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ICE: rustdoc: json output and #[doc(inline)] #110138

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matthiaskrgr opened this issue Apr 10, 2023 · 2 comments
Closed

ICE: rustdoc: json output and #[doc(inline)] #110138

matthiaskrgr opened this issue Apr 10, 2023 · 2 comments
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A-rustdoc-json Area: Rustdoc JSON backend C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ 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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@matthiaskrgr
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I tried this code:
rustdoc rd.rs -Zunstable-options --output-format json

#[doc(inline)]
#[doc(inline)]
pub extern crate core;

fn main() {}

I expected to see this happen: explanation

Instead, this happened: explanation

Meta

rustc --version --verbose:

rustdoc 1.70.0-nightly (696aaad58 2023-04-09)
binary: rustdoc
commit-hash: unknown
commit-date: unknown
host: x86_64-unknown-linux-gnu
release: 1.70.0-nightly
LLVM version: 16.0.2
Backtrace 

thread 'rustc' panicked at 'called `Option::unwrap()` on a `None` value', src/librustdoc/json/conversions.rs:747:34
stack backtrace:
   0:     0x7f5b7b364f0a - std::backtrace_rs::backtrace::libunwind::trace::hd26deac9c5400510
                               at /rustc/696aaad58c57a589f6fb2ecff5bae2eec581cb71/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
   1:     0x7f5b7b364f0a - std::backtrace_rs::backtrace::trace_unsynchronized::h0d525c5df19c5fb3
                               at /rustc/696aaad58c57a589f6fb2ecff5bae2eec581cb71/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7f5b7b364f0a - std::sys_common::backtrace::_print_fmt::hfa46a4e5b1417412
                               at /rustc/696aaad58c57a589f6fb2ecff5bae2eec581cb71/library/std/src/sys_common/backtrace.rs:65:5
   3:     0x7f5b7b364f0a - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hd35deac25c2a2361
                               at /rustc/696aaad58c57a589f6fb2ecff5bae2eec581cb71/library/std/src/sys_common/backtrace.rs:44:22
   4:     0x7f5b7b3c8fcf - core::fmt::write::h57692caee39fe498
                               at /rustc/696aaad58c57a589f6fb2ecff5bae2eec581cb71/library/core/src/fmt/mod.rs:1254:17
   5:     0x7f5b7b357a45 - std::io::Write::write_fmt::h3cf8ad4e45a4d8c5
                               at /rustc/696aaad58c57a589f6fb2ecff5bae2eec581cb71/library/std/src/io/mod.rs:1698:15
   6:     0x7f5b7b364cd5 - std::sys_common::backtrace::_print::hdf25b99ab69d47c1
                               at /rustc/696aaad58c57a589f6fb2ecff5bae2eec581cb71/library/std/src/sys_common/backtrace.rs:47:5
   7:     0x7f5b7b364cd5 - std::sys_common::backtrace::print::hf7d8e454ceffbfe6
                               at /rustc/696aaad58c57a589f6fb2ecff5bae2eec581cb71/library/std/src/sys_common/backtrace.rs:34:9
   8:     0x7f5b7b36797e - std::panicking::default_hook::{{closure}}::hd867f5f971a369e7
                               at /rustc/696aaad58c57a589f6fb2ecff5bae2eec581cb71/library/std/src/panicking.rs:269:22
   9:     0x7f5b7b367725 - std::panicking::default_hook::habf6eee7b304b436
                               at /rustc/696aaad58c57a589f6fb2ecff5bae2eec581cb71/library/std/src/panicking.rs:288:9
  10:     0x7f5b7e655665 - rustc_driver_impl[2d97b4318b2b8966]::DEFAULT_HOOK::{closure#0}::{closure#0}
  11:     0x7f5b7b368174 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h0aac6d981c9df2cb
                               at /rustc/696aaad58c57a589f6fb2ecff5bae2eec581cb71/library/alloc/src/boxed.rs:1990:9
  12:     0x7f5b7b368174 - std::panicking::rust_panic_with_hook::h0ae6f6705c097c51
                               at /rustc/696aaad58c57a589f6fb2ecff5bae2eec581cb71/library/std/src/panicking.rs:694:13
  13:     0x7f5b7b367ea2 - std::panicking::begin_panic_handler::{{closure}}::hbe8782e7e80a84bd
                               at /rustc/696aaad58c57a589f6fb2ecff5bae2eec581cb71/library/std/src/panicking.rs:579:13
  14:     0x7f5b7b365376 - std::sys_common::backtrace::__rust_end_short_backtrace::hc6aeb922005c62a1
                               at /rustc/696aaad58c57a589f6fb2ecff5bae2eec581cb71/library/std/src/sys_common/backtrace.rs:150:18
  15:     0x7f5b7b367c42 - rust_begin_unwind
                               at /rustc/696aaad58c57a589f6fb2ecff5bae2eec581cb71/library/std/src/panicking.rs:577:5
  16:     0x7f5b7b3c52e3 - core::panicking::panic_fmt::h558c06d837516a28
                               at /rustc/696aaad58c57a589f6fb2ecff5bae2eec581cb71/library/core/src/panicking.rs:67:14
  17:     0x7f5b7b3c537d - core::panicking::panic::hee3e155c560a4e20
                               at /rustc/696aaad58c57a589f6fb2ecff5bae2eec581cb71/library/core/src/panicking.rs:117:5
  18:     0x55de8d1dc456 - <rustdoc_json_types[166709aa9cefdb0]::Discriminant as rustdoc[97ff839e1c69ca68]::json::conversions::FromWithTcx<rustdoc[97ff839e1c69ca68]::clean::types::Discriminant>>::from_tcx
  19:     0x55de8d1dc205 - <rustdoc_json_types[166709aa9cefdb0]::Variant as rustdoc[97ff839e1c69ca68]::json::conversions::FromWithTcx<rustdoc[97ff839e1c69ca68]::clean::types::Variant>>::from_tcx
  20:     0x55de8d21e68b - rustdoc[97ff839e1c69ca68]::json::conversions::from_clean_item
  21:     0x55de8d264a7f - <rustdoc[97ff839e1c69ca68]::json::JsonRenderer as rustdoc[97ff839e1c69ca68]::formats::renderer::FormatRenderer>::item
  22:     0x55de8d2644b9 - <rustdoc[97ff839e1c69ca68]::json::JsonRenderer as rustdoc[97ff839e1c69ca68]::formats::renderer::FormatRenderer>::item
  23:     0x55de8d2644b9 - <rustdoc[97ff839e1c69ca68]::json::JsonRenderer as rustdoc[97ff839e1c69ca68]::formats::renderer::FormatRenderer>::item
  24:     0x55de8d2644b9 - <rustdoc[97ff839e1c69ca68]::json::JsonRenderer as rustdoc[97ff839e1c69ca68]::formats::renderer::FormatRenderer>::item
  25:     0x55de8d2644b9 - <rustdoc[97ff839e1c69ca68]::json::JsonRenderer as rustdoc[97ff839e1c69ca68]::formats::renderer::FormatRenderer>::item
  26:     0x55de8d1c9426 - rustdoc[97ff839e1c69ca68]::formats::renderer::run_format::<rustdoc[97ff839e1c69ca68]::json::JsonRenderer>
  27:     0x55de8cf8a51a - rustdoc[97ff839e1c69ca68]::run_renderer::<rustdoc[97ff839e1c69ca68]::json::JsonRenderer>
  28:     0x55de8d12d6ca - <rustc_session[ca8de67c023859ee]::session::Session>::time::<core[df85f84a2bdb4263]::result::Result<(), rustc_span[24111c70308d7d50]::ErrorGuaranteed>, rustdoc[97ff839e1c69ca68]::main_args::{closure#1}::{closure#0}::{closure#0}::{closure#2}>
  29:     0x55de8d26fd30 - <std[3958f564ddc007dc]::thread::local::LocalKey<core[df85f84a2bdb4263]::cell::Cell<*const ()>>>::with::<rustc_middle[9ae9af9eb73fc3b1]::ty::context::tls::enter_context<<rustc_middle[9ae9af9eb73fc3b1]::ty::context::GlobalCtxt>::enter<rustdoc[97ff839e1c69ca68]::main_args::{closure#1}::{closure#0}::{closure#0}, core[df85f84a2bdb4263]::result::Result<(), rustc_span[24111c70308d7d50]::ErrorGuaranteed>>::{closure#0}, core[df85f84a2bdb4263]::result::Result<(), rustc_span[24111c70308d7d50]::ErrorGuaranteed>>::{closure#0}, core[df85f84a2bdb4263]::result::Result<(), rustc_span[24111c70308d7d50]::ErrorGuaranteed>>
  30:     0x55de8d17c39b - <rustc_interface[5859b4daf695f246]::queries::QueryResult<&rustc_middle[9ae9af9eb73fc3b1]::ty::context::GlobalCtxt>>::enter::<core[df85f84a2bdb4263]::result::Result<(), rustc_span[24111c70308d7d50]::ErrorGuaranteed>, rustdoc[97ff839e1c69ca68]::main_args::{closure#1}::{closure#0}::{closure#0}>
  31:     0x55de8cfc725e - <rustc_interface[5859b4daf695f246]::interface::Compiler>::enter::<rustdoc[97ff839e1c69ca68]::main_args::{closure#1}::{closure#0}, core[df85f84a2bdb4263]::result::Result<(), rustc_span[24111c70308d7d50]::ErrorGuaranteed>>
  32:     0x55de8d17a1db - rustc_span[24111c70308d7d50]::set_source_map::<core[df85f84a2bdb4263]::result::Result<(), rustc_span[24111c70308d7d50]::ErrorGuaranteed>, rustc_interface[5859b4daf695f246]::interface::run_compiler<core[df85f84a2bdb4263]::result::Result<(), rustc_span[24111c70308d7d50]::ErrorGuaranteed>, rustdoc[97ff839e1c69ca68]::main_args::{closure#1}>::{closure#0}::{closure#0}>
  33:     0x55de8cfc8d03 - <scoped_tls[5f4f1a448a290364]::ScopedKey<rustc_span[24111c70308d7d50]::SessionGlobals>>::set::<rustc_interface[5859b4daf695f246]::interface::run_compiler<core[df85f84a2bdb4263]::result::Result<(), rustc_span[24111c70308d7d50]::ErrorGuaranteed>, rustdoc[97ff839e1c69ca68]::main_args::{closure#1}>::{closure#0}, core[df85f84a2bdb4263]::result::Result<(), rustc_span[24111c70308d7d50]::ErrorGuaranteed>>
  34:     0x55de8cf57769 - std[3958f564ddc007dc]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[5859b4daf695f246]::util::run_in_thread_pool_with_globals<rustc_interface[5859b4daf695f246]::interface::run_compiler<core[df85f84a2bdb4263]::result::Result<(), rustc_span[24111c70308d7d50]::ErrorGuaranteed>, rustdoc[97ff839e1c69ca68]::main_args::{closure#1}>::{closure#0}, core[df85f84a2bdb4263]::result::Result<(), rustc_span[24111c70308d7d50]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[df85f84a2bdb4263]::result::Result<(), rustc_span[24111c70308d7d50]::ErrorGuaranteed>>
  35:     0x55de8d203cdd - <<std[3958f564ddc007dc]::thread::Builder>::spawn_unchecked_<rustc_interface[5859b4daf695f246]::util::run_in_thread_pool_with_globals<rustc_interface[5859b4daf695f246]::interface::run_compiler<core[df85f84a2bdb4263]::result::Result<(), rustc_span[24111c70308d7d50]::ErrorGuaranteed>, rustdoc[97ff839e1c69ca68]::main_args::{closure#1}>::{closure#0}, core[df85f84a2bdb4263]::result::Result<(), rustc_span[24111c70308d7d50]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[df85f84a2bdb4263]::result::Result<(), rustc_span[24111c70308d7d50]::ErrorGuaranteed>>::{closure#1} as core[df85f84a2bdb4263]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  36:     0x7f5b7b372255 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h40268ec1e3f75121
                               at /rustc/696aaad58c57a589f6fb2ecff5bae2eec581cb71/library/alloc/src/boxed.rs:1976:9
  37:     0x7f5b7b372255 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb4cdee1772a16528
                               at /rustc/696aaad58c57a589f6fb2ecff5bae2eec581cb71/library/alloc/src/boxed.rs:1976:9
  38:     0x7f5b7b372255 - std::sys::unix::thread::Thread::new::thread_start::h71a921bd46112f49
                               at /rustc/696aaad58c57a589f6fb2ecff5bae2eec581cb71/library/std/src/sys/unix/thread.rs:108:17
  39:     0x7f5b7afffbb5 - <unknown>
  40:     0x7f5b7b081d90 - <unknown>
  41:                0x0 - <unknown>

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-nightly (696aaad58 2023-04-09) running on x86_64-unknown-linux-gnu

note: compiler flags: -Z unstable-options

query stack during panic:
end of query stack

@matthiaskrgr matthiaskrgr added T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ C-bug Category: This is a bug. A-rustdoc-json Area: Rustdoc JSON backend S-has-mcve Status: A Minimal Complete and Verifiable Example has been found for this issue labels Apr 10, 2023
@aDotInTheVoid
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aDotInTheVoid commented Apr 10, 2023 •
edited
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Or even simpler:

#[doc(inline)]
pub extern crate core;

@bvanjoi bvanjoi mentioned this issue Apr 10, 2023
Merged
@matthiaskrgr matthiaskrgr changed the title ICE: rustdoc: json output , duplicate #[doc(inline)] ICE: rustdoc: json output and #[doc(inline)] Apr 10, 2023
JohnTitor added a commit to JohnTitor/rust that referenced this issue Apr 11, 2023
@JohnTitor
Rollup merge of rust-lang#110146 - bvanjoi:relative-110138, r=notriddle
7aa7496 
fix(doc): do not parse inline when output is json for external crate

relative rust-lang#110138
JohnTitor added a commit to JohnTitor/rust that referenced this issue Apr 11, 2023
@JohnTitor
Rollup merge of rust-lang#110146 - bvanjoi:relative-110138, r=notriddle
a996418 
fix(doc): do not parse inline when output is json for external crate

relative rust-lang#110138
@GuillaumeGomez
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Fixed by #110146.

jyn514 added a commit to jyn514/rust that referenced this issue Apr 26, 2023
@jyn514
Rollup merge of rust-lang#110329 - aDotInTheVoid:json-inline-again, r…
a1d4718 
…=jyn514

Improve tests for rust-lang#110138

These should live in rustdoc-json, not rustdoc-ui, so we can run assertions, and not just check there's no ICE

CC rust-lang#100515, as we never document this suite

r? rustdoc
@jyn514 jyn514 mentioned this issue Apr 26, 2023
Merged
bors added a commit to rust-lang-ci/rust that referenced this issue Apr 26, 2023
@bors
Auto merge of rust-lang#110839 - jyn514:rollup-uikilwm, r=jyn514
ae3ab14 
Rollup of 9 pull requests

Successful merges:

 - rust-lang#108416 (black_box doc corrections for clarification - Issue rust-lang#107957)
 - rust-lang#109379 (Replace `yes` command by `while-echo` in test `tests/ui/process/process-sigpipe.rs`)
 - rust-lang#110266 (Update documentation wording on path 'try_exists' functions)
 - rust-lang#110329 (Improve tests for rust-lang#110138)
 - rust-lang#110418 (Spelling rustdoc)
 - rust-lang#110587 (Fix `std` compilation error for wasi+atomics)
 - rust-lang#110594 (`rustc --help` add `--cfg` SPEC declaration.)
 - rust-lang#110792 (Use the standard macOS CI runner)
 - rust-lang#110817 (Add regression tests for const-generic inherent associated types)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup
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A-rustdoc-json Area: Rustdoc JSON backend C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ 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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@matthiaskrgr @GuillaumeGomez @aDotInTheVoid