b661a - rustc_driver_impl[eafeac5e4366564e]::DEFAULT_HOOK::{closure#0}::{closure#0}
   7:        0x1065c038a - std::panicking::rust_panic_with_hook::h22edd02828aff274
   8:        0x1065c00e3 - std::panicking::begin_panic_handler::{{closure}}::h6895f44a9b7e2caa
   9:        0x1065bd0a9 - std::sys_common::backtrace::__rust_end_short_backtrace::h013519e9b77978c5
  10:        0x1065bfe6d - _rust_begin_unwind
  11:        0x1066480d3 - core::panicking::panic_fmt::h2a51b60c12d11322
  12:        0x106648167 - core::panicking::panic::h00b4c20719c0abc2
  13:        0x111eb22a1 - <rustc_infer[8bdc2f06ca9271f6]::infer::InferCtxt as rustc_trait_selection[dd8d47d7dbab2993]::traits::outlives_bounds::InferCtxtExt>::implied_outlives_bounds
  14:        0x110661856 - <rustc_infer[8bdc2f06ca9271f6]::infer::outlives::env::OutlivesEnvironment>::with_bounds::<core[a404433b1679a212]::iter::adapters::flatten::FlatMap<indexmap[12aa5908c2e7a321]::set::IntoIter<rustc_middle[7fc0a978862eb49c]::ty::Ty>, alloc[c6d93a74176871ad]::vec::Vec<rustc_middle[7fc0a978862eb49c]::traits::query::OutlivesBound>, <rustc_infer[8bdc2f06ca9271f6]::infer::InferCtxt as rustc_trait_selection[dd8d47d7dbab2993]::traits::outlives_bounds::InferCtxtExt>::implied_bounds_tys::{closure#0}>>
  15:        0x11079a2dd - rustc_hir_analysis[24cefc37f6c5f787]::check::wfcheck::check_well_formed
  16:        0x1117e39b5 - <std[a8778ef3a639084b]::thread::local::LocalKey<core[a404433b1679a212]::cell::Cell<*const ()>>>::with::<rustc_middle[7fc0a978862eb49c]::ty::context::tls::enter_context<rustc_query_system[a65e9af7c6ae3d01]::query::plumbing::execute_job_incr<rustc_query_impl[598269a19ba1f561]::queries::check_well_formed, rustc_query_impl[598269a19ba1f561]::plumbing::QueryCtxt>::{closure#2}, (rustc_middle[7fc0a978862eb49c]::query::erase::Erased<[u8; 0usize]>, rustc_query_system[a65e9af7c6ae3d01]::dep_graph::graph::DepNodeIndex)>::{closure#0}, (rustc_middle[7fc0a978862eb49c]::query::erase::Erased<[u8; 0usize]>, rustc_query_system[a65e9af7c6ae3d01]::dep_graph::graph::DepNodeIndex)>
  17:        0x1116c58fd - rustc_query_system[a65e9af7c6ae3d01]::query::plumbing::try_execute_query::<rustc_query_impl[598269a19ba1f561]::queries::check_well_formed, rustc_query_impl[598269a19ba1f561]::plumbing::QueryCtxt>
  18:        0x1119a08be - <rustc_query_impl[598269a19ba1f561]::Queries as rustc_middle[7fc0a978862eb49c]::ty::query::QueryEngine>::check_well_formed
  19:        0x11078796b - rustc_data_structures[958e631f1985e39c]::sync::par_for_each_in::<&[rustc_hir[edfcb1a3e9db0f3e]::hir::ItemId], <rustc_middle[7fc0a978862eb49c]::hir::ModuleItems>::par_items<rustc_hir_analysis[24cefc37f6c5f787]::check::wfcheck::check_mod_type_wf::{closure#0}>::{closure#0}>
  20:        0x1107a0903 - rustc_hir_analysis[24cefc37f6c5f787]::check::wfcheck::check_mod_type_wf
  21:        0x1117e3045 - <std[a8778ef3a639084b]::thread::local::LocalKey<core[a404433b1679a212]::cell::Cell<*const ()>>>::with::<rustc_middle[7fc0a978862eb49c]::ty::context::tls::enter_context<rustc_query_system[a65e9af7c6ae3d01]::query::plumbing::execute_job_incr<rustc_query_impl[598269a19ba1f561]::queries::check_mod_type_wf, rustc_query_impl[598269a19ba1f561]::plumbing::QueryCtxt>::{closure#2}, (rustc_middle[7fc0a978862eb49c]::query::erase::Erased<[u8; 0usize]>, rustc_query_system[a65e9af7c6ae3d01]::dep_graph::graph::DepNodeIndex)>::{closure#0}, (rustc_middle[7fc0a978862eb49c]::query::erase::Erased<[u8; 0usize]>, rustc_query_system[a65e9af7c6ae3d01]::dep_graph::graph::DepNodeIndex)>
  22:        0x1116c509e - rustc_query_system[a65e9af7c6ae3d01]::query::plumbing::try_execute_query::<rustc_query_impl[598269a19ba1f561]::queries::check_mod_type_wf, rustc_query_impl[598269a19ba1f561]::plumbing::QueryCtxt>
  23:        0x1119935ce - <rustc_query_impl[598269a19ba1f561]::Queries as rustc_middle[7fc0a978862eb49c]::ty::query::QueryEngine>::check_mod_type_wf
  24:        0x110787a5b - rustc_data_structures[958e631f1985e39c]::sync::par_for_each_in::<&[rustc_hir[edfcb1a3e9db0f3e]::hir_id::OwnerId], <rustc_middle[7fc0a978862eb49c]::hir::map::Map>::par_for_each_module<rustc_hir_analysis[24cefc37f6c5f787]::check_crate::{closure#5}::{closure#0}::{closure#0}>::{closure#0}>
  25:        0x1106e7cad - <rustc_session[5be010f910a4943c]::session::Session>::track_errors::<rustc_hir_analysis[24cefc37f6c5f787]::check_crate::{closure#5}, ()>
  26:        0x110690b29 - rustc_hir_analysis[24cefc37f6c5f787]::check_crate
  27:        0x110c2a02d - rustc_interface[47617fbd5781a430]::passes::analysis
  28:        0x111865fdf - <std[a8778ef3a639084b]::thread::local::LocalKey<core[a404433b1679a212]::cell::Cell<*const ()>>>::with::<rustc_middle[7fc0a978862eb49c]::ty::context::tls::enter_context<rustc_query_system[a65e9af7c6ae3d01]::query::plumbing::execute_job_incr<rustc_query_impl[598269a19ba1f561]::queries::analysis, rustc_query_impl[598269a19ba1f561]::plumbing::QueryCtxt>::{closure#2}, (rustc_middle[7fc0a978862eb49c]::query::erase::Erased<[u8; 1usize]>, rustc_query_system[a65e9af7c6ae3d01]::dep_graph::graph::DepNodeIndex)>::{closure#0}, (rustc_middle[7fc0a978862eb49c]::query::erase::Erased<[u8; 1usize]>, rustc_query_system[a65e9af7c6ae3d01]::dep_graph::graph::DepNodeIndex)>
  29:        0x11172c33f - rustc_query_system[a65e9af7c6ae3d01]::query::plumbing::try_execute_query::<rustc_query_impl[598269a19ba1f561]::queries::analysis, rustc_query_impl[598269a19ba1f561]::plumbing::QueryCtxt>
  30:        0x111987046 - <rustc_query_impl[598269a19ba1f561]::Queries as rustc_middle[7fc0a978862eb49c]::ty::query::QueryEngine>::analysis
  31:        0x110406413 - <std[a8778ef3a639084b]::thread::local::LocalKey<core[a404433b1679a212]::cell::Cell<*const ()>>>::with::<rustc_middle[7fc0a978862eb49c]::ty::context::tls::enter_context<<rustc_middle[7fc0a978862eb49c]::ty::context::GlobalCtxt>::enter<rustc_driver_impl[eafeac5e4366564e]::run_compiler::{closure#1}::{closure#2}::{closure#4}, core[a404433b1679a212]::result::Result<(), rustc_span[8ca261ac2dfd0c4e]::ErrorGuaranteed>>::{closure#0}, core[a404433b1679a212]::result::Result<(), rustc_span[8ca261ac2dfd0c4e]::ErrorGuaranteed>>::{closure#0}, core[a404433b1679a212]::result::Result<(), rustc_span[8ca261ac2dfd0c4e]::ErrorGuaranteed>>
  32:        0x1103cc42c - <rustc_interface[47617fbd5781a430]::queries::QueryResult<&rustc_middle[7fc0a978862eb49c]::ty::context::GlobalCtxt>>::enter::<core[a404433b1679a212]::result::Result<(), rustc_span[8ca261ac2dfd0c4e]::ErrorGuaranteed>, rustc_driver_impl[eafeac5e4366564e]::run_compiler::{closure#1}::{closure#2}::{closure#4}>
  33:        0x11040d7b0 - <rustc_interface[47617fbd5781a430]::interface::Compiler>::enter::<rustc_driver_impl[eafeac5e4366564e]::run_compiler::{closure#1}::{closure#2}, core[a404433b1679a212]::result::Result<core[a404433b1679a212]::option::Option<rustc_interface[47617fbd5781a430]::queries::Linker>, rustc_span[8ca261ac2dfd0c4e]::ErrorGuaranteed>>
  34:        0x1103bd499 - rustc_span[8ca261ac2dfd0c4e]::set_source_map::<core[a404433b1679a212]::result::Result<(), rustc_span[8ca261ac2dfd0c4e]::ErrorGuaranteed>, rustc_interface[47617fbd5781a430]::interface::run_compiler<core[a404433b1679a212]::result::Result<(), rustc_span[8ca261ac2dfd0c4e]::ErrorGuaranteed>, rustc_driver_impl[eafeac5e4366564e]::run_compiler::{closure#1}>::{closure#0}::{closure#0}>
  35:        0x1103cd11d - <scoped_tls[74fa14b5599a25d8]::ScopedKey<rustc_span[8ca261ac2dfd0c4e]::SessionGlobals>>::set::<rustc_interface[47617fbd5781a430]::interface::run_compiler<core[a404433b1679a212]::result::Result<(), rustc_span[8ca261ac2dfd0c4e]::ErrorGuaranteed>, rustc_driver_impl[eafeac5e4366564e]::run_compiler::{closure#1}>::{closure#0}, core[a404433b1679a212]::result::Result<(), rustc_span[8ca261ac2dfd0c4e]::ErrorGuaranteed>>
  36:        0x1103c2930 - std[a8778ef3a639084b]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[47617fbd5781a430]::util::run_in_thread_pool_with_globals<rustc_interface[47617fbd5781a430]::interface::run_compiler<core[a404433b1679a212]::result::Result<(), rustc_span[8ca261ac2dfd0c4e]::ErrorGuaranteed>, rustc_driver_impl[eafeac5e4366564e]::run_compiler::{closure#1}>::{closure#0}, core[a404433b1679a212]::result::Result<(), rustc_span[8ca261ac2dfd0c4e]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[a404433b1679a212]::result::Result<(), rustc_span[8ca261ac2dfd0c4e]::ErrorGuaranteed>>
  37:        0x1103c2f75 - <<std[a8778ef3a639084b]::thread::Builder>::spawn_unchecked_<rustc_interface[47617fbd5781a430]::util::run_in_thread_pool_with_globals<rustc_interface[47617fbd5781a430]::interface::run_compiler<core[a404433b1679a212]::result::Result<(), rustc_span[8ca261ac2dfd0c4e]::ErrorGuaranteed>, rustc_driver_impl[eafeac5e4366564e]::run_compiler::{closure#1}>::{closure#0}, core[a404433b1679a212]::result::Result<(), rustc_span[8ca261ac2dfd0c4e]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[a404433b1679a212]::result::Result<(), rustc_span[8ca261ac2dfd0c4e]::ErrorGuaranteed>>::{closure#1} as core[a404433b1679a212]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  38:        0x1065c9ad9 - std::sys::unix::thread::Thread::new::thread_start::ha9b8d2206382b425
  39:     0x7ff803699259 - __pthread_start

error: 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 1.70.0 (90c541806 2023-05-31) running on x86_64-apple-darwin

note: compiler flags: --crate-type bin -C embed-bitcode=no -C split-debuginfo=unpacked -C debuginfo=2 -C incremental=[REDACTED]

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

query stack during panic:
#0 [check_well_formed] checking that `<impl at src/main.rs:10:1: 10:42>` is well-formed
#1 [check_mod_type_wf] checking that types are well-formed in top-level module
#2 [analysis] running analysis passes on this crate
end of query stack
error: could not compile `ice` (bin "ice")
[Finished running. Exit status: 101]

Activity

  1. Marwes
    added
    C-bugCategory: This is a bug.
    on Jun 20, 2023
  2. KittyBorgX
    added
    I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️
    on Jun 20, 2023

  3. Noratrieb commented on Jun 20, 2023

    @Noratrieb
    Noratrieb
    on Jun 20, 2023
    Member

    searched nightlies: from nightly-2023-01-01 to nightly-2023-06-19
    regressed nightly: nightly-2023-03-29
    searched commit range: 2036fdd...478cbb4
    regressed commit: 478cbb4

    bisected with cargo-bisect-rustc v0.6.6

    Host triple: x86_64-unknown-linux-gnu
    Reproduce with:

    cargo bisect-rustc 2023-01-01 --end 2023-06-19 --access github
  4. Noratrieb
    added
    T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.
    on Jun 20, 2023

  5. Noratrieb commented on Jun 20, 2023

    @Noratrieb
    Noratrieb
    on Jun 20, 2023
    Member

    probably #102472 or #109629 @lcnr @aliemjay

  6. aliemjay
    self-assigned this
    on Jun 20, 2023

  7. lqd commented on Jun 20, 2023

    @lqd
    lqd
    on Jun 20, 2023
    Member

    #109629 has a dfa82e8833199efd2cc0114fed03eab53614a221 try build and it does reproduce the issue.

  8. rust-lang-glacier-bot
    added
    glacierICE tracked in rust-lang/glacier.
    on Jul 14, 2023

  9. Snarpix commented on Aug 29, 2023

    @Snarpix
    Snarpix
    on Aug 29, 2023

    The issue still persists on rust 1.72.
    I have tried to compile example that was provided by author of issue:
    rustc --version --verbose

    rustc 1.72.0 (5680fa18f 2023-08-23)
binary: rustc
commit-hash: 5680fa18feaa87f3ff04063800aec256c3d4b4be
commit-date: 2023-08-23
host: x86_64-unknown-linux-gnu
release: 1.72.0
LLVM version: 16.0.5
    Error log 
    warning: fields `db` and `storage` are never read
 --> test.rs:6:5
  |
5 | pub struct QueryTable<Q, DB> {
  |            ---------- fields in this struct
6 |     db: DB,
  |     ^^
7 |     storage: Q,
  |     ^^^^^^^
  |
  = note: `#[warn(dead_code)]` on by default

error: internal compiler error: no errors encountered even though `delay_span_bug` issued

error: internal compiler error: skipped implied_outlives_bounds due to unconstrained lifetimes
  --> test.rs:10:1
   |
10 | impl<Q> QueryTable<Q, <Q as QueryDb>::Db> where Q: for<'d> AsyncQueryFunction<'d> {}
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: delayed at compiler/rustc_trait_selection/src/traits/outlives_bounds.rs:64:27
              0: <rustc_errors::HandlerInner>::emit_diagnostic
              1: <rustc_errors::Handler>::delay_span_bug::<rustc_span::span_encoding::Span, &str>
              2: <rustc_infer::infer::InferCtxt as rustc_trait_selection::traits::outlives_bounds::InferCtxtExt>::implied_outlives_bounds
              3: <rustc_infer::infer::outlives::env::OutlivesEnvironment>::with_bounds::<core::iter::adapters::flatten::FlatMap<indexmap::set::iter::IntoIter<rustc_middle::ty::Ty>, alloc::vec::Vec<rustc_middle::traits::query::OutlivesBound>, <rustc_infer::infer::InferCtxt as rustc_trait_selection::traits::outlives_bounds::InferCtxtExt>::implied_bounds_tys::{closure#0}>>
              4: rustc_hir_analysis::check::wfcheck::check_well_formed
              5: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::check_well_formed::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 0]>>
              6: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::VecCache<rustc_hir::hir_id::OwnerId, rustc_middle::query::erase::Erased<[u8; 0]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, false>
              7: rustc_query_impl::query_impl::check_well_formed::get_query_non_incr::__rust_end_short_backtrace
              8: rustc_data_structures::sync::par_for_each_in::<&[rustc_hir::hir::ImplItemId], <rustc_middle::hir::ModuleItems>::par_impl_items<rustc_hir_analysis::check::wfcheck::check_mod_type_wf::{closure#1}>::{closure#0}>
              9: rustc_hir_analysis::check::wfcheck::check_mod_type_wf
             10: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::check_mod_type_wf::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 0]>>
             11: <rustc_query_impl::query_impl::check_mod_type_wf::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, rustc_span::def_id::LocalDefId)>>::call_once
             12: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 0]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, false>
             13: rustc_query_impl::query_impl::check_mod_type_wf::get_query_non_incr::__rust_end_short_backtrace
             14: rustc_data_structures::sync::par_for_each_in::<&[rustc_hir::hir_id::OwnerId], <rustc_middle::hir::map::Map>::par_for_each_module<rustc_hir_analysis::check_crate::{closure#5}::{closure#0}::{closure#0}>::{closure#0}>
             15: <rustc_session::session::Session>::track_errors::<rustc_hir_analysis::check_crate::{closure#5}, ()>
             16: rustc_hir_analysis::check_crate
             17: rustc_interface::passes::analysis
             18: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 1]>>
             19: <rustc_query_impl::query_impl::analysis::dynamic_query::{closure#2} as core::ops::function::FnOnce<(rustc_middle::ty::context::TyCtxt, ())>>::call_once
             20: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::SingleCache<rustc_middle::query::erase::Erased<[u8; 1]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, false>
             21: rustc_query_impl::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
             22: <rustc_interface::queries::QueryResult<&rustc_middle::ty::context::GlobalCtxt>>::enter::<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}::{closure#2}::{closure#4}>
             23: <rustc_interface::interface::Compiler>::enter::<rustc_driver_impl::run_compiler::{closure#1}::{closure#2}, core::result::Result<core::option::Option<rustc_interface::queries::Linker>, rustc_span::ErrorGuaranteed>>
             24: rustc_span::set_source_map::<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}::{closure#0}>
             25: <scoped_tls::ScopedKey<rustc_span::SessionGlobals>>::set::<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
             26: std::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
             27: <<std::thread::Builder>::spawn_unchecked_<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
             28: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
                        at /rustc/5680fa18feaa87f3ff04063800aec256c3d4b4be/library/alloc/src/boxed.rs:1993:9
             29: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
                        at /rustc/5680fa18feaa87f3ff04063800aec256c3d4b4be/library/alloc/src/boxed.rs:1993:9
             30: std::sys::unix::thread::Thread::new::thread_start
                        at /rustc/5680fa18feaa87f3ff04063800aec256c3d4b4be/library/std/src/sys/unix/thread.rs:108:17
             31: <unknown>
             32: <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: rustc 1.72.0 (5680fa18f 2023-08-23) running on x86_64-unknown-linux-gnu

query stack during panic:
end of query stack
error: aborting due to 2 previous errors; 1 warning emitted

    I have tried to fix compilation issue in gluon_salsa by explicitly specifying lifetimes, but I have ran into ICE.

  10. rowanfr commented on Sep 4, 2023

    @rowanfr
    rowanfr
    on Sep 4, 2023

    I enjoy using gluon and would really like for this to be solved to enable using it with the current compiler. Hopefully this helps

  11. lcnr
    added
    I-prioritizeIssue needs a team member to assess the impact. Will be replaced by P-{low,medium,high,critical}
    on Sep 4, 2023
  12. Dylan-DPC
    added a commit that references this issue on Sep 5, 2023

    Rollup merge of rust-lang#115559 - lcnr:implied-bounds-unconstrained,…

    dcc4b5c
  13. matthiaskrgr
    added a commit that references this issue on Sep 5, 2023

    Rollup merge of rust-lang#115559 - lcnr:implied-bounds-unconstrained,…

    8c04907
  14. bors
    closed this as completedin 8c04907on Sep 5, 2023
  15. apiraino
    removed
    I-prioritizeIssue needs a team member to assess the impact. Will be replaced by P-{low,medium,high,critical}
    on Sep 7, 2023
  16. Marwes
    added a commit that references this issue on Dec 16, 2023

    chore: Compile on stable rust on CI again

    8b48833
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C-bugCategory: This is a bug.I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.glacierICE tracked in rust-lang/glacier.

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