Closed
Description
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