[INFO] fetching crate serialization_minecraft 0.2.13... [INFO] building serialization_minecraft-0.2.13 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2 [INFO] extracting crate serialization_minecraft 0.2.13 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate serialization_minecraft 0.2.13 [INFO] finished tweaking crates.io crate serialization_minecraft 0.2.13 [INFO] tweaked toml for crates.io crate serialization_minecraft 0.2.13 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate serialization_minecraft 0.2.13 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate serialization_minecraft 0.2.13 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ffb947b7ff86fe9043b6714699328731292028fb1d905cd38fb1fccb1cac05ab [INFO] running `Command { std: "docker" "start" "-a" "ffb947b7ff86fe9043b6714699328731292028fb1d905cd38fb1fccb1cac05ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ffb947b7ff86fe9043b6714699328731292028fb1d905cd38fb1fccb1cac05ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ffb947b7ff86fe9043b6714699328731292028fb1d905cd38fb1fccb1cac05ab", kill_on_drop: false }` [INFO] [stdout] ffb947b7ff86fe9043b6714699328731292028fb1d905cd38fb1fccb1cac05ab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 35efd3da97d05efa12af6406928ddca07896839d248ab7b7ffd195ff357c35fc [INFO] running `Command { std: "docker" "start" "-a" "35efd3da97d05efa12af6406928ddca07896839d248ab7b7ffd195ff357c35fc", 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 unicode-segmentation v1.12.0 [INFO] [stderr] Compiling unicode-xid v0.2.6 [INFO] [stderr] Compiling fastbuf v0.28.0 [INFO] [stderr] Compiling uuid v1.11.0 [INFO] [stderr] Compiling arrayvec v0.7.6 [INFO] [stderr] Compiling seq-macro v0.3.5 [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 2025-09-28; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [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[6fc8]::{impl#8}::add::{constant#2}), args: ['{erased}, '{erased}, T/#2, N1/#3, N2/#4] } [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [INFO] [stderr] thread 'rustc' (194) panicked at compiler/rustc_const_eval/src/check_consts/qualifs.rs:357:13: [INFO] [stderr] Box [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x79f2787cbc73 - ::fmt::h2212f3765287aa3c [INFO] [stderr] 1: 0x79f278e01f98 - core::fmt::write::he00b92b9582c1fe6 [INFO] [stderr] 2: 0x79f278782661 - std::io::Write::write_fmt::h4a31dcab881658aa [INFO] [stderr] 3: 0x79f278793792 - std::sys::backtrace::BacktraceLock::print::h88b4e5cf8cc5573c [INFO] [stderr] 4: 0x79f278797b09 - std::panicking::default_hook::{{closure}}::h59b171bf4b799798 [INFO] [stderr] 5: 0x79f278797633 - std::panicking::default_hook::h518e81d9a9e2c2c5 [INFO] [stderr] 6: 0x79f277854cd7 - std[29c6a88b6662e21]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 7: 0x79f278797f2f - std::panicking::panic_with_hook::h6c76fcfbe64ae67c [INFO] [stderr] 8: 0x79f277890931 - std[29c6a88b6662e21]::panicking::begin_panic::::{closure#0} [INFO] [stderr] 9: 0x79f277884d36 - std[29c6a88b6662e21]::sys::backtrace::__rust_end_short_backtrace::::{closure#0}, !> [INFO] [stderr] 10: 0x79f277881e24 - std[29c6a88b6662e21]::panicking::begin_panic:: [INFO] [stderr] 11: 0x79f27789bc81 - ::emit_producing_guarantee [INFO] [stderr] 12: 0x79f277ded44a - rustc_middle[9d9c9f7aa5fb139]::util::bug::opt_span_bug_fmt::::{closure#0} [INFO] [stderr] 13: 0x79f277ded4aa - rustc_middle[9d9c9f7aa5fb139]::ty::context::tls::with_opt::::{closure#0}, !>::{closure#0} [INFO] [stderr] 14: 0x79f277ddb91b - rustc_middle[9d9c9f7aa5fb139]::ty::context::tls::with_context_opt::::{closure#0}, !>::{closure#0}, !> [INFO] [stderr] 15: 0x79f275bd58a0 - rustc_middle[9d9c9f7aa5fb139]::util::bug::bug_fmt [INFO] [stderr] 16: 0x79f27ab2d82e - rustc_const_eval[3c19f3c457eed8d5]::check_consts::qualifs::in_operand:: as rustc_middle[9d9c9f7aa5fb139]::mir::visit::Visitor>::visit_assign::{closure#0}>.cold [INFO] [stderr] 17: 0x79f2799ed324 - as rustc_mir_dataflow[18e4da0c77043a31]::framework::Analysis>::apply_primary_statement_effect [INFO] [stderr] 18: 0x79f2799e7602 - ::has_mut_interior [INFO] [stderr] 19: 0x79f2799e6a03 - rustc_mir_transform[f9e0fc8768280edf]::mir_const_qualif [INFO] [stderr] 20: 0x79f2799e6735 - rustc_query_impl[4286d9f4e80247d6]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 21: 0x79f2799e5d1f - rustc_query_system[a0ec10119e2b8fbf]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[4286d9f4e80247d6]::plumbing::QueryCtxt, false> [INFO] [stderr] 22: 0x79f2799e5a08 - rustc_query_impl[4286d9f4e80247d6]::query_impl::mir_const_qualif::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 23: 0x79f27666edd1 - rustc_mir_transform[f9e0fc8768280edf]::mir_promoted [INFO] [stderr] 24: 0x79f2792e29d2 - rustc_query_impl[4286d9f4e80247d6]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 25: 0x79f2792e2cea - rustc_query_system[a0ec10119e2b8fbf]::query::plumbing::try_execute_query::, rustc_query_system[a0ec10119e2b8fbf]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[4286d9f4e80247d6]::plumbing::QueryCtxt, false> [INFO] [stderr] 26: 0x79f2792e281c - rustc_query_impl[4286d9f4e80247d6]::query_impl::mir_promoted::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 27: 0x79f279faa863 - rustc_borrowck[38b1631c75315a06]::mir_borrowck [INFO] [stderr] 28: 0x79f279faa719 - rustc_query_impl[4286d9f4e80247d6]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 29: 0x79f279394871 - rustc_query_system[a0ec10119e2b8fbf]::query::plumbing::try_execute_query::, rustc_query_system[a0ec10119e2b8fbf]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[4286d9f4e80247d6]::plumbing::QueryCtxt, false> [INFO] [stderr] 30: 0x79f2793940c9 - rustc_query_impl[4286d9f4e80247d6]::query_impl::mir_borrowck::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 31: 0x79f279390edb - ::par_hir_body_owners::::{closure#0} [INFO] [stderr] 32: 0x79f279390516 - rustc_thread_pool[72272462a318cfc]::join::join_context::::par_hir_body_owners::{closure#0}>::{closure#0}::{closure#0}>::{closure#1}>::{closure#0}, rustc_thread_pool[72272462a318cfc]::join::join::call<(), rustc_data_structures[f5ea9960b28d5ac8]::sync::parallel::par_slice::par_rec<&rustc_span[174c530b0ecf3390]::def_id::LocalDefId, rustc_data_structures[f5ea9960b28d5ac8]::sync::parallel::par_for_each_in<&rustc_span[174c530b0ecf3390]::def_id::LocalDefId, &[rustc_span[174c530b0ecf3390]::def_id::LocalDefId], ::par_hir_body_owners::{closure#0}>::{closure#0}::{closure#0}>::{closure#2}>::{closure#0}, (), ()>::{closure#0} [INFO] [stderr] 33: 0x79f279390586 - rustc_thread_pool[72272462a318cfc]::join::join_context::::par_hir_body_owners::{closure#0}>::{closure#0}::{closure#0}>::{closure#1}>::{closure#0}, rustc_thread_pool[72272462a318cfc]::join::join::call<(), rustc_data_structures[f5ea9960b28d5ac8]::sync::parallel::par_slice::par_rec<&rustc_span[174c530b0ecf3390]::def_id::LocalDefId, rustc_data_structures[f5ea9960b28d5ac8]::sync::parallel::par_for_each_in<&rustc_span[174c530b0ecf3390]::def_id::LocalDefId, &[rustc_span[174c530b0ecf3390]::def_id::LocalDefId], ::par_hir_body_owners::{closure#0}>::{closure#0}::{closure#0}>::{closure#2}>::{closure#0}, (), ()>::{closure#0} [INFO] [stderr] 34: 0x79f2793903be - rustc_thread_pool[72272462a318cfc]::join::join_context::::par_hir_body_owners::{closure#0}>::{closure#0}::{closure#0}>::{closure#1}>::{closure#0}, rustc_thread_pool[72272462a318cfc]::join::join::call<(), rustc_data_structures[f5ea9960b28d5ac8]::sync::parallel::par_slice::par_rec<&rustc_span[174c530b0ecf3390]::def_id::LocalDefId, rustc_data_structures[f5ea9960b28d5ac8]::sync::parallel::par_for_each_in<&rustc_span[174c530b0ecf3390]::def_id::LocalDefId, &[rustc_span[174c530b0ecf3390]::def_id::LocalDefId], ::par_hir_body_owners::{closure#0}>::{closure#0}::{closure#0}>::{closure#2}>::{closure#0}, (), ()>::{closure#0} [INFO] [stderr] 35: 0x79f2793903be - rustc_thread_pool[72272462a318cfc]::join::join_context::::par_hir_body_owners::{closure#0}>::{closure#0}::{closure#0}>::{closure#1}>::{closure#0}, rustc_thread_pool[72272462a318cfc]::join::join::call<(), rustc_data_structures[f5ea9960b28d5ac8]::sync::parallel::par_slice::par_rec<&rustc_span[174c530b0ecf3390]::def_id::LocalDefId, rustc_data_structures[f5ea9960b28d5ac8]::sync::parallel::par_for_each_in<&rustc_span[174c530b0ecf3390]::def_id::LocalDefId, &[rustc_span[174c530b0ecf3390]::def_id::LocalDefId], ::par_hir_body_owners::{closure#0}>::{closure#0}::{closure#0}>::{closure#2}>::{closure#0}, (), ()>::{closure#0} [INFO] [stderr] 36: 0x79f279390bb3 - rustc_data_structures[f5ea9960b28d5ac8]::sync::parallel::par_slice::par_rec::<&rustc_span[174c530b0ecf3390]::def_id::LocalDefId, rustc_data_structures[f5ea9960b28d5ac8]::sync::parallel::par_for_each_in<&rustc_span[174c530b0ecf3390]::def_id::LocalDefId, &[rustc_span[174c530b0ecf3390]::def_id::LocalDefId], ::par_hir_body_owners::{closure#0}>::{closure#0}::{closure#0}> [INFO] [stderr] 37: 0x79f279bc0343 - ::par_hir_body_owners::{closure#0}>::{closure#0}::{closure#0}>::{closure#1}>::{closure#0}, rustc_thread_pool[72272462a318cfc]::join::join::call<(), rustc_data_structures[f5ea9960b28d5ac8]::sync::parallel::par_slice::par_rec<&rustc_span[174c530b0ecf3390]::def_id::LocalDefId, rustc_data_structures[f5ea9960b28d5ac8]::sync::parallel::par_for_each_in<&rustc_span[174c530b0ecf3390]::def_id::LocalDefId, &[rustc_span[174c530b0ecf3390]::def_id::LocalDefId], ::par_hir_body_owners::{closure#0}>::{closure#0}::{closure#0}>::{closure#2}>::{closure#0}, (), ()>::{closure#0}::{closure#0}, ()> as rustc_thread_pool[72272462a318cfc]::job::Job>::execute [INFO] [stderr] 38: 0x79f279bbe4b0 - ::wait_or_steal_until_cold [INFO] [stderr] 39: 0x79f279bbc385 - ::run [INFO] [stderr] 40: 0x79f279bbc209 - std[29c6a88b6662e21]::sys::backtrace::__rust_begin_short_backtrace::<::build_scoped::{closure#1}, ()>::{closure#5}::{closure#0}::{closure#0}, rustc_interface[2640f195ab92b52a]::util::run_in_thread_pool_with_globals::{closure#1}, ()>::{closure#5}::{closure#0}::{closure#1}, ()>::{closure#0}::{closure#0}::{closure#0}, ()> [INFO] [stderr] 41: 0x79f279bbbda8 - <::spawn_unchecked_<::build_scoped::{closure#1}, ()>::{closure#5}::{closure#0}::{closure#0}, rustc_interface[2640f195ab92b52a]::util::run_in_thread_pool_with_globals::{closure#1}, ()>::{closure#5}::{closure#0}::{closure#1}, ()>::{closure#0}::{closure#0}::{closure#0}, ()>::{closure#1} as core[9b0b45a2eca8b57e]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 42: 0x79f279bb92f1 - std::sys::thread::unix::Thread::new::thread_start::h087ab7313a6c604a [INFO] [stderr] 43: 0x79f273a7baa4 - [INFO] [stderr] 44: 0x79f273b08a34 - clone [INFO] [stderr] 45: 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-2025-09-29T21_49_25-47.txt`: Read-only file system (os error 30) [INFO] [stderr] [INFO] [stderr] note: rustc 1.92.0-nightly (4987e9d42 2025-09-28) 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" "35efd3da97d05efa12af6406928ddca07896839d248ab7b7ffd195ff357c35fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35efd3da97d05efa12af6406928ddca07896839d248ab7b7ffd195ff357c35fc", kill_on_drop: false }` [INFO] [stdout] 35efd3da97d05efa12af6406928ddca07896839d248ab7b7ffd195ff357c35fc