ICE: glacier ./77218.rs : ice while adjusting..

[matthiaskrgr]

Code

pub struct Cache {
    data: Vec<i32>,
}

pub fn list_data(cache: &Cache, key: usize) {
    for reference in vec![1, 2, 3] {
        if /*let*/ Some(reference) = cache.data.get(key) {
            unimplemented!()
        }
    }
}

Meta

clippy 0.0.212 (ffa2e7a 2020-10-24)


rustc 1.46.0-nightly (f455e46ea 2020-06-20)
binary: rustc
commit-hash: f455e46eae1a227d735091091144601b467e1565
commit-date: 2020-06-20
host: x86_64-unknown-linux-gnu
release: 1.46.0-nightly
LLVM version: 10.0

Error output

error[E0601]: `main` function not found in crate `77218`
  --> ./77218.rs:1:1
   |
1  | / pub struct Cache {
2  | |     data: Vec<i32>,
3  | | }
4  | |
...  |
10 | |     }
11 | | }
   | |_^ consider adding a `main` function to `./77218.rs`

error: internal compiler error: compiler/rustc_typeck/src/check/fn_ctxt/_impl.rs:308:25: while adjusting Expr { hir_id: HirId { owner: DefId(0:5 ~ 77218[317d]::list_data), local_id: 61 }, kind: Path(Resolved(None, Path { span: ./77218.rs:7:38: 7:43 (#0), res: Local(HirId { owner: DefId(0:5 ~ 77218[317d]::list_data), local_id: 1 }), segments: [PathSegment { ident: cache#0, hir_id: Some(HirId { owner: DefId(0:5 ~ 77218[317d]::list_data), local_id: 60 }), res: Some(Local(HirId { owner: DefId(0:5 ~ 77218[317d]::list_data), local_id: 1 })), args: None, infer_args: true }] })), attrs: ThinVec(None), span: ./77218.rs:7:38: 7:43 (#0) }, can't compose [Deref(None) -> Cache] and [Deref(None) -> Cache]

thread 'rustc' panicked at 'Box<Any>', compiler/rustc_errors/src/lib.rs:945:9
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

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

note: we would appreciate a bug report: https://github.com/rust-lang/rust-clippy/issues/new

note: Clippy version: clippy 0.0.212 (ffa2e7a 2020-10-24)

query stack during panic:
#0 [typeck] type-checking `list_data`
#1 [typeck_item_bodies] type-checking all item bodies
end of query stack
error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0601`.

Backtrace

error[E0601]: `main` function not found in crate `77218`
--> ./77218.rs:1:1
 |
1  | / pub struct Cache {
2  | |     data: Vec<i32>,
3  | | }
4  | |
...  |
10 | |     }
11 | | }
 | |_^ consider adding a `main` function to `./77218.rs`

error: internal compiler error: compiler/rustc_typeck/src/check/fn_ctxt/_impl.rs:308:25: while adjusting Expr { hir_id: HirId { owner: DefId(0:5 ~ 77218[317d]::list_data), local_id: 61 }, kind: Path(Resolved(None, Path { span: ./77218.rs:7:38: 7:43 (#0), res: Local(HirId { owner: DefId(0:5 ~ 77218[317d]::list_data), local_id: 1 }), segments: [PathSegment { ident: cache#0, hir_id: Some(HirId { owner: DefId(0:5 ~ 77218[317d]::list_data), local_id: 60 }), res: Some(Local(HirId { owner: DefId(0:5 ~ 77218[317d]::list_data), local_id: 1 })), args: None, infer_args: true }] })), attrs: ThinVec(None), span: ./77218.rs:7:38: 7:43 (#0) }, can't compose [Deref(None) -> Cache] and [Deref(None) -> Cache]

thread 'rustc' panicked at 'Box<Any>', compiler/rustc_errors/src/lib.rs:945:9
stack backtrace:
 0:     0x7f37aa74fa20 - std::backtrace_rs::backtrace::libunwind::trace::h303a626d53553a64
                             at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5
 1:     0x7f37aa74fa20 - std::backtrace_rs::backtrace::trace_unsynchronized::h6abb882733c3f18c
                             at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
 2:     0x7f37aa74fa20 - std::sys_common::backtrace::_print_fmt::h57829321f1d9217a
                             at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/sys_common/backtrace.rs:67:5
 3:     0x7f37aa74fa20 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h400b66a054640aac
                             at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/sys_common/backtrace.rs:46:22
 4:     0x7f37aa7bee9c - core::fmt::write::h1857a60b204f1b6a
                             at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/core/src/fmt/mod.rs:1076:17
 5:     0x7f37aa741642 - std::io::Write::write_fmt::h6453b28c8b27c6ea
                             at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/io/mod.rs:1516:15
 6:     0x7f37aa7549d5 - std::sys_common::backtrace::_print::h15cc4b3923cc9bc0
                             at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/sys_common/backtrace.rs:49:5
 7:     0x7f37aa7549d5 - std::sys_common::backtrace::print::h953c7be178c0674d
                             at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/sys_common/backtrace.rs:36:9
 8:     0x7f37aa7549d5 - std::panicking::default_hook::{{closure}}::h635d667f571198f0
                             at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/panicking.rs:208:50
 9:     0x7f37aa754678 - std::panicking::default_hook::h3bc2efb48060abaa
                             at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/panicking.rs:227:9
10:     0x55ee45171491 - clippy_driver::report_clippy_ice::h76ee1ad508e689ae
11:     0x7f37aa755216 - std::panicking::rust_panic_with_hook::h887eb0c89f46b8b2
                             at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/panicking.rs:581:17
12:     0x7f37adfc9a2d - std::panicking::begin_panic::{{closure}}::hc1d905d2374ce0cc
13:     0x7f37adfc9936 - std::sys_common::backtrace::__rust_end_short_backtrace::ha1feaa73cb1e05ce
14:     0x7f37adfc999f - std::panicking::begin_panic::h09616460625efa25
15:     0x7f37ae000380 - rustc_errors::HandlerInner::bug::hbb6554bd4fbc8852
16:     0x7f37adffee60 - rustc_errors::Handler::bug::h4feefeec7bb726ca
17:     0x7f37ada70bc4 - rustc_middle::util::bug::opt_span_bug_fmt::{{closure}}::h22b92ed7b73b8340
18:     0x7f37ada69e0b - rustc_middle::ty::context::tls::with_opt::{{closure}}::h32bfd9cf0b0a9393
19:     0x7f37ada69db2 - rustc_middle::ty::context::tls::with_opt::h762464f893de2d96
20:     0x7f37ada70ae9 - rustc_middle::util::bug::opt_span_bug_fmt::h05648c19bbf99518
21:     0x7f37ada70a5e - rustc_middle::util::bug::bug_fmt::h5d4f7ed12a8f1d0d
22:     0x7f37aba6d7c4 - rustc_typeck::check::fn_ctxt::_impl::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::apply_adjustments::h9a6882260f2814c9
23:     0x7f37aba6b03b - rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_field::hf715acfb0435b376
24:     0x7f37aba603d8 - rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_kind::h85571b792e4e29aa
25:     0x7f37aba5f3a0 - rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_with_expectation::h3d0ee6ad6d48cede
26:     0x7f37aba5f98b - rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_kind::h85571b792e4e29aa
27:     0x7f37aba5f3a0 - rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_with_expectation::h3d0ee6ad6d48cede
28:     0x7f37aba5f1f2 - rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_coercable_to_type::h556ab61bb1110bf1
29:     0x7f37aba620af - rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_kind::h85571b792e4e29aa
30:     0x7f37aba5f3a0 - rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_with_expectation::h3d0ee6ad6d48cede
31:     0x7f37aba5f945 - rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_kind::h85571b792e4e29aa
32:     0x7f37aba5f3a0 - rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_with_expectation::h3d0ee6ad6d48cede
33:     0x7f37aba4a084 - rustc_typeck::check::_match::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_match::hbfd2c80b01fc57c2
34:     0x7f37aba6037a - rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_kind::h85571b792e4e29aa
35:     0x7f37aba5f3a0 - rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_with_expectation::h3d0ee6ad6d48cede
36:     0x7f37aba7848c - rustc_typeck::check::fn_ctxt::checks::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_block_with_expected::heaf04a8a0c47c91a
37:     0x7f37aba600a5 - rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_kind::h85571b792e4e29aa
38:     0x7f37aba5f3a0 - rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_with_expectation::h3d0ee6ad6d48cede
39:     0x7f37aba77bb5 - rustc_typeck::check::fn_ctxt::checks::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_stmt::h8c3b1cf29c1b9146
40:     0x7f37aba7845b - rustc_typeck::check::fn_ctxt::checks::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_block_with_expected::heaf04a8a0c47c91a
41:     0x7f37aba7814d - rustc_typeck::check::fn_ctxt::checks::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_block_no_value::h086b878f3e20d7e0
42:     0x7f37aba60efd - rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_kind::h85571b792e4e29aa
43:     0x7f37aba5f3a0 - rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_with_expectation::h3d0ee6ad6d48cede
44:     0x7f37aba4ae32 - rustc_typeck::check::_match::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_match::hbfd2c80b01fc57c2
45:     0x7f37aba6037a - rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_kind::h85571b792e4e29aa
46:     0x7f37aba5f3a0 - rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_with_expectation::h3d0ee6ad6d48cede
47:     0x7f37aba5f945 - rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_kind::h85571b792e4e29aa
48:     0x7f37aba5f3a0 - rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_with_expectation::h3d0ee6ad6d48cede
49:     0x7f37aba7848c - rustc_typeck::check::fn_ctxt::checks::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_block_with_expected::heaf04a8a0c47c91a
50:     0x7f37aba600a5 - rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_kind::h85571b792e4e29aa
51:     0x7f37aba5f3a0 - rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_with_expectation::h3d0ee6ad6d48cede
52:     0x7f37aba67e8a - rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_return_expr::h600e7dc6197fad7f
53:     0x7f37abb73298 - rustc_typeck::check::check::check_fn::h3f68f05a04d05804
54:     0x7f37abce8553 - rustc_infer::infer::InferCtxtBuilder::enter::h6881f9376e4471a9
55:     0x7f37abd9f158 - rustc_typeck::check::typeck::h7936b5f86fffb913
56:     0x7f37abc8098e - rustc_middle::ty::query::<impl rustc_query_system::query::config::QueryAccessors<rustc_middle::ty::context::TyCtxt> for rustc_middle::ty::query::queries::typeck>::compute::hcea92138ac9e28bb
57:     0x7f37abc4a647 - rustc_query_system::dep_graph::graph::DepGraph<K>::with_task_impl::h2605dda46e394e9a
58:     0x7f37abbc4a31 - rustc_data_structures::stack::ensure_sufficient_stack::hefd48e3d1b00a42f
59:     0x7f37abab5329 - rustc_query_system::query::plumbing::get_query_impl::h3a9e7fcf130ad31d
60:     0x7f37abb213fd - rustc_query_system::query::plumbing::ensure_query_impl::h7982f7a407c81650
61:     0x7f37abda3b36 - rustc_typeck::check::typeck_item_bodies::h64dc12efcaea9221
62:     0x7f37abc3713e - rustc_middle::ty::query::<impl rustc_query_system::query::config::QueryAccessors<rustc_middle::ty::context::TyCtxt> for rustc_middle::ty::query::queries::typeck_item_bodies>::compute::h9834b15ef9ab2a9b
63:     0x7f37abc56857 - rustc_query_system::dep_graph::graph::DepGraph<K>::with_task_impl::ha57625619acaac80
64:     0x7f37abbc0534 - rustc_data_structures::stack::ensure_sufficient_stack::h9c1970be50e3794d
65:     0x7f37abaa4f25 - rustc_query_system::query::plumbing::get_query_impl::h086a494db0b3fd1b
66:     0x7f37abc9fe73 - rustc_typeck::check_crate::h19e2dfbdd8ea5557
67:     0x7f37ab262d95 - rustc_interface::passes::analysis::hf34e525a2b31f7c0
68:     0x7f37aaf9cd7b - rustc_middle::ty::query::<impl rustc_query_system::query::config::QueryAccessors<rustc_middle::ty::context::TyCtxt> for rustc_middle::ty::query::queries::analysis>::compute::h23cb841af51f0584
69:     0x7f37ab03b057 - rustc_query_system::dep_graph::graph::DepGraph<K>::with_task_impl::h7178e9f1ddee6943
70:     0x7f37ab0363df - rustc_middle::ty::query::plumbing::<impl rustc_query_system::query::QueryContext for rustc_middle::ty::context::TyCtxt>::start_query::{{closure}}::{{closure}}::{{closure}}::h4025824db8759ceb
71:     0x7f37aafc7f10 - rustc_query_system::query::plumbing::get_query_impl::h29928f066778d4c4
72:     0x7f37aaf9f12b - rustc_interface::passes::QueryContext::enter::h0705343d8e4a95be
73:     0x7f37ab0384a2 - rustc_interface::queries::<impl rustc_interface::interface::Compiler>::enter::h6eb07f11eba80bd6
74:     0x7f37aafff2a2 - rustc_span::with_source_map::h3820d41b3a036910
75:     0x7f37ab0399c2 - rustc_interface::interface::create_compiler_and_run::h08ad396f4e7721e0
76:     0x7f37ab021d5a - scoped_tls::ScopedKey<T>::set::hd425a36fbe06985e
77:     0x7f37ab03e9b5 - std::sys_common::backtrace::__rust_begin_short_backtrace::h23925571219dbc63
78:     0x7f37aafbc3ce - core::ops::function::FnOnce::call_once{{vtable.shim}}::h43b61b9af30b3669
79:     0x7f37aa76421a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h88864ee659ddb161
                             at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/alloc/src/boxed.rs:1042:9
80:     0x7f37aa76421a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h9f03cbdc7ab33431
                             at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/alloc/src/boxed.rs:1042:9
81:     0x7f37aa76421a - std::sys::unix::thread::Thread::new::thread_start::h5979dd5560a11418
                             at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/sys/unix/thread.rs:89:17
82:     0x7f37aa6493e9 - start_thread
83:     0x7f37aa431293 - __GI___clone
84:                0x0 - <unknown>

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

note: we would appreciate a bug report: https://github.com/rust-lang/rust-clippy/issues/new

note: Clippy version: clippy 0.0.212 (ffa2e7a 2020-10-24)

query stack during panic:
#0 [typeck] type-checking `list_data`
#1 [typeck_item_bodies] type-checking all item bodies
#2 [analysis] running analysis passes on this crate
end of query stack
error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0601`.

[ebroto]

This one crashes in beta but not in nightly. Latest Clippy seems to work fine. playground