[INFO] fetching crate serialization 0.2.12... [INFO] checking serialization-0.2.12 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [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 cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serialization_derive v0.2.12 [INFO] [stderr] Downloaded rkyv_derive v0.8.9 [INFO] [stderr] Downloaded constvec v0.1.14 [INFO] [stderr] Downloaded fastbuf v0.28.0 [INFO] [stderr] Downloaded concat-idents-bruce0203 v1.1.6 [INFO] [stderr] Downloaded divan-macros v0.1.17 [INFO] [stderr] Downloaded fastvarint v0.22.0 [INFO] [stderr] Downloaded divan v0.1.17 [INFO] [stderr] Downloaded rkyv v0.8.9 [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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8b0338afa67fa7862e0b2f45afcf8c069ccf2e5f920bfc1b25685349396b1f48 [INFO] running `Command { std: "docker" "start" "-a" "8b0338afa67fa7862e0b2f45afcf8c069ccf2e5f920bfc1b25685349396b1f48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8b0338afa67fa7862e0b2f45afcf8c069ccf2e5f920bfc1b25685349396b1f48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b0338afa67fa7862e0b2f45afcf8c069ccf2e5f920bfc1b25685349396b1f48", kill_on_drop: false }` [INFO] [stdout] 8b0338afa67fa7862e0b2f45afcf8c069ccf2e5f920bfc1b25685349396b1f48 [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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 87b3a0c9b4b87b342a7505965a0d68e21e0269d2b2bc4188af9c4920791189d0 [INFO] running `Command { std: "docker" "start" "-a" "87b3a0c9b4b87b342a7505965a0d68e21e0269d2b2bc4188af9c4920791189d0", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.92 [INFO] [stderr] Compiling unicode-ident v1.0.14 [INFO] [stderr] Compiling libc v0.2.168 [INFO] [stderr] Compiling serde v1.0.216 [INFO] [stderr] Compiling rustix v0.38.42 [INFO] [stderr] Checking linux-raw-sys v0.4.14 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking bitflags v2.6.0 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Checking simdutf8 v0.1.5 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking anstyle v1.0.10 [INFO] [stderr] Checking clap_lex v0.7.4 [INFO] [stderr] Compiling seq-macro v0.3.5 [INFO] [stderr] Checking condtype v1.3.0 [INFO] [stderr] Checking fastbuf v0.28.0 [INFO] [stderr] Checking hashbrown v0.15.2 [INFO] [stderr] Checking uuid v1.11.0 [INFO] [stderr] Checking 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 #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 2025-06-28; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking regex-lite v0.1.6 [INFO] [stderr] Checking bytemuck v1.20.0 [INFO] [stderr] Checking arrayvec v0.7.6 [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[7e75]::{impl#8}::add::{constant#2}), args: ['{erased}, '{erased}, T/#2, N1/#3, N2/#4] } [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [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: 0x7f63a3ebe733 - ::fmt::h0ee684fa48ea65a9 [INFO] [stderr] 1: 0x7f63a4602bbf - core::fmt::write::ha7e9dac23b0574fc [INFO] [stderr] 2: 0x7f63a3eb4263 - std::io::Write::write_fmt::h74c2ee93ac2161e6 [INFO] [stderr] 3: 0x7f63a3ebe592 - std::sys::backtrace::BacktraceLock::print::h5d2ec0ae212b38da [INFO] [stderr] 4: 0x7f63a3ec208a - std::panicking::default_hook::{{closure}}::h919f804d261dd9ce [INFO] [stderr] 5: 0x7f63a3ec1c0f - std::panicking::default_hook::h96273494815ab2d6 [INFO] [stderr] 6: 0x7f63a2f89453 - std[830672ecc2e6c505]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 7: 0x7f63a3ec28db - std::panicking::rust_panic_with_hook::hd760048b5d2d6151 [INFO] [stderr] 8: 0x7f63a2fc2f41 - std[830672ecc2e6c505]::panicking::begin_panic::::{closure#0} [INFO] [stderr] 9: 0x7f63a2fb74b6 - std[830672ecc2e6c505]::sys::backtrace::__rust_end_short_backtrace::::{closure#0}, !> [INFO] [stderr] 10: 0x7f63a2fb4015 - std[830672ecc2e6c505]::panicking::begin_panic:: [INFO] [stderr] 11: 0x7f63a2fcca21 - ::emit_producing_guarantee [INFO] [stderr] 12: 0x7f63a3597e8a - rustc_middle[f250fd4ccc17d524]::util::bug::opt_span_bug_fmt::::{closure#0} [INFO] [stderr] 13: 0x7f63a3577fda - rustc_middle[f250fd4ccc17d524]::ty::context::tls::with_opt::::{closure#0}, !>::{closure#0} [INFO] [stderr] 14: 0x7f63a3577e4b - rustc_middle[f250fd4ccc17d524]::ty::context::tls::with_context_opt::::{closure#0}, !>::{closure#0}, !> [INFO] [stderr] 15: 0x7f63a06a6360 - rustc_middle[f250fd4ccc17d524]::util::bug::bug_fmt [INFO] [stderr] 16: 0x7f63a630b8fe - rustc_const_eval[66e06160968c788a]::check_consts::qualifs::in_operand:: as rustc_middle[f250fd4ccc17d524]::mir::visit::Visitor>::visit_assign::{closure#0}>.cold [INFO] [stderr] 17: 0x7f63a51ec451 - as rustc_mir_dataflow[a38606f9d9c6181e]::framework::Analysis>::apply_primary_statement_effect [INFO] [stderr] 18: 0x7f63a51e6785 - ::has_mut_interior [INFO] [stderr] 19: 0x7f63a51e626d - ::qualifs_in_return_place [INFO] [stderr] 20: 0x7f63a51e5b21 - rustc_mir_transform[d61f517093974f4f]::mir_const_qualif [INFO] [stderr] 21: 0x7f63a51e59a5 - rustc_query_impl[b1e345ff3b796975]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 22: 0x7f63a51e4e0f - rustc_query_system[efe3bbe14cc0c383]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[b1e345ff3b796975]::plumbing::QueryCtxt, false> [INFO] [stderr] 23: 0x7f63a51e4b86 - rustc_query_impl[b1e345ff3b796975]::query_impl::mir_const_qualif::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 24: 0x7f63a1dc79d3 - rustc_mir_transform[d61f517093974f4f]::mir_promoted [INFO] [stderr] 25: 0x7f63a4ee4092 - rustc_query_impl[b1e345ff3b796975]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 26: 0x7f63a4ee4330 - rustc_query_system[efe3bbe14cc0c383]::query::plumbing::try_execute_query::, rustc_query_system[efe3bbe14cc0c383]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[b1e345ff3b796975]::plumbing::QueryCtxt, false> [INFO] [stderr] 27: 0x7f63a4ee3edc - rustc_query_impl[b1e345ff3b796975]::query_impl::mir_promoted::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 28: 0x7f63a486ec28 - rustc_borrowck[1ebbcb853750c751]::mir_borrowck [INFO] [stderr] 29: 0x7f63a486ead9 - rustc_query_impl[b1e345ff3b796975]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 30: 0x7f63a486dbae - rustc_query_system[efe3bbe14cc0c383]::query::plumbing::try_execute_query::, rustc_query_system[efe3bbe14cc0c383]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[b1e345ff3b796975]::plumbing::QueryCtxt, false> [INFO] [stderr] 31: 0x7f63a486c289 - rustc_query_impl[b1e345ff3b796975]::query_impl::mir_borrowck::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 32: 0x7f63a486c437 - ::par_hir_body_owners::::{closure#0} [INFO] [stderr] 33: 0x7f63a4869db2 - rustc_interface[5cef43cd7eaf25c8]::passes::analysis [INFO] [stderr] 34: 0x7f63a486928b - rustc_query_impl[b1e345ff3b796975]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 35: 0x7f63a569453c - rustc_query_system[efe3bbe14cc0c383]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[b1e345ff3b796975]::plumbing::QueryCtxt, false> [INFO] [stderr] 36: 0x7f63a5694212 - rustc_query_impl[b1e345ff3b796975]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 37: 0x7f63a5859016 - rustc_interface[5cef43cd7eaf25c8]::passes::create_and_enter_global_ctxt::, rustc_driver_impl[99160c7adc3455e4]::run_compiler::{closure#0}::{closure#2}>::{closure#2}::{closure#0} [INFO] [stderr] 38: 0x7f63a5822aaf - rustc_interface[5cef43cd7eaf25c8]::interface::run_compiler::<(), rustc_driver_impl[99160c7adc3455e4]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 39: 0x7f63a57e86b8 - std[830672ecc2e6c505]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 40: 0x7f63a57e8396 - <::spawn_unchecked_::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[d544fb7e1ae8095a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 41: 0x7f63a57e69bd - std::sys::pal::unix::thread::Thread::new::thread_start::h2bc5ed2d21820d0e [INFO] [stderr] 42: 0x7f639f28aaa4 - [INFO] [stderr] 43: 0x7f639f317a34 - 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-2025-06-29T23_06_37-120.txt`: Read-only file system (os error 30) [INFO] [stderr] [INFO] [stderr] note: rustc 1.90.0-nightly (cf38b8e66 2025-06-28) 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] [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" "87b3a0c9b4b87b342a7505965a0d68e21e0269d2b2bc4188af9c4920791189d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "87b3a0c9b4b87b342a7505965a0d68e21e0269d2b2bc4188af9c4920791189d0", kill_on_drop: false }` [INFO] [stdout] 87b3a0c9b4b87b342a7505965a0d68e21e0269d2b2bc4188af9c4920791189d0