Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Rustc panicked at Box<Any>: impossible case reached #54002

Closed
editicalu opened this issue Sep 6, 2018 · 6 comments
Closed

Rustc panicked at Box<Any>: impossible case reached #54002

editicalu opened this issue Sep 6, 2018 · 6 comments
Labels
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.

Comments

@editicalu
Copy link

editicalu commented Sep 6, 2018 •
edited
Loading

Rustc panicked at documenting a dependent crate in my project.

Meta

rustc --version --verbose
rustc 1.30.0-nightly (6e0f1cc15 2018-09-05)
binary: rustc
commit-hash: 6e0f1cc1587676b58cfff06bf3a10ea7fba7086e
commit-date: 2018-09-05
host: x86_64-unknown-linux-gnu
release: 1.30.0-nightly
LLVM version: 8.0

$ RUST_BACKTRACE=1 cargo doc --jobs=1 
 Documenting typenum v1.10.0                                                    
error: internal compiler error: librustc/traits/structural_impls.rs:178: impossible case reached

thread '<unnamed>' panicked at 'Box<Any>', librustc_errors/lib.rs:587:9
stack backtrace:
   0: std::sys::unix::backtrace::tracing::imp::unwind_backtrace
             at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
   1: std::sys_common::backtrace::print
             at libstd/sys_common/backtrace.rs:71
             at libstd/sys_common/backtrace.rs:59
   2: std::panicking::default_hook::{{closure}}
             at libstd/panicking.rs:211
   3: std::panicking::default_hook
             at libstd/panicking.rs:227
   4: std::panicking::rust_panic_with_hook
             at libstd/panicking.rs:477
   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::traits::structural_impls::<impl rustc::ty::context::Lift<'tcx> for rustc::traits::SelectionError<'a>>::lift_to_tcx
  14: rustc::ty::context::TyCtxt::lift_to_global
  15: rustc::traits::select::SelectionContext::candidate_from_obligation
  16: rustc::traits::select::SelectionContext::evaluate_stack
  17: rustc::dep_graph::graph::DepGraph::with_anon_task
  18: rustc::traits::select::SelectionContext::evaluate_predicate_recursively
  19: rustc::infer::InferCtxt::probe
  20: <&'a mut I as core::iter::iterator::Iterator>::next
  21: <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T, I>>::from_iter
  22: rustc::traits::select::SelectionContext::candidate_from_obligation_no_cache
  23: rustc::dep_graph::graph::DepGraph::with_anon_task
  24: rustc::traits::select::SelectionContext::candidate_from_obligation
  25: rustc::traits::select::SelectionContext::evaluate_stack
  26: rustc::dep_graph::graph::DepGraph::with_anon_task
  27: rustc::traits::select::SelectionContext::evaluate_predicate_recursively
  28: rustc::infer::InferCtxt::probe
  29: <&'a mut I as core::iter::iterator::Iterator>::next
  30: <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T, I>>::from_iter
  31: rustc::traits::select::SelectionContext::candidate_from_obligation_no_cache
  32: rustc::dep_graph::graph::DepGraph::with_anon_task
  33: rustc::traits::select::SelectionContext::candidate_from_obligation
  34: rustc::traits::select::SelectionContext::evaluate_stack
  35: rustc::dep_graph::graph::DepGraph::with_anon_task
  36: rustc::traits::select::SelectionContext::evaluate_predicate_recursively
  37: rustc::infer::InferCtxt::probe
  38: <&'a mut I as core::iter::iterator::Iterator>::next
  39: <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T, I>>::from_iter
  40: rustc::traits::select::SelectionContext::candidate_from_obligation_no_cache
  41: rustc::dep_graph::graph::DepGraph::with_anon_task
  42: rustc::traits::select::SelectionContext::candidate_from_obligation
  43: rustc::traits::select::SelectionContext::evaluate_stack
  44: rustc::dep_graph::graph::DepGraph::with_anon_task
  45: rustc::traits::select::SelectionContext::evaluate_predicate_recursively
  46: rustc::infer::InferCtxt::probe
  47: <&'a mut I as core::iter::iterator::Iterator>::next
  48: <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T, I>>::from_iter
  49: rustc::traits::select::SelectionContext::candidate_from_obligation_no_cache
  50: rustc::dep_graph::graph::DepGraph::with_anon_task
  51: rustc::traits::select::SelectionContext::candidate_from_obligation
  52: rustc::traits::select::SelectionContext::evaluate_stack
  53: rustc::dep_graph::graph::DepGraph::with_anon_task
  54: rustc::traits::select::SelectionContext::evaluate_predicate_recursively
  55: rustc::infer::InferCtxt::probe
  56: <&'a mut I as core::iter::iterator::Iterator>::next
  57: <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T, I>>::from_iter
  58: rustc::traits::select::SelectionContext::candidate_from_obligation_no_cache
  59: rustc::dep_graph::graph::DepGraph::with_anon_task
  60: rustc::traits::select::SelectionContext::candidate_from_obligation
  61: rustc::traits::select::SelectionContext::evaluate_stack
  62: rustc::dep_graph::graph::DepGraph::with_anon_task
  63: rustc::traits::select::SelectionContext::evaluate_predicate_recursively
  64: rustc::infer::InferCtxt::probe
  65: <&'a mut I as core::iter::iterator::Iterator>::next
  66: <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T, I>>::from_iter
  67: rustc::traits::select::SelectionContext::candidate_from_obligation_no_cache
  68: rustc::dep_graph::graph::DepGraph::with_anon_task
  69: rustc::traits::select::SelectionContext::candidate_from_obligation
  70: rustc::traits::select::SelectionContext::evaluate_stack
  71: rustc::dep_graph::graph::DepGraph::with_anon_task
  72: rustc::traits::select::SelectionContext::evaluate_predicate_recursively
  73: rustc::infer::InferCtxt::probe
  74: <&'a mut I as core::iter::iterator::Iterator>::next
  75: <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T, I>>::from_iter
  76: rustc::traits::select::SelectionContext::candidate_from_obligation_no_cache
  77: rustc::dep_graph::graph::DepGraph::with_anon_task
  78: rustc::traits::select::SelectionContext::candidate_from_obligation
  79: rustc::traits::select::SelectionContext::evaluate_stack
  80: rustc::dep_graph::graph::DepGraph::with_anon_task
  81: rustc::traits::select::SelectionContext::evaluate_predicate_recursively
  82: rustc::infer::InferCtxt::probe
  83: <&'a mut I as core::iter::iterator::Iterator>::next
  84: <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T, I>>::from_iter
  85: rustc::traits::select::SelectionContext::candidate_from_obligation_no_cache
  86: rustc::dep_graph::graph::DepGraph::with_anon_task
  87: rustc::traits::select::SelectionContext::candidate_from_obligation
  88: rustc::traits::select::SelectionContext::evaluate_stack
  89: rustc::dep_graph::graph::DepGraph::with_anon_task
  90: rustc::traits::select::SelectionContext::evaluate_predicate_recursively
  91: rustc::infer::InferCtxt::probe
  92: <&'a mut I as core::iter::iterator::Iterator>::next
  93: <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T, I>>::from_iter
  94: rustc::traits::select::SelectionContext::candidate_from_obligation_no_cache
  95: rustc::dep_graph::graph::DepGraph::with_anon_task
  96: rustc::traits::select::SelectionContext::candidate_from_obligation
  97: rustc::traits::select::SelectionContext::evaluate_stack
  98: rustc::dep_graph::graph::DepGraph::with_anon_task
  99: rustc::traits::select::SelectionContext::evaluate_predicate_recursively

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 1.30.0-nightly (6e0f1cc15 2018-09-05) running on x86_64-unknown-linux-gnu

error: Could not document `typenum`.

Caused by:
  process didn't exit successfully: `rustdoc --crate-name typenum /home/wardsegers/.cargo/registry/src/github.com-1ecc6299db9ec823/typenum-1.10.0/src/lib.rs --cap-lints allow -o /home/wardsegers/git/origami/origami_web/target/doc -L dependency=/home/wardsegers/git/origami/origami_web/target/debug/deps` (exit code: 1)
@Centril Centril added the I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ label Sep 7, 2018
@frol
Copy link
Contributor

frol commented Sep 10, 2018

I confirm this bug since at least Rust Nightly 2018-08-15.

You can reproduce it with the following repo: https://github.com/qbit-org-ua/lolcoin-2018/

$ env RUST_BACKTRACE=1 cargo +nightly doc --open
...
error: internal compiler error: librustc/traits/structural_impls.rs:178: impossible case reached

thread '<unnamed>' panicked at 'Box<Any>', librustc_errors/lib.rs:587:9
stack backtrace:
   0: std::sys::unix::backtrace::tracing::imp::unwind_backtrace
             at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
   1: std::sys_common::backtrace::print
             at libstd/sys_common/backtrace.rs:71
             at libstd/sys_common/backtrace.rs:59
   2: std::panicking::default_hook::{{closure}}
             at libstd/panicking.rs:211
   3: std::panicking::default_hook
             at libstd/panicking.rs:227
   4: std::panicking::rust_panic_with_hook
             at libstd/panicking.rs:477
   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::traits::structural_impls::<impl rustc::ty::context::Lift<'tcx> for rustc::traits::SelectionError<'a>>::lift_to_tcx
  14: rustc::ty::context::TyCtxt::lift_to_global
  15: rustc::traits::select::SelectionContext::candidate_from_obligation
  16: rustc::traits::select::SelectionContext::evaluate_stack
  17: rustc::dep_graph::graph::DepGraph::with_anon_task
  18: rustc::traits::select::SelectionContext::evaluate_predicate_recursively
  19: rustc::infer::InferCtxt::probe
  20: <&'a mut I as core::iter::iterator::Iterator>::next
  21: <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T, I>>::from_iter
  22: rustc::traits::select::SelectionContext::candidate_from_obligation_no_cache
  23: rustc::dep_graph::graph::DepGraph::with_anon_task
  24: rustc::traits::select::SelectionContext::candidate_from_obligation
  25: rustc::traits::select::SelectionContext::evaluate_stack
  26: rustc::dep_graph::graph::DepGraph::with_anon_task
  27: rustc::traits::select::SelectionContext::evaluate_predicate_recursively
  28: rustc::infer::InferCtxt::probe
  29: <&'a mut I as core::iter::iterator::Iterator>::next
  30: <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T, I>>::from_iter
  31: rustc::traits::select::SelectionContext::candidate_from_obligation_no_cache
  32: rustc::dep_graph::graph::DepGraph::with_anon_task
  33: rustc::traits::select::SelectionContext::candidate_from_obligation
  34: rustc::traits::select::SelectionContext::evaluate_stack
  35: rustc::dep_graph::graph::DepGraph::with_anon_task
  36: rustc::traits::select::SelectionContext::evaluate_predicate_recursively
  37: rustc::infer::InferCtxt::probe
  38: <&'a mut I as core::iter::iterator::Iterator>::next
  39: <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T, I>>::from_iter
  40: rustc::traits::select::SelectionContext::candidate_from_obligation_no_cache
  41: rustc::dep_graph::graph::DepGraph::with_anon_task
  42: rustc::traits::select::SelectionContext::candidate_from_obligation
  43: rustc::traits::select::SelectionContext::evaluate_stack
  44: rustc::dep_graph::graph::DepGraph::with_anon_task
  45: rustc::traits::select::SelectionContext::evaluate_predicate_recursively
  46: rustc::infer::InferCtxt::probe
  47: <&'a mut I as core::iter::iterator::Iterator>::next
  48: <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T, I>>::from_iter
  49: rustc::traits::select::SelectionContext::candidate_from_obligation_no_cache
  50: rustc::dep_graph::graph::DepGraph::with_anon_task
  51: rustc::traits::select::SelectionContext::candidate_from_obligation
  52: rustc::traits::select::SelectionContext::evaluate_stack
  53: rustc::dep_graph::graph::DepGraph::with_anon_task
  54: rustc::traits::select::SelectionContext::evaluate_predicate_recursively
  55: rustc::infer::InferCtxt::probe
  56: <&'a mut I as core::iter::iterator::Iterator>::next
  57: <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T, I>>::from_iter
  58: rustc::traits::select::SelectionContext::candidate_from_obligation_no_cache
  59: rustc::dep_graph::graph::DepGraph::with_anon_task
  60: rustc::traits::select::SelectionContext::candidate_from_obligation
  61: rustc::traits::select::SelectionContext::evaluate_stack
  62: rustc::dep_graph::graph::DepGraph::with_anon_task
  63: rustc::traits::select::SelectionContext::evaluate_predicate_recursively
  64: rustc::infer::InferCtxt::probe
  65: <&'a mut I as core::iter::iterator::Iterator>::next
  66: <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T, I>>::from_iter
  67: rustc::traits::select::SelectionContext::candidate_from_obligation_no_cache
  68: rustc::dep_graph::graph::DepGraph::with_anon_task
  69: rustc::traits::select::SelectionContext::candidate_from_obligation
  70: rustc::traits::select::SelectionContext::evaluate_stack
  71: rustc::dep_graph::graph::DepGraph::with_anon_task
  72: rustc::traits::select::SelectionContext::evaluate_predicate_recursively
  73: rustc::infer::InferCtxt::probe
  74: <&'a mut I as core::iter::iterator::Iterator>::next
  75: <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T, I>>::from_iter
  76: rustc::traits::select::SelectionContext::candidate_from_obligation_no_cache
  77: rustc::dep_graph::graph::DepGraph::with_anon_task
  78: rustc::traits::select::SelectionContext::candidate_from_obligation
  79: rustc::traits::select::SelectionContext::evaluate_stack
  80: rustc::dep_graph::graph::DepGraph::with_anon_task
  81: rustc::traits::select::SelectionContext::evaluate_predicate_recursively
  82: rustc::infer::InferCtxt::probe
  83: <&'a mut I as core::iter::iterator::Iterator>::next
  84: <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T, I>>::from_iter
  85: rustc::traits::select::SelectionContext::candidate_from_obligation_no_cache
  86: rustc::dep_graph::graph::DepGraph::with_anon_task
  87: rustc::traits::select::SelectionContext::candidate_from_obligation
  88: rustc::traits::select::SelectionContext::evaluate_stack
  89: rustc::dep_graph::graph::DepGraph::with_anon_task
  90: rustc::traits::select::SelectionContext::evaluate_predicate_recursively
  91: rustc::infer::InferCtxt::probe
  92: <&'a mut I as core::iter::iterator::Iterator>::next
  93: <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T, I>>::from_iter
  94: rustc::traits::select::SelectionContext::candidate_from_obligation_no_cache
  95: rustc::dep_graph::graph::DepGraph::with_anon_task
  96: rustc::traits::select::SelectionContext::candidate_from_obligation
  97: rustc::traits::select::SelectionContext::evaluate_stack
  98: rustc::dep_graph::graph::DepGraph::with_anon_task
  99: rustc::traits::select::SelectionContext::evaluate_predicate_recursively
    Checking mio-uds v0.6.7

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 1.30.0-nightly (2d4e34ca8 2018-09-09) running on x86_64-unknown-linux-gnu

error: Could not document `typenum`.

Caused by:
  process didn't exit successfully: `rustdoc --crate-name typenum /home/frol/.cargo/registry/src/github.com-1ecc6299db9ec823/typenum-1.10.0/src/lib.rs --cap-lints allow -o /mnt/storage/projects/qbit/LOL-2018/lolcoin/target/doc -L dependency=/mnt/storage/projects/qbit/LOL-2018/lolcoin/target/debug/deps` (exit code: 1)
...

@joelgallant joelgallant mentioned this issue Sep 12, 2018
Closed
@waywardmonkeys
Copy link
Contributor

I think this is the same as #53505 and was fixed in #54199 which is in the current nightly.

@jesskfullwood
Copy link

jesskfullwood commented Oct 24, 2018 •
edited
Loading

Don't think this has been fixed - I just hit it while compiling differential-dataflow, running the latest nightly.

Edit: Looking at the stack traces, not certain that I have hit the same error

$ rustc --version
rustc 1.31.0-nightly (f99911a4a 2018-10-23)

$ RUST_BACKTRACE=1 cargo doc --open
 Documenting differential-dataflow v0.7.0                                                               
error: internal compiler error: librustc/traits/select.rs:2764: Where clause `Binder(<_ as std::marker::Send>)` was applicable to `Obligation(predicate=Binder(TraitPredicate(<operators::ValueHistory<'_, _, _, _> as std::marker::Send>)),depth=2)` but now is not
                                                                                                        
thread '<unnamed>' panicked at 'Box<Any>', librustc_errors/lib.rs:600:9                                 
stack backtrace:                                                                                        
   0: std::sys::unix::backtrace::tracing::imp::unwind_backtrace                                         
             at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49                                           
   1: std::sys_common::backtrace::print                                                                 
             at libstd/sys_common/backtrace.rs:71                                                       
             at libstd/sys_common/backtrace.rs:59                                                       
   2: std::panicking::default_hook::{{closure}}                                                         
             at libstd/panicking.rs:211                                                                 
   3: std::panicking::default_hook                                                                      
             at libstd/panicking.rs:227                                                                 
   4: std::panicking::rust_panic_with_hook                                                              
             at libstd/panicking.rs:476                                                                 
   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::traits::select::SelectionContext::confirm_candidate                                        
  14: rustc::infer::InferCtxt::probe                                                                    
  15: rustc::traits::select::SelectionContext::evaluate_stack                                           
  16: rustc::dep_graph::graph::DepGraph::with_anon_task                                                 
  17: rustc::traits::select::SelectionContext::evaluate_predicate_recursively                           
  18: rustc::infer::InferCtxt::probe                                                                    
  19: rustc::traits::select::SelectionContext::evaluate_stack                                           
  20: rustc::dep_graph::graph::DepGraph::with_anon_task                                                 
  21: rustc::traits::select::SelectionContext::evaluate_predicate_recursively                           
  22: rustc::infer::InferCtxt::probe                                                                    
  23: rustc::traits::select::SelectionContext::evaluate_stack                                           
  24: rustc::dep_graph::graph::DepGraph::with_anon_task                                                 
  25: rustc::traits::select::SelectionContext::evaluate_predicate_recursively                           
  26: rustc::traits::select::SelectionContext::evaluate_obligation_recursively                          
  27: rustc::ty::context::GlobalCtxt::enter_local                                                       
  28: rustc_traits::evaluate_obligation::evaluate_obligation                                            
  29: rustc::ty::query::__query_compute::evaluate_obligation                                            
  30: rustc::ty::query::<impl rustc::ty::query::config::QueryAccessors<'tcx> for rustc::ty::query::queries::evaluate_obligation<'tcx>>::compute
  31: rustc::dep_graph::graph::DepGraph::with_task_impl                                                 
  32: rustc::ty::context::tls::with_related_context                                                     
  33: rustc::ty::query::plumbing::<impl rustc::ty::context::TyCtxt<'a, 'gcx, 'tcx>>::force_query_with_job
  34: rustc::ty::query::plumbing::<impl rustc::ty::context::TyCtxt<'a, 'gcx, 'tcx>>::get_query          
  35: rustc::traits::query::evaluate_obligation::<impl rustc::infer::InferCtxt<'cx, 'gcx, 'tcx>>::evaluate_obligation
  36: rustc::ty::context::tls::with_context::{{closure}}                                                
             at librustdoc/clean/blanket_impl.rs:110                                                    
             at librustc/infer/mod.rs:526                                                               
             at librustc/ty/context.rs:1670                                                             
             at librustc/ty/context.rs:2016                                                             
             at librustc/ty/context.rs:1955                                                             
             at librustc/ty/context.rs:2015                                                             
             at librustc/ty/context.rs:1669                                                             
             at librustc/ty/context.rs:2116                                                             
             at librustc/ty/context.rs:2100                                                             
  37: rustc::ty::context::GlobalCtxt::enter_local                                                       
             at librustc/ty/context.rs:2091                                                             
             at librustc/ty/context.rs:2100                                                             
             at librustc/ty/context.rs:2111                                                             
             at librustc/ty/context.rs:1662                                                             
  38: rustdoc::clean::blanket_impl::BlanketImplFinder::get_blanket_impls::{{closure}}                   
             at librustc/infer/mod.rs:525                                                               
             at librustdoc/clean/blanket_impl.rs:80                                                     
  39: rustc::ty::trait_def::<impl rustc::ty::context::TyCtxt<'a, 'gcx, 'tcx>>::for_each_relevant_impl   
             at librustc/ty/trait_def.rs:106                                                            
  40: rustdoc::clean::blanket_impl::BlanketImplFinder::get_blanket_impls                                
             at librustdoc/clean/blanket_impl.rs:79                                                     
  41: rustdoc::clean::def_ctor::get_def_from_node_id                                                    
             at librustdoc/clean/blanket_impl.rs:42                                                     
             at librustdoc/clean/def_ctor.rs:59                                                         
  42: <rustdoc::passes::collect_trait_impls::SyntheticImplCollector<'a, 'tcx, 'rcx, 'cstore> as rustdoc::fold::DocFolder>::fold_item
             at librustdoc/clean/blanket_impl.rs:40                                                     
             at librustdoc/clean/mod.rs:3364                                                            
             at librustdoc/passes/collect_trait_impls.rs:171                                            
  43: <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T, I>>::from_iter                                   
             at librustdoc/fold.rs:61                                                                   
             at libcore/iter/mod.rs:1640                                                                
             at liballoc/vec.rs:1908                                                                    
             at liballoc/vec.rs:1805                                                                    
             at liballoc/vec.rs:1800                                                                    
  44: <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T, I>>::from_iter                                   
  45: rustdoc::fold::DocFolder::fold_inner_recur                                                        
             at liballoc/vec.rs:1700                                                                    
             at libcore/iter/iterator.rs:1476                                                           
             at librustdoc/fold.rs:110                                                                  
             at librustdoc/fold.rs:37                                                                   
  46: <rustdoc::passes::collect_trait_impls::SyntheticImplCollector<'a, 'tcx, 'rcx, 'cstore> as rustdoc::fold::DocFolder>::fold_item
             at librustdoc/fold.rs:100                                                                  
             at librustdoc/passes/collect_trait_impls.rs:178                                            
  47: <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T, I>>::from_iter                                   
             at librustdoc/fold.rs:61                                                                   
             at libcore/iter/mod.rs:1640                                                                
             at liballoc/vec.rs:1908                                                                    
             at liballoc/vec.rs:1805                                                                    
             at liballoc/vec.rs:1800                                                                    
  48: <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T, I>>::from_iter                                   
  49: rustdoc::fold::DocFolder::fold_inner_recur                                                        
             at liballoc/vec.rs:1700                                                                    
             at libcore/iter/iterator.rs:1476                                                           
             at librustdoc/fold.rs:110                                                                  
             at librustdoc/fold.rs:37                                                                   
  50: <rustdoc::passes::collect_trait_impls::SyntheticImplCollector<'a, 'tcx, 'rcx, 'cstore> as rustdoc::fold::DocFolder>::fold_item
             at librustdoc/fold.rs:100                                                                  
             at librustdoc/passes/collect_trait_impls.rs:178                                            
  51: <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T, I>>::from_iter                                   
             at librustdoc/fold.rs:61                                                                   
             at libcore/iter/mod.rs:1640                                                                
             at liballoc/vec.rs:1908                                                                    
             at liballoc/vec.rs:1805                                                                    
             at liballoc/vec.rs:1800                                                                    
  52: <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T, I>>::from_iter                                   
  53: rustdoc::fold::DocFolder::fold_inner_recur                                                        
             at liballoc/vec.rs:1700                                                                    
             at libcore/iter/iterator.rs:1476                                                           
             at librustdoc/fold.rs:110                                                                  
             at librustdoc/fold.rs:37                                                                   
  54: <rustdoc::passes::collect_trait_impls::SyntheticImplCollector<'a, 'tcx, 'rcx, 'cstore> as rustdoc::fold::DocFolder>::fold_item
             at librustdoc/fold.rs:100                                                                  
             at librustdoc/passes/collect_trait_impls.rs:178                                            
  55: <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T, I>>::from_iter                                   
             at librustdoc/fold.rs:61                                                                   
             at libcore/iter/mod.rs:1640                                                                
             at liballoc/vec.rs:1908                                                                    
             at liballoc/vec.rs:1805                                                                    
             at liballoc/vec.rs:1800                                                                    
  56: <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T, I>>::from_iter                                   
  57: rustdoc::fold::DocFolder::fold_inner_recur                                                        
             at liballoc/vec.rs:1700                                                                    
             at libcore/iter/iterator.rs:1476                                                           
             at librustdoc/fold.rs:110                                                                  
             at librustdoc/fold.rs:37                                                                   
  58: <rustdoc::passes::collect_trait_impls::SyntheticImplCollector<'a, 'tcx, 'rcx, 'cstore> as rustdoc::fold::DocFolder>::fold_item
             at librustdoc/fold.rs:100                                                                  
             at librustdoc/passes/collect_trait_impls.rs:178                                            
  59: rustdoc::passes::collect_trait_impls::collect_trait_impls                                         
             at librustdoc/fold.rs:115                                                                  
             at libcore/option.rs:632                                                                   
             at librustdoc/fold.rs:115                                                                  
             at librustdoc/passes/collect_trait_impls.rs:26                                             
  60: rustdoc::core::run_core::{{closure}}::{{closure}}                                                 
             at librustdoc/core.rs:614                                                                  
  61: rustc::ty::context::tls::enter_context                                                            
             at librustc_driver/driver.rs:1353                                                          
             at librustc/ty/context.rs:2048                                                             
             at librustc/ty/context.rs:2016                                                             
             at librustc/ty/context.rs:1955                                                             
             at librustc/ty/context.rs:2015                                                             
  62: <std::thread::local::LocalKey<T>>::with                                                           
             at librustc/ty/context.rs:2047                                                             
             at librustc/ty/context.rs:2005                                                             
             at libstd/thread/local.rs:300                                                              
             at libstd/thread/local.rs:254                                                              
             at librustc/ty/context.rs:1997                                                             
             at libstd/thread/local.rs:300                                                              
             at libstd/thread/local.rs:254                                                              
  63: rustc::ty::context::TyCtxt::create_and_enter                                                      
             at librustc/ty/context.rs:1989                                                             
             at librustc/ty/context.rs:2027                                                             
             at librustc/ty/context.rs:1243                                                             
  64: rustc_driver::driver::phase_3_run_analysis_passes                                                 
             at librustc_driver/driver.rs:1261                                                          
  65: <scoped_tls::ScopedKey<T>>::set                                                                   
             at librustdoc/core.rs:496                                                                  
             at librustc_driver/driver.rs:76                                                            
             at /cargo/registry/src/github.com-1ecc6299db9ec823/scoped-tls-0.1.2/src/lib.rs:155         
  66: rustdoc::core::run_core                                                                           
             at librustc_driver/driver.rs:75                                                            
             at librustdoc/core.rs:405                                                                  
  67: <scoped_tls::ScopedKey<T>>::set                                                                   
             at librustdoc/lib.rs:720                                                                   
             at /cargo/registry/src/github.com-1ecc6299db9ec823/scoped-tls-0.1.2/src/lib.rs:155         
             at libsyntax/lib.rs:106                                                                    
             at /cargo/registry/src/github.com-1ecc6299db9ec823/scoped-tls-0.1.2/src/lib.rs:155         
  68: syntax::with_globals                                                                              
             at libsyntax/lib.rs:105                                                                    
  69: <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once                   
             at librustdoc/lib.rs:716                                                                   
             at librustc_driver/lib.rs:1632                                                             
             at libstd/panic.rs:313                                                                     
  70: std::panicking::try::do_call                                                                      
             at libstd/panicking.rs:310                                                                 
  71: __rust_maybe_catch_panic                                                                          
             at libpanic_unwind/lib.rs:102                                                              
  72: rustc_driver::monitor                                                                             
             at libstd/panicking.rs:289                                                                 
             at libstd/panic.rs:392                                                                     
             at librustc_driver/lib.rs:1546                                                             
             at librustc_driver/lib.rs:1557                                                             
             at librustc_driver/lib.rs:1631                                                             
  73: rustdoc::rust_input                                                                               
             at librustdoc/lib.rs:716                                                                   
  74: rustdoc::main_args                                                                                
             at librustdoc/lib.rs:613                                                                   
             at librustdoc/lib.rs:568                                                                   
  75: <scoped_tls::ScopedKey<T>>::set                                                                   
             at librustdoc/lib.rs:115                                                                   
             at libcore/option.rs:424                                                                   
             at librustdoc/lib.rs:115                                                                   
             at /cargo/registry/src/github.com-1ecc6299db9ec823/scoped-tls-0.1.2/src/lib.rs:155         
             at libsyntax/lib.rs:106                                                                    
             at /cargo/registry/src/github.com-1ecc6299db9ec823/scoped-tls-0.1.2/src/lib.rs:155         
  76: syntax::with_globals                                                                              
             at libsyntax/lib.rs:105                                                                    
  77: std::panicking::try::do_call                                                                      
             at libstd/thread/mod.rs:409                                                                
             at libstd/panic.rs:313                                                                     
             at libstd/panicking.rs:310                                                                 
  78: __rust_maybe_catch_panic                                                                          
             at libpanic_unwind/lib.rs:102                                                              
  79: <F as alloc::boxed::FnBox<A>>::call_box                                                           
             at libstd/panicking.rs:289                                                                 
             at libstd/panic.rs:392                                                                     
             at libstd/thread/mod.rs:408                                                                
             at liballoc/boxed.rs:672                                                                   
  80: std::sys_common::thread::start_thread                                                             
             at liballoc/boxed.rs:682                                                                   
             at libstd/sys_common/thread.rs:24                                                          
  81: std::sys::unix::thread::Thread::new::thread_start                                                 
             at libstd/sys/unix/thread.rs:90                                                            
  82: start_thread                                                                                      
  83: __clone

@Aaron1011 Aaron1011 added the T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue. label Oct 28, 2018
@Aaron1011
Copy link
Member

@jesskfullwood That issue appears to be fixed as of rustdoc 1.31.0-nightly (cae6efc37 2018-10-27)

@jesskfullwood
Copy link

It seems so. Fixed by #55258? Thanks!

@memoryruins memoryruins mentioned this issue Oct 29, 2018
Closed
@editicalu
Copy link
Author

I don't see the issue anymore. I'll close the issue.

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Assignees
No one assigned
Labels
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.
Projects
None yet
Milestone
No milestone
Development

No branches or pull requests
6 participants
@waywardmonkeys @frol @Centril @Aaron1011 @editicalu @jesskfullwood