[INFO] fetching crate option_trait 1.0.7... [INFO] building option_trait-1.0.7 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1 [INFO] extracting crate option_trait 1.0.7 into /workspace/builds/worker-6-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-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate option_trait 1.0.7 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a8af0a71320a4c4255639cae59178f3c6931fe866e59d09ca52232f60a7b8b6f [INFO] running `Command { std: "docker" "start" "-a" "a8af0a71320a4c4255639cae59178f3c6931fe866e59d09ca52232f60a7b8b6f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a8af0a71320a4c4255639cae59178f3c6931fe866e59d09ca52232f60a7b8b6f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a8af0a71320a4c4255639cae59178f3c6931fe866e59d09ca52232f60a7b8b6f", kill_on_drop: false }` [INFO] [stdout] a8af0a71320a4c4255639cae59178f3c6931fe866e59d09ca52232f60a7b8b6f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 965f5f4e435e7e3f0e8f25504acc2c7a281a290c019b71b4b0f65ff432d52415 [INFO] running `Command { std: "docker" "start" "-a" "965f5f4e435e7e3f0e8f25504acc2c7a281a290c019b71b4b0f65ff432d52415", kill_on_drop: false }` [INFO] [stderr] Compiling moddef v0.2.6 [INFO] [stderr] Compiling option_trait v1.0.7 (/opt/rustwide/workdir) [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] [stdout] error[E0635]: unknown feature `const_deref` [INFO] [stdout] --> src/lib.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | #![feature(const_deref)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable const library feature `const_convert` [INFO] [stdout] --> src/opt_cell.rs:1636:15 [INFO] [stdout] | [INFO] [stdout] 1636 | impl const Deref for OptCell [INFO] [stdout] | ^^^^^ trait is not stable as const yet [INFO] [stdout] | [INFO] [stdout] = note: see issue #143773 for more information [INFO] [stdout] = help: add `#![feature(const_convert)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-09-05; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable const library feature `const_convert` [INFO] [stdout] --> src/opt_cell.rs:1645:15 [INFO] [stdout] | [INFO] [stdout] 1645 | impl const DerefMut for OptCell [INFO] [stdout] | ^^^^^^^^ trait is not stable as const yet [INFO] [stdout] | [INFO] [stdout] = note: see issue #143773 for more information [INFO] [stdout] = help: add `#![feature(const_convert)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-09-05; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable const library feature `const_convert` [INFO] [stdout] --> src/opt_cell.rs:1095:19 [INFO] [stdout] | [INFO] [stdout] 1095 | T: ~const Deref + 'a [INFO] [stdout] | ------ ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | trait is not stable as const yet [INFO] [stdout] | [INFO] [stdout] = note: see issue #143773 for more information [INFO] [stdout] = help: add `#![feature(const_convert)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-09-05; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable const library feature `const_convert` [INFO] [stdout] --> src/opt_cell.rs:1124:19 [INFO] [stdout] | [INFO] [stdout] 1124 | T: ~const DerefMut + 'a [INFO] [stdout] | ------ ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | trait is not stable as const yet [INFO] [stdout] | [INFO] [stdout] = note: see issue #143773 for more information [INFO] [stdout] = help: add `#![feature(const_convert)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-09-05; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [INFO] [stderr] thread 'rustc' (27) panicked at /rustc-dev/ad85bc524b1ad696e42061ad8338d382dffbdbe5/compiler/rustc_type_ir/src/binder.rs:776:9: [INFO] [stderr] type parameter `T/#1` (T/#1/1) out of range when instantiating, args=[?2t] [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7db691877ee2 - ::fmt::h427144ad75cfb218 [INFO] [stderr] 1: 0x7db69200c5bc - core::fmt::write::h593aaf5adf0f5dae [INFO] [stderr] 2: 0x7db69182c011 - std::io::Write::write_fmt::h6e02e29a2bcc97c1 [INFO] [stderr] 3: 0x7db69183d7e2 - std::sys::backtrace::BacktraceLock::print::h3953113552dca3ca [INFO] [stderr] 4: 0x7db691843ab7 - std::panicking::default_hook::{{closure}}::h486b96ad75eafbb8 [INFO] [stderr] 5: 0x7db6918435c3 - std::panicking::default_hook::h99456317c5a1a20c [INFO] [stderr] 6: 0x7db690865db1 - std[9e0c03d3291b55ba]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 7: 0x7db691843fbf - std::panicking::panic_with_hook::h67ab0df20212e4ea [INFO] [stderr] 8: 0x7db691843d6a - std::panicking::panic_handler::{{closure}}::hc9e4a933ae92e208 [INFO] [stderr] 9: 0x7db69183d929 - std::sys::backtrace::__rust_end_short_backtrace::hbfa72df9b68c2d19 [INFO] [stderr] 10: 0x7db69181d49d - __rustc[8cce077e14951490]::rust_begin_unwind [INFO] [stderr] 11: 0x7db68ea545f0 - core::panicking::panic_fmt::h49931053d20abf41 [INFO] [stderr] 12: 0x7db690e79b89 - >::type_param_out_of_range [INFO] [stderr] 13: 0x7db692108866 - as rustc_type_ir[e369acc2051eebab]::fold::TypeFolder>::fold_ty [INFO] [stderr] 14: 0x7db692104050 - <&rustc_middle[96aee58410649a71]::ty::list::RawList<(), rustc_middle[96aee58410649a71]::ty::generic_args::GenericArg> as rustc_type_ir[e369acc2051eebab]::fold::TypeFoldable>::fold_with::> [INFO] [stderr] 15: 0x7db693ea547b - as rustc_type_ir[e369acc2051eebab]::fold::TypeFolder>::fold_const.cold [INFO] [stderr] 16: 0x7db6924da836 - rustc_trait_selection[faa0d15fc4fd73f6]::traits::project::confirm_candidate [INFO] [stderr] 17: 0x7db6924e53db - rustc_trait_selection[faa0d15fc4fd73f6]::traits::project::opt_normalize_projection_term [INFO] [stderr] 18: 0x7db6924e2b19 - ::commit_if_ok:: [INFO] [stderr] 19: 0x7db69200d693 - ::evaluate_predicate_recursively [INFO] [stderr] 20: 0x7db6920a5cc1 - ::candidate_from_obligation::{closure#0}::{closure#0} [INFO] [stderr] 21: 0x7db6920e38a4 - ::poly_select::{closure#0} [INFO] [stderr] 22: 0x7db692a61932 - ::process_obligation [INFO] [stderr] 23: 0x7db69200454f - >::process_obligations:: [INFO] [stderr] 24: 0x7db69270fdaa - as rustc_infer[a9719be8c922313f]::traits::engine::TraitEngine>::select_all_or_error [INFO] [stderr] 25: 0x7db6934338a7 - rustc_hir_analysis[562c7f26ed4913c3]::check::wfcheck::check_trait [INFO] [stderr] 26: 0x7db692a4c6bf - rustc_hir_analysis[562c7f26ed4913c3]::check::check::check_item_type [INFO] [stderr] 27: 0x7db692a439e7 - rustc_hir_analysis[562c7f26ed4913c3]::check::wfcheck::check_well_formed [INFO] [stderr] 28: 0x7db692a439c9 - rustc_query_impl[c5da8cba9f6f2703]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 29: 0x7db692a43209 - rustc_query_system[15064209a99247ef]::query::plumbing::try_execute_query::, rustc_query_system[15064209a99247ef]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[c5da8cba9f6f2703]::plumbing::QueryCtxt, false> [INFO] [stderr] 30: 0x7db692a42d16 - rustc_query_impl[c5da8cba9f6f2703]::query_impl::check_well_formed::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 31: 0x7db692a3efef - rustc_hir_analysis[562c7f26ed4913c3]::check::wfcheck::check_type_wf [INFO] [stderr] 32: 0x7db692a3eefb - rustc_query_impl[c5da8cba9f6f2703]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 33: 0x7db6930c7060 - rustc_query_system[15064209a99247ef]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[c5da8cba9f6f2703]::plumbing::QueryCtxt, false> [INFO] [stderr] 34: 0x7db6930c6e42 - rustc_query_impl[c5da8cba9f6f2703]::query_impl::check_type_wf::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 35: 0x7db69284ecdb - rustc_hir_analysis[562c7f26ed4913c3]::check_crate [INFO] [stderr] 36: 0x7db6921ef340 - rustc_interface[1cfc5bcce86c5290]::passes::analysis [INFO] [stderr] 37: 0x7db6921ef00d - rustc_query_impl[c5da8cba9f6f2703]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 38: 0x7db6930cdd48 - rustc_query_system[15064209a99247ef]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[c5da8cba9f6f2703]::plumbing::QueryCtxt, false> [INFO] [stderr] 39: 0x7db6930cd982 - rustc_query_impl[c5da8cba9f6f2703]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 40: 0x7db69321a4b6 - rustc_interface[1cfc5bcce86c5290]::passes::create_and_enter_global_ctxt::, rustc_driver_impl[946d990589dc1fa0]::run_compiler::{closure#0}::{closure#2}>::{closure#2}::{closure#0} [INFO] [stderr] 41: 0x7db693245745 - rustc_interface[1cfc5bcce86c5290]::interface::run_compiler::<(), rustc_driver_impl[946d990589dc1fa0]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 42: 0x7db6931bd503 - std[9e0c03d3291b55ba]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 43: 0x7db6931bd1c8 - <::spawn_unchecked_::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[cff83d31b4830cc]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 44: 0x7db6931c372f - std::sys::pal::unix::thread::Thread::new::thread_start::h135087e7c97657bc [INFO] [stderr] 45: 0x7db68ca8aaa4 - [INFO] [stderr] 46: 0x7db68cb17a34 - 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] warning: the ICE couldn't be written to `/opt/rustwide/workdir/rustc-ice-2025-09-28T00_49_20-25.txt`: Read-only file system (os error 30) [INFO] [stderr] [INFO] [stderr] note: rustc 1.91.0-nightly (ad85bc524 2025-09-05) 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' (27) panicked at /rustc-dev/ad85bc524b1ad696e42061ad8338d382dffbdbe5/compiler/rustc_type_ir/src/binder.rs:776:9: [INFO] [stderr] type parameter `T/#1` (T/#1/1) out of range when instantiating, args=[?2t] [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7db691877ee2 - ::fmt::h427144ad75cfb218 [INFO] [stderr] 1: 0x7db69200c5bc - core::fmt::write::h593aaf5adf0f5dae [INFO] [stderr] 2: 0x7db69182c011 - std::io::Write::write_fmt::h6e02e29a2bcc97c1 [INFO] [stderr] 3: 0x7db69183d7e2 - std::sys::backtrace::BacktraceLock::print::h3953113552dca3ca [INFO] [stderr] 4: 0x7db691843ab7 - std::panicking::default_hook::{{closure}}::h486b96ad75eafbb8 [INFO] [stderr] 5: 0x7db6918435c3 - std::panicking::default_hook::h99456317c5a1a20c [INFO] [stderr] 6: 0x7db690865db1 - std[9e0c03d3291b55ba]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 7: 0x7db691843fbf - std::panicking::panic_with_hook::h67ab0df20212e4ea [INFO] [stderr] 8: 0x7db691843d6a - std::panicking::panic_handler::{{closure}}::hc9e4a933ae92e208 [INFO] [stderr] 9: 0x7db69183d929 - std::sys::backtrace::__rust_end_short_backtrace::hbfa72df9b68c2d19 [INFO] [stderr] 10: 0x7db69181d49d - __rustc[8cce077e14951490]::rust_begin_unwind [INFO] [stderr] 11: 0x7db68ea545f0 - core::panicking::panic_fmt::h49931053d20abf41 [INFO] [stderr] 12: 0x7db690e79b89 - >::type_param_out_of_range [INFO] [stderr] 13: 0x7db692108866 - as rustc_type_ir[e369acc2051eebab]::fold::TypeFolder>::fold_ty [INFO] [stderr] 14: 0x7db692104050 - <&rustc_middle[96aee58410649a71]::ty::list::RawList<(), rustc_middle[96aee58410649a71]::ty::generic_args::GenericArg> as rustc_type_ir[e369acc2051eebab]::fold::TypeFoldable>::fold_with::> [INFO] [stderr] 15: 0x7db693ea547b - as rustc_type_ir[e369acc2051eebab]::fold::TypeFolder>::fold_const.cold [INFO] [stderr] 16: 0x7db6924da836 - rustc_trait_selection[faa0d15fc4fd73f6]::traits::project::confirm_candidate [INFO] [stderr] 17: 0x7db6924e53db - rustc_trait_selection[faa0d15fc4fd73f6]::traits::project::opt_normalize_projection_term [INFO] [stderr] 18: 0x7db6924e2b19 - ::commit_if_ok:: [INFO] [stderr] 19: 0x7db69200d693 - ::evaluate_predicate_recursively [INFO] [stderr] 20: 0x7db6920a5cc1 - ::candidate_from_obligation::{closure#0}::{closure#0} [INFO] [stderr] 21: 0x7db6920e38a4 - ::poly_select::{closure#0} [INFO] [stderr] 22: 0x7db692a61932 - ::process_obligation [INFO] [stderr] 23: 0x7db69200454f - >::process_obligations:: [INFO] [stderr] 24: 0x7db69270fdaa - as rustc_infer[a9719be8c922313f]::traits::engine::TraitEngine>::select_all_or_error [INFO] [stderr] 25: 0x7db6934338a7 - rustc_hir_analysis[562c7f26ed4913c3]::check::wfcheck::check_trait [INFO] [stderr] 26: 0x7db692a4c6bf - rustc_hir_analysis[562c7f26ed4913c3]::check::check::check_item_type [INFO] [stderr] 27: 0x7db692a439e7 - rustc_hir_analysis[562c7f26ed4913c3]::check::wfcheck::check_well_formed [INFO] [stderr] 28: 0x7db692a439c9 - rustc_query_impl[c5da8cba9f6f2703]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 29: 0x7db692a43209 - rustc_query_system[15064209a99247ef]::query::plumbing::try_execute_query::, rustc_query_system[15064209a99247ef]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[c5da8cba9f6f2703]::plumbing::QueryCtxt, false> [INFO] [stderr] 30: 0x7db692a42d16 - rustc_query_impl[c5da8cba9f6f2703]::query_impl::check_well_formed::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 31: 0x7db692a3efef - rustc_hir_analysis[562c7f26ed4913c3]::check::wfcheck::check_type_wf [INFO] [stderr] 32: 0x7db692a3eefb - rustc_query_impl[c5da8cba9f6f2703]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 33: 0x7db6930c7060 - rustc_query_system[15064209a99247ef]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[c5da8cba9f6f2703]::plumbing::QueryCtxt, false> [INFO] [stderr] 34: 0x7db6930c6e42 - rustc_query_impl[c5da8cba9f6f2703]::query_impl::check_type_wf::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 35: 0x7db69284ecdb - rustc_hir_analysis[562c7f26ed4913c3]::check_crate [INFO] [stderr] 36: 0x7db6921ef340 - rustc_interface[1cfc5bcce86c5290]::passes::analysis [INFO] [stderr] 37: 0x7db6921ef00d - rustc_query_impl[c5da8cba9f6f2703]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 38: 0x7db6930cdd48 - rustc_query_system[15064209a99247ef]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[c5da8cba9f6f2703]::plumbing::QueryCtxt, false> [INFO] [stderr] 39: 0x7db6930cd982 - rustc_query_impl[c5da8cba9f6f2703]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 40: 0x7db69321a4b6 - rustc_interface[1cfc5bcce86c5290]::passes::create_and_enter_global_ctxt::, rustc_driver_impl[946d990589dc1fa0]::run_compiler::{closure#0}::{closure#2}>::{closure#2}::{closure#0} [INFO] [stderr] 41: 0x7db693245745 - rustc_interface[1cfc5bcce86c5290]::interface::run_compiler::<(), rustc_driver_impl[946d990589dc1fa0]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 42: 0x7db6931bd503 - std[9e0c03d3291b55ba]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 43: 0x7db6931bd1c8 - <::spawn_unchecked_::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[cff83d31b4830cc]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 44: 0x7db6931c372f - std::sys::pal::unix::thread::Thread::new::thread_start::h135087e7c97657bc [INFO] [stderr] 45: 0x7db68ca8aaa4 - [INFO] [stderr] 46: 0x7db68cb17a34 - clone [INFO] [stderr] 47: 0x0 - [INFO] [stderr] [INFO] [stderr] error: the compiler unexpectedly panicked. this is a bug. [INFO] [stdout] Some errors have detailed explanations: E0635, E0658. [INFO] [stdout] [INFO] [stderr] [INFO] [stdout] For more information about an error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stderr] note: using internal features is not supported and expected to cause internal compiler errors when used incorrectly [INFO] [stderr] [INFO] [stderr] warning: the ICE couldn't be written to `/opt/rustwide/workdir/rustc-ice-2025-09-28T00_49_20-25.txt`: Read-only file system (os error 30) [INFO] [stderr] [INFO] [stderr] note: rustc 1.91.0-nightly (ad85bc524 2025-09-05) 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] [stderr] error: could not compile `option_trait` (lib) due to 5 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "965f5f4e435e7e3f0e8f25504acc2c7a281a290c019b71b4b0f65ff432d52415", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "965f5f4e435e7e3f0e8f25504acc2c7a281a290c019b71b4b0f65ff432d52415", kill_on_drop: false }` [INFO] [stdout] 965f5f4e435e7e3f0e8f25504acc2c7a281a290c019b71b4b0f65ff432d52415