[INFO] fetching crate serialization 0.2.12... [INFO] testing serialization-0.2.12 against 1.91.0 for beta-1.92-2 [INFO] extracting crate serialization 0.2.12 into /workspace/builds/worker-6-tc1/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-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate serialization 0.2.12 on toolchain 1.91.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ppv-lite86 v0.2.20 [INFO] [stderr] Downloaded constvec v0.1.14 [INFO] [stderr] Downloaded fastvarint v0.22.0 [INFO] [stderr] Downloaded rkyv_derive v0.8.9 [INFO] [stderr] Downloaded concat-idents-bruce0203 v1.1.6 [INFO] [stderr] Downloaded condtype v1.3.0 [INFO] [stderr] Downloaded bitcode_derive v0.6.3 [INFO] [stderr] Downloaded divan-macros v0.1.17 [INFO] [stderr] Downloaded fastbuf v0.28.0 [INFO] [stderr] Downloaded bytemuck v1.20.0 [INFO] [stderr] Downloaded bitcode v0.6.3 [INFO] [stderr] Downloaded derive_more-impl v1.0.0 [INFO] [stderr] Downloaded regex-lite v0.1.6 [INFO] [stderr] Downloaded divan v0.1.17 [INFO] [stderr] Downloaded zerocopy v0.7.35 [INFO] [stderr] Downloaded derive_more v1.0.0 [INFO] [stderr] Downloaded clap_builder v4.5.23 [INFO] [stderr] Downloaded syn v2.0.90 [INFO] [stderr] Downloaded rkyv v0.8.9 [INFO] [stderr] Downloaded serde v1.0.216 [INFO] [stderr] Downloaded serde_derive v1.0.216 [INFO] [stderr] Downloaded clap v4.5.23 [INFO] [stderr] Downloaded zerocopy-derive v0.7.35 [INFO] [stderr] Downloaded serialization_derive v0.2.12 [INFO] [stderr] Downloaded glam v0.29.2 [INFO] [stderr] Downloaded libc v0.2.168 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 30d3c980867c1dcdc419d25aa60ed8f8d487988caed3a2fd42ef0f1522944975 [INFO] running `Command { std: "docker" "start" "-a" "30d3c980867c1dcdc419d25aa60ed8f8d487988caed3a2fd42ef0f1522944975", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "30d3c980867c1dcdc419d25aa60ed8f8d487988caed3a2fd42ef0f1522944975", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "30d3c980867c1dcdc419d25aa60ed8f8d487988caed3a2fd42ef0f1522944975", kill_on_drop: false }` [INFO] [stdout] 30d3c980867c1dcdc419d25aa60ed8f8d487988caed3a2fd42ef0f1522944975 [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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 491f0fe50cdf5f7ecafa4dfb625a552a2741ed989877a7a487c506d1268fad0d [INFO] running `Command { std: "docker" "start" "-a" "491f0fe50cdf5f7ecafa4dfb625a552a2741ed989877a7a487c506d1268fad0d", kill_on_drop: false }` [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling serde v1.0.216 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling unicode-xid v0.2.6 [INFO] [stderr] Compiling fastbuf v0.28.0 [INFO] [stderr] Compiling simdutf8 v0.1.5 [INFO] [stderr] Compiling seq-macro v0.3.5 [INFO] [stderr] Compiling constvec v0.1.14 [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable 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 stable 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 stable 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 stable 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 const Add<&ConstVec<[T; N2]>> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ trait is not stable as const yet [INFO] [stdout] | [INFO] [stdout] = note: see issue #143802 for more information [INFO] [stdout] [INFO] [stdout] [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[1258]::{impl#8}::add::{constant#2}), args: ['{erased}, '{erased}, T/#2, N1/#3, N2/#4] } [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [INFO] [stderr] thread 'rustc' (50) panicked at compiler/rustc_const_eval/src/check_consts/qualifs.rs:359:13: [INFO] [stderr] Box [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x760023e50a23 - ::fmt::h4e0a3aeea0f9c085 [INFO] [stderr] 1: 0x760024601bd8 - core::fmt::write::hecf68a131630c74d [INFO] [stderr] 2: 0x760025cb57af - std::io::Write::write_fmt::h93c9a261259c931a [INFO] [stderr] 3: 0x760023e15ee2 - std::sys::backtrace::BacktraceLock::print::h75160192768e5621 [INFO] [stderr] 4: 0x760023e1be39 - std::panicking::default_hook::{{closure}}::h14d82797cfb1ddcb [INFO] [stderr] 5: 0x760023e1b963 - std::panicking::default_hook::h63f9bf8161c5d325 [INFO] [stderr] 6: 0x760022e024e7 - std[752e03a6421f8218]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 7: 0x760023e1c25f - std::panicking::panic_with_hook::h3173740e06bd0752 [INFO] [stderr] 8: 0x760022e3e9f1 - std[752e03a6421f8218]::panicking::begin_panic::::{closure#0} [INFO] [stderr] 9: 0x760022e32cd6 - std[752e03a6421f8218]::sys::backtrace::__rust_end_short_backtrace::::{closure#0}, !> [INFO] [stderr] 10: 0x760022e32067 - std[752e03a6421f8218]::panicking::begin_panic:: [INFO] [stderr] 11: 0x760022e49f11 - ::emit_producing_guarantee [INFO] [stderr] 12: 0x7600233f842a - rustc_middle[d4b0c03c541beb2b]::util::bug::opt_span_bug_fmt::::{closure#0} [INFO] [stderr] 13: 0x7600233f85ea - rustc_middle[d4b0c03c541beb2b]::ty::context::tls::with_opt::::{closure#0}, !>::{closure#0} [INFO] [stderr] 14: 0x7600233e71bb - rustc_middle[d4b0c03c541beb2b]::ty::context::tls::with_context_opt::::{closure#0}, !>::{closure#0}, !> [INFO] [stderr] 15: 0x7600204ea580 - rustc_middle[d4b0c03c541beb2b]::util::bug::bug_fmt [INFO] [stderr] 16: 0x76002629d8be - rustc_const_eval[2b0f9cc438ae4342]::check_consts::qualifs::in_operand:: as rustc_middle[d4b0c03c541beb2b]::mir::visit::Visitor>::visit_assign::{closure#0}>.cold [INFO] [stderr] 17: 0x7600250d6e24 - as rustc_mir_dataflow[1b71c9874433fe0f]::framework::Analysis>::apply_primary_statement_effect [INFO] [stderr] 18: 0x7600250d11c2 - ::has_mut_interior [INFO] [stderr] 19: 0x7600250d0606 - rustc_mir_transform[66c6cad113eb7cce]::mir_const_qualif [INFO] [stderr] 20: 0x7600250d03a5 - rustc_query_impl[105cc161e39911be]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 21: 0x7600250cf827 - rustc_query_system[eecf37c567c7c9f0]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[105cc161e39911be]::plumbing::QueryCtxt, false> [INFO] [stderr] 22: 0x7600250cf586 - rustc_query_impl[105cc161e39911be]::query_impl::mir_const_qualif::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 23: 0x760021a6a99d - rustc_mir_transform[66c6cad113eb7cce]::mir_promoted [INFO] [stderr] 24: 0x760024c9a592 - rustc_query_impl[105cc161e39911be]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 25: 0x760024c9a856 - rustc_query_system[eecf37c567c7c9f0]::query::plumbing::try_execute_query::, rustc_query_system[eecf37c567c7c9f0]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[105cc161e39911be]::plumbing::QueryCtxt, false> [INFO] [stderr] 26: 0x760024c9a3cc - rustc_query_impl[105cc161e39911be]::query_impl::mir_promoted::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 27: 0x760025863aa3 - rustc_borrowck[eaab8c8ea579b9c3]::mir_borrowck [INFO] [stderr] 28: 0x76002586395d - rustc_query_impl[105cc161e39911be]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 29: 0x76002481cd05 - rustc_query_system[eecf37c567c7c9f0]::query::plumbing::try_execute_query::, rustc_query_system[eecf37c567c7c9f0]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[105cc161e39911be]::plumbing::QueryCtxt, false> [INFO] [stderr] 30: 0x76002481c509 - rustc_query_impl[105cc161e39911be]::query_impl::mir_borrowck::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 31: 0x760024827602 - ::par_hir_body_owners::::{closure#0} [INFO] [stderr] 32: 0x760024824e99 - rustc_interface[356b87dbb86a0c69]::passes::analysis [INFO] [stderr] 33: 0x76002482434b - rustc_query_impl[105cc161e39911be]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 34: 0x760025736960 - rustc_query_system[eecf37c567c7c9f0]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[105cc161e39911be]::plumbing::QueryCtxt, false> [INFO] [stderr] 35: 0x7600257365b6 - rustc_query_impl[105cc161e39911be]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 36: 0x7600258bea24 - rustc_interface[356b87dbb86a0c69]::passes::create_and_enter_global_ctxt::, rustc_driver_impl[7060c14ee153e4be]::run_compiler::{closure#0}::{closure#2}>::{closure#2}::{closure#0} [INFO] [stderr] 37: 0x7600258ae6be - rustc_interface[356b87dbb86a0c69]::interface::run_compiler::<(), rustc_driver_impl[7060c14ee153e4be]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 38: 0x7600257de7b8 - std[752e03a6421f8218]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 39: 0x7600257de49c - <::spawn_unchecked_::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[23fa5c620bd8b707]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 40: 0x7600257e4a6f - std::sys::thread::unix::Thread::new::thread_start::h38da0f633f090ce2 [INFO] [stderr] 41: 0x76001f08aaa4 - [INFO] [stderr] 42: 0x76001f117a64 - clone [INFO] [stderr] 43: 0x0 - [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 (f8297e351 2025-10-28) 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 `::add` [INFO] [stderr] #1 [mir_promoted] promoting constants in MIR for `::add` [INFO] [stderr] #2 [mir_borrowck] borrow-checking `::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 5 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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] running `Command { std: "docker" "inspect" "491f0fe50cdf5f7ecafa4dfb625a552a2741ed989877a7a487c506d1268fad0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "491f0fe50cdf5f7ecafa4dfb625a552a2741ed989877a7a487c506d1268fad0d", kill_on_drop: false }` [INFO] [stdout] 491f0fe50cdf5f7ecafa4dfb625a552a2741ed989877a7a487c506d1268fad0d