[INFO] fetching crate serialization 0.2.12... [INFO] testing serialization-0.2.12 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [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 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded seq-macro v0.3.5 [INFO] [stderr] Downloaded fastbuf v0.28.0 [INFO] [stderr] Downloaded fastvarint v0.22.0 [INFO] [stderr] Downloaded condtype v1.3.0 [INFO] [stderr] Downloaded clap v4.5.23 [INFO] [stderr] Downloaded bitcode_derive v0.6.3 [INFO] [stderr] Downloaded concat-idents-bruce0203 v1.1.6 [INFO] [stderr] Downloaded terminal_size v0.4.1 [INFO] [stderr] Downloaded bitcode v0.6.3 [INFO] [stderr] Downloaded clap_builder v4.5.23 [INFO] [stderr] Downloaded divan v0.1.17 [INFO] [stderr] Downloaded divan-macros v0.1.17 [INFO] [stderr] Downloaded constvec v0.1.14 [INFO] [stderr] Downloaded regex-lite v0.1.6 [INFO] [stderr] Downloaded rustix v0.38.42 [INFO] [stderr] Downloaded glam v0.29.2 [INFO] [stderr] Downloaded serialization_derive v0.2.12 [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 109605b342d25eb164127187d770ed1cd691c6bdd1096c382d03861ab99b2c5f [INFO] running `Command { std: "docker" "start" "-a" "109605b342d25eb164127187d770ed1cd691c6bdd1096c382d03861ab99b2c5f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "109605b342d25eb164127187d770ed1cd691c6bdd1096c382d03861ab99b2c5f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "109605b342d25eb164127187d770ed1cd691c6bdd1096c382d03861ab99b2c5f", kill_on_drop: false }` [INFO] [stdout] 109605b342d25eb164127187d770ed1cd691c6bdd1096c382d03861ab99b2c5f [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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 8e8661610d6ae25c2d7321c7f11851c190ee73b06ef5ce031df7437c9312cf39 [INFO] running `Command { std: "docker" "start" "-a" "8e8661610d6ae25c2d7321c7f11851c190ee73b06ef5ce031df7437c9312cf39", 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 unicode-xid v0.2.6 [INFO] [stderr] Compiling seq-macro v0.3.5 [INFO] [stderr] Compiling arrayvec v0.7.6 [INFO] [stderr] Compiling constvec v0.1.14 [INFO] [stderr] Compiling fastbuf v0.28.0 [INFO] [stderr] Compiling uuid v1.11.0 [INFO] [stderr] Compiling simdutf8 v0.1.5 [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 #90080 for more information [INFO] [stdout] = help: add `#![feature(const_ops)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-06-19; consider upgrading it if it is out of date [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[65ec]::{impl#8}::add::{constant#2}), args: ['{erased}, '{erased}, T/#2, N1/#3, N2/#4] } [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] thread 'rustc' panicked at compiler/rustc_const_eval/src/check_consts/qualifs.rs:359:13: [INFO] [stderr] Box [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x74c3638e8743 - ::fmt::hb9fc0e74cd3e2ce7 [INFO] [stderr] 1: 0x74c364002c7f - core::fmt::write::h44c4c28224d1d425 [INFO] [stderr] 2: 0x74c3638de3d3 - std::io::Write::write_fmt::h7c137d8faa040f47 [INFO] [stderr] 3: 0x74c3638e85a2 - std::sys::backtrace::BacktraceLock::print::hdd765023e0895687 [INFO] [stderr] 4: 0x74c3638ec09a - std::panicking::default_hook::{{closure}}::h3703709d08ff9881 [INFO] [stderr] 5: 0x74c3638ebc1f - std::panicking::default_hook::h52db45a3301fd26f [INFO] [stderr] 6: 0x74c3629df3b7 - std[bf97e05a5bb10774]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 7: 0x74c3638ec8f3 - std::panicking::rust_panic_with_hook::h6c4d7d69d053bb09 [INFO] [stderr] 8: 0x74c362a1c601 - std[bf97e05a5bb10774]::panicking::begin_panic::::{closure#0} [INFO] [stderr] 9: 0x74c362a10aa6 - std[bf97e05a5bb10774]::sys::backtrace::__rust_end_short_backtrace::::{closure#0}, !> [INFO] [stderr] 10: 0x74c362a10995 - std[bf97e05a5bb10774]::panicking::begin_panic:: [INFO] [stderr] 11: 0x74c362a26351 - ::emit_producing_guarantee [INFO] [stderr] 12: 0x74c362fe561a - rustc_middle[d5e17fe042e45547]::util::bug::opt_span_bug_fmt::::{closure#0} [INFO] [stderr] 13: 0x74c362fc51fa - rustc_middle[d5e17fe042e45547]::ty::context::tls::with_opt::::{closure#0}, !>::{closure#0} [INFO] [stderr] 14: 0x74c362fc506b - rustc_middle[d5e17fe042e45547]::ty::context::tls::with_context_opt::::{closure#0}, !>::{closure#0}, !> [INFO] [stderr] 15: 0x74c360092cd0 - rustc_middle[d5e17fe042e45547]::util::bug::bug_fmt [INFO] [stderr] 16: 0x74c365d67f04 - rustc_const_eval[b9bcb5809289869]::check_consts::qualifs::in_operand:: as rustc_middle[d5e17fe042e45547]::mir::visit::Visitor>::visit_assign::{closure#0}>.cold [INFO] [stderr] 17: 0x74c364ce41a5 - as rustc_mir_dataflow[cadd4fcece7ee0d1]::framework::Analysis>::apply_primary_statement_effect [INFO] [stderr] 18: 0x74c364ce6105 - ::has_mut_interior [INFO] [stderr] 19: 0x74c364ce5bed - ::qualifs_in_return_place [INFO] [stderr] 20: 0x74c364ce54a1 - rustc_mir_transform[9207c6389cd5c68d]::mir_const_qualif [INFO] [stderr] 21: 0x74c364ce5327 - rustc_query_impl[cec75fac04df0ded]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 22: 0x74c364ce47b3 - rustc_query_system[5a682fe36050f03b]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[cec75fac04df0ded]::plumbing::QueryCtxt, false> [INFO] [stderr] 23: 0x74c364ce4510 - rustc_query_impl[cec75fac04df0ded]::query_impl::mir_const_qualif::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 24: 0x74c3618b44e2 - rustc_mir_transform[9207c6389cd5c68d]::mir_promoted [INFO] [stderr] 25: 0x74c3642661d2 - rustc_query_impl[cec75fac04df0ded]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 26: 0x74c364266482 - rustc_query_system[5a682fe36050f03b]::query::plumbing::try_execute_query::, rustc_query_system[5a682fe36050f03b]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[cec75fac04df0ded]::plumbing::QueryCtxt, false> [INFO] [stderr] 27: 0x74c3642660ce - rustc_query_impl[cec75fac04df0ded]::query_impl::mir_promoted::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 28: 0x74c3642591a8 - rustc_borrowck[732c70737ac03665]::mir_borrowck [INFO] [stderr] 29: 0x74c364259059 - rustc_query_impl[cec75fac04df0ded]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 30: 0x74c364257e6e - rustc_query_system[5a682fe36050f03b]::query::plumbing::try_execute_query::, rustc_query_system[5a682fe36050f03b]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[cec75fac04df0ded]::plumbing::QueryCtxt, false> [INFO] [stderr] 31: 0x74c364257749 - rustc_query_impl[cec75fac04df0ded]::query_impl::mir_borrowck::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 32: 0x74c36494b795 - ::par_hir_body_owners::::{closure#0} [INFO] [stderr] 33: 0x74c3649491e8 - rustc_interface[2bdac790f27f0231]::passes::analysis [INFO] [stderr] 34: 0x74c3649486ad - rustc_query_impl[cec75fac04df0ded]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 35: 0x74c3650333fc - rustc_query_system[5a682fe36050f03b]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[cec75fac04df0ded]::plumbing::QueryCtxt, false> [INFO] [stderr] 36: 0x74c3650330d2 - rustc_query_impl[cec75fac04df0ded]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 37: 0x74c36527fd56 - rustc_interface[2bdac790f27f0231]::passes::create_and_enter_global_ctxt::, rustc_driver_impl[d62922c382804067]::run_compiler::{closure#0}::{closure#2}>::{closure#2}::{closure#0} [INFO] [stderr] 38: 0x74c365253563 - rustc_interface[2bdac790f27f0231]::interface::run_compiler::<(), rustc_driver_impl[d62922c382804067]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 39: 0x74c365232df8 - std[bf97e05a5bb10774]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 40: 0x74c365232ad6 - <::spawn_unchecked_::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[81a4cb8eb9e2bcc9]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 41: 0x74c365235e83 - std::sys::pal::unix::thread::Thread::new::thread_start::ha73048ec7e971876 [INFO] [stderr] 42: 0x74c366acbaa4 - [INFO] [stderr] 43: 0x74c366b58a34 - clone [INFO] [stderr] 44: 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-2025-06-29T16_14_24-39.txt`: Read-only file system (os error 30) [INFO] [stderr] [INFO] [stderr] note: rustc 1.89.0-nightly (8de4c7234 2025-06-19) 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] [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" "8e8661610d6ae25c2d7321c7f11851c190ee73b06ef5ce031df7437c9312cf39", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e8661610d6ae25c2d7321c7f11851c190ee73b06ef5ce031df7437c9312cf39", kill_on_drop: false }` [INFO] [stdout] 8e8661610d6ae25c2d7321c7f11851c190ee73b06ef5ce031df7437c9312cf39