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ICE when building documentation: DefId(20:797 ...) does not have a "object_lifetime_default" #115179

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Enet4 opened this issue Aug 24, 2023 · 7 comments · Fixed by #115276
Closed

ICE when building documentation: DefId(20:797 ...) does not have a "object_lifetime_default" #115179

Enet4 opened this issue Aug 24, 2023 · 7 comments · Fixed by #115276
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@fmease
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A-cross-crate-reexports Area: Documentation that has been re-exported from a different crate C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ P-critical Critical priority regression-from-stable-to-stable Performance or correctness regression from one stable version to another. S-has-mcve Status: A Minimal Complete and Verifiable Example has been found for this issue T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue.

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@Enet4
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Enet4 commented Aug 24, 2023 •
edited by rustbot
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I found out about the ICE when my crate dicom-parser could not have its documentation online on docs.rs (build log). I managed to narrow it down to the code below.

All of the code here builds fine (cargo check, cargo build), but on the latest stable and nightly it fails when doing cargo doc.

Code

use std::io::Write;

/// An encoder with its type erased.
pub type DynEncoder<'w, W> = Box<dyn EncodeTo<W> + 'w>;

/// Type trait for a data element encoder to a single known writer type `W`.
pub trait EncodeTo<W: ?Sized> {}

#[derive(Debug)]
pub struct StatefulEncoder<E>(E);

// the type alias below breaks the compiler

pub type DynStatefulEncoder<'w> = StatefulEncoder<DynEncoder<'w, dyn Write>>;

Originally, DynEncoder came from a separate crate, dicom-encoding. To my surprise, using the dependency instead of replicating the symbols to this crate results in a more informative top-level error message of the ICE. With

[dependencies]
dicom-encoding = "0.6.0"

we can instead do:

use std::io::Write;

#[derive(Debug)]
pub struct StatefulEncoder<E>(E);

// the type alias below breaks the compiler

pub type DynStatefulEncoder<'w> = StatefulEncoder<dicom_encoding::transfer_syntax::DynEncoder<'w, dyn Write>>;

The full project can also be found in this repository.

Meta

Reproduced on more than one toolchain and platform, among which:

rustc 1.74.0-nightly (249595b75 2023-08-23)
binary: rustc
commit-hash: 249595b7523fc07a99c1adee90b1947739ca0e5b
commit-date: 2023-08-23
host: x86_64-unknown-linux-gnu
release: 1.74.0-nightly
LLVM version: 17.0.0

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

rustc 1.73.0-nightly (1d56e3a6d 2023-07-22)
binary: rustc
commit-hash: 1d56e3a6d943062e41165bf07fea5ea8324ae011
commit-date: 2023-07-22
host: x86_64-pc-windows-msvc
release: 1.73.0-nightly
LLVM version: 16.0.5

Error output

Without the dependency:

thread 'rustc' panicked at /rustc/249595b7523fc07a99c1adee90b1947739ca0e5b/compiler/rustc_errors/src/lib.rs:1635:9:
Box<dyn Any>
stack backtrace:
   0:     0x7f19fe6ff33c - std::backtrace_rs::backtrace::libunwind::trace::h910709f6ac8bdc9f
                               at /rustc/249595b7523fc07a99c1adee90b1947739ca0e5b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
   1:     0x7f19fe6ff33c - std::backtrace_rs::backtrace::trace_unsynchronized::h66c1b9aae6144841
                               at /rustc/249595b7523fc07a99c1adee90b1947739ca0e5b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7f19fe6ff33c - std::sys_common::backtrace::_print_fmt::h225f965e4a6dd062
                               at /rustc/249595b7523fc07a99c1adee90b1947739ca0e5b/library/std/src/sys_common/backtrace.rs:67:5
   3:     0x7f19fe6ff33c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h4f4e7c60db66a770
                               at /rustc/249595b7523fc07a99c1adee90b1947739ca0e5b/library/std/src/sys_common/backtrace.rs:44:22
   4:     0x7f19fe7654cc - core::fmt::rt::Argument::fmt::h87caa0a583b068c8
                               at /rustc/249595b7523fc07a99c1adee90b1947739ca0e5b/library/core/src/fmt/rt.rs:138:9
   5:     0x7f19fe7654cc - core::fmt::write::h3b600a18a82b19f5
                               at /rustc/249595b7523fc07a99c1adee90b1947739ca0e5b/library/core/src/fmt/mod.rs:1094:21
   6:     0x7f19fe6f1e5e - std::io::Write::write_fmt::h90e27a4c5fee0550
                               at /rustc/249595b7523fc07a99c1adee90b1947739ca0e5b/library/std/src/io/mod.rs:1714:15
   7:     0x7f19fe6ff124 - std::sys_common::backtrace::_print::h3aea4dd9a94d323a
                               at /rustc/249595b7523fc07a99c1adee90b1947739ca0e5b/library/std/src/sys_common/backtrace.rs:47:5
   8:     0x7f19fe6ff124 - std::sys_common::backtrace::print::hbf8b71196d492872
                               at /rustc/249595b7523fc07a99c1adee90b1947739ca0e5b/library/std/src/sys_common/backtrace.rs:34:9
   9:     0x7f19fe70221a - std::panicking::panic_hook_with_disk_dump::{{closure}}::h6a8880f6e8234529
                               at /rustc/249595b7523fc07a99c1adee90b1947739ca0e5b/library/std/src/panicking.rs:278:22
  10:     0x7f19fe701ec9 - std::panicking::panic_hook_with_disk_dump::h8ea3bdb613c8c8a5
                               at /rustc/249595b7523fc07a99c1adee90b1947739ca0e5b/library/std/src/panicking.rs:305:9
  11:     0x7f19fd525969 - <rustc_driver_impl[8d3f86e83538be5d]::install_ice_hook::{closure#0} as core[328660574c6e17ab]::ops::function::FnOnce<(&core[328660574c6e17ab]::panic::panic_info::PanicInfo,)>>::call_once::{shim:vtable#0}
  12:     0x7f19fe702ac0 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h21e710b40303a14c
                               at /rustc/249595b7523fc07a99c1adee90b1947739ca0e5b/library/alloc/src/boxed.rs:2021:9
  13:     0x7f19fe702ac0 - std::panicking::rust_panic_with_hook::h006994873154b18b
                               at /rustc/249595b7523fc07a99c1adee90b1947739ca0e5b/library/std/src/panicking.rs:733:13
  14:     0x7f19fdafadd1 - std[3de2780fbf87294b]::panicking::begin_panic::<rustc_errors[322037634ba0d3c5]::ExplicitBug>::{closure#0}
  15:     0x7f19fdaf9246 - std[3de2780fbf87294b]::sys_common::backtrace::__rust_end_short_backtrace::<std[3de2780fbf87294b]::panicking::begin_panic<rustc_errors[322037634ba0d3c5]::ExplicitBug>::{closure#0}, !>
  16:     0x7f19fda54206 - std[3de2780fbf87294b]::panicking::begin_panic::<rustc_errors[322037634ba0d3c5]::ExplicitBug>
  17:     0x7f19fda70f34 - <rustc_errors[322037634ba0d3c5]::HandlerInner>::bug::<alloc[a0deb0dd21da67ed]::string::String>
  18:     0x7f19fda70dc6 - <rustc_errors[322037634ba0d3c5]::Handler>::bug::<alloc[a0deb0dd21da67ed]::string::String>
  19:     0x7f19fda9e21c - rustc_middle[4d497bf664395237]::util::bug::opt_span_bug_fmt::<rustc_span[498346d9655021fc]::span_encoding::Span>::{closure#0}
  20:     0x7f19fda9c8ca - rustc_middle[4d497bf664395237]::ty::context::tls::with_opt::<rustc_middle[4d497bf664395237]::util::bug::opt_span_bug_fmt<rustc_span[498346d9655021fc]::span_encoding::Span>::{closure#0}, !>::{closure#0}
  21:     0x7f19fda9c898 - rustc_middle[4d497bf664395237]::ty::context::tls::with_context_opt::<rustc_middle[4d497bf664395237]::ty::context::tls::with_opt<rustc_middle[4d497bf664395237]::util::bug::opt_span_bug_fmt<rustc_span[498346d9655021fc]::span_encoding::Span>::{closure#0}, !>::{closure#0}, !>
  22:     0x7f19fc0966d0 - rustc_middle[4d497bf664395237]::util::bug::bug_fmt
  23:     0x7f19fc012320 - rustc_hir_analysis[11d5fd4bad002d36]::collect::resolve_bound_vars::object_lifetime_default
  24:     0x7f19fb633908 - rustc_query_impl[54fb8ce76ffe27d7]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[54fb8ce76ffe27d7]::query_impl::object_lifetime_default::dynamic_query::{closure#2}::{closure#0}, rustc_middle[4d497bf664395237]::query::erase::Erased<[u8; 8usize]>>
  25:     0x7f19fb6338d1 - <rustc_query_impl[54fb8ce76ffe27d7]::query_impl::object_lifetime_default::dynamic_query::{closure#2} as core[328660574c6e17ab]::ops::function::FnOnce<(rustc_middle[4d497bf664395237]::ty::context::TyCtxt, rustc_span[498346d9655021fc]::def_id::DefId)>>::call_once
  26:     0x7f19fb644615 - rustc_query_system[c8323b2e3373b6b6]::query::plumbing::try_execute_query::<rustc_query_impl[54fb8ce76ffe27d7]::DynamicConfig<rustc_query_system[c8323b2e3373b6b6]::query::caches::DefaultCache<rustc_span[498346d9655021fc]::def_id::DefId, rustc_middle[4d497bf664395237]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[54fb8ce76ffe27d7]::plumbing::QueryCtxt, false>
  27:     0x7f19fceb47e2 - rustc_query_impl[54fb8ce76ffe27d7]::query_impl::object_lifetime_default::get_query_non_incr::__rust_end_short_backtrace
  28:     0x55716f5242af - rustc_middle[4d497bf664395237]::query::plumbing::query_get_at::<rustc_query_system[c8323b2e3373b6b6]::query::caches::DefaultCache<rustc_span[498346d9655021fc]::def_id::DefId, rustc_middle[4d497bf664395237]::query::erase::Erased<[u8; 8usize]>>>
  29:     0x55716f548cc5 - rustdoc[b96d18e868a406d4]::clean::clean_middle_ty
  30:     0x55716f36df3f - <&mut rustdoc[b96d18e868a406d4]::clean::utils::ty_args_to_args::{closure#0} as core[328660574c6e17ab]::ops::function::FnMut<((usize, rustc_middle[4d497bf664395237]::ty::sty::Binder<&rustc_middle[4d497bf664395237]::ty::generic_args::GenericArg>),)>>::call_mut
  31:     0x55716f4c7d07 - <alloc[a0deb0dd21da67ed]::vec::Vec<rustdoc[b96d18e868a406d4]::clean::types::GenericArg> as alloc[a0deb0dd21da67ed]::vec::spec_extend::SpecExtend<rustdoc[b96d18e868a406d4]::clean::types::GenericArg, core[328660574c6e17ab]::iter::adapters::filter_map::FilterMap<core[328660574c6e17ab]::iter::adapters::enumerate::Enumerate<core[328660574c6e17ab]::iter::adapters::map::Map<core[328660574c6e17ab]::slice::iter::Iter<rustc_middle[4d497bf664395237]::ty::generic_args::GenericArg>, <rustc_middle[4d497bf664395237]::ty::sty::Binder<&[rustc_middle[4d497bf664395237]::ty::generic_args::GenericArg]>>::iter::{closure#0}>>, rustdoc[b96d18e868a406d4]::clean::utils::ty_args_to_args::{closure#0}>>>::spec_extend
  32:     0x55716f371748 - rustdoc[b96d18e868a406d4]::clean::utils::ty_args_to_args
  33:     0x55716f3718a7 - rustdoc[b96d18e868a406d4]::clean::utils::external_path
  34:     0x55716f5495eb - rustdoc[b96d18e868a406d4]::clean::clean_middle_ty
  35:     0x55716f36df3f - <&mut rustdoc[b96d18e868a406d4]::clean::utils::ty_args_to_args::{closure#0} as core[328660574c6e17ab]::ops::function::FnMut<((usize, rustc_middle[4d497bf664395237]::ty::sty::Binder<&rustc_middle[4d497bf664395237]::ty::generic_args::GenericArg>),)>>::call_mut
  36:     0x55716f4c7d07 - <alloc[a0deb0dd21da67ed]::vec::Vec<rustdoc[b96d18e868a406d4]::clean::types::GenericArg> as alloc[a0deb0dd21da67ed]::vec::spec_extend::SpecExtend<rustdoc[b96d18e868a406d4]::clean::types::GenericArg, core[328660574c6e17ab]::iter::adapters::filter_map::FilterMap<core[328660574c6e17ab]::iter::adapters::enumerate::Enumerate<core[328660574c6e17ab]::iter::adapters::map::Map<core[328660574c6e17ab]::slice::iter::Iter<rustc_middle[4d497bf664395237]::ty::generic_args::GenericArg>, <rustc_middle[4d497bf664395237]::ty::sty::Binder<&[rustc_middle[4d497bf664395237]::ty::generic_args::GenericArg]>>::iter::{closure#0}>>, rustdoc[b96d18e868a406d4]::clean::utils::ty_args_to_args::{closure#0}>>>::spec_extend
  37:     0x55716f371748 - rustdoc[b96d18e868a406d4]::clean::utils::ty_args_to_args
  38:     0x55716f3718a7 - rustdoc[b96d18e868a406d4]::clean::utils::external_path
  39:     0x55716f5480ca - rustdoc[b96d18e868a406d4]::clean::clean_middle_ty
  40:     0x55716f36df3f - <&mut rustdoc[b96d18e868a406d4]::clean::utils::ty_args_to_args::{closure#0} as core[328660574c6e17ab]::ops::function::FnMut<((usize, rustc_middle[4d497bf664395237]::ty::sty::Binder<&rustc_middle[4d497bf664395237]::ty::generic_args::GenericArg>),)>>::call_mut
  41:     0x55716f4c7d07 - <alloc[a0deb0dd21da67ed]::vec::Vec<rustdoc[b96d18e868a406d4]::clean::types::GenericArg> as alloc[a0deb0dd21da67ed]::vec::spec_extend::SpecExtend<rustdoc[b96d18e868a406d4]::clean::types::GenericArg, core[328660574c6e17ab]::iter::adapters::filter_map::FilterMap<core[328660574c6e17ab]::iter::adapters::enumerate::Enumerate<core[328660574c6e17ab]::iter::adapters::map::Map<core[328660574c6e17ab]::slice::iter::Iter<rustc_middle[4d497bf664395237]::ty::generic_args::GenericArg>, <rustc_middle[4d497bf664395237]::ty::sty::Binder<&[rustc_middle[4d497bf664395237]::ty::generic_args::GenericArg]>>::iter::{closure#0}>>, rustdoc[b96d18e868a406d4]::clean::utils::ty_args_to_args::{closure#0}>>>::spec_extend
  42:     0x55716f371748 - rustdoc[b96d18e868a406d4]::clean::utils::ty_args_to_args
  43:     0x55716f3718a7 - rustdoc[b96d18e868a406d4]::clean::utils::external_path
  44:     0x55716f5480ca - rustdoc[b96d18e868a406d4]::clean::clean_middle_ty
  45:     0x55716f528315 - <&mut rustdoc[b96d18e868a406d4]::clean::clean_doc_module::{closure#2} as core[328660574c6e17ab]::ops::function::FnOnce<(&(&rustc_hir[dd5c45a8227164a5]::hir::Item, core[328660574c6e17ab]::option::Option<rustc_span[498346d9655021fc]::symbol::Symbol>, core[328660574c6e17ab]::option::Option<rustc_span[498346d9655021fc]::def_id::LocalDefId>),)>>::call_once
  46:     0x55716f4c907d - <alloc[a0deb0dd21da67ed]::vec::Vec<rustdoc[b96d18e868a406d4]::clean::types::Item> as alloc[a0deb0dd21da67ed]::vec::spec_extend::SpecExtend<rustdoc[b96d18e868a406d4]::clean::types::Item, core[328660574c6e17ab]::iter::adapters::flatten::FlatMap<indexmap[120790489cfb758c]::map::iter::Values<(rustc_span[498346d9655021fc]::def_id::LocalDefId, core[328660574c6e17ab]::option::Option<rustc_span[498346d9655021fc]::symbol::Symbol>), (&rustc_hir[dd5c45a8227164a5]::hir::Item, core[328660574c6e17ab]::option::Option<rustc_span[498346d9655021fc]::symbol::Symbol>, core[328660574c6e17ab]::option::Option<rustc_span[498346d9655021fc]::def_id::LocalDefId>)>, alloc[a0deb0dd21da67ed]::vec::Vec<rustdoc[b96d18e868a406d4]::clean::types::Item>, rustdoc[b96d18e868a406d4]::clean::clean_doc_module::{closure#2}>>>::spec_extend
  47:     0x55716f52b89b - rustdoc[b96d18e868a406d4]::clean::clean_doc_module
  48:     0x55716f37113c - rustdoc[b96d18e868a406d4]::clean::utils::krate
  49:     0x55716f4f1d44 - <rustc_session[b6932d4e5e79a3c2]::session::Session>::time::<(rustdoc[b96d18e868a406d4]::clean::types::Crate, rustdoc[b96d18e868a406d4]::config::RenderOptions, rustdoc[b96d18e868a406d4]::formats::cache::Cache), rustdoc[b96d18e868a406d4]::main_args::{closure#1}::{closure#0}::{closure#0}::{closure#0}>
  50:     0x55716f5a96a2 - <rustc_middle[4d497bf664395237]::ty::context::GlobalCtxt>::enter::<rustdoc[b96d18e868a406d4]::main_args::{closure#1}::{closure#0}::{closure#0}, core[328660574c6e17ab]::result::Result<(), rustc_span[498346d9655021fc]::ErrorGuaranteed>>
  51:     0x55716f4f6bdc - <scoped_tls[b5ce6b2cb5f40401]::ScopedKey<rustc_span[498346d9655021fc]::SessionGlobals>>::set::<rustc_interface[5749929743a7739d]::interface::run_compiler<core[328660574c6e17ab]::result::Result<(), rustc_span[498346d9655021fc]::ErrorGuaranteed>, rustdoc[b96d18e868a406d4]::main_args::{closure#1}>::{closure#0}, core[328660574c6e17ab]::result::Result<(), rustc_span[498346d9655021fc]::ErrorGuaranteed>>
  52:     0x55716f415639 - std[3de2780fbf87294b]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[5749929743a7739d]::util::run_in_thread_pool_with_globals<rustc_interface[5749929743a7739d]::interface::run_compiler<core[328660574c6e17ab]::result::Result<(), rustc_span[498346d9655021fc]::ErrorGuaranteed>, rustdoc[b96d18e868a406d4]::main_args::{closure#1}>::{closure#0}, core[328660574c6e17ab]::result::Result<(), rustc_span[498346d9655021fc]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[328660574c6e17ab]::result::Result<(), rustc_span[498346d9655021fc]::ErrorGuaranteed>>
  53:     0x55716f525bdb - <<std[3de2780fbf87294b]::thread::Builder>::spawn_unchecked_<rustc_interface[5749929743a7739d]::util::run_in_thread_pool_with_globals<rustc_interface[5749929743a7739d]::interface::run_compiler<core[328660574c6e17ab]::result::Result<(), rustc_span[498346d9655021fc]::ErrorGuaranteed>, rustdoc[b96d18e868a406d4]::main_args::{closure#1}>::{closure#0}, core[328660574c6e17ab]::result::Result<(), rustc_span[498346d9655021fc]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[328660574c6e17ab]::result::Result<(), rustc_span[498346d9655021fc]::ErrorGuaranteed>>::{closure#1} as core[328660574c6e17ab]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  54:     0x7f19fe70d425 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h07273d00f835f9f4
                               at /rustc/249595b7523fc07a99c1adee90b1947739ca0e5b/library/alloc/src/boxed.rs:2007:9
  55:     0x7f19fe70d425 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hfd47bb1abc348520
                               at /rustc/249595b7523fc07a99c1adee90b1947739ca0e5b/library/alloc/src/boxed.rs:2007:9
  56:     0x7f19fe70d425 - std::sys::unix::thread::Thread::new::thread_start::h98e1ddafb85f3672
                               at /rustc/249595b7523fc07a99c1adee90b1947739ca0e5b/library/std/src/sys/unix/thread.rs:108:17
  57:     0x7f19fa08c9eb - <unknown>
  58:     0x7f19fa110ebc - <unknown>
  59:                0x0 - <unknown>


rustc version: 1.74.0-nightly (249595b75 2023-08-23)
platform: x86_64-unknown-linux-gnu

query stack during panic:
#0 [object_lifetime_default] looking up lifetime defaults for generic parameter `encoding::EncodeTo`
end of query stack

with the dependency dicom-encoding:

thread 'rustc' panicked at compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs:205:1:
DefId(20:797 ~ dicom_encoding[e27c]::encode::EncodeTo) does not have a "object_lifetime_default"
stack backtrace:
   0:     0x7faad72fd33c - std::backtrace_rs::backtrace::libunwind::trace::h910709f6ac8bdc9f
                               at /rustc/249595b7523fc07a99c1adee90b1947739ca0e5b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
   1:     0x7faad72fd33c - std::backtrace_rs::backtrace::trace_unsynchronized::h66c1b9aae6144841
                               at /rustc/249595b7523fc07a99c1adee90b1947739ca0e5b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7faad72fd33c - std::sys_common::backtrace::_print_fmt::h225f965e4a6dd062
                               at /rustc/249595b7523fc07a99c1adee90b1947739ca0e5b/library/std/src/sys_common/backtrace.rs:67:5
   3:     0x7faad72fd33c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h4f4e7c60db66a770
                               at /rustc/249595b7523fc07a99c1adee90b1947739ca0e5b/library/std/src/sys_common/backtrace.rs:44:22
   4:     0x7faad73634cc - core::fmt::rt::Argument::fmt::h87caa0a583b068c8
                               at /rustc/249595b7523fc07a99c1adee90b1947739ca0e5b/library/core/src/fmt/rt.rs:138:9
   5:     0x7faad73634cc - core::fmt::write::h3b600a18a82b19f5
                               at /rustc/249595b7523fc07a99c1adee90b1947739ca0e5b/library/core/src/fmt/mod.rs:1094:21
   6:     0x7faad72efe5e - std::io::Write::write_fmt::h90e27a4c5fee0550
                               at /rustc/249595b7523fc07a99c1adee90b1947739ca0e5b/library/std/src/io/mod.rs:1714:15
   7:     0x7faad72fd124 - std::sys_common::backtrace::_print::h3aea4dd9a94d323a
                               at /rustc/249595b7523fc07a99c1adee90b1947739ca0e5b/library/std/src/sys_common/backtrace.rs:47:5
   8:     0x7faad72fd124 - std::sys_common::backtrace::print::hbf8b71196d492872
                               at /rustc/249595b7523fc07a99c1adee90b1947739ca0e5b/library/std/src/sys_common/backtrace.rs:34:9
   9:     0x7faad730021a - std::panicking::panic_hook_with_disk_dump::{{closure}}::h6a8880f6e8234529
                               at /rustc/249595b7523fc07a99c1adee90b1947739ca0e5b/library/std/src/panicking.rs:278:22
  10:     0x7faad72ffec9 - std::panicking::panic_hook_with_disk_dump::h8ea3bdb613c8c8a5
                               at /rustc/249595b7523fc07a99c1adee90b1947739ca0e5b/library/std/src/panicking.rs:305:9
  11:     0x7faad6125969 - <rustc_driver_impl[8d3f86e83538be5d]::install_ice_hook::{closure#0} as core[328660574c6e17ab]::ops::function::FnOnce<(&core[328660574c6e17ab]::panic::panic_info::PanicInfo,)>>::call_once::{shim:vtable#0}
  12:     0x7faad7300ac0 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h21e710b40303a14c
                               at /rustc/249595b7523fc07a99c1adee90b1947739ca0e5b/library/alloc/src/boxed.rs:2021:9
  13:     0x7faad7300ac0 - std::panicking::rust_panic_with_hook::h006994873154b18b
                               at /rustc/249595b7523fc07a99c1adee90b1947739ca0e5b/library/std/src/panicking.rs:733:13
  14:     0x7faad7300847 - std::panicking::begin_panic_handler::{{closure}}::hcca9a8f2a8a2254b
                               at /rustc/249595b7523fc07a99c1adee90b1947739ca0e5b/library/std/src/panicking.rs:621:13
  15:     0x7faad72fd866 - std::sys_common::backtrace::__rust_end_short_backtrace::ha419d4c6c0af0a51
                               at /rustc/249595b7523fc07a99c1adee90b1947739ca0e5b/library/std/src/sys_common/backtrace.rs:170:18
  16:     0x7faad7300592 - rust_begin_unwind
                               at /rustc/249595b7523fc07a99c1adee90b1947739ca0e5b/library/std/src/panicking.rs:617:5
  17:     0x7faad735f8d3 - core::panicking::panic_fmt::h1243a42fc81a0e60
                               at /rustc/249595b7523fc07a99c1adee90b1947739ca0e5b/library/core/src/panicking.rs:67:14
  18:     0x7faad65d47a2 - rustc_metadata[c78f94cd9dcbafa]::rmeta::decoder::cstore_impl::provide_extern::object_lifetime_default::{closure#2}
  19:     0x7faad5a1588b - rustc_metadata[c78f94cd9dcbafa]::rmeta::decoder::cstore_impl::provide_extern::object_lifetime_default
  20:     0x7faad4233919 - rustc_query_impl[54fb8ce76ffe27d7]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[54fb8ce76ffe27d7]::query_impl::object_lifetime_default::dynamic_query::{closure#2}::{closure#0}, rustc_middle[4d497bf664395237]::query::erase::Erased<[u8; 8usize]>>
  21:     0x7faad42338d1 - <rustc_query_impl[54fb8ce76ffe27d7]::query_impl::object_lifetime_default::dynamic_query::{closure#2} as core[328660574c6e17ab]::ops::function::FnOnce<(rustc_middle[4d497bf664395237]::ty::context::TyCtxt, rustc_span[498346d9655021fc]::def_id::DefId)>>::call_once
  22:     0x7faad4244615 - rustc_query_system[c8323b2e3373b6b6]::query::plumbing::try_execute_query::<rustc_query_impl[54fb8ce76ffe27d7]::DynamicConfig<rustc_query_system[c8323b2e3373b6b6]::query::caches::DefaultCache<rustc_span[498346d9655021fc]::def_id::DefId, rustc_middle[4d497bf664395237]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[54fb8ce76ffe27d7]::plumbing::QueryCtxt, false>
  23:     0x7faad5ab47e2 - rustc_query_impl[54fb8ce76ffe27d7]::query_impl::object_lifetime_default::get_query_non_incr::__rust_end_short_backtrace
  24:     0x5623fe48d2af - rustc_middle[4d497bf664395237]::query::plumbing::query_get_at::<rustc_query_system[c8323b2e3373b6b6]::query::caches::DefaultCache<rustc_span[498346d9655021fc]::def_id::DefId, rustc_middle[4d497bf664395237]::query::erase::Erased<[u8; 8usize]>>>
  25:     0x5623fe4b1cc5 - rustdoc[b96d18e868a406d4]::clean::clean_middle_ty
  26:     0x5623fe2d6f3f - <&mut rustdoc[b96d18e868a406d4]::clean::utils::ty_args_to_args::{closure#0} as core[328660574c6e17ab]::ops::function::FnMut<((usize, rustc_middle[4d497bf664395237]::ty::sty::Binder<&rustc_middle[4d497bf664395237]::ty::generic_args::GenericArg>),)>>::call_mut
  27:     0x5623fe430d07 - <alloc[a0deb0dd21da67ed]::vec::Vec<rustdoc[b96d18e868a406d4]::clean::types::GenericArg> as alloc[a0deb0dd21da67ed]::vec::spec_extend::SpecExtend<rustdoc[b96d18e868a406d4]::clean::types::GenericArg, core[328660574c6e17ab]::iter::adapters::filter_map::FilterMap<core[328660574c6e17ab]::iter::adapters::enumerate::Enumerate<core[328660574c6e17ab]::iter::adapters::map::Map<core[328660574c6e17ab]::slice::iter::Iter<rustc_middle[4d497bf664395237]::ty::generic_args::GenericArg>, <rustc_middle[4d497bf664395237]::ty::sty::Binder<&[rustc_middle[4d497bf664395237]::ty::generic_args::GenericArg]>>::iter::{closure#0}>>, rustdoc[b96d18e868a406d4]::clean::utils::ty_args_to_args::{closure#0}>>>::spec_extend
  28:     0x5623fe2da748 - rustdoc[b96d18e868a406d4]::clean::utils::ty_args_to_args
  29:     0x5623fe2da8a7 - rustdoc[b96d18e868a406d4]::clean::utils::external_path
  30:     0x5623fe4b25eb - rustdoc[b96d18e868a406d4]::clean::clean_middle_ty
  31:     0x5623fe2d6f3f - <&mut rustdoc[b96d18e868a406d4]::clean::utils::ty_args_to_args::{closure#0} as core[328660574c6e17ab]::ops::function::FnMut<((usize, rustc_middle[4d497bf664395237]::ty::sty::Binder<&rustc_middle[4d497bf664395237]::ty::generic_args::GenericArg>),)>>::call_mut
  32:     0x5623fe430d07 - <alloc[a0deb0dd21da67ed]::vec::Vec<rustdoc[b96d18e868a406d4]::clean::types::GenericArg> as alloc[a0deb0dd21da67ed]::vec::spec_extend::SpecExtend<rustdoc[b96d18e868a406d4]::clean::types::GenericArg, core[328660574c6e17ab]::iter::adapters::filter_map::FilterMap<core[328660574c6e17ab]::iter::adapters::enumerate::Enumerate<core[328660574c6e17ab]::iter::adapters::map::Map<core[328660574c6e17ab]::slice::iter::Iter<rustc_middle[4d497bf664395237]::ty::generic_args::GenericArg>, <rustc_middle[4d497bf664395237]::ty::sty::Binder<&[rustc_middle[4d497bf664395237]::ty::generic_args::GenericArg]>>::iter::{closure#0}>>, rustdoc[b96d18e868a406d4]::clean::utils::ty_args_to_args::{closure#0}>>>::spec_extend
  33:     0x5623fe2da748 - rustdoc[b96d18e868a406d4]::clean::utils::ty_args_to_args
  34:     0x5623fe2da8a7 - rustdoc[b96d18e868a406d4]::clean::utils::external_path
  35:     0x5623fe4b10ca - rustdoc[b96d18e868a406d4]::clean::clean_middle_ty
  36:     0x5623fe2d6f3f - <&mut rustdoc[b96d18e868a406d4]::clean::utils::ty_args_to_args::{closure#0} as core[328660574c6e17ab]::ops::function::FnMut<((usize, rustc_middle[4d497bf664395237]::ty::sty::Binder<&rustc_middle[4d497bf664395237]::ty::generic_args::GenericArg>),)>>::call_mut
  37:     0x5623fe430d07 - <alloc[a0deb0dd21da67ed]::vec::Vec<rustdoc[b96d18e868a406d4]::clean::types::GenericArg> as alloc[a0deb0dd21da67ed]::vec::spec_extend::SpecExtend<rustdoc[b96d18e868a406d4]::clean::types::GenericArg, core[328660574c6e17ab]::iter::adapters::filter_map::FilterMap<core[328660574c6e17ab]::iter::adapters::enumerate::Enumerate<core[328660574c6e17ab]::iter::adapters::map::Map<core[328660574c6e17ab]::slice::iter::Iter<rustc_middle[4d497bf664395237]::ty::generic_args::GenericArg>, <rustc_middle[4d497bf664395237]::ty::sty::Binder<&[rustc_middle[4d497bf664395237]::ty::generic_args::GenericArg]>>::iter::{closure#0}>>, rustdoc[b96d18e868a406d4]::clean::utils::ty_args_to_args::{closure#0}>>>::spec_extend
  38:     0x5623fe2da748 - rustdoc[b96d18e868a406d4]::clean::utils::ty_args_to_args
  39:     0x5623fe2da8a7 - rustdoc[b96d18e868a406d4]::clean::utils::external_path
  40:     0x5623fe4b10ca - rustdoc[b96d18e868a406d4]::clean::clean_middle_ty
  41:     0x5623fe491315 - <&mut rustdoc[b96d18e868a406d4]::clean::clean_doc_module::{closure#2} as core[328660574c6e17ab]::ops::function::FnOnce<(&(&rustc_hir[dd5c45a8227164a5]::hir::Item, core[328660574c6e17ab]::option::Option<rustc_span[498346d9655021fc]::symbol::Symbol>, core[328660574c6e17ab]::option::Option<rustc_span[498346d9655021fc]::def_id::LocalDefId>),)>>::call_once
  42:     0x5623fe43207d - <alloc[a0deb0dd21da67ed]::vec::Vec<rustdoc[b96d18e868a406d4]::clean::types::Item> as alloc[a0deb0dd21da67ed]::vec::spec_extend::SpecExtend<rustdoc[b96d18e868a406d4]::clean::types::Item, core[328660574c6e17ab]::iter::adapters::flatten::FlatMap<indexmap[120790489cfb758c]::map::iter::Values<(rustc_span[498346d9655021fc]::def_id::LocalDefId, core[328660574c6e17ab]::option::Option<rustc_span[498346d9655021fc]::symbol::Symbol>), (&rustc_hir[dd5c45a8227164a5]::hir::Item, core[328660574c6e17ab]::option::Option<rustc_span[498346d9655021fc]::symbol::Symbol>, core[328660574c6e17ab]::option::Option<rustc_span[498346d9655021fc]::def_id::LocalDefId>)>, alloc[a0deb0dd21da67ed]::vec::Vec<rustdoc[b96d18e868a406d4]::clean::types::Item>, rustdoc[b96d18e868a406d4]::clean::clean_doc_module::{closure#2}>>>::spec_extend
  43:     0x5623fe49489b - rustdoc[b96d18e868a406d4]::clean::clean_doc_module
  44:     0x5623fe2da13c - rustdoc[b96d18e868a406d4]::clean::utils::krate
  45:     0x5623fe45ad44 - <rustc_session[b6932d4e5e79a3c2]::session::Session>::time::<(rustdoc[b96d18e868a406d4]::clean::types::Crate, rustdoc[b96d18e868a406d4]::config::RenderOptions, rustdoc[b96d18e868a406d4]::formats::cache::Cache), rustdoc[b96d18e868a406d4]::main_args::{closure#1}::{closure#0}::{closure#0}::{closure#0}>
  46:     0x5623fe5126a2 - <rustc_middle[4d497bf664395237]::ty::context::GlobalCtxt>::enter::<rustdoc[b96d18e868a406d4]::main_args::{closure#1}::{closure#0}::{closure#0}, core[328660574c6e17ab]::result::Result<(), rustc_span[498346d9655021fc]::ErrorGuaranteed>>
  47:     0x5623fe45fbdc - <scoped_tls[b5ce6b2cb5f40401]::ScopedKey<rustc_span[498346d9655021fc]::SessionGlobals>>::set::<rustc_interface[5749929743a7739d]::interface::run_compiler<core[328660574c6e17ab]::result::Result<(), rustc_span[498346d9655021fc]::ErrorGuaranteed>, rustdoc[b96d18e868a406d4]::main_args::{closure#1}>::{closure#0}, core[328660574c6e17ab]::result::Result<(), rustc_span[498346d9655021fc]::ErrorGuaranteed>>
  48:     0x5623fe37e639 - std[3de2780fbf87294b]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[5749929743a7739d]::util::run_in_thread_pool_with_globals<rustc_interface[5749929743a7739d]::interface::run_compiler<core[328660574c6e17ab]::result::Result<(), rustc_span[498346d9655021fc]::ErrorGuaranteed>, rustdoc[b96d18e868a406d4]::main_args::{closure#1}>::{closure#0}, core[328660574c6e17ab]::result::Result<(), rustc_span[498346d9655021fc]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[328660574c6e17ab]::result::Result<(), rustc_span[498346d9655021fc]::ErrorGuaranteed>>
  49:     0x5623fe48ebdb - <<std[3de2780fbf87294b]::thread::Builder>::spawn_unchecked_<rustc_interface[5749929743a7739d]::util::run_in_thread_pool_with_globals<rustc_interface[5749929743a7739d]::interface::run_compiler<core[328660574c6e17ab]::result::Result<(), rustc_span[498346d9655021fc]::ErrorGuaranteed>, rustdoc[b96d18e868a406d4]::main_args::{closure#1}>::{closure#0}, core[328660574c6e17ab]::result::Result<(), rustc_span[498346d9655021fc]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[328660574c6e17ab]::result::Result<(), rustc_span[498346d9655021fc]::ErrorGuaranteed>>::{closure#1} as core[328660574c6e17ab]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  50:     0x7faad730b425 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h07273d00f835f9f4
                               at /rustc/249595b7523fc07a99c1adee90b1947739ca0e5b/library/alloc/src/boxed.rs:2007:9
  51:     0x7faad730b425 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hfd47bb1abc348520
                               at /rustc/249595b7523fc07a99c1adee90b1947739ca0e5b/library/alloc/src/boxed.rs:2007:9
  52:     0x7faad730b425 - std::sys::unix::thread::Thread::new::thread_start::h98e1ddafb85f3672
                               at /rustc/249595b7523fc07a99c1adee90b1947739ca0e5b/library/std/src/sys/unix/thread.rs:108:17
  53:     0x7faad2c8c9eb - <unknown>
  54:     0x7faad2d10ebc - <unknown>
  55:                0x0 - <unknown>


rustc version: 1.74.0-nightly (249595b75 2023-08-23)
platform: x86_64-unknown-linux-gnu

query stack during panic:
#0 [object_lifetime_default] looking up lifetime defaults for generic parameter `dicom_encoding::encode::EncodeTo`
end of query stack
Backtrace 

error: internal compiler error: compiler/rustc_hir_analysis/src/collect/resolve_bound_vars.rs:994:9: expected GenericParam for object_lifetime_default

thread 'rustc' panicked at /rustc/249595b7523fc07a99c1adee90b1947739ca0e5b/compiler/rustc_errors/src/lib.rs:1635:9:
Box<dyn Any>
stack backtrace:
   0: std::panicking::begin_panic::<rustc_errors::ExplicitBug>
   1: <rustc_errors::HandlerInner>::bug::<alloc::string::String>
   2: <rustc_errors::Handler>::bug::<alloc::string::String>
   3: rustc_middle::util::bug::opt_span_bug_fmt::<rustc_span::span_encoding::Span>::{closure#0}
   4: rustc_middle::ty::context::tls::with_opt::<rustc_middle::util::bug::opt_span_bug_fmt<rustc_span::span_encoding::Span>::{closure#0}, !>::{closure#0}
   5: rustc_middle::ty::context::tls::with_context_opt::<rustc_middle::ty::context::tls::with_opt<rustc_middle::util::bug::opt_span_bug_fmt<rustc_span::span_encoding::Span>::{closure#0}, !>::{closure#0}, !>
   6: rustc_middle::util::bug::bug_fmt
   7: rustc_hir_analysis::collect::resolve_bound_vars::object_lifetime_default
      [... omitted 2 frames ...]
   8: rustc_middle::query::plumbing::query_get_at::<rustc_query_system::query::caches::DefaultCache<rustc_span::def_id::DefId, rustc_middle::query::erase::Erased<[u8; 8]>>>
   9: rustdoc::clean::clean_middle_ty
  10: <&mut rustdoc::clean::utils::ty_args_to_args::{closure#0} as core::ops::function::FnMut<((usize, rustc_middle::ty::sty::Binder<&rustc_middle::ty::generic_args::GenericArg>),)>>::call_mut
  11: <alloc::vec::Vec<rustdoc::clean::types::GenericArg> as alloc::vec::spec_extend::SpecExtend<rustdoc::clean::types::GenericArg, core::iter::adapters::filter_map::FilterMap<core::iter::adapters::enumerate::Enumerate<core::iter::adapters::map::Map<core::slice::iter::Iter<rustc_middle::ty::generic_args::GenericArg>, <rustc_middle::ty::sty::Binder<&[rustc_middle::ty::generic_args::GenericArg]>>::iter::{closure#0}>>, rustdoc::clean::utils::ty_args_to_args::{closure#0}>>>::spec_extend
  12: rustdoc::clean::utils::ty_args_to_args
  13: rustdoc::clean::utils::external_path
  14: rustdoc::clean::clean_middle_ty
  15: <&mut rustdoc::clean::utils::ty_args_to_args::{closure#0} as core::ops::function::FnMut<((usize, rustc_middle::ty::sty::Binder<&rustc_middle::ty::generic_args::GenericArg>),)>>::call_mut
  16: <alloc::vec::Vec<rustdoc::clean::types::GenericArg> as alloc::vec::spec_extend::SpecExtend<rustdoc::clean::types::GenericArg, core::iter::adapters::filter_map::FilterMap<core::iter::adapters::enumerate::Enumerate<core::iter::adapters::map::Map<core::slice::iter::Iter<rustc_middle::ty::generic_args::GenericArg>, <rustc_middle::ty::sty::Binder<&[rustc_middle::ty::generic_args::GenericArg]>>::iter::{closure#0}>>, rustdoc::clean::utils::ty_args_to_args::{closure#0}>>>::spec_extend
  17: rustdoc::clean::utils::ty_args_to_args
  18: rustdoc::clean::utils::external_path
  19: rustdoc::clean::clean_middle_ty
  20: <&mut rustdoc::clean::utils::ty_args_to_args::{closure#0} as core::ops::function::FnMut<((usize, rustc_middle::ty::sty::Binder<&rustc_middle::ty::generic_args::GenericArg>),)>>::call_mut
  21: <alloc::vec::Vec<rustdoc::clean::types::GenericArg> as alloc::vec::spec_extend::SpecExtend<rustdoc::clean::types::GenericArg, core::iter::adapters::filter_map::FilterMap<core::iter::adapters::enumerate::Enumerate<core::iter::adapters::map::Map<core::slice::iter::Iter<rustc_middle::ty::generic_args::GenericArg>, <rustc_middle::ty::sty::Binder<&[rustc_middle::ty::generic_args::GenericArg]>>::iter::{closure#0}>>, rustdoc::clean::utils::ty_args_to_args::{closure#0}>>>::spec_extend
  22: rustdoc::clean::utils::ty_args_to_args
  23: rustdoc::clean::utils::external_path
  24: rustdoc::clean::clean_middle_ty
  25: <&mut rustdoc::clean::clean_doc_module::{closure#2} as core::ops::function::FnOnce<(&(&rustc_hir::hir::Item, core::option::Option<rustc_span::symbol::Symbol>, core::option::Option<rustc_span::def_id::LocalDefId>),)>>::call_once
  26: <alloc::vec::Vec<rustdoc::clean::types::Item> as alloc::vec::spec_extend::SpecExtend<rustdoc::clean::types::Item, core::iter::adapters::flatten::FlatMap<indexmap::map::iter::Values<(rustc_span::def_id::LocalDefId, core::option::Option<rustc_span::symbol::Symbol>), (&rustc_hir::hir::Item, core::option::Option<rustc_span::symbol::Symbol>, core::option::Option<rustc_span::def_id::LocalDefId>)>, alloc::vec::Vec<rustdoc::clean::types::Item>, rustdoc::clean::clean_doc_module::{closure#2}>>>::spec_extend
  27: rustdoc::clean::clean_doc_module
  28: rustdoc::clean::utils::krate
  29: <rustc_session::session::Session>::time::<(rustdoc::clean::types::Crate, rustdoc::config::RenderOptions, rustdoc::formats::cache::Cache), rustdoc::main_args::{closure#1}::{closure#0}::{closure#0}::{closure#0}>
  30: <rustc_middle::ty::context::GlobalCtxt>::enter::<rustdoc::main_args::{closure#1}::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
  31: <scoped_tls::ScopedKey<rustc_span::SessionGlobals>>::set::<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustdoc::main_args::{closure#1}>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.

@Enet4 Enet4 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 Aug 24, 2023
@rustbot rustbot added the needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. label Aug 24, 2023
@compiler-errors compiler-errors added T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue. and removed T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. labels Aug 24, 2023
@Enet4 Enet4 mentioned this issue Aug 24, 2023
Closed
@matthiaskrgr matthiaskrgr added the regression-from-stable-to-stable Performance or correctness regression from one stable version to another. label Aug 26, 2023
@rustbot rustbot added the I-prioritize Issue: Indicates that prioritization has been requested for this issue. label Aug 26, 2023
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this went build -> ice in nightly-2023-06-11

Regression in 7820972

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lqd commented Aug 26, 2023

7820972 is #107637, cc author: @fmease

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fmease commented Aug 26, 2023

@rustbot claim

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fmease commented Aug 27, 2023 •
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Minimized:

// file a.rs — rustc a.rs --crate-type=lib
pub type T = dyn Outer<dyn Inner>;
pub trait Outer<T: ?Sized> {}
pub trait Inner {}

// file b.rs — rustdoc b.rs --extern=a=liba.rlib --edition=2021
pub use a::T;

@rustbot label S-has-mcve A-cross-crate-reexports

@fmease fmease mentioned this issue Aug 27, 2023
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@rustbot rustbot added A-cross-crate-reexports Area: Documentation that has been re-exported from a different crate S-has-mcve Status: A Minimal Complete and Verifiable Example has been found for this issue labels Aug 27, 2023
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WG-prioritization assigning priority (Zulip discussion).

@rustbot label -I-prioritize +P-critical

@rustbot rustbot added P-critical Critical priority and removed I-prioritize Issue: Indicates that prioritization has been requested for this issue. labels Aug 29, 2023
@bors bors closed this as completed in 35e4163 Sep 1, 2023
@Enet4 Enet4 mentioned this issue Sep 3, 2023
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@fmease fmease reopened this Sep 7, 2023
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fmease commented Sep 7, 2023 •
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Keeping it open until the fix is backported to beta.

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fmease commented Sep 14, 2023

The fix has been backported to beta (#115722) and to stable (#115787). Closing.

@fmease fmease closed this as completed Sep 14, 2023
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A-cross-crate-reexports Area: Documentation that has been re-exported from a different crate C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ P-critical Critical priority regression-from-stable-to-stable Performance or correctness regression from one stable version to another. S-has-mcve Status: A Minimal Complete and Verifiable Example has been found for this issue T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue.
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rustdoc: correctly deal with self ty params when eliding default object lifetimes fmease/rust
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@lqd @matthiaskrgr @compiler-errors @Enet4 @apiraino @fmease @rustbot