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src/librustc/hir/def.rs:271: attempted .def_id() on invalid def: Err #61732

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little-dude opened this issue Jun 11, 2019 · 5 comments · Fixed by #67008
Closed

src/librustc/hir/def.rs:271: attempted .def_id() on invalid def: Err #61732

little-dude opened this issue Jun 11, 2019 · 5 comments · Fixed by #67008
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C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ regression-from-stable-to-stable Performance or correctness regression from one stable version to another. T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue.

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@little-dude
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Rust version affected

Both stable and nightly:

rustc 1.35.0 (3c235d560 2019-05-20)
rustc 1.37.0-nightly (02564de47 2019-06-10)

How to reproduce

Run cargo doc on this code:

git@github.com:little-dude/xrl.git
cd xrl
git checkout unbox
cargo doc  # note that `cargo build`, `cargo test`, `cargo check` and `cargo clippy` work fine

Stacktrace

error: internal compiler error: src/librustc/hir/def.rs:271: attempted .def_id() on invalid def: Err

thread 'rustc' panicked at 'Box<Any>', src/librustc_errors/lib.rs:635:9
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
stack backtrace:
   0: std::sys::unix::backtrace::tracing::imp::unwind_backtrace
             at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
   1: std::sys_common::backtrace::_print
             at src/libstd/sys_common/backtrace.rs:71
   2: std::panicking::default_hook::{{closure}}
             at src/libstd/sys_common/backtrace.rs:59
             at src/libstd/panicking.rs:197
   3: std::panicking::default_hook
             at src/libstd/panicking.rs:211
   4: std::panicking::rust_panic_with_hook
             at src/libstd/panicking.rs:478
   5: std::panicking::begin_panic
   6: rustc_errors::Handler::bug
   7: rustc::util::bug::opt_span_bug_fmt::{{closure}}
   8: rustc::ty::context::tls::with_opt::{{closure}}
   9: rustc::ty::context::tls::with_context_opt
  10: rustc::ty::context::tls::with_opt
  11: rustc::util::bug::opt_span_bug_fmt
  12: rustc::util::bug::bug_fmt
  13: rustc::hir::def::Def::def_id::{{closure}}
  14: rustc::hir::def::Def::def_id
  15: rustdoc::clean::register_def
             at src/librustdoc/clean/mod.rs:4219
  16: <rustc::hir::ImplItem as rustdoc::clean::Clean<rustdoc::clean::Item>>::clean
             at src/librustdoc/clean/mod.rs:3196
             at src/librustdoc/clean/mod.rs:2269
  17: <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T,I>>::from_iter
             at src/librustdoc/clean/mod.rs:125
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/libcore/iter/adapters/mod.rs:587
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/libcore/slice/mod.rs:3150
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/libcore/iter/adapters/mod.rs:587
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/libcore/iter/traits/iterator.rs:604
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/liballoc/vec.rs:1852
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/liballoc/vec.rs:1835
  18: <rustdoc::doctree::Impl as rustdoc::clean::Clean<alloc::vec::Vec<rustdoc::clean::Item>>>::clean
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/liballoc/vec.rs:1721
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/libcore/iter/traits/iterator.rs:1465
             at src/librustdoc/clean/mod.rs:125
             at src/librustdoc/clean/mod.rs:3815
  19: <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T,I>>::spec_extend
             at src/librustdoc/clean/mod.rs:627
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/libcore/ops/function.rs:279
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/libcore/option.rs:414
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/libcore/iter/adapters/mod.rs:568
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/libcore/iter/adapters/flatten.rs:218
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/libcore/iter/adapters/flatten.rs:48
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/liballoc/vec.rs:1929
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/liballoc/vec.rs:1826
  20: <rustdoc::doctree::Module as rustdoc::clean::Clean<rustdoc::clean::Item>>::clean
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/liballoc/vec.rs:1790
             at src/librustdoc/clean/mod.rs:627
  21: <rustdoc::doctree::Module as rustdoc::clean::Clean<rustdoc::clean::Item>>::clean
             at src/librustdoc/clean/mod.rs:621
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/libcore/iter/adapters/mod.rs:587
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/libcore/slice/mod.rs:3150
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/libcore/iter/adapters/mod.rs:587
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/libcore/iter/traits/iterator.rs:604
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/liballoc/vec.rs:1852
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/liballoc/vec.rs:1790
             at src/librustdoc/clean/mod.rs:621
  22: <rustdoc::doctree::Module as rustdoc::clean::Clean<rustdoc::clean::Item>>::clean
             at src/librustdoc/clean/mod.rs:621
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/libcore/iter/adapters/mod.rs:587
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/libcore/slice/mod.rs:3150
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/libcore/iter/adapters/mod.rs:587
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/libcore/iter/traits/iterator.rs:604
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/liballoc/vec.rs:1852
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/liballoc/vec.rs:1790
             at src/librustdoc/clean/mod.rs:621
  23: <rustdoc::visit_ast::RustdocVisitor as rustdoc::clean::Clean<rustdoc::clean::Crate>>::clean
             at src/librustdoc/clean/mod.rs:164
  24: rustc_interface::passes::BoxedGlobalCtxt::access::{{closure}}
             at src/librustdoc/core.rs:512
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/librustc_interface/passes.rs:804
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/librustc/ty/context.rs:2004
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/librustc/ty/context.rs:1971
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/librustc/ty/context.rs:1904
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/librustc/ty/context.rs:1970
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/librustc/ty/context.rs:2003
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/librustc_interface/passes.rs:804
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e//<::rustc_data_structures::box_region::declare_box_region_type macros>:17
  25: rustc_interface::passes::create_global_ctxt::{{closure}}
  26: rustdoc::rust_input::{{closure}}
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/liballoc/boxed.rs:907
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/librustc_data_structures/box_region.rs:52
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e//<::rustc_data_structures::box_region::declare_box_region_type macros>:19
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/librustc_interface/passes.rs:804
             at src/librustdoc/core.rs:465
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/librustc_interface/interface.rs:120
             at src/librustdoc/core.rs:451
             at src/librustdoc/lib.rs:450
  27: std::panicking::try::do_call
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/libstd/panic.rs:309
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/libstd/panicking.rs:293
  28: __rust_maybe_catch_panic
             at src/libpanic_unwind/lib.rs:87
  29: rustc_driver::report_ices_to_stderr_if_any
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/libstd/panicking.rs:272
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/libstd/panic.rs:388
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/librustc_driver/lib.rs:1114
  30: rustdoc::main_args
             at src/librustdoc/lib.rs:447
             at src/librustdoc/lib.rs:404
  31: std::thread::local::LocalKey<T>::with
             at src/librustdoc/lib.rs:98
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/libcore/option.rs:414
             at src/librustdoc/lib.rs:98
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/librustc_interface/util.rs:186
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/librustc/ty/context.rs:1959
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/libstd/thread/local.rs:299
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/libstd/thread/local.rs:245
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/librustc/ty/context.rs:1951
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/libstd/thread/local.rs:299
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/libstd/thread/local.rs:245
  32: scoped_tls::ScopedKey<T>::set
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/librustc/ty/context.rs:1943
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/librustc_interface/util.rs:186
             at /cargo/registry/src/github.com-1ecc6299db9ec823/scoped-tls-1.0.0/src/lib.rs:137
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/librustc_interface/util.rs:182
             at /cargo/registry/src/github.com-1ecc6299db9ec823/scoped-tls-1.0.0/src/lib.rs:137
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/libsyntax/lib.rs:101
             at /cargo/registry/src/github.com-1ecc6299db9ec823/scoped-tls-1.0.0/src/lib.rs:137
  33: syntax::with_globals
             at /rustc/3c235d5600393dfe6c36eeed34042efad8d4f26e/src/libsyntax/lib.rs:100
error: aborting due to previous error


note: the compiler unexpectedly panicked. this is a bug.

note: we would appreciate a bug report: https://github.com/rust-lang/rust/blob/master/CONTRIBUTING.md#bug-reports

note: rustc 1.35.0 (3c235d560 2019-05-20) running on x86_64-unknown-linux-gnu

error: Could not document `xrl`.

Caused by:
  process didn't exit successfully: `rustdoc --edition=2018 --crate-name xrl src/lib.rs --color always -o /home/corentin/code/rust/xrl/target/doc -L dependency=/home/corentin/code/rust/xrl/target/debug/deps --extern bytes=/home/corentin/code/rust/xrl/target/debug/deps/libbytes-108147dcc8a98bf1.rmeta --extern futures=/home/corentin/code/rust/xrl/target/debug/deps/libfutures-cff790ae6a3349be.rmeta --extern log=/home/corentin/code/rust/xrl/target/debug/deps/liblog-a8de2cbee05dee45.rmeta --extern serde=/home/corentin/code/rust/xrl/target/debug/deps/libserde-f4ecaf05341de282.rmeta --extern serde_derive=/home/corentin/code/rust/xrl/target/debug/deps/libserde_derive-c80992fe8c56822b.so --extern serde_json=/home/corentin/code/rust/xrl/target/debug/deps/libserde_json-ec94a732172a058b.rmeta --extern syntect=/home/corentin/code/rust/xrl/target/debug/deps/libsyntect-cb5e37e398c2ed09.rmeta --extern tokio=/home/corentin/code/rust/xrl/target/debug/deps/libtokio-1d7926ccc99d0bfa.rmeta --extern tokio_codec=/home/corentin/code/rust/xrl/target/debug/deps/libtokio_codec-3edc61048161bb42.rmeta --extern tokio_process=/home/corentin/code/rust/xrl/target/debug/deps/libtokio_process-3237d53038e010b9.rmeta` (exit code: 1)

Potentially related issue: #54320, although here it happens only with cargo doc not cargo build
@jonas-schievink jonas-schievink added C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue. labels Jun 11, 2019
@Cogitri
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Cogitri commented Jun 20, 2019

Can confirm on rustc 1.35.0 (3c235d560 2019-05-20) running on x86_64-unknown-linux-musl.

@Cogitri Cogitri mentioned this issue Jun 21, 2019
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@jonas-schievink jonas-schievink mentioned this issue Jun 25, 2019
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@Skepfyr
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Skepfyr commented Jun 26, 2019

MCVE:

pub(in crate::r#mod) fn main() {}

Bisected to find regression is in nightly 2019-01-01, from:

error[E0578]: cannot find module `mod` in module `crate`
 --> main.rs:1:15
  |
1 | pub(in crate::r#mod) fn foo() {}
  |               ^^^^^ not found in `crate`

error: Compilation failed, aborting rustdoc

to the above ICE.

As far as I can tell only rustdoc triggers it, but I don't know enough to say that for certain.

@jonas-schievink jonas-schievink added I-nominated regression-from-stable-to-stable Performance or correctness regression from one stable version to another. labels Jun 27, 2019
@JohnTitor
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Cannot reproduce the ICE with the above MCVE on latest nightly (playground)

@Skepfyr
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Skepfyr commented Oct 4, 2019

After too much time bisecting, it has worked since nightly-2019-08-11, more specifically commit be3fb0c which is this rollup: #63437. My guess is that this is another bug fixed by #63400.

@ollie27 ollie27 mentioned this issue Dec 4, 2019
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@ollie27
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ollie27 commented Dec 4, 2019

I can confirm that #63400 probably fixed this. I've submitted the MCVE as a regression test: #67008

@ollie27 ollie27 added regression-from-stable-to-stable Performance or correctness regression from one stable version to another. and removed I-nominated regression-from-stable-to-stable Performance or correctness regression from one stable version to another. labels Dec 4, 2019
@bors bors closed this as completed in 0df1609 Dec 6, 2019
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C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ regression-from-stable-to-stable Performance or correctness regression from one stable version to another. T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue.
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rustdoc: Add test for fixed issue ollie27/rust
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@jonas-schievink @Skepfyr @little-dude @ollie27 @Cogitri @JohnTitor