[INFO] cloning repository https://github.com/ConnorVoisey/lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ConnorVoisey/lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConnorVoisey%2Flang", kill_on_drop: false }`
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[INFO] checking ConnorVoisey/lang against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConnorVoisey%2Flang" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ConnorVoisey/lang
[INFO] finished tweaking git repo https://github.com/ConnorVoisey/lang
[INFO] tweaked toml for git repo https://github.com/ConnorVoisey/lang written to /workspace/builds/worker-7-tc2/source/Cargo.toml
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[INFO] crate git repo https://github.com/ConnorVoisey/lang already has a lockfile, it will not be regenerated
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[INFO] [stdout] warning: unused imports: `StructLayout` and `self`
[INFO] [stdout]  --> src/rvsdg/builder.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 |     struct_layout::{self, StructLayout},
[INFO] [stdout]   |                     ^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TokenKind`, `Token`, and `VarType`
[INFO] [stdout]   --> src/ast/ast_import.rs:71:20
[INFO] [stdout]    |
[INFO] [stdout] 71 |         ast::{Ast, VarType},
[INFO] [stdout]    |                    ^^^^^^^
[INFO] [stdout] 72 |         interner::{Interner, SharedInterner},
[INFO] [stdout] 73 |         lexer::{Lexer, Token, TokenKind},
[INFO] [stdout]    |                        ^^^^^  ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pretty_assertions::assert_eq`
[INFO] [stdout]   --> src/ast/ast_import.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |     use pretty_assertions::assert_eq;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Token`
[INFO] [stdout]    --> src/ast/ast_struct.rs:156:24
[INFO] [stdout]     |
[INFO] [stdout] 156 |         lexer::{Lexer, Token, TokenKind},
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `StructLayout` and `self`
[INFO] [stdout]  --> src/rvsdg/builder.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 |     struct_layout::{self, StructLayout},
[INFO] [stdout]   |                     ^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/rvsdg/optimize.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/types/mod.rs:313:44
[INFO] [stdout]     |
[INFO] [stdout] 312 | ...                   params: todo!(),
[INFO] [stdout]     |                               ------- any code following this expression is unreachable
[INFO] [stdout] 313 | ...                   param_symbols: todo!(),
[INFO] [stdout]     |                                      ^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `todo` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cached_node`
[INFO] [stdout]    --> src/rvsdg/builder.rs:152:22
[INFO] [stdout]     |
[INFO] [stdout] 152 |         if let Some(&cached_node) = self.value_cache.get(&key) {
[INFO] [stdout]     |                      ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cached_node`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]    --> src/rvsdg/builder.rs:431:13
[INFO] [stdout]     |
[INFO] [stdout] 431 |         let ty = value.node; // Placeholder - we'd need to track types properly
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_ty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/rvsdg/graphviz.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |             _ => ("white", "rounded"),
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/rvsdg/graphviz.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |             NodeKind::Lambda { .. } | NodeKind::Gamma { .. } | NodeKind::Theta { .. } => {
[INFO] [stdout]     |             ------------------------------------------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 103 |             NodeKind::Const { .. } => ("lightgreen", "filled,rounded"),
[INFO] [stdout]     |             ---------------------- matches some of the same values
[INFO] [stdout] 104 |             NodeKind::Binary { .. } | NodeKind::Unary { .. } => ("lightyellow", "filled,rounded"),
[INFO] [stdout]     |             ------------------------------------------------ matches some of the same values
[INFO] [stdout] 105 |             NodeKind::Call { .. } => ("orange", "filled,rounded"),
[INFO] [stdout]     |             --------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 113 |             _ => ("white", "rounded"),
[INFO] [stdout]     |             ^ ...and 3 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `outer_state`
[INFO] [stdout]   --> src/rvsdg/lower/theta.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let outer_state = self.current_state;
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_outer_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left`
[INFO] [stdout]    --> src/rvsdg/lower/mod.rs:445:31
[INFO] [stdout]     |
[INFO] [stdout] 445 |             Op::DoubleColon { left, right } => {
[INFO] [stdout]     |                               ^^^^ help: try ignoring the field: `left: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right`
[INFO] [stdout]    --> src/rvsdg/lower/mod.rs:445:37
[INFO] [stdout]     |
[INFO] [stdout] 445 |             Op::DoubleColon { left, right } => {
[INFO] [stdout]     |                                     ^^^^^ help: try ignoring the field: `right: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `call_conv`
[INFO] [stdout]    --> src/rvsdg/to_cranelift.rs:201:9
[INFO] [stdout]     |
[INFO] [stdout] 201 |         call_conv: CallConv,
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_call_conv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]    --> src/rvsdg/to_cranelift.rs:777:31
[INFO] [stdout]     |
[INFO] [stdout] 777 |             NodeKind::Store { ty, inputs } => {
[INFO] [stdout]     |                               ^^ help: try ignoring the field: `ty: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fn_symbol_data`
[INFO] [stdout]    --> src/symbols/mod.rs:441:36
[INFO] [stdout]     |
[INFO] [stdout] 441 |                     SymbolKind::Fn(fn_symbol_data) => todo!(),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fn_symbol_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fn_arg_symbol_data`
[INFO] [stdout]    --> src/symbols/mod.rs:442:39
[INFO] [stdout]     |
[INFO] [stdout] 442 |                     SymbolKind::FnArg(fn_arg_symbol_data) => todo!(),
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fn_arg_symbol_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var_symbol_data`
[INFO] [stdout]    --> src/symbols/mod.rs:443:37
[INFO] [stdout]     |
[INFO] [stdout] 443 |                     SymbolKind::Var(var_symbol_data) => todo!(),
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_var_symbol_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `enum_symbol_data`
[INFO] [stdout]    --> src/symbols/mod.rs:447:38
[INFO] [stdout]     |
[INFO] [stdout] 447 |                     SymbolKind::Enum(enum_symbol_data) => todo!(),
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_enum_symbol_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `peek_n_token` is never used
[INFO] [stdout]   --> src/ast/mod.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl Ast {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 63 |     fn peek_n_token(&self, amount: usize) -> Option<&Token> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `StructFieldAddr` is never constructed
[INFO] [stdout]    --> src/rvsdg/mod.rs:631:5
[INFO] [stdout]     |
[INFO] [stdout] 627 | pub(crate) enum NodeKeyKind {
[INFO] [stdout]     |                 ----------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 631 |     StructFieldAddr { field: FieldId },
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `NodeKeyKind` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `fb` and `region_id` are never read
[INFO] [stdout]   --> src/rvsdg/builder.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct RegionBuilder<'a> {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 57 |     fb: &'a mut FunctionBuilder<'a>,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 58 |     region_id: RegionId,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `current_function` is never read
[INFO] [stdout]   --> src/rvsdg/to_cranelift.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct RvsdgToCranelift<'a> {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 59 |     current_function: Option<FunctionId>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `block_map` is never read
[INFO] [stdout]   --> src/rvsdg/to_cranelift.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub struct FunctionCompiler<'a, 'b> {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 73 |     block_map: FxHashMap<NodeId, Vec<Block>>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_struct_id_from_ptr` is never used
[INFO] [stdout]    --> src/rvsdg/to_cranelift.rs:805:8
[INFO] [stdout]     |
[INFO] [stdout] 237 | impl<'a, 'b> FunctionCompiler<'a, 'b> {
[INFO] [stdout]     | ------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 805 |     fn get_struct_id_from_ptr(&self, ptr_value_id: ValueId) -> color_eyre::Result<StructId> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/types/mod.rs:313:44
[INFO] [stdout]     |
[INFO] [stdout] 312 | ...                   params: todo!(),
[INFO] [stdout]     |                               ------- any code following this expression is unreachable
[INFO] [stdout] 313 | ...                   param_symbols: todo!(),
[INFO] [stdout]     |                                      ^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `todo` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] thread 'rustc' (1341) panicked at /rustc-dev/66388cc165a6c4ac98c074dc9f0281ff23528c55/compiler/rustc_ast/src/attr/mod.rs:302:36:
[INFO] [stderr] attribute is missing tokens: Attribute { kind: Normal(NormalAttr { item: AttrItem { unsafety: Default, path: Path { span: tests/example_dir_test.rs:17:1: 17:8 (#7), segments: [PathSegment { ident: <test_trace>#7, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(16), style: Outer, span: tests/example_dir_test.rs:17:1: 17:8 (#7) }
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x7b2ae0e2bfa3 - <<std[7d609349af90bec6]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt
[INFO] [stderr]    1:     0x7b2ae140fb48 - core[75ca2badb63c4514]::fmt::write
[INFO] [stderr]    2:     0x7b2ae0e42226 - <std[7d609349af90bec6]::sys::stdio::unix::Stderr as std[7d609349af90bec6]::io::Write>::write_fmt
[INFO] [stderr]    3:     0x7b2ae0e01b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0}
[INFO] [stderr]    4:     0x7b2ae0e1f833 - std[7d609349af90bec6]::panicking::default_hook
[INFO] [stderr]    5:     0x7b2adfe0236a - std[7d609349af90bec6]::panicking::update_hook::<alloc[d7482eb0f1d19161]::boxed::Box<rustc_driver_impl[3f9d6dd912ac34bd]::install_ice_hook::{closure#1}>>::{closure#0}
[INFO] [stderr]    6:     0x7b2ae0e1fb12 - std[7d609349af90bec6]::panicking::panic_with_hook
[INFO] [stderr]    7:     0x7b2ae0e01c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0}
[INFO] [stderr]    8:     0x7b2ae0df89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace::<std[7d609349af90bec6]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]    9:     0x7b2ae0e0372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind
[INFO] [stderr]   10:     0x7b2adda38f9c - core[75ca2badb63c4514]::panicking::panic_fmt
[INFO] [stderr]   11:     0x7b2ae21e0110 - <rustc_ast[333fca09df5738a4]::ast::Attribute>::token_trees
[INFO] [stderr]   12:     0x7b2ae2a1c314 - <rustc_expand[a01ffc1bf52c2613]::expand::MacroExpander>::fully_expand_fragment
[INFO] [stderr]   13:     0x7b2ae29e65d2 - <rustc_expand[a01ffc1bf52c2613]::expand::MacroExpander>::expand_crate
[INFO] [stderr]   14:     0x7b2ae1af0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand
[INFO] [stderr]   15:     0x7b2ae2607658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw
[INFO] [stderr]   16:     0x7b2ae26073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::dynamic_query::{closure#2}::{closure#0}, rustc_middle[2342951a64deba5]::query::erase::Erased<[u8; 16usize]>>
[INFO] [stderr]   17:     0x7b2ae26073a7 - <rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::dynamic_query::{closure#2} as core[75ca2badb63c4514]::ops::function::FnOnce<(rustc_middle[2342951a64deba5]::ty::context::TyCtxt, ())>>::call_once
[INFO] [stderr]   18:     0x7b2ae25ecb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::<rustc_query_impl[8c5349e00d64015e]::DynamicConfig<rustc_query_system[d45be4fb383a0235]::query::caches::SingleCache<rustc_middle[2342951a64deba5]::query::erase::Erased<[u8; 16usize]>>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false>
[INFO] [stderr]   19:     0x7b2ae25ec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   20:     0x7b2ae277127b - <rustc_interface[903e43df8d6bd657]::passes::create_and_enter_global_ctxt<core[75ca2badb63c4514]::option::Option<rustc_interface[903e43df8d6bd657]::queries::Linker>, rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}::{closure#2}>::{closure#2} as core[75ca2badb63c4514]::ops::function::FnOnce<(&rustc_session[1e6875ba352dc1ba]::session::Session, rustc_middle[2342951a64deba5]::ty::context::CurrentGcx, alloc[d7482eb0f1d19161]::sync::Arc<rustc_data_structures[c82a87ce5cdbfc92]::jobserver::Proxy>, &std[7d609349af90bec6]::sync::once_lock::OnceLock<rustc_middle[2342951a64deba5]::ty::context::GlobalCtxt>, &rustc_data_structures[c82a87ce5cdbfc92]::sync::worker_local::WorkerLocal<rustc_middle[2342951a64deba5]::arena::Arena>, &rustc_data_structures[c82a87ce5cdbfc92]::sync::worker_local::WorkerLocal<rustc_hir[cc727ec2ba6ebdb5]::Arena>, rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}::{closure#2})>>::call_once::{shim:vtable#0}
[INFO] [stderr]   21:     0x7b2ae265ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1}
[INFO] [stderr]   22:     0x7b2ae24eac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface[903e43df8d6bd657]::util::run_in_thread_with_globals<rustc_interface[903e43df8d6bd657]::util::run_in_thread_pool_with_globals<rustc_interface[903e43df8d6bd657]::interface::run_compiler<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>
[INFO] [stderr]   23:     0x7b2ae24eaa20 - <std[7d609349af90bec6]::thread::lifecycle::spawn_unchecked<rustc_interface[903e43df8d6bd657]::util::run_in_thread_with_globals<rustc_interface[903e43df8d6bd657]::util::run_in_thread_pool_with_globals<rustc_interface[903e43df8d6bd657]::interface::run_compiler<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]   24:     0x7b2ae24ed138 - <std[7d609349af90bec6]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stderr]   25:     0x7b2adc08aaa4 - <unknown>
[INFO] [stderr]   26:     0x7b2adc117a64 - clone
[INFO] [stderr]   27:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] error: the compiler unexpectedly panicked. this is a bug.
[INFO] [stderr] 
[INFO] [stderr] 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
[INFO] [stderr] 
[INFO] [stderr] note: please make sure that you have updated to the latest nightly
[INFO] [stderr] 
[INFO] [stderr] warning: the ICE couldn't be written to `/opt/rustwide/workdir/rustc-ice-2026-01-09T01_58_50-1333.txt`: Read-only file system (os error 30)
[INFO] [stderr] 
[INFO] [stderr] note: rustc 1.94.0-nightly (66388cc16 2026-01-08) running on x86_64-unknown-linux-gnu
[INFO] [stderr] 
[INFO] [stderr] note: compiler flags: -C embed-bitcode=no -C debuginfo=2
[INFO] [stderr] 
[INFO] [stderr] note: some of the compiler flags provided by cargo are hidden
[INFO] [stderr] 
[INFO] [stderr] query stack during panic:
[INFO] [stderr] #0 [resolver_for_lowering_raw] getting the resolver for lowering
[INFO] [stderr] end of query stack
[INFO] [stderr] error: could not compile `lang` (test "example_dir_test")
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/66388cc165a6c4ac98c074dc9f0281ff23528c55/bin/rustc --crate-name example_dir_test --edition=2024 tests/example_dir_test.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=367064b9a2037844 -C extra-filename=-58c0f9553f3bc6f7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-7f6dfe130627211d.rmeta --extern codespan_reporting=/opt/rustwide/target/debug/deps/libcodespan_reporting-ebb559e414d591ce.rmeta --extern color_eyre=/opt/rustwide/target/debug/deps/libcolor_eyre-107374701c09dd75.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-9f883aca25bb3b22.rmeta --extern cranelift=/opt/rustwide/target/debug/deps/libcranelift-283bf6aaec8a42f7.rmeta --extern cranelift_codegen=/opt/rustwide/target/debug/deps/libcranelift_codegen-88e4fd452196a555.rmeta --extern cranelift_frontend=/opt/rustwide/target/debug/deps/libcranelift_frontend-c6cd863182436f2b.rmeta --extern cranelift_module=/opt/rustwide/target/debug/deps/libcranelift_module-aaaa09fea5f15580.rmeta --extern cranelift_object=/opt/rustwide/target/debug/deps/libcranelift_object-dd2e4a04544a4c5d.rmeta --extern lang=/opt/rustwide/target/debug/deps/liblang-b82fbf9cd84dede5.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-e68f03362e659b90.rmeta --extern pretty_assertions=/opt/rustwide/target/debug/deps/libpretty_assertions-a21c3242f84402d4.rmeta --extern quickscope=/opt/rustwide/target/debug/deps/libquickscope-8c32c2dcc76f81f4.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-f07a5d1cfcb2a055.rmeta --extern rustc_hash=/opt/rustwide/target/debug/deps/librustc_hash-0bb3a5e14e8504c6.rmeta --extern serial_test=/opt/rustwide/target/debug/deps/libserial_test-c0ac092441f0734e.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-00bc22cf81bd30f9.rmeta --extern target_lexicon=/opt/rustwide/target/debug/deps/libtarget_lexicon-315f4ffbd6fa1229.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-f53fa667708faad5.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-36cad4fc9bc0d8f7.rmeta --extern tracing_chrome=/opt/rustwide/target/debug/deps/libtracing_chrome-2a759c32e71f39c4.rmeta --extern tracing_subscriber=/opt/rustwide/target/debug/deps/libtracing_subscriber-1e0a87ead08fe58b.rmeta --extern tracing_tree=/opt/rustwide/target/debug/deps/libtracing_tree-05e7a2b062ebccca.rmeta --cap-lints=forbid` (exit status: 101)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/ast/ast_import.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let i = shared_interner.write();
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args_mapped`
[INFO] [stdout]   --> src/ast/ast_import.rs:92:13
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let args_mapped = args
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_args_mapped`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ast/ast_struct.rs:179:13
[INFO] [stdout]     |
[INFO] [stdout] 179 |         let mut i = shared_interner.write();
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cached_node`
[INFO] [stdout]    --> src/rvsdg/builder.rs:152:22
[INFO] [stdout]     |
[INFO] [stdout] 152 |         if let Some(&cached_node) = self.value_cache.get(&key) {
[INFO] [stdout]     |                      ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cached_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]    --> src/rvsdg/builder.rs:431:13
[INFO] [stdout]     |
[INFO] [stdout] 431 |         let ty = value.node; // Placeholder - we'd need to track types properly
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_ty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/rvsdg/graphviz.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |             _ => ("white", "rounded"),
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/rvsdg/graphviz.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |             NodeKind::Lambda { .. } | NodeKind::Gamma { .. } | NodeKind::Theta { .. } => {
[INFO] [stdout]     |             ------------------------------------------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 103 |             NodeKind::Const { .. } => ("lightgreen", "filled,rounded"),
[INFO] [stdout]     |             ---------------------- matches some of the same values
[INFO] [stdout] 104 |             NodeKind::Binary { .. } | NodeKind::Unary { .. } => ("lightyellow", "filled,rounded"),
[INFO] [stdout]     |             ------------------------------------------------ matches some of the same values
[INFO] [stdout] 105 |             NodeKind::Call { .. } => ("orange", "filled,rounded"),
[INFO] [stdout]     |             --------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 113 |             _ => ("white", "rounded"),
[INFO] [stdout]     |             ^ ...and 3 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `outer_state`
[INFO] [stdout]   --> src/rvsdg/lower/theta.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let outer_state = self.current_state;
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_outer_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left`
[INFO] [stdout]    --> src/rvsdg/lower/mod.rs:445:31
[INFO] [stdout]     |
[INFO] [stdout] 445 |             Op::DoubleColon { left, right } => {
[INFO] [stdout]     |                               ^^^^ help: try ignoring the field: `left: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right`
[INFO] [stdout]    --> src/rvsdg/lower/mod.rs:445:37
[INFO] [stdout]     |
[INFO] [stdout] 445 |             Op::DoubleColon { left, right } => {
[INFO] [stdout]     |                                     ^^^^^ help: try ignoring the field: `right: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `call_conv`
[INFO] [stdout]    --> src/rvsdg/to_cranelift.rs:201:9
[INFO] [stdout]     |
[INFO] [stdout] 201 |         call_conv: CallConv,
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_call_conv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]    --> src/rvsdg/to_cranelift.rs:777:31
[INFO] [stdout]     |
[INFO] [stdout] 777 |             NodeKind::Store { ty, inputs } => {
[INFO] [stdout]     |                               ^^ help: try ignoring the field: `ty: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fn_symbol_data`
[INFO] [stdout]    --> src/symbols/mod.rs:441:36
[INFO] [stdout]     |
[INFO] [stdout] 441 |                     SymbolKind::Fn(fn_symbol_data) => todo!(),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fn_symbol_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fn_arg_symbol_data`
[INFO] [stdout]    --> src/symbols/mod.rs:442:39
[INFO] [stdout]     |
[INFO] [stdout] 442 |                     SymbolKind::FnArg(fn_arg_symbol_data) => todo!(),
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fn_arg_symbol_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var_symbol_data`
[INFO] [stdout]    --> src/symbols/mod.rs:443:37
[INFO] [stdout]     |
[INFO] [stdout] 443 |                     SymbolKind::Var(var_symbol_data) => todo!(),
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_var_symbol_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `enum_symbol_data`
[INFO] [stdout]    --> src/symbols/mod.rs:447:38
[INFO] [stdout]     |
[INFO] [stdout] 447 |                     SymbolKind::Enum(enum_symbol_data) => todo!(),
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_enum_symbol_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `peek_n_token` is never used
[INFO] [stdout]   --> src/ast/mod.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl Ast {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 63 |     fn peek_n_token(&self, amount: usize) -> Option<&Token> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `StructFieldAddr` is never constructed
[INFO] [stdout]    --> src/rvsdg/mod.rs:631:5
[INFO] [stdout]     |
[INFO] [stdout] 627 | pub(crate) enum NodeKeyKind {
[INFO] [stdout]     |                 ----------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 631 |     StructFieldAddr { field: FieldId },
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `NodeKeyKind` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `fb` and `region_id` are never read
[INFO] [stdout]   --> src/rvsdg/builder.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct RegionBuilder<'a> {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 57 |     fb: &'a mut FunctionBuilder<'a>,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 58 |     region_id: RegionId,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `current_function` is never read
[INFO] [stdout]   --> src/rvsdg/to_cranelift.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct RvsdgToCranelift<'a> {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 59 |     current_function: Option<FunctionId>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `block_map` is never read
[INFO] [stdout]   --> src/rvsdg/to_cranelift.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub struct FunctionCompiler<'a, 'b> {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 73 |     block_map: FxHashMap<NodeId, Vec<Block>>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_struct_id_from_ptr` is never used
[INFO] [stdout]    --> src/rvsdg/to_cranelift.rs:805:8
[INFO] [stdout]     |
[INFO] [stdout] 237 | impl<'a, 'b> FunctionCompiler<'a, 'b> {
[INFO] [stdout]     | ------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 805 |     fn get_struct_id_from_ptr(&self, ptr_value_id: ValueId) -> color_eyre::Result<StructId> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ast` and `arena` are never read
[INFO] [stdout]    --> src/type_checker/mod.rs:877:9
[INFO] [stdout]     |
[INFO] [stdout] 875 |     struct TypeCheckResult {
[INFO] [stdout]     |            --------------- fields in this struct
[INFO] [stdout] 876 |         errors: Vec<TypeCheckingError>,
[INFO] [stdout] 877 |         ast: Ast,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 878 |         arena: TypeArena,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d05b1dbecba6fa9888cf434436c36d68136cdfc6b9a52cd626ee2e005293974d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d05b1dbecba6fa9888cf434436c36d68136cdfc6b9a52cd626ee2e005293974d", kill_on_drop: false }`
[INFO] [stdout] d05b1dbecba6fa9888cf434436c36d68136cdfc6b9a52cd626ee2e005293974d
