[INFO] fetching crate option_trait 1.0.7... [INFO] testing option_trait-1.0.7 against 1.90.0 for beta-1.91-3 [INFO] extracting crate option_trait 1.0.7 into /workspace/builds/worker-3-tc1/source [INFO] started tweaking crates.io crate option_trait 1.0.7 [INFO] finished tweaking crates.io crate option_trait 1.0.7 [INFO] tweaked toml for crates.io crate option_trait 1.0.7 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate option_trait 1.0.7 on toolchain 1.90.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate option_trait 1.0.7 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded moddef v0.2.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0efac738c359de61e444e4e2ec37485a073aa6467abfbb14e1143a3f70884a34 [INFO] running `Command { std: "docker" "start" "-a" "0efac738c359de61e444e4e2ec37485a073aa6467abfbb14e1143a3f70884a34", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0efac738c359de61e444e4e2ec37485a073aa6467abfbb14e1143a3f70884a34", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0efac738c359de61e444e4e2ec37485a073aa6467abfbb14e1143a3f70884a34", kill_on_drop: false }` [INFO] [stdout] 0efac738c359de61e444e4e2ec37485a073aa6467abfbb14e1143a3f70884a34 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6d2346a9b666a87085e51ff95fed8418ac47f891f730d565b8a1d03a9da8f176 [INFO] running `Command { std: "docker" "start" "-a" "6d2346a9b666a87085e51ff95fed8418ac47f891f730d565b8a1d03a9da8f176", kill_on_drop: false }` [INFO] [stderr] Compiling moddef v0.2.6 [INFO] [stderr] Compiling option_trait v1.0.7 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(const_trait_impl)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | #![feature(auto_traits)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | #![feature(negative_impls)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | #![feature(try_trait_v2_yeet)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | #![feature(unboxed_closures)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | #![feature(associated_type_defaults)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | #![feature(associated_const_equality)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | #![feature(structural_match)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:12:1 [INFO] [stdout] | [INFO] [stdout] 12 | #![feature(core_intrinsics)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:13:1 [INFO] [stdout] | [INFO] [stdout] 13 | #![feature(const_eval_select)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:14:1 [INFO] [stdout] | [INFO] [stdout] 14 | #![feature(const_deref)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:16:1 [INFO] [stdout] | [INFO] [stdout] 16 | #![feature(generic_const_exprs)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | #![feature(generic_const_exprs)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #76560 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [INFO] [stderr] thread 'rustc' panicked at /rustc-dev/1159e78c4747b02ef996e55082b704c09b970588/compiler/rustc_type_ir/src/binder.rs:764:9: [INFO] [stderr] type parameter `T/#1` (T/#1/1) out of range when instantiating, args=[?2t] [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x74aa2c200f83 - ::fmt::hdcfcb6d4c8489523 [INFO] [stderr] 1: 0x74aa2ca02d77 - core::fmt::write::h8a494366950f23bb [INFO] [stderr] 2: 0x74aa2ddd14d1 - std::io::Write::write_fmt::h6556609fca33d0b1 [INFO] [stderr] 3: 0x74aa2c200de2 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc [INFO] [stderr] 4: 0x74aa2c204887 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10 [INFO] [stderr] 5: 0x74aa2c2043eb - std::panicking::default_hook::h2c66fc99e962531d [INFO] [stderr] 6: 0x74aa2b2627e3 - std[9479b33d5e275715]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 7: 0x74aa2c2050ce - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d [INFO] [stderr] 8: 0x74aa2c204dca - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe [INFO] [stderr] 9: 0x74aa2c201459 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced [INFO] [stderr] 10: 0x74aa2c204aad - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind [INFO] [stderr] 11: 0x74aa288d01a0 - core::panicking::panic_fmt::h62f63d096dd276af [INFO] [stderr] 12: 0x74aa2b835d89 - >::type_param_out_of_range [INFO] [stderr] 13: 0x74aa2cab8ce5 - as rustc_type_ir[e11decee25f0b077]::fold::TypeFolder>::fold_ty [INFO] [stderr] 14: 0x74aa2cab438e - <&rustc_middle[581473cc959b0df7]::ty::list::RawList<(), rustc_middle[581473cc959b0df7]::ty::generic_args::GenericArg> as rustc_type_ir[e11decee25f0b077]::fold::TypeFoldable>::fold_with::> [INFO] [stderr] 15: 0x74aa2e8cf92b - as rustc_type_ir[e11decee25f0b077]::fold::TypeFolder>::fold_const.cold [INFO] [stderr] 16: 0x74aa2cc1ecb2 - rustc_trait_selection[6d7a3a0502c35771]::traits::project::confirm_candidate [INFO] [stderr] 17: 0x74aa2cc42dc4 - rustc_trait_selection[6d7a3a0502c35771]::traits::project::opt_normalize_projection_term [INFO] [stderr] 18: 0x74aa2cc4782f - ::commit_if_ok:: [INFO] [stderr] 19: 0x74aa2ca0877e - ::evaluate_predicate_recursively [INFO] [stderr] 20: 0x74aa2d76956f - ::candidate_from_obligation::{closure#0}::{closure#0} [INFO] [stderr] 21: 0x74aa2ca9c904 - ::poly_select::{closure#0} [INFO] [stderr] 22: 0x74aa2d26f531 - ::process_obligation [INFO] [stderr] 23: 0x74aa2ca05a42 - >::process_obligations:: [INFO] [stderr] 24: 0x74aa2d314c73 - as rustc_infer[b47835bb4f4f8057]::traits::engine::TraitEngine>::select_all_or_error [INFO] [stderr] 25: 0x74aa2dce2754 - rustc_hir_analysis[64676e49d1c8bee]::check::wfcheck::check_trait [INFO] [stderr] 26: 0x74aa2d32015e - rustc_hir_analysis[64676e49d1c8bee]::check::check::check_item_type [INFO] [stderr] 27: 0x74aa2d3166f5 - rustc_hir_analysis[64676e49d1c8bee]::check::wfcheck::check_well_formed [INFO] [stderr] 28: 0x74aa2d3166d7 - rustc_query_impl[4e8a788e737bdb2b]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 29: 0x74aa2d315f0c - rustc_query_system[5711f675e4c02644]::query::plumbing::try_execute_query::, rustc_query_system[5711f675e4c02644]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[4e8a788e737bdb2b]::plumbing::QueryCtxt, false> [INFO] [stderr] 30: 0x74aa2d315a42 - rustc_query_impl[4e8a788e737bdb2b]::query_impl::check_well_formed::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 31: 0x74aa2d3126a3 - rustc_hir_analysis[64676e49d1c8bee]::check::wfcheck::check_type_wf [INFO] [stderr] 32: 0x74aa2d31259d - rustc_query_impl[4e8a788e737bdb2b]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 33: 0x74aa2dad1dbc - rustc_query_system[5711f675e4c02644]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[4e8a788e737bdb2b]::plumbing::QueryCtxt, false> [INFO] [stderr] 34: 0x74aa2dad1bb6 - rustc_query_impl[4e8a788e737bdb2b]::query_impl::check_type_wf::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 35: 0x74aa2cbd4a79 - rustc_hir_analysis[64676e49d1c8bee]::check_crate [INFO] [stderr] 36: 0x74aa2cbd9004 - rustc_interface[c9c4c8df4db17049]::passes::analysis [INFO] [stderr] 37: 0x74aa2cbd8cc7 - rustc_query_impl[4e8a788e737bdb2b]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 38: 0x74aa2dad2b08 - rustc_query_system[5711f675e4c02644]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[4e8a788e737bdb2b]::plumbing::QueryCtxt, false> [INFO] [stderr] 39: 0x74aa2dad2776 - rustc_query_impl[4e8a788e737bdb2b]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 40: 0x74aa2de17e0b - rustc_interface[c9c4c8df4db17049]::passes::create_and_enter_global_ctxt::, rustc_driver_impl[773a1ede480c2143]::run_compiler::{closure#0}::{closure#2}>::{closure#2}::{closure#0} [INFO] [stderr] 41: 0x74aa2dcc11f1 - rustc_interface[c9c4c8df4db17049]::interface::run_compiler::<(), rustc_driver_impl[773a1ede480c2143]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 42: 0x74aa2db751c1 - std[9479b33d5e275715]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 43: 0x74aa2db74ea2 - <::spawn_unchecked_::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[42326c15e70145c1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 44: 0x74aa2db7a7c5 - std::sys::pal::unix::thread::Thread::new::thread_start::hb6e99e73da4d28f8 [INFO] [stderr] 45: 0x74aa2748aaa4 - [INFO] [stderr] 46: 0x74aa27517a34 - clone [INFO] [stderr] 47: 0x0 - [INFO] [stderr] [INFO] [stderr] error: the compiler unexpectedly panicked. this is a bug. [INFO] [stderr] [INFO] [stderr] note: using internal features is not supported and expected to cause internal compiler errors when used incorrectly [INFO] [stderr] [INFO] [stderr] note: rustc 1.90.0 (1159e78c4 2025-09-14) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] note: compiler flags: --crate-type lib -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 [check_well_formed] checking that `Same` is well-formed [INFO] [stderr] #1 [check_type_wf] checking that types are well-formed [INFO] [stderr] #2 [analysis] running analysis passes on this crate [INFO] [stderr] end of query stack [INFO] [stderr] [INFO] [stderr] thread 'rustc' panicked at /rustc-dev/1159e78c4747b02ef996e55082b704c09b970588/compiler/rustc_type_ir/src/binder.rs:764:9: [INFO] [stderr] type parameter `T/#1` (T/#1/1) out of range when instantiating, args=[?2t] [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x74aa2c200f83 - ::fmt::hdcfcb6d4c8489523 [INFO] [stderr] 1: 0x74aa2ca02d77 - core::fmt::write::h8a494366950f23bb [INFO] [stderr] 2: 0x74aa2ddd14d1 - std::io::Write::write_fmt::h6556609fca33d0b1 [INFO] [stderr] 3: 0x74aa2c200de2 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc [INFO] [stderr] 4: 0x74aa2c204887 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10 [INFO] [stderr] 5: 0x74aa2c2043eb - std::panicking::default_hook::h2c66fc99e962531d [INFO] [stderr] 6: 0x74aa2b2627e3 - std[9479b33d5e275715]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 7: 0x74aa2c2050ce - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d [INFO] [stderr] 8: 0x74aa2c204dca - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe [INFO] [stderr] 9: 0x74aa2c201459 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced [INFO] [stderr] 10: 0x74aa2c204aad - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind [INFO] [stderr] 11: 0x74aa288d01a0 - core::panicking::panic_fmt::h62f63d096dd276af [INFO] [stderr] 12: 0x74aa2b835d89 - >::type_param_out_of_range [INFO] [stderr] 13: 0x74aa2cab8ce5 - as rustc_type_ir[e11decee25f0b077]::fold::TypeFolder>::fold_ty [INFO] [stderr] 14: 0x74aa2cab438e - <&rustc_middle[581473cc959b0df7]::ty::list::RawList<(), rustc_middle[581473cc959b0df7]::ty::generic_args::GenericArg> as rustc_type_ir[e11decee25f0b077]::fold::TypeFoldable>::fold_with::> [INFO] [stderr] 15: 0x74aa2e8cf92b - as rustc_type_ir[e11decee25f0b077]::fold::TypeFolder>::fold_const.cold [INFO] [stderr] 16: 0x74aa2cc1ecb2 - rustc_trait_selection[6d7a3a0502c35771]::traits::project::confirm_candidate [INFO] [stderr] 17: 0x74aa2cc42dc4 - rustc_trait_selection[6d7a3a0502c35771]::traits::project::opt_normalize_projection_term [INFO] [stderr] 18: 0x74aa2cc4782f - ::commit_if_ok:: [INFO] [stderr] 19: 0x74aa2ca0877e - ::evaluate_predicate_recursively [INFO] [stderr] 20: 0x74aa2d76956f - ::candidate_from_obligation::{closure#0}::{closure#0} [INFO] [stderr] 21: 0x74aa2ca9c904 - ::poly_select::{closure#0} [INFO] [stderr] 22: 0x74aa2d26f531 - ::process_obligation [INFO] [stderr] 23: 0x74aa2ca05a42 - >::process_obligations:: [INFO] [stderr] 24: 0x74aa2d314c73 - as rustc_infer[b47835bb4f4f8057]::traits::engine::TraitEngine>::select_all_or_error [INFO] [stderr] 25: 0x74aa2dce2754 - rustc_hir_analysis[64676e49d1c8bee]::check::wfcheck::check_trait [INFO] [stderr] 26: 0x74aa2d32015e - rustc_hir_analysis[64676e49d1c8bee]::check::check::check_item_type [INFO] [stderr] 27: 0x74aa2d3166f5 - rustc_hir_analysis[64676e49d1c8bee]::check::wfcheck::check_well_formed [INFO] [stderr] 28: 0x74aa2d3166d7 - rustc_query_impl[4e8a788e737bdb2b]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 29: 0x74aa2d315f0c - rustc_query_system[5711f675e4c02644]::query::plumbing::try_execute_query::, rustc_query_system[5711f675e4c02644]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[4e8a788e737bdb2b]::plumbing::QueryCtxt, false> [INFO] [stderr] 30: 0x74aa2d315a42 - rustc_query_impl[4e8a788e737bdb2b]::query_impl::check_well_formed::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 31: 0x74aa2d3126a3 - rustc_hir_analysis[64676e49d1c8bee]::check::wfcheck::check_type_wf [INFO] [stderr] 32: 0x74aa2d31259d - rustc_query_impl[4e8a788e737bdb2b]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 33: 0x74aa2dad1dbc - rustc_query_system[5711f675e4c02644]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[4e8a788e737bdb2b]::plumbing::QueryCtxt, false> [INFO] [stderr] 34: 0x74aa2dad1bb6 - rustc_query_impl[4e8a788e737bdb2b]::query_impl::check_type_wf::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 35: 0x74aa2cbd4a79 - rustc_hir_analysis[64676e49d1c8bee]::check_crate [INFO] [stderr] 36: 0x74aa2cbd9004 - rustc_interface[c9c4c8df4db17049]::passes::analysis [INFO] [stderr] 37: 0x74aa2cbd8cc7 - rustc_query_impl[4e8a788e737bdb2b]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 38: 0x74aa2dad2b08 - rustc_query_system[5711f675e4c02644]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[4e8a788e737bdb2b]::plumbing::QueryCtxt, false> [INFO] [stderr] 39: 0x74aa2dad2776 - rustc_query_impl[4e8a788e737bdb2b]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 40: 0x74aa2de17e0b - rustc_interface[c9c4c8df4db17049]::passes::create_and_enter_global_ctxt::, rustc_driver_impl[773a1ede480c2143]::run_compiler::{closure#0}::{closure#2}>::{closure#2}::{closure#0} [INFO] [stderr] 41: 0x74aa2dcc11f1 - rustc_interface[c9c4c8df4db17049]::interface::run_compiler::<(), rustc_driver_impl[773a1ede480c2143]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 42: 0x74aa2db751c1 - std[9479b33d5e275715]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 43: 0x74aa2db74ea2 - <::spawn_unchecked_::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[42326c15e70145c1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 44: 0x74aa2db7a7c5 - std::sys::pal::unix::thread::Thread::new::thread_start::hb6e99e73da4d28f8 [INFO] [stderr] 45: 0x74aa2748aaa4 - [INFO] [stderr] 46: 0x74aa27517a34 - clone [INFO] [stderr] 47: 0x0 - [INFO] [stderr] [INFO] [stderr] error: the compiler unexpectedly panicked. this is a bug. [INFO] [stderr] [INFO] [stderr] note: using internal features is not supported and expected to cause internal compiler errors when used incorrectly [INFO] [stderr] [INFO] [stderr] note: rustc 1.90.0 (1159e78c4 2025-09-14) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] note: compiler flags: --crate-type lib -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 [check_well_formed] checking that `private::Same` is well-formed [INFO] [stderr] #1 [check_type_wf] checking that types are well-formed [INFO] [stderr] #2 [analysis] running analysis passes on this crate [INFO] [stderr] end of query stack [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `option_trait` (lib) due to 13 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "6d2346a9b666a87085e51ff95fed8418ac47f891f730d565b8a1d03a9da8f176", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6d2346a9b666a87085e51ff95fed8418ac47f891f730d565b8a1d03a9da8f176", kill_on_drop: false }` [INFO] [stdout] 6d2346a9b666a87085e51ff95fed8418ac47f891f730d565b8a1d03a9da8f176