[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 try#b4c55082edd8dec08ce8af276d7054d9c4db20c4 for pr-147984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBruce0203%2Fserialization" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc2/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-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Bruce0203/serialization on toolchain b4c55082edd8dec08ce8af276d7054d9c4db20c4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "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" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "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" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-6-tc2/source/serialization_minecraft/Cargo.toml: unused manifest key: package.author
[INFO] [stderr] warning: /workspace/builds/worker-6-tc2/source/impl/Cargo.toml: unused manifest key: package.author
[INFO] [stderr] warning: /workspace/builds/worker-6-tc2/source/Cargo.toml: unused manifest key: package.author
[INFO] [stderr] warning: /workspace/builds/worker-6-tc2/source/Cargo.toml: unused manifest key: workspace.package.author
[INFO] [stderr] warning: /workspace/builds/worker-6-tc2/source/serialization_nbt/Cargo.toml: unused manifest key: feaeures
[INFO] [stderr] warning: /workspace/builds/worker-6-tc2/source/serialization_nbt/Cargo.toml: unused manifest key: package.author
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f16ed7af51ed5b7c265cca17af6167d5d17716a071474f0aa5281f441225fd88
[INFO] running `Command { std: "docker" "start" "-a" "f16ed7af51ed5b7c265cca17af6167d5d17716a071474f0aa5281f441225fd88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f16ed7af51ed5b7c265cca17af6167d5d17716a071474f0aa5281f441225fd88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f16ed7af51ed5b7c265cca17af6167d5d17716a071474f0aa5281f441225fd88", kill_on_drop: false }`
[INFO] [stdout] f16ed7af51ed5b7c265cca17af6167d5d17716a071474f0aa5281f441225fd88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c08c1e9c5a9d94ab819af673a1782a42112229edf53afe11cb179e0c556112c7
[INFO] running `Command { std: "docker" "start" "-a" "c08c1e9c5a9d94ab819af673a1782a42112229edf53afe11cb179e0c556112c7", kill_on_drop: false }`
[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] 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]    Compiling unicode-ident v1.0.20
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]     Checking fastbuf v0.28.0
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]     Checking constvec v0.1.14
[INFO] [stderr]     Checking uuid v1.18.1
[INFO] [stderr]     Checking clap_lex v0.7.6
[INFO] [stderr]     Checking anstyle v1.0.13
[INFO] [stderr]     Checking simdutf8 v0.1.5
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]     Checking bytemuck v1.24.0
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking regex-lite v0.1.8
[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 2025-10-22; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]     Checking condtype v1.3.0
[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[a22c]::{impl#8}::add::{constant#2}), args: ['{erased}, '{erased}, T/#2, N1/#3, N2/#4] }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] thread 'rustc' (90) 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:     0x7b064b243ad3 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h55273c109f480de8
[INFO] [stderr]    1:     0x7b064ba01b18 - core::fmt::write::he6bcf7c3f2c4eba5
[INFO] [stderr]    2:     0x7b064b1f7953 - std::io::Write::write_fmt::hc4c289442f488f72
[INFO] [stderr]    3:     0x7b064b209132 - std::sys::backtrace::BacktraceLock::print::h453555a0d0bae7d2
[INFO] [stderr]    4:     0x7b064b20f209 - std::panicking::default_hook::{{closure}}::h3ebcee4d4a10f231
[INFO] [stderr]    5:     0x7b064b20ed33 - std::panicking::default_hook::h8d904937f0dd5b7e
[INFO] [stderr]    6:     0x7b064a2150e7 - std[f8a2177ae80a230b]::panicking::update_hook::<alloc[36fc09d53af7ef09]::boxed::Box<rustc_driver_impl[66ddc3fd7f433d75]::install_ice_hook::{closure#1}>>::{closure#0}
[INFO] [stderr]    7:     0x7b064b20f62f - std::panicking::panic_with_hook::hba74873bd829b497
[INFO] [stderr]    8:     0x7b064a24f171 - std[f8a2177ae80a230b]::panicking::begin_panic::<rustc_errors[bf3e55ab05483028]::ExplicitBug>::{closure#0}
[INFO] [stderr]    9:     0x7b064a2435a6 - std[f8a2177ae80a230b]::sys::backtrace::__rust_end_short_backtrace::<std[f8a2177ae80a230b]::panicking::begin_panic<rustc_errors[bf3e55ab05483028]::ExplicitBug>::{closure#0}, !>
[INFO] [stderr]   10:     0x7b064a2428f5 - std[f8a2177ae80a230b]::panicking::begin_panic::<rustc_errors[bf3e55ab05483028]::ExplicitBug>
[INFO] [stderr]   11:     0x7b064a25a771 - <rustc_errors[bf3e55ab05483028]::diagnostic::BugAbort as rustc_errors[bf3e55ab05483028]::diagnostic::EmissionGuarantee>::emit_producing_guarantee
[INFO] [stderr]   12:     0x7b064a7f3aaa - rustc_middle[95295c260291c37a]::util::bug::opt_span_bug_fmt::<rustc_span[cc4299debd65cef7]::span_encoding::Span>::{closure#0}
[INFO] [stderr]   13:     0x7b064a7f3d8a - rustc_middle[95295c260291c37a]::ty::context::tls::with_opt::<rustc_middle[95295c260291c37a]::util::bug::opt_span_bug_fmt<rustc_span[cc4299debd65cef7]::span_encoding::Span>::{closure#0}, !>::{closure#0}
[INFO] [stderr]   14:     0x7b064a7e4d7b - rustc_middle[95295c260291c37a]::ty::context::tls::with_context_opt::<rustc_middle[95295c260291c37a]::ty::context::tls::with_opt<rustc_middle[95295c260291c37a]::util::bug::opt_span_bug_fmt<rustc_span[cc4299debd65cef7]::span_encoding::Span>::{closure#0}, !>::{closure#0}, !>
[INFO] [stderr]   15:     0x7b0648f2a950 - rustc_middle[95295c260291c37a]::util::bug::bug_fmt
[INFO] [stderr]   16:     0x7b064d72a87f - rustc_const_eval[aa7a070c7228734f]::check_consts::qualifs::in_operand::<rustc_const_eval[aa7a070c7228734f]::check_consts::qualifs::HasMutInterior, <rustc_const_eval[aa7a070c7228734f]::check_consts::resolver::TransferFunction<rustc_const_eval[aa7a070c7228734f]::check_consts::qualifs::HasMutInterior> as rustc_middle[95295c260291c37a]::mir::visit::Visitor>::visit_assign::{closure#0}>.cold
[INFO] [stderr]   17:     0x7b064c5aaa7a - <rustc_const_eval[aa7a070c7228734f]::check_consts::resolver::FlowSensitiveAnalysis<rustc_const_eval[aa7a070c7228734f]::check_consts::qualifs::HasMutInterior> as rustc_mir_dataflow[b0134402faa4a368]::framework::Analysis>::apply_primary_statement_effect
[INFO] [stderr]   18:     0x7b064c5a47ce - <rustc_const_eval[aa7a070c7228734f]::check_consts::check::Qualifs>::has_mut_interior
[INFO] [stderr]   19:     0x7b064c5a3ad7 - rustc_mir_transform[6513e54717cc92cd]::mir_const_qualif
[INFO] [stderr]   20:     0x7b064c5a3865 - rustc_query_impl[f63f717ec3633824]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[f63f717ec3633824]::query_impl::mir_const_qualif::dynamic_query::{closure#2}::{closure#0}, rustc_middle[95295c260291c37a]::query::erase::Erased<[u8; 4usize]>>
[INFO] [stderr]   21:     0x7b064c5a2ce7 - rustc_query_system[b025ddf4cb24a491]::query::plumbing::try_execute_query::<rustc_query_impl[f63f717ec3633824]::DynamicConfig<rustc_query_system[b025ddf4cb24a491]::query::caches::DefIdCache<rustc_middle[95295c260291c37a]::query::erase::Erased<[u8; 4usize]>>, false, false, false>, rustc_query_impl[f63f717ec3633824]::plumbing::QueryCtxt, false>
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr]   22:     0x7b064c5a2a46 - rustc_query_impl[f63f717ec3633824]::query_impl::mir_const_qualif::get_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   23:     0x7b0648e95783 - rustc_mir_transform[6513e54717cc92cd]::mir_promoted
[INFO] [stderr]   24:     0x7b064c3c3292 - rustc_query_impl[f63f717ec3633824]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[f63f717ec3633824]::query_impl::mir_promoted::dynamic_query::{closure#2}::{closure#0}, rustc_middle[95295c260291c37a]::query::erase::Erased<[u8; 16usize]>>
[INFO] [stderr]   25:     0x7b064c3c353e - rustc_query_system[b025ddf4cb24a491]::query::plumbing::try_execute_query::<rustc_query_impl[f63f717ec3633824]::DynamicConfig<rustc_data_structures[d729662f8d398e2b]::vec_cache::VecCache<rustc_span[cc4299debd65cef7]::def_id::LocalDefId, rustc_middle[95295c260291c37a]::query::erase::Erased<[u8; 16usize]>, rustc_query_system[b025ddf4cb24a491]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[f63f717ec3633824]::plumbing::QueryCtxt, false>
[INFO] [stderr]   26:     0x7b064c3c30e2 - rustc_query_impl[f63f717ec3633824]::query_impl::mir_promoted::get_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   27:     0x7b064cb07123 - rustc_borrowck[5c3c5e802a479744]::mir_borrowck
[INFO] [stderr]   28:     0x7b064cb06fdb - rustc_query_impl[f63f717ec3633824]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[f63f717ec3633824]::query_impl::mir_borrowck::dynamic_query::{closure#2}::{closure#0}, rustc_middle[95295c260291c37a]::query::erase::Erased<[u8; 8usize]>>
[INFO] [stderr]   29:     0x7b064c48f9f7 - rustc_query_system[b025ddf4cb24a491]::query::plumbing::try_execute_query::<rustc_query_impl[f63f717ec3633824]::DynamicConfig<rustc_data_structures[d729662f8d398e2b]::vec_cache::VecCache<rustc_span[cc4299debd65cef7]::def_id::LocalDefId, rustc_middle[95295c260291c37a]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[b025ddf4cb24a491]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[f63f717ec3633824]::plumbing::QueryCtxt, false>
[INFO] [stderr]   30:     0x7b064c48db09 - rustc_query_impl[f63f717ec3633824]::query_impl::mir_borrowck::get_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   31:     0x7b064c48dcbc - <rustc_middle[95295c260291c37a]::ty::context::TyCtxt>::par_hir_body_owners::<rustc_interface[53fd4d6e8ad97884]::passes::run_required_analyses::{closure#1}::{closure#0}>::{closure#0}
[INFO] [stderr]   32:     0x7b064c489969 - rustc_interface[53fd4d6e8ad97884]::passes::analysis
[INFO] [stderr]   33:     0x7b064c488df5 - rustc_query_impl[f63f717ec3633824]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[f63f717ec3633824]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[95295c260291c37a]::query::erase::Erased<[u8; 0usize]>>
[INFO] [stderr]   34:     0x7b064ca7b494 - rustc_query_system[b025ddf4cb24a491]::query::plumbing::try_execute_query::<rustc_query_impl[f63f717ec3633824]::DynamicConfig<rustc_query_system[b025ddf4cb24a491]::query::caches::SingleCache<rustc_middle[95295c260291c37a]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[f63f717ec3633824]::plumbing::QueryCtxt, false>
[INFO] [stderr]   35:     0x7b064ca7b0ca - rustc_query_impl[f63f717ec3633824]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   36:     0x7b064cc77803 - <rustc_interface[53fd4d6e8ad97884]::passes::create_and_enter_global_ctxt<core[52ea0246158aae72]::option::Option<rustc_interface[53fd4d6e8ad97884]::queries::Linker>, rustc_driver_impl[66ddc3fd7f433d75]::run_compiler::{closure#0}::{closure#2}>::{closure#2} as core[52ea0246158aae72]::ops::function::FnOnce<(&rustc_session[240f5ecb75ec6af]::session::Session, rustc_middle[95295c260291c37a]::ty::context::CurrentGcx, alloc[36fc09d53af7ef09]::sync::Arc<rustc_data_structures[d729662f8d398e2b]::jobserver::Proxy>, &std[f8a2177ae80a230b]::sync::once_lock::OnceLock<rustc_middle[95295c260291c37a]::ty::context::GlobalCtxt>, &rustc_data_structures[d729662f8d398e2b]::sync::worker_local::WorkerLocal<rustc_middle[95295c260291c37a]::arena::Arena>, &rustc_data_structures[d729662f8d398e2b]::sync::worker_local::WorkerLocal<rustc_hir[9ab9609108fd0eaf]::Arena>, rustc_driver_impl[66ddc3fd7f433d75]::run_compiler::{closure#0}::{closure#2})>>::call_once::{shim:vtable#0}
[INFO] [stderr]   37:     0x7b064cb37922 - rustc_interface[53fd4d6e8ad97884]::interface::run_compiler::<(), rustc_driver_impl[66ddc3fd7f433d75]::run_compiler::{closure#0}>::{closure#1}
[INFO] [stderr]   38:     0x7b064c72b5fc - std[f8a2177ae80a230b]::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface[53fd4d6e8ad97884]::util::run_in_thread_with_globals<rustc_interface[53fd4d6e8ad97884]::util::run_in_thread_pool_with_globals<rustc_interface[53fd4d6e8ad97884]::interface::run_compiler<(), rustc_driver_impl[66ddc3fd7f433d75]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>
[INFO] [stderr]   39:     0x7b064c72b2e0 - <<std[f8a2177ae80a230b]::thread::Builder>::spawn_unchecked_<rustc_interface[53fd4d6e8ad97884]::util::run_in_thread_with_globals<rustc_interface[53fd4d6e8ad97884]::util::run_in_thread_pool_with_globals<rustc_interface[53fd4d6e8ad97884]::interface::run_compiler<(), rustc_driver_impl[66ddc3fd7f433d75]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[52ea0246158aae72]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]   40:     0x7b064c72956f - std::sys::thread::unix::Thread::new::thread_start::hc60b4bf3621d659f
[INFO] [stderr]   41:     0x7b064648aaa4 - <unknown>
[INFO] [stderr]   42:     0x7b0646517a34 - 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-2025-10-22T16_44_06-36.txt`: Read-only file system (os error 30)
[INFO] [stderr] 
[INFO] [stderr] note: rustc 1.92.0-nightly (b4c55082e 2025-10-22) 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] [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" "c08c1e9c5a9d94ab819af673a1782a42112229edf53afe11cb179e0c556112c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c08c1e9c5a9d94ab819af673a1782a42112229edf53afe11cb179e0c556112c7", kill_on_drop: false }`
[INFO] [stdout] c08c1e9c5a9d94ab819af673a1782a42112229edf53afe11cb179e0c556112c7
