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Incremental compilation ICE: Found unstable fingerprints for predicates_of(dicom_core[4803]::value::DicomValueType) #88420

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Enet4 opened this issue Aug 28, 2021 · 1 comment
Open

Incremental compilation ICE: Found unstable fingerprints for predicates_of(dicom_core[4803]::value::DicomValueType) #88420

Enet4 opened this issue Aug 28, 2021 · 1 comment
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A-incr-comp Area: Incremental compilation 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.

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@Enet4
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Enet4 commented Aug 28, 2021 •
edited
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I triggered ICE through incremental compilation (tracker issue #84970) while working on DICOM-rs. This could be a similar problem to #88318. Unlike what was reported in #84341, predicates_of was called on a trait in the same workspace.

Code

I was unable to reproduce this a second time in a fresh working space. When the ICE occurred, I saved the state of the project in this branch. Then I tried to recall all the steps I had done since the previous revision, around this order:

  1. Deprecate dicom_encoding::text::DynamicTextCodec
  2. Deprecate dicom_encoding::text::SpecificCharacterSet::codec
  3. Add an impl TextCodec for SpecificCharacterSet, methods implemented by matching on self and picking the right text codec type.
  4. Add associated const SpecificCharacterSet::GB18030 = SpecificCharacterSet::Gb18030
  5. Rename the enum variant GB18030 to Gb18030, update the name in the rest of the module
  6. Remove the associated const (I had changed my mind regarding its usefulness)
  7. Remove uses of .codec() in dicom_encoding::text::tests

But tracing these steps again did not trigger any ICE. Rust-analyzer was running, which suddenly started failing all checking requests. The ICE only occurs on cargo check.

Meta

Latest stable. cargo +beta check yielded no ICE, but it could just be the consequence of checking the code from scratch.

rustc --version --verbose:

rustc 1.54.0 (a178d0322 2021-07-26)
binary: rustc
commit-hash: a178d0322ce20e33eac124758e837cbd80a6f633
commit-date: 2021-07-26
host: x86_64-unknown-linux-gnu
release: 1.54.0
LLVM version: 12.0.1

Error output

    Checking dicom-parser v0.4.0 (/home/enet4/dev/dicom-rs/parser)
warning: use of deprecated associated function `dicom_encoding::text::SpecificCharacterSet::codec`: this value is a codec in itself
   --> ul/src/pdu/reader.rs:129:10
    |
129 |         .codec()
    |          ^^^^^
    |
    = note: `#[warn(deprecated)]` on by default

warning: 1 warning emitted

warning: use of deprecated type alias `dicom_encoding::text::DynamicTextCodec`: Use `SpecificCharacterSet` instead
  --> parser/src/stateful/decode.rs:12:70
   |
12 |     validate_da, validate_dt, validate_tm, DefaultCharacterSetCodec, DynamicTextCodec,
   |                                                                      ^^^^^^^^^^^^^^^^
   |
   = note: `#[warn(deprecated)]` on by default

warning: use of deprecated type alias `dicom_encoding::text::DynamicTextCodec`: Use `SpecificCharacterSet` instead
   --> parser/src/stateful/decode.rs:746:42
    |
746 | impl<S, D, BD> StatefulDecoder<D, S, BD, DynamicTextCodec>
    |                                          ^^^^^^^^^^^^^^^^

warning: use of deprecated type alias `dicom_encoding::text::DynamicTextCodec`: Use `SpecificCharacterSet` instead
   --> parser/src/stateful/decode.rs:844:61
    |
844 | impl<D, S, BD> StatefulDecode for StatefulDecoder<D, S, BD, DynamicTextCodec>
    |                                                             ^^^^^^^^^^^^^^^^

warning: use of deprecated type alias `dicom_encoding::text::DynamicTextCodec`: Use `SpecificCharacterSet` instead
   --> parser/src/stateful/decode.rs:221:58
    |
221 | pub struct StatefulDecoder<D, S, BD = BasicDecoder, TC = DynamicTextCodec> {
    |                                                          ^^^^^^^^^^^^^^^^

error: internal compiler error: encountered incremental compilation error with predicates_of(dicom_core[4803]::value::DicomValueType)
  |
  = help: This is a known issue with the compiler. Run `cargo clean -p dicom_parser` or `cargo clean` to allow your project to compile
  = note: Please follow the instructions below to create a bug report with the provided information
  = note: See <https://github.com/rust-lang/rust/issues/84970> for more information

thread 'rustc' panicked at 'Found unstable fingerprints for predicates_of(dicom_core[4803]::value::DicomValueType): GenericPredicates { parent: None, predicates: [(Binder(TraitPredicate(<Self as dicom_core::header::HasLength>), []), /home/enet4/dev/dicom-rs/core/src/value/mod.rs:24:27: 24:36 (#0)), (Binder(TraitPredicate(<Self as dicom_core::value::DicomValueType>), []), /home/enet4/dev/dicom-rs/core/src/value/mod.rs:24:1: 35:2 (#0))] }', /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/compiler/rustc_query_system/src/query/plumbing.rs:620:9
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

error: internal compiler error: unexpected panic

note: 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 1.54.0 (a178d0322 2021-07-26) running on x86_64-unknown-linux-gnu

note: compiler flags: -C embed-bitcode=no -C debuginfo=2 -C incremental --crate-type lib

note: some of the compiler flags provided by cargo are hidden

query stack during panic:
#0 [predicates_of] computing predicates of `dicom_core::value::DicomValueType`
#1 [typeck] type-checking `dataset::<impl at parser/src/dataset/mod.rs:59:1: 66:2>::fmt`
end of query stack
error: aborting due to previous error; 4 warnings emitted

error: could not compile `dicom-parser`
Backtrace 

thread 'rustc' panicked at 'Found unstable fingerprints for predicates_of(dicom_core[4803]::value::DicomValueType): GenericPredicates { parent: None, predicates: [(Binder(TraitPredicate(<Self as dicom_core::header::HasLength>), []), /home/enet4/dev/dicom-rs/core/src/value/mod.rs:24:27: 24:36 (#0)), (Binder(TraitPredicate(<Self as dicom_core::value::DicomValueType>), []), /home/enet4/dev/dicom-rs/core/src/value/mod.rs:24:1: 35:2 (#0))] }', /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/compiler/rustc_query_system/src/query/plumbing.rs:620:9
stack backtrace:
   0: rust_begin_unwind
             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
   1: std::panicking::begin_panic_fmt
             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:457:5
   2: rustc_query_system::query::plumbing::incremental_verify_ich
   3: rustc_query_system::query::plumbing::load_from_disk_and_cache_in_memory
   4: rustc_query_system::query::plumbing::get_query_impl
   5: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::predicates_of
   6: rustc_middle::ty::generics::GenericPredicates::instantiate_into
   7: rustc_middle::ty::generics::GenericPredicates::instantiate
   8: rustc_typeck::check::method::confirm::ConfirmContext::confirm
   9: rustc_typeck::check::method::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::lookup_method
  10: rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_kind
  11: rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_with_expectation
  12: rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_kind
  13: rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_with_expectation
  14: <smallvec::SmallVec<A> as core::iter::traits::collect::Extend<<A as smallvec::Array>::Item>>::extend
  15: <T as rustc_middle::ty::context::InternIteratorElement<T,R>>::intern_with
  16: rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_kind
  17: rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_with_expectation
  18: rustc_typeck::check::_match::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::demand_scrutinee_type
  19: rustc_typeck::check::_match::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_match
  20: rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_kind
  21: rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_with_expectation
  22: rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_kind
  23: rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_with_expectation
  24: rustc_typeck::check::fn_ctxt::checks::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_argument_types
  25: rustc_typeck::check::callee::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::confirm_builtin_call
  26: rustc_typeck::check::callee::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_call
  27: rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_kind
  28: rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_with_expectation
  29: rustc_typeck::check::fn_ctxt::checks::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_argument_types
  30: rustc_typeck::check::fn_ctxt::checks::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_method_argument_types
  31: rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_kind
  32: rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_with_expectation
  33: rustc_typeck::check::_match::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_match
  34: rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_kind
  35: rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_with_expectation
  36: rustc_typeck::check::fn_ctxt::checks::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_block_with_expected
  37: rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_with_expectation
  38: rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_return_expr
  39: rustc_typeck::check::check::check_fn
  40: rustc_typeck::check::inherited::InheritedBuilder::enter
  41: rustc_typeck::check::typeck
  42: rustc_query_system::dep_graph::graph::DepGraph<K>::with_task_impl
  43: rustc_data_structures::stack::ensure_sufficient_stack
  44: rustc_query_system::query::plumbing::force_query_with_job
  45: rustc_query_system::query::plumbing::get_query_impl
  46: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::typeck
  47: rustc_middle::ty::<impl rustc_middle::ty::context::TyCtxt>::par_body_owners
  48: rustc_typeck::check::typeck_item_bodies
  49: rustc_query_system::dep_graph::graph::DepGraph<K>::with_task_impl
  50: rustc_data_structures::stack::ensure_sufficient_stack
  51: rustc_query_system::query::plumbing::force_query_with_job
  52: rustc_query_system::query::plumbing::get_query_impl
  53: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::typeck_item_bodies
  54: rustc_session::utils::<impl rustc_session::session::Session>::time
  55: rustc_typeck::check_crate
  56: rustc_interface::passes::analysis
  57: rustc_middle::dep_graph::<impl rustc_query_system::dep_graph::DepKind for rustc_middle::dep_graph::dep_node::DepKind>::with_deps
  58: rustc_query_system::dep_graph::graph::DepGraph<K>::with_task_impl
  59: rustc_query_system::dep_graph::graph::DepGraph<K>::with_eval_always_task
  60: rustc_data_structures::stack::ensure_sufficient_stack
  61: rustc_query_system::query::plumbing::force_query_with_job
  62: rustc_query_system::query::plumbing::get_query_impl
  63: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::analysis
  64: rustc_interface::queries::<impl rustc_interface::interface::Compiler>::enter
  65: rustc_span::with_source_map
  66: rustc_interface::interface::create_compiler_and_run
  67: scoped_tls::ScopedKey<T>::set

Backtrace from rust-analyzer 

thread '<unnamed>' panicked at 'index out of bounds: the len is 1 but the index is 1', /home/runner/.cargo/registry/src/github.com-1ecc6299db9ec823/chalk-ir-0.70.0/src/lib.rs:2752:10
stack backtrace:
   0: rust_begin_unwind
             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
   1: core::panicking::panic_fmt
             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:92:14
   2: core::panicking::panic_bounds_check
             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:69:5
   3: <&chalk_ir::SubstFolder<I,A> as chalk_ir::fold::Folder<I>>::fold_free_var_ty
   4: <chalk_ir::Ty<I> as chalk_ir::fold::SuperFold<I>>::super_fold_with
   5: <chalk_ir::Ty<I> as chalk_ir::fold::SuperFold<I>>::super_fold_with
   6: hir_ty::infer::coerce::<impl hir_ty::infer::InferenceContext>::coerce_inner
   7: hir_ty::infer::coerce::<impl hir_ty::infer::InferenceContext>::coerce
   8: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::check_call_arguments
   9: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_method_call
  10: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_inner
  11: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr
  12: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_method_call
  13: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_inner
  14: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_inner
  15: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr
  16: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_block
  17: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_inner
  18: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_coerce
  19: hir_ty::infer::infer_query
  20: salsa::runtime::Runtime::execute_query_implementation
  21: salsa::derived::slot::Slot<Q,MP>::read_upgrade
  22: salsa::derived::slot::Slot<Q,MP>::read
  23: <salsa::derived::DerivedStorage<Q,MP> as salsa::plumbing::QueryStorageOps<Q>>::try_fetch
  24: <DB as hir_ty::db::HirDatabase>::infer_query
  25: hir_ty::db::infer_wait
  26: hir::semantics::SemanticsImpl::analyze_impl
  27: hir::semantics::SemanticsImpl::scope
  28: ide::inlay_hints::inlay_hints
  29: std::panicking::try
  30: rust_analyzer::handlers::handle_inlay_hints
  31: rust_analyzer::dispatch::RequestDispatcher::on::{{closure}}::{{closure}}
  32: <F as threadpool::FnBox>::call_box

@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 28, 2021
@PaulGrandperrin
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PaulGrandperrin commented Aug 28, 2021 •
edited
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Got a seemingly similar ICE, here's the output:

Panic context:
> 
version: 996300f4a 2021-08-23 stable
request: textDocument/codeAction CodeActionParams {
    text_document: TextDocumentIdentifier {
        uri: Url {
            scheme: "file",
            cannot_be_a_base: false,
            username: "",
            password: None,
            host: None,
            port: None,
            path: "/home/paulg/Repositories/cachou/server/src/core/auth.rs",
            query: None,
            fragment: None,
        },
    },
    range: Range {
        start: Position {
            line: 0,
            character: 0,
        },
        end: Position {
            line: 0,
            character: 0,
        },
    },
    context: CodeActionContext {
        diagnostics: [],
        only: None,
    },
    work_done_progress_params: WorkDoneProgressParams {
        work_done_token: None,
    },
    partial_result_params: PartialResultParams {
        partial_result_token: None,
    },
}

thread '<unnamed>' panicked at 'index out of bounds: the len is 1 but the index is 1', /home/runner/.cargo/registry/src/github.com-1ecc6299db9ec823/chalk-ir-0.70.0/src/lib.rs:2752:10
stack backtrace:
   0: rust_begin_unwind
             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
   1: core::panicking::panic_fmt
             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:92:14
   2: core::panicking::panic_bounds_check
             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:69:5
   3: <&chalk_ir::SubstFolder<I,A> as chalk_ir::fold::Folder<I>>::fold_free_var_ty
   4: <chalk_ir::Ty<I> as chalk_ir::fold::SuperFold<I>>::super_fold_with
   5: chalk_ir::fold::boring_impls::<impl chalk_ir::fold::Fold<I> for chalk_ir::GenericArg<I>>::fold_with
   6: <smallvec::SmallVec<A> as core::iter::traits::collect::Extend<<A as smallvec::Array>::Item>>::extend
   7: chalk_ir::fold::boring_impls::<impl chalk_ir::fold::Fold<I> for chalk_ir::Substitution<I>>::fold_with
   8: <chalk_ir::Ty<I> as chalk_ir::fold::SuperFold<I>>::super_fold_with
   9: hir_ty::infer::coerce::<impl hir_ty::infer::InferenceContext>::coerce_inner
  10: hir_ty::infer::coerce::<impl hir_ty::infer::InferenceContext>::coerce
  11: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::check_call_arguments
  12: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_inner
  13: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_inner
  14: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_coerce
  15: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_block
  16: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_inner
  17: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_coerce
  18: hir_ty::infer::infer_query
  19: salsa::runtime::Runtime::execute_query_implementation
  20: salsa::derived::slot::Slot<Q,MP>::read_upgrade
  21: salsa::derived::slot::Slot<Q,MP>::read
  22: <salsa::derived::DerivedStorage<Q,MP> as salsa::plumbing::QueryStorageOps<Q>>::try_fetch
  23: <DB as hir_ty::db::HirDatabase>::infer_query
  24: hir_ty::db::infer_wait
  25: hir::Function::diagnostics
  26: hir::Module::diagnostics
  27: ide_diagnostics::diagnostics
  28: ide::Analysis::assists_with_fixes::{{closure}}
  29: std::panicking::try
  30: rust_analyzer::handlers::handle_code_action
  31: rust_analyzer::dispatch::RequestDispatcher::on::{{closure}}::{{closure}}
  32: <F as threadpool::FnBox>::call_box
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
Panic context:
> 
version: 996300f4a 2021-08-23 stable
request: textDocument/codeAction CodeActionParams {
    text_document: TextDocumentIdentifier {
        uri: Url {
            scheme: "file",
            cannot_be_a_base: false,
            username: "",
            password: None,
            host: None,
            port: None,
            path: "/home/paulg/Repositories/cachou/server/src/core/auth.rs",
            query: None,
            fragment: None,
        },
    },
    range: Range {
        start: Position {
            line: 20,
            character: 8,
        },
        end: Position {
            line: 20,
            character: 8,
        },
    },
    context: CodeActionContext {
        diagnostics: [],
        only: None,
    },
    work_done_progress_params: WorkDoneProgressParams {
        work_done_token: None,
    },
    partial_result_params: PartialResultParams {
        partial_result_token: None,
    },
}

thread '<unnamed>' panicked at 'index out of bounds: the len is 1 but the index is 1', /home/runner/.cargo/registry/src/github.com-1ecc6299db9ec823/chalk-ir-0.70.0/src/lib.rs:2752:10
stack backtrace:
   0: rust_begin_unwind
             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
   1: core::panicking::panic_fmt
             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:92:14
   2: core::panicking::panic_bounds_check
             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:69:5
   3: <&chalk_ir::SubstFolder<I,A> as chalk_ir::fold::Folder<I>>::fold_free_var_ty
   4: <chalk_ir::Ty<I> as chalk_ir::fold::SuperFold<I>>::super_fold_with
   5: chalk_ir::fold::boring_impls::<impl chalk_ir::fold::Fold<I> for chalk_ir::GenericArg<I>>::fold_with
   6: <smallvec::SmallVec<A> as core::iter::traits::collect::Extend<<A as smallvec::Array>::Item>>::extend
   7: chalk_ir::fold::boring_impls::<impl chalk_ir::fold::Fold<I> for chalk_ir::Substitution<I>>::fold_with
   8: <chalk_ir::Ty<I> as chalk_ir::fold::SuperFold<I>>::super_fold_with
   9: hir_ty::infer::coerce::<impl hir_ty::infer::InferenceContext>::coerce_inner
  10: hir_ty::infer::coerce::<impl hir_ty::infer::InferenceContext>::coerce
  11: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::check_call_arguments
  12: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_inner
  13: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_inner
  14: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_coerce
  15: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_block
  16: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_inner
  17: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_coerce
  18: hir_ty::infer::infer_query
  19: salsa::runtime::Runtime::execute_query_implementation
  20: salsa::derived::slot::Slot<Q,MP>::read_upgrade
  21: salsa::derived::slot::Slot<Q,MP>::read
  22: <salsa::derived::DerivedStorage<Q,MP> as salsa::plumbing::QueryStorageOps<Q>>::try_fetch
  23: <DB as hir_ty::db::HirDatabase>::infer_query
  24: hir_ty::db::infer_wait
  25: hir::Function::diagnostics
  26: hir::Module::diagnostics
  27: ide_diagnostics::diagnostics
  28: ide::Analysis::assists_with_fixes::{{closure}}
  29: std::panicking::try
  30: rust_analyzer::handlers::handle_code_action
  31: rust_analyzer::dispatch::RequestDispatcher::on::{{closure}}::{{closure}}
  32: <F as threadpool::FnBox>::call_box
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
Panic context:
> 
version: 996300f4a 2021-08-23 stable
request: textDocument/semanticTokens/range SemanticTokensRangeParams {
    work_done_progress_params: WorkDoneProgressParams {
        work_done_token: None,
    },
    partial_result_params: PartialResultParams {
        partial_result_token: None,
    },
    text_document: TextDocumentIdentifier {
        uri: Url {
            scheme: "file",
            cannot_be_a_base: false,
            username: "",
            password: None,
            host: None,
            port: None,
            path: "/home/paulg/Repositories/cachou/server/src/core/auth.rs",
            query: None,
            fragment: None,
        },
    },
    range: Range {
        start: Position {
            line: 0,
            character: 0,
        },
        end: Position {
            line: 111,
            character: 0,
        },
    },
}

thread '<unnamed>' panicked at 'index out of bounds: the len is 1 but the index is 1', /home/runner/.cargo/registry/src/github.com-1ecc6299db9ec823/chalk-ir-0.70.0/src/lib.rs:2752:10
stack backtrace:
   0: rust_begin_unwind
             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
   1: core::panicking::panic_fmt
             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:92:14
   2: core::panicking::panic_bounds_check
             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:69:5
   3: <&chalk_ir::SubstFolder<I,A> as chalk_ir::fold::Folder<I>>::fold_free_var_ty
   4: <chalk_ir::Ty<I> as chalk_ir::fold::SuperFold<I>>::super_fold_with
   5: chalk_ir::fold::boring_impls::<impl chalk_ir::fold::Fold<I> for chalk_ir::GenericArg<I>>::fold_with
   6: <smallvec::SmallVec<A> as core::iter::traits::collect::Extend<<A as smallvec::Array>::Item>>::extend
   7: chalk_ir::fold::boring_impls::<impl chalk_ir::fold::Fold<I> for chalk_ir::Substitution<I>>::fold_with
   8: <chalk_ir::Ty<I> as chalk_ir::fold::SuperFold<I>>::super_fold_with
   9: hir_ty::infer::coerce::<impl hir_ty::infer::InferenceContext>::coerce_inner
  10: hir_ty::infer::coerce::<impl hir_ty::infer::InferenceContext>::coerce
  11: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::check_call_arguments
  12: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_inner
  13: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_inner
  14: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_coerce
  15: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_block
  16: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_inner
  17: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_coerce
  18: hir_ty::infer::infer_query
  19: salsa::runtime::Runtime::execute_query_implementation
  20: salsa::derived::slot::Slot<Q,MP>::read_upgrade
  21: salsa::derived::slot::Slot<Q,MP>::read
  22: <salsa::derived::DerivedStorage<Q,MP> as salsa::plumbing::QueryStorageOps<Q>>::try_fetch
  23: <DB as hir_ty::db::HirDatabase>::infer_query
  24: hir_ty::db::infer_wait
  25: hir::Local::ty
  26: ide::syntax_highlighting::highlight::highlight_def
  27: ide::syntax_highlighting::highlight::element
  28: ide::syntax_highlighting::traverse
  29: ide::syntax_highlighting::highlight
  30: std::panicking::try
  31: rust_analyzer::handlers::handle_semantic_tokens_range
  32: rust_analyzer::dispatch::RequestDispatcher::on::{{closure}}::{{closure}}
  33: <F as threadpool::FnBox>::call_box
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
[Error - 3:56:00 PM] Request textDocument/semanticTokens/range failed.
  Message: server panicked: index out of bounds: the len is 1 but the index is 1
  Code: -32603 
Panic context:
> 
version: 996300f4a 2021-08-23 stable
request: textDocument/codeAction CodeActionParams {
    text_document: TextDocumentIdentifier {
        uri: Url {
            scheme: "file",
            cannot_be_a_base: false,
            username: "",
            password: None,
            host: None,
            port: None,
            path: "/home/paulg/Repositories/cachou/server/src/core/auth.rs",
            query: None,
            fragment: None,
        },
    },
    range: Range {
        start: Position {
            line: 35,
            character: 69,
        },
        end: Position {
            line: 35,
            character: 69,
        },
    },
    context: CodeActionContext {
        diagnostics: [],
        only: None,
    },
    work_done_progress_params: WorkDoneProgressParams {
        work_done_token: None,
    },
    partial_result_params: PartialResultParams {
        partial_result_token: None,
    },
}

thread '<unnamed>' panicked at 'index out of bounds: the len is 1 but the index is 1', /home/runner/.cargo/registry/src/github.com-1ecc6299db9ec823/chalk-ir-0.70.0/src/lib.rs:2752:10
stack backtrace:
   0: rust_begin_unwind
             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
   1: core::panicking::panic_fmt
             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:92:14
   2: core::panicking::panic_bounds_check
             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:69:5
   3: <&chalk_ir::SubstFolder<I,A> as chalk_ir::fold::Folder<I>>::fold_free_var_ty
   4: <chalk_ir::Ty<I> as chalk_ir::fold::SuperFold<I>>::super_fold_with
   5: chalk_ir::fold::boring_impls::<impl chalk_ir::fold::Fold<I> for chalk_ir::GenericArg<I>>::fold_with
   6: <smallvec::SmallVec<A> as core::iter::traits::collect::Extend<<A as smallvec::Array>::Item>>::extend
   7: chalk_ir::fold::boring_impls::<impl chalk_ir::fold::Fold<I> for chalk_ir::Substitution<I>>::fold_with
   8: <chalk_ir::Ty<I> as chalk_ir::fold::SuperFold<I>>::super_fold_with
   9: hir_ty::infer::coerce::<impl hir_ty::infer::InferenceContext>::coerce_inner
  10: hir_ty::infer::coerce::<impl hir_ty::infer::InferenceContext>::coerce
  11: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::check_call_arguments
  12: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_inner
  13: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_inner
  14: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_coerce
  15: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_block
  16: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_inner
  17: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_coerce
  18: hir_ty::infer::infer_query
  19: salsa::runtime::Runtime::execute_query_implementation
  20: salsa::derived::slot::Slot<Q,MP>::read_upgrade
  21: salsa::derived::slot::Slot<Q,MP>::read
  22: <salsa::derived::DerivedStorage<Q,MP> as salsa::plumbing::QueryStorageOps<Q>>::try_fetch
  23: <DB as hir_ty::db::HirDatabase>::infer_query
  24: hir_ty::db::infer_wait
  25: hir::Function::diagnostics
  26: hir::Module::diagnostics
  27: ide_diagnostics::diagnostics
  28: ide::Analysis::assists_with_fixes::{{closure}}
  29: std::panicking::try
  30: rust_analyzer::handlers::handle_code_action
  31: rust_analyzer::dispatch::RequestDispatcher::on::{{closure}}::{{closure}}
  32: <F as threadpool::FnBox>::call_box
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
Panic context:
> 
version: 996300f4a 2021-08-23 stable
request: textDocument/codeAction CodeActionParams {
    text_document: TextDocumentIdentifier {
        uri: Url {
            scheme: "file",
            cannot_be_a_base: false,
            username: "",
            password: None,
            host: None,
            port: None,
            path: "/home/paulg/Repositories/cachou/server/src/core/auth.rs",
            query: None,
            fragment: None,
        },
    },
    range: Range {
        start: Position {
            line: 33,
            character: 51,
        },
        end: Position {
            line: 33,
            character: 51,
        },
    },
    context: CodeActionContext {
        diagnostics: [],
        only: None,
    },
    work_done_progress_params: WorkDoneProgressParams {
        work_done_token: None,
    },
    partial_result_params: PartialResultParams {
        partial_result_token: None,
    },
}

thread '<unnamed>' panicked at 'index out of bounds: the len is 1 but the index is 1', /home/runner/.cargo/registry/src/github.com-1ecc6299db9ec823/chalk-ir-0.70.0/src/lib.rs:2752:10
stack backtrace:
   0: rust_begin_unwind
             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
   1: core::panicking::panic_fmt
             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:92:14
   2: core::panicking::panic_bounds_check
             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:69:5
   3: <&chalk_ir::SubstFolder<I,A> as chalk_ir::fold::Folder<I>>::fold_free_var_ty
   4: <chalk_ir::Ty<I> as chalk_ir::fold::SuperFold<I>>::super_fold_with
   5: chalk_ir::fold::boring_impls::<impl chalk_ir::fold::Fold<I> for chalk_ir::GenericArg<I>>::fold_with
   6: <smallvec::SmallVec<A> as core::iter::traits::collect::Extend<<A as smallvec::Array>::Item>>::extend
   7: chalk_ir::fold::boring_impls::<impl chalk_ir::fold::Fold<I> for chalk_ir::Substitution<I>>::fold_with
   8: <chalk_ir::Ty<I> as chalk_ir::fold::SuperFold<I>>::super_fold_with
   9: hir_ty::infer::coerce::<impl hir_ty::infer::InferenceContext>::coerce_inner
  10: hir_ty::infer::coerce::<impl hir_ty::infer::InferenceContext>::coerce
  11: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::check_call_arguments
  12: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_inner
  13: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_inner
  14: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_coerce
  15: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_block
  16: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_inner
  17: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_coerce
  18: hir_ty::infer::infer_query
  19: salsa::runtime::Runtime::execute_query_implementation
  20: salsa::derived::slot::Slot<Q,MP>::read_upgrade
  21: salsa::derived::slot::Slot<Q,MP>::read
  22: <salsa::derived::DerivedStorage<Q,MP> as salsa::plumbing::QueryStorageOps<Q>>::try_fetch
  23: <DB as hir_ty::db::HirDatabase>::infer_query
  24: hir_ty::db::infer_wait
  25: hir::Function::diagnostics
  26: hir::Module::diagnostics
  27: ide_diagnostics::diagnostics
  28: ide::Analysis::assists_with_fixes::{{closure}}
  29: std::panicking::try
  30: rust_analyzer::handlers::handle_code_action
  31: rust_analyzer::dispatch::RequestDispatcher::on::{{closure}}::{{closure}}
  32: <F as threadpool::FnBox>::call_box
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
Panic context:
> 
version: 996300f4a 2021-08-23 stable
request: textDocument/codeAction CodeActionParams {
    text_document: TextDocumentIdentifier {
        uri: Url {
            scheme: "file",
            cannot_be_a_base: false,
            username: "",
            password: None,
            host: None,
            port: None,
            path: "/home/paulg/Repositories/cachou/server/src/core/auth.rs",
            query: None,
            fragment: None,
        },
    },
    range: Range {
        start: Position {
            line: 44,
            character: 28,
        },
        end: Position {
            line: 44,
            character: 28,
        },
    },
    context: CodeActionContext {
        diagnostics: [],
        only: None,
    },
    work_done_progress_params: WorkDoneProgressParams {
        work_done_token: None,
    },
    partial_result_params: PartialResultParams {
        partial_result_token: None,
    },
}

thread '<unnamed>' panicked at 'index out of bounds: the len is 1 but the index is 1', /home/runner/.cargo/registry/src/github.com-1ecc6299db9ec823/chalk-ir-0.70.0/src/lib.rs:2752:10
stack backtrace:
   0: rust_begin_unwind
             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
   1: core::panicking::panic_fmt
             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:92:14
   2: core::panicking::panic_bounds_check
             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:69:5
   3: <&chalk_ir::SubstFolder<I,A> as chalk_ir::fold::Folder<I>>::fold_free_var_ty
   4: <chalk_ir::Ty<I> as chalk_ir::fold::SuperFold<I>>::super_fold_with
   5: chalk_ir::fold::boring_impls::<impl chalk_ir::fold::Fold<I> for chalk_ir::GenericArg<I>>::fold_with
   6: <smallvec::SmallVec<A> as core::iter::traits::collect::Extend<<A as smallvec::Array>::Item>>::extend
   7: chalk_ir::fold::boring_impls::<impl chalk_ir::fold::Fold<I> for chalk_ir::Substitution<I>>::fold_with
   8: <chalk_ir::Ty<I> as chalk_ir::fold::SuperFold<I>>::super_fold_with
   9: hir_ty::infer::coerce::<impl hir_ty::infer::InferenceContext>::coerce_inner
  10: hir_ty::infer::coerce::<impl hir_ty::infer::InferenceContext>::coerce
  11: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::check_call_arguments
  12: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_inner
  13: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_inner
  14: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_coerce
  15: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_block
  16: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_inner
  17: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_coerce
  18: hir_ty::infer::infer_query
  19: salsa::runtime::Runtime::execute_query_implementation
  20: salsa::derived::slot::Slot<Q,MP>::read_upgrade
  21: salsa::derived::slot::Slot<Q,MP>::read
  22: <salsa::derived::DerivedStorage<Q,MP> as salsa::plumbing::QueryStorageOps<Q>>::try_fetch
  23: <DB as hir_ty::db::HirDatabase>::infer_query
  24: hir_ty::db::infer_wait
  25: hir::Function::diagnostics
  26: hir::Module::diagnostics
  27: ide_diagnostics::diagnostics
  28: ide::Analysis::assists_with_fixes::{{closure}}
  29: std::panicking::try
  30: rust_analyzer::handlers::handle_code_action
  31: rust_analyzer::dispatch::RequestDispatcher::on::{{closure}}::{{closure}}
  32: <F as threadpool::FnBox>::call_box
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
thread '<unnamed>' panicked at 'index out of bounds: the len is 1 but the index is 1', /home/runner/.cargo/registry/src/github.com-1ecc6299db9ec823/chalk-ir-0.70.0/src/lib.rs:2752:10
stack backtrace:
   0: rust_begin_unwind
             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
   1: core::panicking::panic_fmt
             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:92:14
   2: core::panicking::panic_bounds_check
             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:69:5
   3: <&chalk_ir::SubstFolder<I,A> as chalk_ir::fold::Folder<I>>::fold_free_var_ty
   4: <chalk_ir::Ty<I> as chalk_ir::fold::SuperFold<I>>::super_fold_with
   5: chalk_ir::fold::boring_impls::<impl chalk_ir::fold::Fold<I> for chalk_ir::GenericArg<I>>::fold_with
   6: <smallvec::SmallVec<A> as core::iter::traits::collect::Extend<<A as smallvec::Array>::Item>>::extend
   7: chalk_ir::fold::boring_impls::<impl chalk_ir::fold::Fold<I> for chalk_ir::Substitution<I>>::fold_with
   8: <chalk_ir::Ty<I> as chalk_ir::fold::SuperFold<I>>::super_fold_with
   9: hir_ty::infer::coerce::<impl hir_ty::infer::InferenceContext>::coerce_inner
  10: hir_ty::infer::coerce::<impl hir_ty::infer::InferenceContext>::coerce
  11: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::check_call_arguments
  12: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_inner
  13: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_inner
  14: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_coerce
  15: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_block
  16: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_inner
  17: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_coerce
  18: hir_ty::infer::infer_query
  19: salsa::runtime::Runtime::execute_query_implementation
  20: salsa::derived::slot::Slot<Q,MP>::read_upgrade
  21: salsa::derived::slot::Slot<Q,MP>::read
  22: <salsa::derived::DerivedStorage<Q,MP> as salsa::plumbing::QueryStorageOps<Q>>::try_fetch
  23: <DB as hir_ty::db::HirDatabase>::infer_query
  24: hir_ty::db::infer_wait
  25: hir::Function::diagnostics
  26: hir::Module::diagnostics
  27: ide_diagnostics::diagnostics
  28: ide::Analysis::diagnostics
  29: rust_analyzer::handlers::publish_diagnostics
  30: core::ops::function::impls::<impl core::ops::function::FnMut<A> for &mut F>::call_mut
  31: alloc::vec::source_iter_marker::<impl alloc::vec::spec_from_iter::SpecFromIter<T,I> for alloc::vec::Vec<T>>::from_iter
  32: <F as threadpool::FnBox>::call_box
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
thread '<unnamed>' panicked at 'index out of bounds: the len is 1 but the index is 1', /home/runner/.cargo/registry/src/github.com-1ecc6299db9ec823/chalk-ir-0.70.0/src/lib.rs:2752:10
stack backtrace:
   0: rust_begin_unwind
             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
   1: core::panicking::panic_fmt
             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:92:14
   2: core::panicking::panic_bounds_check
             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:69:5
   3: <&chalk_ir::SubstFolder<I,A> as chalk_ir::fold::Folder<I>>::fold_free_var_ty
   4: <chalk_ir::Ty<I> as chalk_ir::fold::SuperFold<I>>::super_fold_with
   5: chalk_ir::fold::boring_impls::<impl chalk_ir::fold::Fold<I> for chalk_ir::GenericArg<I>>::fold_with
   6: <smallvec::SmallVec<A> as core::iter::traits::collect::Extend<<A as smallvec::Array>::Item>>::extend
   7: chalk_ir::fold::boring_impls::<impl chalk_ir::fold::Fold<I> for chalk_ir::Substitution<I>>::fold_with
   8: <chalk_ir::Ty<I> as chalk_ir::fold::SuperFold<I>>::super_fold_with
   9: hir_ty::infer::coerce::<impl hir_ty::infer::InferenceContext>::coerce_inner
  10: hir_ty::infer::coerce::<impl hir_ty::infer::InferenceContext>::coerce
  11: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::check_call_arguments
  12: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_inner
  13: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_inner
  14: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_coerce
  15: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_block
  16: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_inner
  17: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_coerce
  18: hir_ty::infer::infer_query
  19: salsa::runtime::Runtime::execute_query_implementation
  20: salsa::derived::slot::Slot<Q,MP>::read_upgrade
  21: salsa::derived::slot::Slot<Q,MP>::read
  22: <salsa::derived::DerivedStorage<Q,MP> as salsa::plumbing::QueryStorageOps<Q>>::try_fetch
  23: <DB as hir_ty::db::HirDatabase>::infer_query
  24: hir_ty::db::infer_wait
  25: hir::Function::diagnostics
  26: hir::Module::diagnostics
  27: ide_diagnostics::diagnostics
  28: ide::Analysis::diagnostics
  29: rust_analyzer::handlers::publish_diagnostics
  30: core::ops::function::impls::<impl core::ops::function::FnMut<A> for &mut F>::call_mut
  31: alloc::vec::source_iter_marker::<impl alloc::vec::spec_from_iter::SpecFromIter<T,I> for alloc::vec::Vec<T>>::from_iter
  32: <F as threadpool::FnBox>::call_box
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
Panic context:
> 
version: 996300f4a 2021-08-23 stable
request: textDocument/semanticTokens/full SemanticTokensParams {
    work_done_progress_params: WorkDoneProgressParams {
        work_done_token: None,
    },
    partial_result_params: PartialResultParams {
        partial_result_token: None,
    },
    text_document: TextDocumentIdentifier {
        uri: Url {
            scheme: "file",
            cannot_be_a_base: false,
            username: "",
            password: None,
            host: None,
            port: None,
            path: "/home/paulg/Repositories/cachou/server/src/core/auth.rs",
            query: None,
            fragment: None,
        },
    },
}

thread '<unnamed>' panicked at 'index out of bounds: the len is 1 but the index is 1', /home/runner/.cargo/registry/src/github.com-1ecc6299db9ec823/chalk-ir-0.70.0/src/lib.rs:2752:10
stack backtrace:
   0: rust_begin_unwind
             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
   1: core::panicking::panic_fmt
             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:92:14
   2: core::panicking::panic_bounds_check
             at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:69:5
   3: <&chalk_ir::SubstFolder<I,A> as chalk_ir::fold::Folder<I>>::fold_free_var_ty
   4: <chalk_ir::Ty<I> as chalk_ir::fold::SuperFold<I>>::super_fold_with
   5: chalk_ir::fold::boring_impls::<impl chalk_ir::fold::Fold<I> for chalk_ir::GenericArg<I>>::fold_with
   6: <smallvec::SmallVec<A> as core::iter::traits::collect::Extend<<A as smallvec::Array>::Item>>::extend
   7: chalk_ir::fold::boring_impls::<impl chalk_ir::fold::Fold<I> for chalk_ir::Substitution<I>>::fold_with
   8: <chalk_ir::Ty<I> as chalk_ir::fold::SuperFold<I>>::super_fold_with
   9: hir_ty::infer::coerce::<impl hir_ty::infer::InferenceContext>::coerce_inner
  10: hir_ty::infer::coerce::<impl hir_ty::infer::InferenceContext>::coerce
  11: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::check_call_arguments
  12: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_inner
  13: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_inner
  14: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_coerce
  15: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_block
  16: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_inner
  17: hir_ty::infer::expr::<impl hir_ty::infer::InferenceContext>::infer_expr_coerce
  18: hir_ty::infer::infer_query
  19: salsa::runtime::Runtime::execute_query_implementation
  20: salsa::derived::slot::Slot<Q,MP>::read_upgrade
  21: salsa::derived::slot::Slot<Q,MP>::read
  22: <salsa::derived::DerivedStorage<Q,MP> as salsa::plumbing::QueryStorageOps<Q>>::try_fetch
  23: <DB as hir_ty::db::HirDatabase>::infer_query
  24: hir_ty::db::infer_wait
  25: hir::Local::ty
  26: ide::syntax_highlighting::highlight::highlight_def
  27: ide::syntax_highlighting::highlight::element
  28: ide::syntax_highlighting::traverse
  29: ide::syntax_highlighting::highlight
  30: std::panicking::try
  31: rust_analyzer::handlers::handle_semantic_tokens_full
  32: rust_analyzer::dispatch::RequestDispatcher::on::{{closure}}::{{closure}}
  33: <F as threadpool::FnBox>::call_box
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
[Error - 3:57:00 PM] Request textDocument/semanticTokens/full failed.
  Message: server panicked: index out of bounds: the len is 1 but the index is 1
  Code: -32603

@cjgillot cjgillot added the A-incr-comp Area: Incremental compilation label May 1, 2023
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A-incr-comp Area: Incremental compilation 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.
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