[INFO] cloning repository https://github.com/Bruce0203/serialization
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bruce0203/serialization" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBruce0203%2Fserialization", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBruce0203%2Fserialization'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b394ad4eedb70e7791486f7d378fa4682de81522
[INFO] checking Bruce0203/serialization against master#ab1d2444533d829e2d5cff6634cd3c70de6d7103 for pr-147841
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBruce0203%2Fserialization" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/Bruce0203/serialization
[INFO] finished tweaking git repo https://github.com/Bruce0203/serialization
[INFO] tweaked toml for git repo https://github.com/Bruce0203/serialization written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Bruce0203/serialization on toolchain ab1d2444533d829e2d5cff6634cd3c70de6d7103
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab1d2444533d829e2d5cff6634cd3c70de6d7103" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab1d2444533d829e2d5cff6634cd3c70de6d7103" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 90 packages to latest compatible versions
[INFO] [stderr]       Adding derive_more v1.0.0 (available: v2.0.1)
[INFO] [stderr]       Adding fastbuf v0.28.0 (available: v0.44.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab1d2444533d829e2d5cff6634cd3c70de6d7103" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-2-tc1/source/serialization_minecraft/Cargo.toml: unused manifest key: package.author
[INFO] [stderr] warning: /workspace/builds/worker-2-tc1/source/Cargo.toml: unused manifest key: package.author
[INFO] [stderr] warning: /workspace/builds/worker-2-tc1/source/Cargo.toml: unused manifest key: workspace.package.author
[INFO] [stderr] warning: /workspace/builds/worker-2-tc1/source/impl/Cargo.toml: unused manifest key: package.author
[INFO] [stderr] warning: /workspace/builds/worker-2-tc1/source/serialization_nbt/Cargo.toml: unused manifest key: feaeures
[INFO] [stderr] warning: /workspace/builds/worker-2-tc1/source/serialization_nbt/Cargo.toml: unused manifest key: package.author
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ptr_meta v0.3.1
[INFO] [stderr]   Downloaded bytecheck v0.8.2
[INFO] [stderr]   Downloaded fastvarint v0.22.0
[INFO] [stderr]   Downloaded concat-idents v1.1.5
[INFO] [stderr]   Downloaded rend v0.5.3
[INFO] [stderr]   Downloaded rancor v0.1.1
[INFO] [stderr]   Downloaded rkyv_derive v0.8.12
[INFO] [stderr]   Downloaded concat-idents-bruce0203 v1.1.6
[INFO] [stderr]   Downloaded bitcode_derive v0.6.7
[INFO] [stderr]   Downloaded constvec v0.1.14
[INFO] [stderr]   Downloaded terminal_size v0.4.3
[INFO] [stderr]   Downloaded bytecheck_derive v0.8.2
[INFO] [stderr]   Downloaded munge_macro v0.4.7
[INFO] [stderr]   Downloaded munge v0.4.7
[INFO] [stderr]   Downloaded bitcode v0.6.7
[INFO] [stderr]   Downloaded ptr_meta_derive v0.3.1
[INFO] [stderr]   Downloaded divan v0.1.21
[INFO] [stderr]   Downloaded rkyv v0.8.12
[INFO] [stderr]   Downloaded condtype v1.3.0
[INFO] [stderr]   Downloaded divan-macros v0.1.21
[INFO] [stderr]   Downloaded fastbuf v0.28.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+ab1d2444533d829e2d5cff6634cd3c70de6d7103" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9cc106de7b050bf777372156d25044175de1981ef75d1470069adafce38d6f76
[INFO] running `Command { std: "docker" "start" "-a" "9cc106de7b050bf777372156d25044175de1981ef75d1470069adafce38d6f76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cc106de7b050bf777372156d25044175de1981ef75d1470069adafce38d6f76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cc106de7b050bf777372156d25044175de1981ef75d1470069adafce38d6f76", kill_on_drop: false }`
[INFO] [stdout] 9cc106de7b050bf777372156d25044175de1981ef75d1470069adafce38d6f76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+ab1d2444533d829e2d5cff6634cd3c70de6d7103" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b86e16a60b5373ddd6faefd208c297b315f1613fc29e37732df2eb4ec118984
[INFO] running `Command { std: "docker" "start" "-a" "7b86e16a60b5373ddd6faefd208c297b315f1613fc29e37732df2eb4ec118984", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/serialization_minecraft/Cargo.toml: unused manifest key: package.author
[INFO] [stderr] warning: /opt/rustwide/workdir/Cargo.toml: unused manifest key: package.author
[INFO] [stderr] warning: /opt/rustwide/workdir/Cargo.toml: unused manifest key: workspace.package.author
[INFO] [stderr] warning: /opt/rustwide/workdir/impl/Cargo.toml: unused manifest key: package.author
[INFO] [stderr] warning: /opt/rustwide/workdir/serialization_nbt/Cargo.toml: unused manifest key: feaeures
[INFO] [stderr] warning: /opt/rustwide/workdir/serialization_nbt/Cargo.toml: unused manifest key: package.author
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling seq-macro v0.3.6
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking fastbuf v0.28.0
[INFO] [stderr]     Checking constvec v0.1.14
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]     Checking uuid v1.18.1
[INFO] [stderr]     Checking bitflags v2.9.4
[INFO] [stderr]     Checking anstyle v1.0.13
[INFO] [stderr]     Checking clap_lex v0.7.6
[INFO] [stderr]     Checking simdutf8 v0.1.5
[INFO] [stderr]     Checking condtype v1.3.0
[INFO] [stdout] error[E0658]: use of unstable const library feature `const_ops`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/constvec-0.1.14/src/lib.rs:232:63
[INFO] [stdout]     |
[INFO] [stdout] 232 | impl<T: Sized + Copy, const N1: usize, const N2: usize> const Add<&ConstVec<[T; N2]>>
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^^^^^^^^^^ trait is not stable as const yet
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #143802 <https://github.com/rust-lang/rust/issues/143802> for more information
[INFO] [stdout]     = help: add `#![feature(const_ops)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-18; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex-lite v0.1.8
[INFO] [stderr]     Checking bytemuck v1.24.0
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]     Checking unicode-ident v1.0.19
[INFO] [stdout] error: internal compiler error: compiler/rustc_const_eval/src/check_consts/qualifs.rs:356:13: expected ConstKind::Param or ConstKind::Value here, found UnevaluatedConst { def: DefId(0:111 ~ constvec[ff15]::{impl#8}::add::{constant#2}), args: ['{erased}, '{erased}, T/#2, N1/#3, N2/#4] }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] thread 'rustc' (95) panicked at compiler/rustc_const_eval/src/check_consts/qualifs.rs:356:13:
[INFO] [stderr] Box<dyn Any>
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x79c3b6c676a3 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h39198dc7b88a6264
[INFO] [stderr]    1:     0x79c3b7401b98 - core::fmt::write::h1feffd9edbf28871
[INFO] [stderr]    2:     0x79c3b6c1b683 - std::io::Write::write_fmt::hd27a6921afe7d834
[INFO] [stderr]    3:     0x79c3b6c2cd62 - std::sys::backtrace::BacktraceLock::print::h961c13e46d2559db
[INFO] [stderr]    4:     0x79c3b6c32e39 - std::panicking::default_hook::{{closure}}::h9e26b7a9f26ef0f4
[INFO] [stderr]    5:     0x79c3b6c32963 - std::panicking::default_hook::h7822050d3461aa91
[INFO] [stderr]    6:     0x79c3b5c388e7 - std[7914d0f43762c774]::panicking::update_hook::<alloc[158ae358bcc6ebde]::boxed::Box<rustc_driver_impl[38397470def3a976]::install_ice_hook::{closure#1}>>::{closure#0}
[INFO] [stderr]    7:     0x79c3b6c3325f - std::panicking::panic_with_hook::he8a7473937e4114e
[INFO] [stderr]    8:     0x79c3b5c730f1 - std[7914d0f43762c774]::panicking::begin_panic::<rustc_errors[a1c746f7024c36db]::ExplicitBug>::{closure#0}
[INFO] [stderr]    9:     0x79c3b5c66966 - std[7914d0f43762c774]::sys::backtrace::__rust_end_short_backtrace::<std[7914d0f43762c774]::panicking::begin_panic<rustc_errors[a1c746f7024c36db]::ExplicitBug>::{closure#0}, !>
[INFO] [stderr]   10:     0x79c3b5c66955 - std[7914d0f43762c774]::panicking::begin_panic::<rustc_errors[a1c746f7024c36db]::ExplicitBug>
[INFO] [stderr]   11:     0x79c3b5c7e661 - <rustc_errors[a1c746f7024c36db]::diagnostic::BugAbort as rustc_errors[a1c746f7024c36db]::diagnostic::EmissionGuarantee>::emit_producing_guarantee
[INFO] [stderr]   12:     0x79c3b621bf1a - rustc_middle[abd8cfb299a71a67]::util::bug::opt_span_bug_fmt::<rustc_span[c116617ef61c6899]::span_encoding::Span>::{closure#0}
[INFO] [stderr]   13:     0x79c3b621c0da - rustc_middle[abd8cfb299a71a67]::ty::context::tls::with_opt::<rustc_middle[abd8cfb299a71a67]::util::bug::opt_span_bug_fmt<rustc_span[c116617ef61c6899]::span_encoding::Span>::{closure#0}, !>::{closure#0}
[INFO] [stderr]   14:     0x79c3b620a71b - rustc_middle[abd8cfb299a71a67]::ty::context::tls::with_context_opt::<rustc_middle[abd8cfb299a71a67]::ty::context::tls::with_opt<rustc_middle[abd8cfb299a71a67]::util::bug::opt_span_bug_fmt<rustc_span[c116617ef61c6899]::span_encoding::Span>::{closure#0}, !>::{closure#0}, !>
[INFO] [stderr]   15:     0x79c3b4a4a5f0 - rustc_middle[abd8cfb299a71a67]::util::bug::bug_fmt
[INFO] [stderr]   16:     0x79c3b91325bf - rustc_const_eval[d7e4599b21962677]::check_consts::qualifs::in_operand::<rustc_const_eval[d7e4599b21962677]::check_consts::qualifs::HasMutInterior, <rustc_const_eval[d7e4599b21962677]::check_consts::resolver::TransferFunction<rustc_const_eval[d7e4599b21962677]::check_consts::qualifs::HasMutInterior> as rustc_middle[abd8cfb299a71a67]::mir::visit::Visitor>::visit_assign::{closure#0}>.cold
[INFO] [stderr]   17:     0x79c3b7f9b4ba - <rustc_const_eval[d7e4599b21962677]::check_consts::resolver::FlowSensitiveAnalysis<rustc_const_eval[d7e4599b21962677]::check_consts::qualifs::HasMutInterior> as rustc_mir_dataflow[fc2ebf3d8fbabff2]::framework::Analysis>::apply_primary_statement_effect
[INFO] [stderr]   18:     0x79c3b7f951fb - <rustc_const_eval[d7e4599b21962677]::check_consts::check::Qualifs>::has_mut_interior
[INFO] [stderr]   19:     0x79c3b7f94517 - rustc_mir_transform[ef285c6f50884ec9]::mir_const_qualif
[INFO] [stderr]   20:     0x79c3b7f942a5 - rustc_query_impl[4e91bea4b9bb126d]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[4e91bea4b9bb126d]::query_impl::mir_const_qualif::dynamic_query::{closure#2}::{closure#0}, rustc_middle[abd8cfb299a71a67]::query::erase::Erased<[u8; 4usize]>>
[INFO] [stderr]   21:     0x79c3b7f93727 - rustc_query_system[da0532b7a26e1881]::query::plumbing::try_execute_query::<rustc_query_impl[4e91bea4b9bb126d]::DynamicConfig<rustc_query_system[da0532b7a26e1881]::query::caches::DefIdCache<rustc_middle[abd8cfb299a71a67]::query::erase::Erased<[u8; 4usize]>>, false, false, false>, rustc_query_impl[4e91bea4b9bb126d]::plumbing::QueryCtxt, false>
[INFO] [stderr]   22:     0x79c3b7f93486 - rustc_query_impl[4e91bea4b9bb126d]::query_impl::mir_const_qualif::get_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   23:     0x79c3b4af8947 - rustc_mir_transform[ef285c6f50884ec9]::mir_promoted
[INFO] [stderr]   24:     0x79c3b7da98d2 - rustc_query_impl[4e91bea4b9bb126d]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[4e91bea4b9bb126d]::query_impl::mir_promoted::dynamic_query::{closure#2}::{closure#0}, rustc_middle[abd8cfb299a71a67]::query::erase::Erased<[u8; 16usize]>>
[INFO] [stderr]   25:     0x79c3b7da9b7e - rustc_query_system[da0532b7a26e1881]::query::plumbing::try_execute_query::<rustc_query_impl[4e91bea4b9bb126d]::DynamicConfig<rustc_data_structures[7e6b8bb50ab49334]::vec_cache::VecCache<rustc_span[c116617ef61c6899]::def_id::LocalDefId, rustc_middle[abd8cfb299a71a67]::query::erase::Erased<[u8; 16usize]>, rustc_query_system[da0532b7a26e1881]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[4e91bea4b9bb126d]::plumbing::QueryCtxt, false>
[INFO] [stderr]   26:     0x79c3b7da9722 - rustc_query_impl[4e91bea4b9bb126d]::query_impl::mir_promoted::get_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   27:     0x79c3b8560ee3 - rustc_borrowck[1f79d5ff3e1aa77e]::mir_borrowck
[INFO] [stderr]   28:     0x79c3b8560d99 - rustc_query_impl[4e91bea4b9bb126d]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[4e91bea4b9bb126d]::query_impl::mir_borrowck::dynamic_query::{closure#2}::{closure#0}, rustc_middle[abd8cfb299a71a67]::query::erase::Erased<[u8; 8usize]>>
[INFO] [stderr]   29:     0x79c3b7bf2a77 - rustc_query_system[da0532b7a26e1881]::query::plumbing::try_execute_query::<rustc_query_impl[4e91bea4b9bb126d]::DynamicConfig<rustc_data_structures[7e6b8bb50ab49334]::vec_cache::VecCache<rustc_span[c116617ef61c6899]::def_id::LocalDefId, rustc_middle[abd8cfb299a71a67]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[da0532b7a26e1881]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[4e91bea4b9bb126d]::plumbing::QueryCtxt, false>
[INFO] [stderr]   30:     0x79c3b7bf0b89 - rustc_query_impl[4e91bea4b9bb126d]::query_impl::mir_borrowck::get_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   31:     0x79c3b7bf0d3c - <rustc_middle[abd8cfb299a71a67]::ty::context::TyCtxt>::par_hir_body_owners::<rustc_interface[e9f450d6d00976fd]::passes::run_required_analyses::{closure#1}::{closure#0}>::{closure#0}
[INFO] [stderr]   32:     0x79c3b7bec8a9 - rustc_interface[e9f450d6d00976fd]::passes::analysis
[INFO] [stderr]   33:     0x79c3b7bebd37 - rustc_query_impl[4e91bea4b9bb126d]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[4e91bea4b9bb126d]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[abd8cfb299a71a67]::query::erase::Erased<[u8; 0usize]>>
[INFO] [stderr]   34:     0x79c3b849b00e - rustc_query_system[da0532b7a26e1881]::query::plumbing::try_execute_query::<rustc_query_impl[4e91bea4b9bb126d]::DynamicConfig<rustc_query_system[da0532b7a26e1881]::query::caches::SingleCache<rustc_middle[abd8cfb299a71a67]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[4e91bea4b9bb126d]::plumbing::QueryCtxt, false>
[INFO] [stderr]   35:     0x79c3b849ac46 - rustc_query_impl[4e91bea4b9bb126d]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   36:     0x79c3b86e5b26 - <rustc_interface[e9f450d6d00976fd]::passes::create_and_enter_global_ctxt<core[2dd35674c200bf0b]::option::Option<rustc_interface[e9f450d6d00976fd]::queries::Linker>, rustc_driver_impl[38397470def3a976]::run_compiler::{closure#0}::{closure#2}>::{closure#2} as core[2dd35674c200bf0b]::ops::function::FnOnce<(&rustc_session[474b47481f63b15a]::session::Session, rustc_middle[abd8cfb299a71a67]::ty::context::CurrentGcx, alloc[158ae358bcc6ebde]::sync::Arc<rustc_data_structures[7e6b8bb50ab49334]::jobserver::Proxy>, &std[7914d0f43762c774]::sync::once_lock::OnceLock<rustc_middle[abd8cfb299a71a67]::ty::context::GlobalCtxt>, &rustc_data_structures[7e6b8bb50ab49334]::sync::worker_local::WorkerLocal<rustc_middle[abd8cfb299a71a67]::arena::Arena>, &rustc_data_structures[7e6b8bb50ab49334]::sync::worker_local::WorkerLocal<rustc_hir[1356a503a02dd61e]::Arena>, rustc_driver_impl[38397470def3a976]::run_compiler::{closure#0}::{closure#2})>>::call_once::{shim:vtable#0}
[INFO] [stderr]   37:     0x79c3b8553480 - rustc_interface[e9f450d6d00976fd]::interface::run_compiler::<(), rustc_driver_impl[38397470def3a976]::run_compiler::{closure#0}>::{closure#1}
[INFO] [stderr]   38:     0x79c3b86aaccb - std[7914d0f43762c774]::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface[e9f450d6d00976fd]::util::run_in_thread_with_globals<rustc_interface[e9f450d6d00976fd]::util::run_in_thread_pool_with_globals<rustc_interface[e9f450d6d00976fd]::interface::run_compiler<(), rustc_driver_impl[38397470def3a976]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>
[INFO] [stderr]   39:     0x79c3b86aa9ac - <<std[7914d0f43762c774]::thread::Builder>::spawn_unchecked_<rustc_interface[e9f450d6d00976fd]::util::run_in_thread_with_globals<rustc_interface[e9f450d6d00976fd]::util::run_in_thread_pool_with_globals<rustc_interface[e9f450d6d00976fd]::interface::run_compiler<(), rustc_driver_impl[38397470def3a976]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[2dd35674c200bf0b]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]   40:     0x79c3b80de82f - std::sys::thread::unix::Thread::new::thread_start::h780a6619fc3c7867
[INFO] [stderr]   41:     0x79c3b1e8aaa4 - <unknown>
[INFO] [stderr]   42:     0x79c3b1f17a34 - clone
[INFO] [stderr]   43:                0x0 - <unknown>
[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/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/constvec-0.1.14/rustc-ice-2025-10-18T15_22_27-40.txt`: Read-only file system (os error 30)
[INFO] [stderr] 
[INFO] [stderr] note: rustc 1.92.0-nightly (ab1d24445 2025-10-18) 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 [mir_const_qualif] const checking `<impl at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/constvec-0.1.14/src/lib.rs:232:1: 236:20>::add`
[INFO] [stderr] #1 [mir_promoted] promoting constants in MIR for `<impl at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/constvec-0.1.14/src/lib.rs:232:1: 236:20>::add`
[INFO] [stderr] #2 [mir_borrowck] borrow-checking `<impl at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/constvec-0.1.14/src/lib.rs:232:1: 236:20>::add`
[INFO] [stderr] #3 [analysis] running analysis passes on this crate
[INFO] [stderr] end of query stack
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `constvec` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7b86e16a60b5373ddd6faefd208c297b315f1613fc29e37732df2eb4ec118984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b86e16a60b5373ddd6faefd208c297b315f1613fc29e37732df2eb4ec118984", kill_on_drop: false }`
[INFO] [stdout] 7b86e16a60b5373ddd6faefd208c297b315f1613fc29e37732df2eb4ec118984
