[INFO] fetching crate option_trait 1.0.7... [INFO] testing option_trait-1.0.7 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1 [INFO] extracting crate option_trait 1.0.7 into /workspace/builds/worker-4-tc2/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-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate option_trait 1.0.7 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b147a3afa540d2b6f5882e7b67da55bde28fa7762a506ecceec2442da138c30a [INFO] running `Command { std: "docker" "start" "-a" "b147a3afa540d2b6f5882e7b67da55bde28fa7762a506ecceec2442da138c30a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b147a3afa540d2b6f5882e7b67da55bde28fa7762a506ecceec2442da138c30a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b147a3afa540d2b6f5882e7b67da55bde28fa7762a506ecceec2442da138c30a", kill_on_drop: false }` [INFO] [stdout] b147a3afa540d2b6f5882e7b67da55bde28fa7762a506ecceec2442da138c30a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 638c67c9b6134b4ddc19ac7b8955fcf5ba1a17ca9c74863f287e224343d532c8 [INFO] running `Command { std: "docker" "start" "-a" "638c67c9b6134b4ddc19ac7b8955fcf5ba1a17ca9c74863f287e224343d532c8", 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] [stderr] [INFO] [stderr] thread 'rustc' (35) panicked at /rustc-dev/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/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: 0x7e1aabbee8e3 - ::fmt::h4ee3a75aa71a2c45 [INFO] [stderr] 1: 0x7e1aac401c3c - core::fmt::write::h21ca93b65a7c281a [INFO] [stderr] 2: 0x7e1aabbd9573 - std::io::Write::write_fmt::hfc56e66d6e189682 [INFO] [stderr] 3: 0x7e1aabbeeed2 - std::sys::backtrace::BacktraceLock::print::h58d5d73f9e953cf1 [INFO] [stderr] 4: 0x7e1aabbd0b0c - std::panicking::default_hook::{{closure}}::h1457fbe47c9457d1 [INFO] [stderr] 5: 0x7e1aabbd0638 - std::panicking::default_hook::hccb5e73b206c0830 [INFO] [stderr] 6: 0x7e1aaac51155 - std[ab536537f3ce4e95]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 7: 0x7e1aabbd1883 - std::panicking::panic_with_hook::h3190ecc6229cdd29 [INFO] [stderr] 8: 0x7e1aabbeecfa - std::panicking::panic_handler::{{closure}}::ha1f1b769bc2bb40c [INFO] [stderr] 9: 0x7e1aabbeec59 - std::sys::backtrace::__rust_end_short_backtrace::h5f9cf66f19c2a172 [INFO] [stderr] 10: 0x7e1aabbd156d - __rustc[a93bd50104b99ad4]::rust_begin_unwind [INFO] [stderr] 11: 0x7e1aa82d74d0 - core::panicking::panic_fmt::hc70c3c83f13c1375 [INFO] [stderr] 12: 0x7e1aab247919 - >::type_param_out_of_range [INFO] [stderr] 13: 0x7e1aac4c1f19 - as rustc_type_ir[ea8266af1d67af6e]::fold::TypeFolder>::fold_ty [INFO] [stderr] 14: 0x7e1aac4be30e - <&rustc_middle[14beee7158743fd0]::ty::list::RawList<(), rustc_middle[14beee7158743fd0]::ty::generic_args::GenericArg> as rustc_type_ir[ea8266af1d67af6e]::fold::TypeFoldable>::fold_with::> [INFO] [stderr] 15: 0x7e1aadc902ab - as rustc_type_ir[ea8266af1d67af6e]::fold::TypeFolder>::fold_const.cold [INFO] [stderr] 16: 0x7e1aac6c16f5 - rustc_trait_selection[60fd279994c4dbc]::traits::project::confirm_candidate [INFO] [stderr] 17: 0x7e1aac6cc24a - rustc_trait_selection[60fd279994c4dbc]::traits::project::opt_normalize_projection_term [INFO] [stderr] 18: 0x7e1aac6c826f - ::commit_if_ok:: [INFO] [stderr] 19: 0x7e1aac407986 - ::evaluate_predicate_recursively [INFO] [stderr] 20: 0x7e1aac46871a - ::candidate_from_obligation::{closure#0}::{closure#0} [INFO] [stderr] 21: 0x7e1aad6d01d7 - ::poly_select::{closure#0} [INFO] [stderr] 22: 0x7e1aacbef0e5 - ::process_obligation [INFO] [stderr] 23: 0x7e1aac404f89 - >::process_obligations:: [INFO] [stderr] 24: 0x7e1aaccbdc27 - as rustc_infer[32ffd2232c6c9da8]::traits::engine::TraitEngine>::select_all_or_error [INFO] [stderr] 25: 0x7e1aacca4505 - rustc_hir_analysis[7ff35c155740b59c]::check::wfcheck::check_trait [INFO] [stderr] 26: 0x7e1aacb2acb7 - rustc_hir_analysis[7ff35c155740b59c]::check::check::check_item_type [INFO] [stderr] 27: 0x7e1aacb21f67 - rustc_hir_analysis[7ff35c155740b59c]::check::wfcheck::check_well_formed [INFO] [stderr] 28: 0x7e1aacb21f49 - rustc_query_impl[3c920be5f4317ccf]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 29: 0x7e1aacb21789 - rustc_query_system[8019e10397fbc7e2]::query::plumbing::try_execute_query::, rustc_query_system[8019e10397fbc7e2]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[3c920be5f4317ccf]::plumbing::QueryCtxt, false> [INFO] [stderr] 30: 0x7e1aacb21296 - rustc_query_impl[3c920be5f4317ccf]::query_impl::check_well_formed::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 31: 0x7e1aacb1e9af - rustc_hir_analysis[7ff35c155740b59c]::check::wfcheck::check_type_wf [INFO] [stderr] 32: 0x7e1aacb1e8c9 - rustc_query_impl[3c920be5f4317ccf]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 33: 0x7e1aad4b31d4 - rustc_query_system[8019e10397fbc7e2]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[3c920be5f4317ccf]::plumbing::QueryCtxt, false> [INFO] [stderr] 34: 0x7e1aad4b2fb6 - rustc_query_impl[3c920be5f4317ccf]::query_impl::check_type_wf::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 35: 0x7e1aac71a55d - rustc_hir_analysis[7ff35c155740b59c]::check_crate [INFO] [stderr] 36: 0x7e1aac70e14a - rustc_interface[4782dcb0b1aa532c]::passes::analysis [INFO] [stderr] 37: 0x7e1aac70de0d - rustc_query_impl[3c920be5f4317ccf]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 38: 0x7e1aad4b3f20 - rustc_query_system[8019e10397fbc7e2]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[3c920be5f4317ccf]::plumbing::QueryCtxt, false> [INFO] [stderr] 39: 0x7e1aad4b3b76 - rustc_query_impl[3c920be5f4317ccf]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 40: 0x7e1aad5c280b - rustc_interface[4782dcb0b1aa532c]::passes::create_and_enter_global_ctxt::, rustc_driver_impl[2eae9db39cbc8090]::run_compiler::{closure#0}::{closure#2}>::{closure#2}::{closure#0} [INFO] [stderr] 41: 0x7e1aad6823aa - rustc_interface[4782dcb0b1aa532c]::interface::run_compiler::<(), rustc_driver_impl[2eae9db39cbc8090]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 42: 0x7e1aad55d47b - std[ab536537f3ce4e95]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 43: 0x7e1aad55d154 - <::spawn_unchecked_::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[37e99982163edfeb]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 44: 0x7e1aad55900b - std::sys::pal::unix::thread::Thread::new::thread_start::h92caa992bc760789 [INFO] [stderr] 45: 0x7e1aa6e8aaa4 - [INFO] [stderr] 46: 0x7e1aa6f17a34 - 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-2025-10-02T04_05_07-31.txt`: Read-only file system (os error 30) [INFO] [stderr] [INFO] [stderr] note: rustc 1.91.0-nightly (b6ae10aa7 2025-08-13) 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' (35) panicked at /rustc-dev/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/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: 0x7e1aabbee8e3 - ::fmt::h4ee3a75aa71a2c45 [INFO] [stderr] 1: 0x7e1aac401c3c - core::fmt::write::h21ca93b65a7c281a [INFO] [stderr] 2: 0x7e1aabbd9573 - std::io::Write::write_fmt::hfc56e66d6e189682 [INFO] [stderr] 3: 0x7e1aabbeeed2 - std::sys::backtrace::BacktraceLock::print::h58d5d73f9e953cf1 [INFO] [stderr] 4: 0x7e1aabbd0b0c - std::panicking::default_hook::{{closure}}::h1457fbe47c9457d1 [INFO] [stderr] 5: 0x7e1aabbd0638 - std::panicking::default_hook::hccb5e73b206c0830 [INFO] [stderr] 6: 0x7e1aaac51155 - std[ab536537f3ce4e95]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 7: 0x7e1aabbd1883 - std::panicking::panic_with_hook::h3190ecc6229cdd29 [INFO] [stderr] 8: 0x7e1aabbeecfa - std::panicking::panic_handler::{{closure}}::ha1f1b769bc2bb40c [INFO] [stderr] 9: 0x7e1aabbeec59 - std::sys::backtrace::__rust_end_short_backtrace::h5f9cf66f19c2a172 [INFO] [stderr] 10: 0x7e1aabbd156d - __rustc[a93bd50104b99ad4]::rust_begin_unwind [INFO] [stderr] 11: 0x7e1aa82d74d0 - core::panicking::panic_fmt::hc70c3c83f13c1375 [INFO] [stderr] 12: 0x7e1aab247919 - >::type_param_out_of_range [INFO] [stderr] 13: 0x7e1aac4c1f19 - as rustc_type_ir[ea8266af1d67af6e]::fold::TypeFolder>::fold_ty [INFO] [stderr] 14: 0x7e1aac4be30e - <&rustc_middle[14beee7158743fd0]::ty::list::RawList<(), rustc_middle[14beee7158743fd0]::ty::generic_args::GenericArg> as rustc_type_ir[ea8266af1d67af6e]::fold::TypeFoldable>::fold_with::> [INFO] [stderr] 15: 0x7e1aadc902ab - as rustc_type_ir[ea8266af1d67af6e]::fold::TypeFolder>::fold_const.cold [INFO] [stderr] 16: 0x7e1aac6c16f5 - rustc_trait_selection[60fd279994c4dbc]::traits::project::confirm_candidate [INFO] [stderr] 17: 0x7e1aac6cc24a - rustc_trait_selection[60fd279994c4dbc]::traits::project::opt_normalize_projection_term [INFO] [stderr] 18: 0x7e1aac6c826f - ::commit_if_ok:: [INFO] [stderr] 19: 0x7e1aac407986 - ::evaluate_predicate_recursively [INFO] [stderr] 20: 0x7e1aac46871a - ::candidate_from_obligation::{closure#0}::{closure#0} [INFO] [stderr] 21: 0x7e1aad6d01d7 - ::poly_select::{closure#0} [INFO] [stderr] 22: 0x7e1aacbef0e5 - ::process_obligation [INFO] [stderr] 23: 0x7e1aac404f89 - >::process_obligations:: [INFO] [stderr] 24: 0x7e1aaccbdc27 - as rustc_infer[32ffd2232c6c9da8]::traits::engine::TraitEngine>::select_all_or_error [INFO] [stderr] 25: 0x7e1aacca4505 - rustc_hir_analysis[7ff35c155740b59c]::check::wfcheck::check_trait [INFO] [stderr] 26: 0x7e1aacb2acb7 - rustc_hir_analysis[7ff35c155740b59c]::check::check::check_item_type [INFO] [stderr] 27: 0x7e1aacb21f67 - rustc_hir_analysis[7ff35c155740b59c]::check::wfcheck::check_well_formed [INFO] [stderr] 28: 0x7e1aacb21f49 - rustc_query_impl[3c920be5f4317ccf]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 29: 0x7e1aacb21789 - rustc_query_system[8019e10397fbc7e2]::query::plumbing::try_execute_query::, rustc_query_system[8019e10397fbc7e2]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[3c920be5f4317ccf]::plumbing::QueryCtxt, false> [INFO] [stderr] 30: 0x7e1aacb21296 - rustc_query_impl[3c920be5f4317ccf]::query_impl::check_well_formed::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 31: 0x7e1aacb1e9af - rustc_hir_analysis[7ff35c155740b59c]::check::wfcheck::check_type_wf [INFO] [stderr] 32: 0x7e1aacb1e8c9 - rustc_query_impl[3c920be5f4317ccf]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 33: 0x7e1aad4b31d4 - rustc_query_system[8019e10397fbc7e2]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[3c920be5f4317ccf]::plumbing::QueryCtxt, false> [INFO] [stderr] 34: 0x7e1aad4b2fb6 - rustc_query_impl[3c920be5f4317ccf]::query_impl::check_type_wf::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 35: 0x7e1aac71a55d - rustc_hir_analysis[7ff35c155740b59c]::check_crate [INFO] [stderr] 36: 0x7e1aac70e14a - rustc_interface[4782dcb0b1aa532c]::passes::analysis [INFO] [stderr] 37: 0x7e1aac70de0d - rustc_query_impl[3c920be5f4317ccf]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 38: 0x7e1aad4b3f20 - rustc_query_system[8019e10397fbc7e2]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[3c920be5f4317ccf]::plumbing::QueryCtxt, false> [INFO] [stderr] 39: 0x7e1aad4b3b76 - rustc_query_impl[3c920be5f4317ccf]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 40: 0x7e1aad5c280b - rustc_interface[4782dcb0b1aa532c]::passes::create_and_enter_global_ctxt::, rustc_driver_impl[2eae9db39cbc8090]::run_compiler::{closure#0}::{closure#2}>::{closure#2}::{closure#0} [INFO] [stderr] 41: 0x7e1aad6823aa - rustc_interface[4782dcb0b1aa532c]::interface::run_compiler::<(), rustc_driver_impl[2eae9db39cbc8090]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 42: 0x7e1aad55d47b - std[ab536537f3ce4e95]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 43: 0x7e1aad55d154 - <::spawn_unchecked_::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[37e99982163edfeb]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 44: 0x7e1aad55900b - std::sys::pal::unix::thread::Thread::new::thread_start::h92caa992bc760789 [INFO] [stderr] 45: 0x7e1aa6e8aaa4 - [INFO] [stderr] 46: 0x7e1aa6f17a34 - 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-2025-10-02T04_05_07-31.txt`: Read-only file system (os error 30) [INFO] [stderr] [INFO] [stderr] note: rustc 1.91.0-nightly (b6ae10aa7 2025-08-13) 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); 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/bin/rustc --crate-name option_trait --edition=2021 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="opt_cell"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "opt_cell"))' -C metadata=22e4ecb5f95a9241 -C extra-filename=-8b26c61bb4412932 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern moddef=/opt/rustwide/target/debug/deps/libmoddef-fe35e6d5d68d4e43.rmeta --cap-lints=forbid` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "638c67c9b6134b4ddc19ac7b8955fcf5ba1a17ca9c74863f287e224343d532c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "638c67c9b6134b4ddc19ac7b8955fcf5ba1a17ca9c74863f287e224343d532c8", kill_on_drop: false }` [INFO] [stdout] 638c67c9b6134b4ddc19ac7b8955fcf5ba1a17ca9c74863f287e224343d532c8