[INFO] fetching crate constvec 0.1.14... [INFO] testing constvec-0.1.14 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] extracting crate constvec 0.1.14 into /workspace/builds/worker-3-tc1/source [INFO] started tweaking crates.io crate constvec 0.1.14 [INFO] finished tweaking crates.io crate constvec 0.1.14 [INFO] tweaked toml for crates.io crate constvec 0.1.14 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate constvec 0.1.14 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 constvec 0.1.14 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d760a2538ab416da28c139cb3fc8d3446d829badcb301eb0b5dbce83729b4c46 [INFO] running `Command { std: "docker" "start" "-a" "d760a2538ab416da28c139cb3fc8d3446d829badcb301eb0b5dbce83729b4c46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d760a2538ab416da28c139cb3fc8d3446d829badcb301eb0b5dbce83729b4c46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d760a2538ab416da28c139cb3fc8d3446d829badcb301eb0b5dbce83729b4c46", kill_on_drop: false }` [INFO] [stdout] d760a2538ab416da28c139cb3fc8d3446d829badcb301eb0b5dbce83729b4c46 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3296c4712a5e2f161989790d67548df325298eecc19e92fffa9349967252ac59 [INFO] running `Command { std: "docker" "start" "-a" "3296c4712a5e2f161989790d67548df325298eecc19e92fffa9349967252ac59", kill_on_drop: false }` [INFO] [stderr] Compiling constvec v0.1.14 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(generic_const_exprs)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #76560 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable const library feature `const_ops` [INFO] [stdout] --> 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] [stdout] warning: the feature `const_copy_from_slice` has been stable since 1.87.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(const_copy_from_slice)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Pointer` [INFO] [stdout] --> src/lib.rs:8:18 [INFO] [stdout] | [INFO] [stdout] 8 | fmt::{Debug, Pointer}, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [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[12aa]::{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: 0x795705ce8743 - ::fmt::hb9fc0e74cd3e2ce7 [INFO] [stderr] 1: 0x795706402c7f - core::fmt::write::h44c4c28224d1d425 [INFO] [stderr] 2: 0x795705cde3d3 - std::io::Write::write_fmt::h7c137d8faa040f47 [INFO] [stderr] 3: 0x795705ce85a2 - std::sys::backtrace::BacktraceLock::print::hdd765023e0895687 [INFO] [stderr] 4: 0x795705cec09a - std::panicking::default_hook::{{closure}}::h3703709d08ff9881 [INFO] [stderr] 5: 0x795705cebc1f - std::panicking::default_hook::h52db45a3301fd26f [INFO] [stderr] 6: 0x795704ddf3b7 - std[bf97e05a5bb10774]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 7: 0x795705cec8f3 - std::panicking::rust_panic_with_hook::h6c4d7d69d053bb09 [INFO] [stderr] 8: 0x795704e1c601 - std[bf97e05a5bb10774]::panicking::begin_panic::::{closure#0} [INFO] [stderr] 9: 0x795704e10aa6 - std[bf97e05a5bb10774]::sys::backtrace::__rust_end_short_backtrace::::{closure#0}, !> [INFO] [stderr] 10: 0x795704e10995 - std[bf97e05a5bb10774]::panicking::begin_panic:: [INFO] [stderr] 11: 0x795704e26351 - ::emit_producing_guarantee [INFO] [stderr] 12: 0x7957053e561a - rustc_middle[d5e17fe042e45547]::util::bug::opt_span_bug_fmt::::{closure#0} [INFO] [stderr] 13: 0x7957053c51fa - rustc_middle[d5e17fe042e45547]::ty::context::tls::with_opt::::{closure#0}, !>::{closure#0} [INFO] [stderr] 14: 0x7957053c506b - rustc_middle[d5e17fe042e45547]::ty::context::tls::with_context_opt::::{closure#0}, !>::{closure#0}, !> [INFO] [stderr] 15: 0x795702492cd0 - rustc_middle[d5e17fe042e45547]::util::bug::bug_fmt [INFO] [stderr] 16: 0x795708167f04 - rustc_const_eval[b9bcb5809289869]::check_consts::qualifs::in_operand:: as rustc_middle[d5e17fe042e45547]::mir::visit::Visitor>::visit_assign::{closure#0}>.cold [INFO] [stderr] 17: 0x7957070e41a5 - as rustc_mir_dataflow[cadd4fcece7ee0d1]::framework::Analysis>::apply_primary_statement_effect [INFO] [stderr] 18: 0x7957070e6105 - ::has_mut_interior [INFO] [stderr] 19: 0x7957070e5bed - ::qualifs_in_return_place [INFO] [stderr] 20: 0x7957070e54a1 - rustc_mir_transform[9207c6389cd5c68d]::mir_const_qualif [INFO] [stderr] 21: 0x7957070e5327 - rustc_query_impl[cec75fac04df0ded]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 22: 0x7957070e47b3 - rustc_query_system[5a682fe36050f03b]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[cec75fac04df0ded]::plumbing::QueryCtxt, false> [INFO] [stderr] 23: 0x7957070e4510 - rustc_query_impl[cec75fac04df0ded]::query_impl::mir_const_qualif::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 24: 0x795703cb44e2 - rustc_mir_transform[9207c6389cd5c68d]::mir_promoted [INFO] [stderr] 25: 0x7957066661d2 - rustc_query_impl[cec75fac04df0ded]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 26: 0x795706666482 - 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: 0x7957066660ce - rustc_query_impl[cec75fac04df0ded]::query_impl::mir_promoted::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 28: 0x7957066591a8 - rustc_borrowck[732c70737ac03665]::mir_borrowck [INFO] [stderr] 29: 0x795706659059 - rustc_query_impl[cec75fac04df0ded]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 30: 0x795706657e6e - 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: 0x795706657749 - rustc_query_impl[cec75fac04df0ded]::query_impl::mir_borrowck::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 32: 0x795706d4b795 - ::par_hir_body_owners::::{closure#0} [INFO] [stderr] 33: 0x795706d491e8 - rustc_interface[2bdac790f27f0231]::passes::analysis [INFO] [stderr] 34: 0x795706d486ad - rustc_query_impl[cec75fac04df0ded]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 35: 0x7957074333fc - rustc_query_system[5a682fe36050f03b]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[cec75fac04df0ded]::plumbing::QueryCtxt, false> [INFO] [stderr] 36: 0x7957074330d2 - rustc_query_impl[cec75fac04df0ded]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 37: 0x79570767fd56 - 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: 0x795707653563 - rustc_interface[2bdac790f27f0231]::interface::run_compiler::<(), rustc_driver_impl[d62922c382804067]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 39: 0x795707632df8 - std[bf97e05a5bb10774]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 40: 0x795707632ad6 - <::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: 0x795707635e83 - std::sys::pal::unix::thread::Thread::new::thread_start::ha73048ec7e971876 [INFO] [stderr] 42: 0x79570108aaa4 - [INFO] [stderr] 43: 0x795701117a34 - 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/workdir/rustc-ice-2025-06-29T13_51_26-25.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; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "3296c4712a5e2f161989790d67548df325298eecc19e92fffa9349967252ac59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3296c4712a5e2f161989790d67548df325298eecc19e92fffa9349967252ac59", kill_on_drop: false }` [INFO] [stdout] 3296c4712a5e2f161989790d67548df325298eecc19e92fffa9349967252ac59