[INFO] fetching crate serialization 0.2.12...
[INFO] testing serialization-0.2.12 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate serialization 0.2.12 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate serialization 0.2.12
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate serialization 0.2.12
[INFO] tweaked toml for crates.io crate serialization 0.2.12 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serialization 0.2.12 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serialization 0.2.12 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2c6c24e8dfd0b0cd7da944d24f511536bf014ceadcb304c53e687cbc09621c7
[INFO] running `Command { std: "docker" "start" "-a" "e2c6c24e8dfd0b0cd7da944d24f511536bf014ceadcb304c53e687cbc09621c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2c6c24e8dfd0b0cd7da944d24f511536bf014ceadcb304c53e687cbc09621c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2c6c24e8dfd0b0cd7da944d24f511536bf014ceadcb304c53e687cbc09621c7", kill_on_drop: false }`
[INFO] [stdout] e2c6c24e8dfd0b0cd7da944d24f511536bf014ceadcb304c53e687cbc09621c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e64801cf2617b5e2f83b86ce0c89c21c26735219670992225e2b706606400224
[INFO] running `Command { std: "docker" "start" "-a" "e64801cf2617b5e2f83b86ce0c89c21c26735219670992225e2b706606400224", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling serde v1.0.216
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling uuid v1.11.0
[INFO] [stderr]    Compiling constvec v0.1.14
[INFO] [stderr]    Compiling fastbuf v0.28.0
[INFO] [stderr]    Compiling seq-macro v0.3.5
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/constvec-0.1.14/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(specialization)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/constvec-0.1.14/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(const_copy_from_slice)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/constvec-0.1.14/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(const_trait_impl)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/constvec-0.1.14/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(generic_const_exprs)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: internal compiler error: compiler/rustc_const_eval/src/check_consts/qualifs.rs:359:13: expected ConstKind::Param or ConstKind::Value here, found UnevaluatedConst { def: DefId(0:111 ~ constvec[c2b6]::{impl#8}::add::{constant#2}), args: ['{erased}, '{erased}, T/#2, N1/#3, N2/#4] }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] thread 'rustc' (69) panicked at compiler/rustc_const_eval/src/check_consts/qualifs.rs:359:13:
[INFO] [stderr] Box<dyn Any>
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x783828849ef3 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h67edf0e4d33c343c
[INFO] [stderr]    1:     0x783829001b58 - core::fmt::write::hcf0c66b48a8fa606
[INFO] [stderr]    2:     0x78382a62446f - std::io::Write::write_fmt::h051fe4a9e4fdbf48
[INFO] [stderr]    3:     0x78382880fd82 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414
[INFO] [stderr]    4:     0x783828815cb9 - std::panicking::default_hook::{{closure}}::h91001850288db5f7
[INFO] [stderr]    5:     0x7838288157e3 - std::panicking::default_hook::h2346dbb704ef5512
[INFO] [stderr]    6:     0x7838277fcbc7 - std[964350b2783e405f]::panicking::update_hook::<alloc[eabebbc6c73aef0c]::boxed::Box<rustc_driver_impl[c00a9a62f1a7ca6a]::install_ice_hook::{closure#1}>>::{closure#0}
[INFO] [stderr]    7:     0x7838288160df - std::panicking::panic_with_hook::hd2b063a6090d23a4
[INFO] [stderr]    8:     0x7838278390f1 - std[964350b2783e405f]::panicking::begin_panic::<rustc_errors[10d5b069272de5dd]::ExplicitBug>::{closure#0}
[INFO] [stderr]    9:     0x78382782d3d6 - std[964350b2783e405f]::sys::backtrace::__rust_end_short_backtrace::<std[964350b2783e405f]::panicking::begin_panic<rustc_errors[10d5b069272de5dd]::ExplicitBug>::{closure#0}, !>
[INFO] [stderr]   10:     0x78382782a439 - std[964350b2783e405f]::panicking::begin_panic::<rustc_errors[10d5b069272de5dd]::ExplicitBug>
[INFO] [stderr]   11:     0x783827844611 - <rustc_errors[10d5b069272de5dd]::diagnostic::BugAbort as rustc_errors[10d5b069272de5dd]::diagnostic::EmissionGuarantee>::emit_producing_guarantee
[INFO] [stderr]   12:     0x783827df27ba - rustc_middle[94f43328057ea44f]::util::bug::opt_span_bug_fmt::<rustc_span[68ddb5798b8c3a2e]::span_encoding::Span>::{closure#0}
[INFO] [stderr]   13:     0x783827df281a - rustc_middle[94f43328057ea44f]::ty::context::tls::with_opt::<rustc_middle[94f43328057ea44f]::util::bug::opt_span_bug_fmt<rustc_span[68ddb5798b8c3a2e]::span_encoding::Span>::{closure#0}, !>::{closure#0}
[INFO] [stderr]   14:     0x783827de0ffb - rustc_middle[94f43328057ea44f]::ty::context::tls::with_context_opt::<rustc_middle[94f43328057ea44f]::ty::context::tls::with_opt<rustc_middle[94f43328057ea44f]::util::bug::opt_span_bug_fmt<rustc_span[68ddb5798b8c3a2e]::span_encoding::Span>::{closure#0}, !>::{closure#0}, !>
[INFO] [stderr]   15:     0x783824ee9950 - rustc_middle[94f43328057ea44f]::util::bug::bug_fmt
[INFO] [stderr]   16:     0x78382ac52a3e - rustc_const_eval[67089cf3d838e562]::check_consts::qualifs::in_operand::<rustc_const_eval[67089cf3d838e562]::check_consts::qualifs::HasMutInterior, <rustc_const_eval[67089cf3d838e562]::check_consts::resolver::TransferFunction<rustc_const_eval[67089cf3d838e562]::check_consts::qualifs::HasMutInterior> as rustc_middle[94f43328057ea44f]::mir::visit::Visitor>::visit_assign::{closure#0}>.cold
[INFO] [stderr]   17:     0x783829a19f24 - <rustc_const_eval[67089cf3d838e562]::check_consts::resolver::FlowSensitiveAnalysis<rustc_const_eval[67089cf3d838e562]::check_consts::qualifs::HasMutInterior> as rustc_mir_dataflow[2eebd6b079fd6372]::framework::Analysis>::apply_primary_statement_effect
[INFO] [stderr]   18:     0x783829a14482 - <rustc_const_eval[67089cf3d838e562]::check_consts::check::Qualifs>::has_mut_interior
[INFO] [stderr]   19:     0x783829a138c6 - rustc_mir_transform[ca6c25dc6ebfb91e]::mir_const_qualif
[INFO] [stderr]   20:     0x783829a13665 - rustc_query_impl[93e3285720b12608]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[93e3285720b12608]::query_impl::mir_const_qualif::dynamic_query::{closure#2}::{closure#0}, rustc_middle[94f43328057ea44f]::query::erase::Erased<[u8; 4usize]>>
[INFO] [stderr]   21:     0x783829a12ae7 - rustc_query_system[59265a8d1af4d44c]::query::plumbing::try_execute_query::<rustc_query_impl[93e3285720b12608]::DynamicConfig<rustc_query_system[59265a8d1af4d44c]::query::caches::DefIdCache<rustc_middle[94f43328057ea44f]::query::erase::Erased<[u8; 4usize]>>, false, false, false>, rustc_query_impl[93e3285720b12608]::plumbing::QueryCtxt, false>
[INFO] [stderr]   22:     0x783829a12846 - rustc_query_impl[93e3285720b12608]::query_impl::mir_const_qualif::get_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   23:     0x78382656886d - rustc_mir_transform[ca6c25dc6ebfb91e]::mir_promoted
[INFO] [stderr]   24:     0x7838297b6392 - rustc_query_impl[93e3285720b12608]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[93e3285720b12608]::query_impl::mir_promoted::dynamic_query::{closure#2}::{closure#0}, rustc_middle[94f43328057ea44f]::query::erase::Erased<[u8; 16usize]>>
[INFO] [stderr]   25:     0x7838297b6656 - rustc_query_system[59265a8d1af4d44c]::query::plumbing::try_execute_query::<rustc_query_impl[93e3285720b12608]::DynamicConfig<rustc_data_structures[e2cdb057fddbc0f4]::vec_cache::VecCache<rustc_span[68ddb5798b8c3a2e]::def_id::LocalDefId, rustc_middle[94f43328057ea44f]::query::erase::Erased<[u8; 16usize]>, rustc_query_system[59265a8d1af4d44c]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[93e3285720b12608]::plumbing::QueryCtxt, false>
[INFO] [stderr]   26:     0x7838297b61d0 - rustc_query_impl[93e3285720b12608]::query_impl::mir_promoted::get_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   27:     0x78382a27f0a3 - rustc_borrowck[c54361545eec6ea7]::mir_borrowck
[INFO] [stderr]   28:     0x78382a27ef5d - rustc_query_impl[93e3285720b12608]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[93e3285720b12608]::query_impl::mir_borrowck::dynamic_query::{closure#2}::{closure#0}, rustc_middle[94f43328057ea44f]::query::erase::Erased<[u8; 8usize]>>
[INFO] [stderr]   29:     0x7838292d8685 - rustc_query_system[59265a8d1af4d44c]::query::plumbing::try_execute_query::<rustc_query_impl[93e3285720b12608]::DynamicConfig<rustc_data_structures[e2cdb057fddbc0f4]::vec_cache::VecCache<rustc_span[68ddb5798b8c3a2e]::def_id::LocalDefId, rustc_middle[94f43328057ea44f]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[59265a8d1af4d44c]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[93e3285720b12608]::plumbing::QueryCtxt, false>
[INFO] [stderr]   30:     0x7838292d7e89 - rustc_query_impl[93e3285720b12608]::query_impl::mir_borrowck::get_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   31:     0x7838292e21c2 - <rustc_middle[94f43328057ea44f]::ty::context::TyCtxt>::par_hir_body_owners::<rustc_interface[89ceac0529af2cd8]::passes::run_required_analyses::{closure#1}::{closure#0}>::{closure#0}
[INFO] [stderr]   32:     0x7838292dfa59 - rustc_interface[89ceac0529af2cd8]::passes::analysis
[INFO] [stderr]   33:     0x7838292def0b - rustc_query_impl[93e3285720b12608]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[93e3285720b12608]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[94f43328057ea44f]::query::erase::Erased<[u8; 0usize]>>
[INFO] [stderr]   34:     0x78382a0299a6 - rustc_query_system[59265a8d1af4d44c]::query::plumbing::try_execute_query::<rustc_query_impl[93e3285720b12608]::DynamicConfig<rustc_query_system[59265a8d1af4d44c]::query::caches::SingleCache<rustc_middle[94f43328057ea44f]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[93e3285720b12608]::plumbing::QueryCtxt, false>
[INFO] [stderr]   35:     0x78382a0295fc - rustc_query_impl[93e3285720b12608]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   36:     0x78382a3aec24 - rustc_interface[89ceac0529af2cd8]::passes::create_and_enter_global_ctxt::<core[dc8158927f5e781c]::option::Option<rustc_interface[89ceac0529af2cd8]::queries::Linker>, rustc_driver_impl[c00a9a62f1a7ca6a]::run_compiler::{closure#0}::{closure#2}>::{closure#2}::{closure#0}
[INFO] [stderr]   37:     0x78382a31cafe - rustc_interface[89ceac0529af2cd8]::interface::run_compiler::<(), rustc_driver_impl[c00a9a62f1a7ca6a]::run_compiler::{closure#0}>::{closure#1}
[INFO] [stderr]   38:     0x78382a22fd78 - std[964350b2783e405f]::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface[89ceac0529af2cd8]::util::run_in_thread_with_globals<rustc_interface[89ceac0529af2cd8]::util::run_in_thread_pool_with_globals<rustc_interface[89ceac0529af2cd8]::interface::run_compiler<(), rustc_driver_impl[c00a9a62f1a7ca6a]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>
[INFO] [stderr]   39:     0x78382a22fa48 - <<std[964350b2783e405f]::thread::Builder>::spawn_unchecked_<rustc_interface[89ceac0529af2cd8]::util::run_in_thread_with_globals<rustc_interface[89ceac0529af2cd8]::util::run_in_thread_pool_with_globals<rustc_interface[89ceac0529af2cd8]::interface::run_compiler<(), rustc_driver_impl[c00a9a62f1a7ca6a]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[dc8158927f5e781c]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]   40:     0x78382a23548d - std::sys::thread::unix::Thread::new::thread_start::hf277835320aa8e5a
[INFO] [stderr]   41:     0x783823a8aaa4 - <unknown>
[INFO] [stderr]   42:     0x783823b17a34 - 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: rustc 1.91.0-beta.3 (bb624dcb4 2025-09-20) 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] Some errors have detailed explanations: E0554, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `constvec` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e64801cf2617b5e2f83b86ce0c89c21c26735219670992225e2b706606400224", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e64801cf2617b5e2f83b86ce0c89c21c26735219670992225e2b706606400224", kill_on_drop: false }`
[INFO] [stdout] e64801cf2617b5e2f83b86ce0c89c21c26735219670992225e2b706606400224