[INFO] fetching crate serialization 0.2.12... [INFO] testing serialization-0.2.12 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1 [INFO] extracting crate serialization 0.2.12 into /workspace/builds/worker-2-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-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate serialization 0.2.12 on toolchain caccb4d0368bd918ef6668af8e13834d07040417 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tinyvec v1.8.1 [INFO] [stderr] Downloaded serialization_derive v0.2.12 [INFO] [stderr] Downloaded rend v0.5.2 [INFO] [stderr] Downloaded serde_derive v1.0.216 [INFO] [stderr] Downloaded terminal_size v0.4.1 [INFO] [stderr] Downloaded munge v0.4.1 [INFO] [stderr] Downloaded fastbuf v0.28.0 [INFO] [stderr] Downloaded uuid v1.11.0 [INFO] [stderr] Downloaded condtype v1.3.0 [INFO] [stderr] Downloaded constvec v0.1.14 [INFO] [stderr] Downloaded fastvarint v0.22.0 [INFO] [stderr] Downloaded bytemuck v1.20.0 [INFO] [stderr] Downloaded bitcode_derive v0.6.3 [INFO] [stderr] Downloaded divan v0.1.17 [INFO] [stderr] Downloaded clap v4.5.23 [INFO] [stderr] Downloaded bitcode v0.6.3 [INFO] [stderr] Downloaded regex-lite v0.1.6 [INFO] [stderr] Downloaded indexmap v2.7.0 [INFO] [stderr] Downloaded syn v2.0.90 [INFO] [stderr] Downloaded rancor v0.1.0 [INFO] [stderr] Downloaded rustix v0.38.42 [INFO] [stderr] Downloaded rkyv v0.8.9 [INFO] [stderr] Downloaded divan-macros v0.1.17 [INFO] [stderr] Downloaded glam v0.29.2 [INFO] [stderr] Downloaded derive_more-impl v1.0.0 [INFO] [stderr] Downloaded concat-idents-bruce0203 v1.1.6 [INFO] [stderr] Downloaded nonmax v0.5.5 [INFO] [stderr] Downloaded seq-macro v0.3.5 [INFO] [stderr] Downloaded clap_builder v4.5.23 [INFO] [stderr] Downloaded bytes v1.9.0 [INFO] [stderr] Downloaded hashbrown v0.15.2 [INFO] [stderr] Downloaded libc v0.2.168 [INFO] [stderr] Downloaded bytecheck_derive v0.8.0 [INFO] [stderr] Downloaded proc-macro2 v1.0.92 [INFO] [stderr] Downloaded derive_more v1.0.0 [INFO] [stderr] Downloaded bytecheck v0.8.0 [INFO] [stderr] Downloaded rkyv_derive v0.8.9 [INFO] [stderr] Downloaded serde v1.0.216 [INFO] [stderr] Downloaded munge_macro v0.4.1 [INFO] [stderr] Downloaded ptr_meta_derive v0.3.0 [INFO] [stderr] Downloaded ptr_meta v0.3.0 [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" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3db592d338bf0ebb90d6fa2322c117f11b86ded0aa899bd1c120137eef211ce1 [INFO] running `Command { std: "docker" "start" "-a" "3db592d338bf0ebb90d6fa2322c117f11b86ded0aa899bd1c120137eef211ce1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3db592d338bf0ebb90d6fa2322c117f11b86ded0aa899bd1c120137eef211ce1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3db592d338bf0ebb90d6fa2322c117f11b86ded0aa899bd1c120137eef211ce1", kill_on_drop: false }` [INFO] [stdout] 3db592d338bf0ebb90d6fa2322c117f11b86ded0aa899bd1c120137eef211ce1 [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" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f870c72445266cacb287c1649701b1012dbbdf220d70c953bf6eefd0ef900963 [INFO] running `Command { std: "docker" "start" "-a" "f870c72445266cacb287c1649701b1012dbbdf220d70c953bf6eefd0ef900963", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.92 [INFO] [stderr] Compiling unicode-ident v1.0.14 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Compiling serde v1.0.216 [INFO] [stderr] Compiling seq-macro v0.3.5 [INFO] [stderr] Compiling simdutf8 v0.1.5 [INFO] [stderr] Compiling uuid v1.11.0 [INFO] [stderr] Compiling fastbuf v0.28.0 [INFO] [stderr] Compiling arrayvec v0.7.6 [INFO] [stderr] Compiling constvec v0.1.14 [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] = help: add `#![feature(const_ops)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-09-24; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [INFO] [stderr] thread 'rustc' (86) panicked at compiler/rustc_const_eval/src/check_consts/qualifs.rs:357:13: [INFO] [stderr] Box [INFO] [stderr] stack backtrace: [INFO] [stdout] error: internal compiler error: compiler/rustc_const_eval/src/check_consts/qualifs.rs:357:13: expected ConstKind::Param or ConstKind::Value here, found UnevaluatedConst { def: DefId(0:111 ~ constvec[88af]::{impl#8}::add::{constant#2}), args: ['{erased}, '{erased}, T/#2, N1/#3, N2/#4] } [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] 0: 0x79e4bb7cc243 - ::fmt::h52160e9da139e442 [INFO] [stderr] 1: 0x79e4bbe02004 - core::fmt::write::hf09a056a304e021a [INFO] [stderr] 2: 0x79e4bb780ac1 - std::io::Write::write_fmt::h361c7127187cda65 [INFO] [stderr] 3: 0x79e4bb791fb2 - std::sys::backtrace::BacktraceLock::print::h15104dbcf0fd1f14 [INFO] [stderr] 4: 0x79e4bb797f19 - std::panicking::default_hook::{{closure}}::h0fa6cd8dbe0dd76b [INFO] [stderr] 5: 0x79e4bb797a43 - std::panicking::default_hook::h8d20506cf72e4831 [INFO] [stderr] 6: 0x79e4ba7bc747 - std[7e5923e4fb083e6e]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 7: 0x79e4bb79833f - std::panicking::panic_with_hook::h746880a052e02c85 [INFO] [stderr] 8: 0x79e4ba7f89d1 - std[7e5923e4fb083e6e]::panicking::begin_panic::::{closure#0} [INFO] [stderr] 9: 0x79e4ba7ec346 - std[7e5923e4fb083e6e]::sys::backtrace::__rust_end_short_backtrace::::{closure#0}, !> [INFO] [stderr] 10: 0x79e4ba7e9c89 - std[7e5923e4fb083e6e]::panicking::begin_panic:: [INFO] [stderr] 11: 0x79e4ba8040c1 - ::emit_producing_guarantee [INFO] [stderr] 12: 0x79e4bad9613a - rustc_middle[85294cbce27cd394]::util::bug::opt_span_bug_fmt::::{closure#0} [INFO] [stderr] 13: 0x79e4bad9619a - rustc_middle[85294cbce27cd394]::ty::context::tls::with_opt::::{closure#0}, !>::{closure#0} [INFO] [stderr] 14: 0x79e4bad8497b - rustc_middle[85294cbce27cd394]::ty::context::tls::with_context_opt::::{closure#0}, !>::{closure#0}, !> [INFO] [stderr] 15: 0x79e4b95b51e0 - rustc_middle[85294cbce27cd394]::util::bug::bug_fmt [INFO] [stderr] 16: 0x79e4bdafc30f - rustc_const_eval[776b5f2f27615342]::check_consts::qualifs::in_operand:: as rustc_middle[85294cbce27cd394]::mir::visit::Visitor>::visit_assign::{closure#0}>.cold [INFO] [stderr] 17: 0x79e4bc9476e4 - as rustc_mir_dataflow[cda90f794aed1316]::framework::Analysis>::apply_primary_statement_effect [INFO] [stderr] 18: 0x79e4bc9419c2 - ::has_mut_interior [INFO] [stderr] 19: 0x79e4bc940e06 - rustc_mir_transform[c2bf3504227b03e4]::mir_const_qualif [INFO] [stderr] 20: 0x79e4bc940ba9 - rustc_query_impl[f5e7cf8f1e8ef554]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 21: 0x79e4bc94004b - rustc_query_system[70b7ad0dceeed8ae]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[f5e7cf8f1e8ef554]::plumbing::QueryCtxt, false> [INFO] [stderr] 22: 0x79e4bc93fd8a - rustc_query_impl[f5e7cf8f1e8ef554]::query_impl::mir_const_qualif::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 23: 0x79e4b91526fd - rustc_mir_transform[c2bf3504227b03e4]::mir_promoted [INFO] [stderr] 24: 0x79e4bc7f3252 - rustc_query_impl[f5e7cf8f1e8ef554]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 25: 0x79e4bc7f34fe - rustc_query_system[70b7ad0dceeed8ae]::query::plumbing::try_execute_query::, rustc_query_system[70b7ad0dceeed8ae]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[f5e7cf8f1e8ef554]::plumbing::QueryCtxt, false> [INFO] [stderr] 26: 0x79e4bc7f3092 - rustc_query_impl[f5e7cf8f1e8ef554]::query_impl::mir_promoted::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 27: 0x79e4bd002ea3 - rustc_borrowck[1aa8fdff2e632214]::mir_borrowck [INFO] [stderr] 28: 0x79e4bd002d5d - rustc_query_impl[f5e7cf8f1e8ef554]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 29: 0x79e4bbfd19c4 - rustc_query_system[70b7ad0dceeed8ae]::query::plumbing::try_execute_query::, rustc_query_system[70b7ad0dceeed8ae]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[f5e7cf8f1e8ef554]::plumbing::QueryCtxt, false> [INFO] [stderr] 30: 0x79e4bbfd6309 - rustc_query_impl[f5e7cf8f1e8ef554]::query_impl::mir_borrowck::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 31: 0x79e4bbfd64bc - ::par_hir_body_owners::::{closure#0} [INFO] [stderr] 32: 0x79e4bbfd38cc - rustc_interface[2ea1c423c56ccb20]::passes::analysis [INFO] [stderr] 33: 0x79e4bbfd2d6d - rustc_query_impl[f5e7cf8f1e8ef554]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 34: 0x79e4bce92a48 - rustc_query_system[70b7ad0dceeed8ae]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[f5e7cf8f1e8ef554]::plumbing::QueryCtxt, false> [INFO] [stderr] 35: 0x79e4bce92708 - rustc_query_impl[f5e7cf8f1e8ef554]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 36: 0x79e4bd20ec4f - rustc_interface[2ea1c423c56ccb20]::passes::create_and_enter_global_ctxt::, rustc_driver_impl[bee8db6accd21c89]::run_compiler::{closure#0}::{closure#2}>::{closure#2}::{closure#0} [INFO] [stderr] 37: 0x79e4bcfdd87e - rustc_interface[2ea1c423c56ccb20]::interface::run_compiler::<(), rustc_driver_impl[bee8db6accd21c89]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 38: 0x79e4bcf62b38 - std[7e5923e4fb083e6e]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 39: 0x79e4bcf6281c - <::spawn_unchecked_::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[a75fa55fde0009ec]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 40: 0x79e4bcf685cd - std::sys::thread::unix::Thread::new::thread_start::h14ea1ba6e320367c [INFO] [stderr] 41: 0x79e4b6a8aaa4 - [INFO] [stderr] 42: 0x79e4b6b17a34 - 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: 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-2025-10-01T18_48_55-81.txt`: Read-only file system (os error 30) [INFO] [stderr] [INFO] [stderr] note: rustc 1.92.0-nightly (caccb4d03 2025-09-24) 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] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [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 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "f870c72445266cacb287c1649701b1012dbbdf220d70c953bf6eefd0ef900963", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f870c72445266cacb287c1649701b1012dbbdf220d70c953bf6eefd0ef900963", kill_on_drop: false }` [INFO] [stdout] f870c72445266cacb287c1649701b1012dbbdf220d70c953bf6eefd0ef900963