[INFO] fetching crate optiepub 0.0.1...
[INFO] checking optiepub-0.0.1 against master#bbe853615821442ef11d6cd42a30a73432b38d89 for pr-154205
[INFO] extracting crate optiepub 0.0.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate optiepub 0.0.1
[INFO] finished tweaking crates.io crate optiepub 0.0.1
[INFO] tweaked toml for crates.io crate optiepub 0.0.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate optiepub 0.0.1 on toolchain bbe853615821442ef11d6cd42a30a73432b38d89
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate optiepub 0.0.1 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" "+bbe853615821442ef11d6cd42a30a73432b38d89" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2bb3fbedac525691569ef462124c70e6e8140f092f421d4a533cb193f158f52
[INFO] running `Command { std: "docker" "start" "-a" "a2bb3fbedac525691569ef462124c70e6e8140f092f421d4a533cb193f158f52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2bb3fbedac525691569ef462124c70e6e8140f092f421d4a533cb193f158f52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2bb3fbedac525691569ef462124c70e6e8140f092f421d4a533cb193f158f52", kill_on_drop: false }`
[INFO] [stdout] a2bb3fbedac525691569ef462124c70e6e8140f092f421d4a533cb193f158f52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17def943b622068e33a156f0e2fff703641e2c855d292659a4a2f202fd857328
[INFO] running `Command { std: "docker" "start" "-a" "17def943b622068e33a156f0e2fff703641e2c855d292659a4a2f202fd857328", kill_on_drop: false }`
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[INFO] [stderr] 
[INFO] [stderr] thread 'rustc' (1648) panicked at /rustc-dev/bbe853615821442ef11d6cd42a30a73432b38d89/compiler/rustc_infer/src/infer/relate/generalize.rs:294:44:
[INFO] [stderr] called `Result::unwrap_err()` on an `Ok` value: base::array_storage::ArrayStorage<base::matrix::Matrix<?20t, base::dimension::Const<?0c>, base::dimension::Const<1_usize>, ?21t>, ?0c, 1_usize>
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x7b734558428b - <<std[e4a598c2d7907cc1]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[1fe3e66427eb3788]::fmt::Display>::fmt
[INFO] [stderr]    1:     0x7b7345c2e8c8 - core[1fe3e66427eb3788]::fmt::write
[INFO] [stderr]    2:     0x7b734559b296 - <std[e4a598c2d7907cc1]::sys::stdio::unix::Stderr as std[e4a598c2d7907cc1]::io::Write>::write_fmt
[INFO] [stderr]    3:     0x7b734555a298 - std[e4a598c2d7907cc1]::panicking::default_hook::{closure#0}
[INFO] [stderr]    4:     0x7b7345577693 - std[e4a598c2d7907cc1]::panicking::default_hook
[INFO] [stderr]    5:     0x7b734457391c - std[e4a598c2d7907cc1]::panicking::update_hook::<alloc[70fc36a7209dfb33]::boxed::Box<rustc_driver_impl[d43592d152bd0f3]::install_ice_hook::{closure#1}>>::{closure#0}
[INFO] [stderr]    6:     0x7b7345577972 - std[e4a598c2d7907cc1]::panicking::panic_with_hook
[INFO] [stderr]    7:     0x7b734555a358 - std[e4a598c2d7907cc1]::panicking::panic_handler::{closure#0}
[INFO] [stderr]    8:     0x7b7345551089 - std[e4a598c2d7907cc1]::sys::backtrace::__rust_end_short_backtrace::<std[e4a598c2d7907cc1]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]    9:     0x7b734555bdbd - __rustc[13b91de63b82f5e3]::rust_begin_unwind
[INFO] [stderr]   10:     0x7b7341d0baec - core[1fe3e66427eb3788]::panicking::panic_fmt
[INFO] [stderr]   11:     0x7b7341e2dcd2 - core[1fe3e66427eb3788]::result::unwrap_failed
[INFO] [stderr]   12:     0x7b7346957cca - <rustc_infer[6634b8aee1b7b396]::infer::InferCtxt>::instantiate_ty_var::<rustc_type_ir[ff18b735164bb08e]::relate::solver_relating::SolverRelating<rustc_infer[6634b8aee1b7b396]::infer::InferCtxt, rustc_middle[c4269b454f0100bc]::ty::context::TyCtxt>>
[INFO] [stderr]   13:     0x7b7346959dc9 - <rustc_middle[c4269b454f0100bc]::ty::generic_args::GenericArg as rustc_type_ir[ff18b735164bb08e]::relate::Relate<rustc_middle[c4269b454f0100bc]::ty::context::TyCtxt>>::relate::<rustc_type_ir[ff18b735164bb08e]::relate::solver_relating::SolverRelating<rustc_infer[6634b8aee1b7b396]::infer::InferCtxt, rustc_middle[c4269b454f0100bc]::ty::context::TyCtxt>>
[INFO] [stderr]   14:     0x7b734695a92d - <core[1fe3e66427eb3788]::result::Result<rustc_middle[c4269b454f0100bc]::ty::generic_args::GenericArg, rustc_type_ir[ff18b735164bb08e]::error::TypeError<rustc_middle[c4269b454f0100bc]::ty::context::TyCtxt>> as rustc_type_ir[ff18b735164bb08e]::interner::CollectAndApply<rustc_middle[c4269b454f0100bc]::ty::generic_args::GenericArg, &rustc_middle[c4269b454f0100bc]::ty::list::RawList<(), rustc_middle[c4269b454f0100bc]::ty::generic_args::GenericArg>>>::collect_and_apply::<core[1fe3e66427eb3788]::iter::adapters::map::Map<core[1fe3e66427eb3788]::iter::adapters::zip::Zip<core[1fe3e66427eb3788]::iter::adapters::copied::Copied<core[1fe3e66427eb3788]::slice::iter::Iter<rustc_middle[c4269b454f0100bc]::ty::generic_args::GenericArg>>, core[1fe3e66427eb3788]::iter::adapters::copied::Copied<core[1fe3e66427eb3788]::slice::iter::Iter<rustc_middle[c4269b454f0100bc]::ty::generic_args::GenericArg>>>, rustc_type_ir[ff18b735164bb08e]::relate::relate_args_invariantly<rustc_middle[c4269b454f0100bc]::ty::context::TyCtxt, rustc_type_ir[ff18b735164bb08e]::relate::solver_relating::SolverRelating<rustc_infer[6634b8aee1b7b396]::infer::InferCtxt, rustc_middle[c4269b454f0100bc]::ty::context::TyCtxt>>::{closure#0}>, <rustc_middle[c4269b454f0100bc]::ty::context::TyCtxt>::mk_args_from_iter<core[1fe3e66427eb3788]::iter::adapters::map::Map<core[1fe3e66427eb3788]::iter::adapters::zip::Zip<core[1fe3e66427eb3788]::iter::adapters::copied::Copied<core[1fe3e66427eb3788]::slice::iter::Iter<rustc_middle[c4269b454f0100bc]::ty::generic_args::GenericArg>>, core[1fe3e66427eb3788]::iter::adapters::copied::Copied<core[1fe3e66427eb3788]::slice::iter::Iter<rustc_middle[c4269b454f0100bc]::ty::generic_args::GenericArg>>>, rustc_type_ir[ff18b735164bb08e]::relate::relate_args_invariantly<rustc_middle[c4269b454f0100bc]::ty::context::TyCtxt, rustc_type_ir[ff18b735164bb08e]::relate::solver_relating::SolverRelating<rustc_infer[6634b8aee1b7b396]::infer::InferCtxt, rustc_middle[c4269b454f0100bc]::ty::context::TyCtxt>>::{closure#0}>, core[1fe3e66427eb3788]::result::Result<rustc_middle[c4269b454f0100bc]::ty::generic_args::GenericArg, rustc_type_ir[ff18b735164bb08e]::error::TypeError<rustc_middle[c4269b454f0100bc]::ty::context::TyCtxt>>>::{closure#0}>
[INFO] [stderr]   15:     0x7b734695b08e - rustc_type_ir[ff18b735164bb08e]::relate::structurally_relate_tys::<rustc_middle[c4269b454f0100bc]::ty::context::TyCtxt, rustc_type_ir[ff18b735164bb08e]::relate::solver_relating::SolverRelating<rustc_infer[6634b8aee1b7b396]::infer::InferCtxt, rustc_middle[c4269b454f0100bc]::ty::context::TyCtxt>>
[INFO] [stderr]   16:     0x7b734695808b - <rustc_type_ir[ff18b735164bb08e]::relate::solver_relating::SolverRelating<rustc_infer[6634b8aee1b7b396]::infer::InferCtxt, rustc_middle[c4269b454f0100bc]::ty::context::TyCtxt> as rustc_type_ir[ff18b735164bb08e]::relate::TypeRelation<rustc_middle[c4269b454f0100bc]::ty::context::TyCtxt>>::tys
[INFO] [stderr]   17:     0x7b7346957a3c - <rustc_infer[6634b8aee1b7b396]::infer::InferCtxt>::instantiate_ty_var::<rustc_type_ir[ff18b735164bb08e]::relate::solver_relating::SolverRelating<rustc_infer[6634b8aee1b7b396]::infer::InferCtxt, rustc_middle[c4269b454f0100bc]::ty::context::TyCtxt>>
[INFO] [stderr]   18:     0x7b7346958118 - <rustc_type_ir[ff18b735164bb08e]::relate::solver_relating::SolverRelating<rustc_infer[6634b8aee1b7b396]::infer::InferCtxt, rustc_middle[c4269b454f0100bc]::ty::context::TyCtxt> as rustc_type_ir[ff18b735164bb08e]::relate::TypeRelation<rustc_middle[c4269b454f0100bc]::ty::context::TyCtxt>>::tys
[INFO] [stderr]   19:     0x7b734695b393 - rustc_type_ir[ff18b735164bb08e]::relate::structurally_relate_tys::<rustc_middle[c4269b454f0100bc]::ty::context::TyCtxt, rustc_type_ir[ff18b735164bb08e]::relate::solver_relating::SolverRelating<rustc_infer[6634b8aee1b7b396]::infer::InferCtxt, rustc_middle[c4269b454f0100bc]::ty::context::TyCtxt>>
[INFO] [stderr]   20:     0x7b734695808b - <rustc_type_ir[ff18b735164bb08e]::relate::solver_relating::SolverRelating<rustc_infer[6634b8aee1b7b396]::infer::InferCtxt, rustc_middle[c4269b454f0100bc]::ty::context::TyCtxt> as rustc_type_ir[ff18b735164bb08e]::relate::TypeRelation<rustc_middle[c4269b454f0100bc]::ty::context::TyCtxt>>::tys
[INFO] [stderr]   21:     0x7b734695a637 - <core[1fe3e66427eb3788]::result::Result<rustc_middle[c4269b454f0100bc]::ty::generic_args::GenericArg, rustc_type_ir[ff18b735164bb08e]::error::TypeError<rustc_middle[c4269b454f0100bc]::ty::context::TyCtxt>> as rustc_type_ir[ff18b735164bb08e]::interner::CollectAndApply<rustc_middle[c4269b454f0100bc]::ty::generic_args::GenericArg, &rustc_middle[c4269b454f0100bc]::ty::list::RawList<(), rustc_middle[c4269b454f0100bc]::ty::generic_args::GenericArg>>>::collect_and_apply::<core[1fe3e66427eb3788]::iter::adapters::map::Map<core[1fe3e66427eb3788]::iter::adapters::zip::Zip<core[1fe3e66427eb3788]::iter::adapters::copied::Copied<core[1fe3e66427eb3788]::slice::iter::Iter<rustc_middle[c4269b454f0100bc]::ty::generic_args::GenericArg>>, core[1fe3e66427eb3788]::iter::adapters::copied::Copied<core[1fe3e66427eb3788]::slice::iter::Iter<rustc_middle[c4269b454f0100bc]::ty::generic_args::GenericArg>>>, rustc_type_ir[ff18b735164bb08e]::relate::relate_args_invariantly<rustc_middle[c4269b454f0100bc]::ty::context::TyCtxt, rustc_type_ir[ff18b735164bb08e]::relate::solver_relating::SolverRelating<rustc_infer[6634b8aee1b7b396]::infer::InferCtxt, rustc_middle[c4269b454f0100bc]::ty::context::TyCtxt>>::{closure#0}>, <rustc_middle[c4269b454f0100bc]::ty::context::TyCtxt>::mk_args_from_iter<core[1fe3e66427eb3788]::iter::adapters::map::Map<core[1fe3e66427eb3788]::iter::adapters::zip::Zip<core[1fe3e66427eb3788]::iter::adapters::copied::Copied<core[1fe3e66427eb3788]::slice::iter::Iter<rustc_middle[c4269b454f0100bc]::ty::generic_args::GenericArg>>, core[1fe3e66427eb3788]::iter::adapters::copied::Copied<core[1fe3e66427eb3788]::slice::iter::Iter<rustc_middle[c4269b454f0100bc]::ty::generic_args::GenericArg>>>, rustc_type_ir[ff18b735164bb08e]::relate::relate_args_invariantly<rustc_middle[c4269b454f0100bc]::ty::context::TyCtxt, rustc_type_ir[ff18b735164bb08e]::relate::solver_relating::SolverRelating<rustc_infer[6634b8aee1b7b396]::infer::InferCtxt, rustc_middle[c4269b454f0100bc]::ty::context::TyCtxt>>::{closure#0}>, core[1fe3e66427eb3788]::result::Result<rustc_middle[c4269b454f0100bc]::ty::generic_args::GenericArg, rustc_type_ir[ff18b735164bb08e]::error::TypeError<rustc_middle[c4269b454f0100bc]::ty::context::TyCtxt>>>::{closure#0}>
[INFO] [stderr]   22:     0x7b7345c6c572 - <rustc_infer[6634b8aee1b7b396]::infer::at::At>::eq_trace::<rustc_type_ir[ff18b735164bb08e]::predicate::TraitRef<rustc_middle[c4269b454f0100bc]::ty::context::TyCtxt>>
[INFO] [stderr]   23:     0x7b734664b094 - rustc_trait_selection[ac705ff08155446b]::traits::coherence::overlap
[INFO] [stderr]   24:     0x7b73432bae07 - <rustc_middle[c4269b454f0100bc]::traits::specialization_graph::Children as rustc_trait_selection[ac705ff08155446b]::traits::specialize::specialization_graph::ChildrenExt>::insert
[INFO] [stderr]   25:     0x7b7346c13cf5 - <rustc_middle[c4269b454f0100bc]::traits::specialization_graph::Graph as rustc_trait_selection[ac705ff08155446b]::traits::specialize::specialization_graph::GraphExt>::insert
[INFO] [stderr]   26:     0x7b7345c4a8f4 - rustc_trait_selection[ac705ff08155446b]::traits::specialize::specialization_graph_provider
[INFO] [stderr]   27:     0x7b7345c4e40d - rustc_query_impl[1156795c34adb5e8]::execution::try_execute_query::<rustc_middle[c4269b454f0100bc]::query::caches::DefIdCache<rustc_middle[c4269b454f0100bc]::query::erase::ErasedData<[u8; 8usize]>>, false>
[INFO] [stderr]   28:     0x7b7345fd7e50 - rustc_query_impl[1156795c34adb5e8]::query_impl::specialization_graph_of::execute_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   29:     0x7b7345fdb587 - rustc_hir_analysis[a521d9d2e7710133]::coherence::coherent_trait
[INFO] [stderr]   30:     0x7b7345fdb29d - rustc_query_impl[1156795c34adb5e8]::query_impl::coherent_trait::invoke_provider_fn::__rust_begin_short_backtrace
[INFO] [stderr]   31:     0x7b7346007f6c - rustc_query_impl[1156795c34adb5e8]::execution::try_execute_query::<rustc_middle[c4269b454f0100bc]::query::caches::DefIdCache<rustc_middle[c4269b454f0100bc]::query::erase::ErasedData<[u8; 1usize]>>, false>
[INFO] [stderr]   32:     0x7b73460070c0 - rustc_query_impl[1156795c34adb5e8]::query_impl::coherent_trait::execute_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   33:     0x7b734622baee - rustc_hir_analysis[a521d9d2e7710133]::check::check::check_item_type
[INFO] [stderr]   34:     0x7b7346229fa6 - rustc_hir_analysis[a521d9d2e7710133]::check::wfcheck::check_well_formed
[INFO] [stderr]   35:     0x7b7346229f87 - rustc_query_impl[1156795c34adb5e8]::query_impl::check_well_formed::invoke_provider_fn::__rust_begin_short_backtrace
[INFO] [stderr]   36:     0x7b73462295a4 - rustc_query_impl[1156795c34adb5e8]::execution::try_execute_query::<rustc_data_structures[a59c4e41da927823]::vec_cache::VecCache<rustc_span[cbb9a2e5c824ea47]::def_id::LocalDefId, rustc_middle[c4269b454f0100bc]::query::erase::ErasedData<[u8; 1usize]>, rustc_middle[c4269b454f0100bc]::dep_graph::graph::DepNodeIndex>, false>
[INFO] [stderr]   37:     0x7b734622933b - rustc_query_impl[1156795c34adb5e8]::query_impl::check_well_formed::execute_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   38:     0x7b7346225ab3 - rustc_hir_analysis[a521d9d2e7710133]::check::wfcheck::check_type_wf
[INFO] [stderr]   39:     0x7b73462259af - rustc_query_impl[1156795c34adb5e8]::query_impl::check_type_wf::invoke_provider_fn::__rust_begin_short_backtrace
[INFO] [stderr]   40:     0x7b7346e4bb90 - rustc_query_impl[1156795c34adb5e8]::execution::try_execute_query::<rustc_middle[c4269b454f0100bc]::query::caches::SingleCache<rustc_middle[c4269b454f0100bc]::query::erase::ErasedData<[u8; 1usize]>>, false>
[INFO] [stderr]   41:     0x7b7346e4b969 - rustc_query_impl[1156795c34adb5e8]::query_impl::check_type_wf::execute_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   42:     0x7b734654bfd5 - rustc_hir_analysis[a521d9d2e7710133]::check_crate
[INFO] [stderr]   43:     0x7b7345ce481a - rustc_interface[aeb4b536ec403cb3]::passes::analysis
[INFO] [stderr]   44:     0x7b7346e4e309 - rustc_query_impl[1156795c34adb5e8]::execution::try_execute_query::<rustc_middle[c4269b454f0100bc]::query::caches::SingleCache<rustc_middle[c4269b454f0100bc]::query::erase::ErasedData<[u8; 0usize]>>, false>
[INFO] [stderr]   45:     0x7b7346e4df75 - rustc_query_impl[1156795c34adb5e8]::query_impl::analysis::execute_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   46:     0x7b7346eb4214 - rustc_interface[aeb4b536ec403cb3]::interface::run_compiler::<(), rustc_driver_impl[d43592d152bd0f3]::run_compiler::{closure#0}>::{closure#1}
[INFO] [stderr]   47:     0x7b7346e3663e - std[e4a598c2d7907cc1]::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface[aeb4b536ec403cb3]::util::run_in_thread_with_globals<rustc_interface[aeb4b536ec403cb3]::util::run_in_thread_pool_with_globals<rustc_interface[aeb4b536ec403cb3]::interface::run_compiler<(), rustc_driver_impl[d43592d152bd0f3]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>
[INFO] [stderr]   48:     0x7b7346e36ee0 - <std[e4a598c2d7907cc1]::thread::lifecycle::spawn_unchecked<rustc_interface[aeb4b536ec403cb3]::util::run_in_thread_with_globals<rustc_interface[aeb4b536ec403cb3]::util::run_in_thread_pool_with_globals<rustc_interface[aeb4b536ec403cb3]::interface::run_compiler<(), rustc_driver_impl[d43592d152bd0f3]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[1fe3e66427eb3788]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]   49:     0x7b7346e37d6c - <std[e4a598c2d7907cc1]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stderr]   50:     0x7b734088aaa4 - <unknown>
[INFO] [stderr]   51:     0x7b7340917a64 - clone
[INFO] [stderr]   52:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] error: the compiler unexpectedly panicked. This is a bug
[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/nalgebra-0.32.6/rustc-ice-2026-03-24T07_35_16-1642.txt`: Read-only file system (os error 30)
[INFO] [stderr] 
[INFO] [stderr] note: rustc 1.96.0-nightly (bbe853615 2026-03-23) 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 [specialization_graph_of] building specialization graph of trait `core::convert::From`
[INFO] [stderr] #1 [coherent_trait] coherence checking all impls of trait `core::convert::From`
[INFO] [stderr] #2 [check_well_formed] checking that `base::conversion::<impl at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nalgebra-0.32.6/src/base/conversion.rs:113:1: 113:63>` is well-formed
[INFO] [stderr] #3 [check_type_wf] checking that types are well-formed
[INFO] [stderr] #4 [analysis] running analysis passes on crate `nalgebra`
[INFO] [stderr] end of query stack
[INFO] [stderr]     Checking rustc-hash v2.1.0
[INFO] [stderr]     Checking unicode-width v0.2.0
[INFO] [stderr]    Compiling rustix v0.38.41
[INFO] [stderr]     Checking deflate64 v0.1.9
[INFO] [stderr]     Checking oxipng v9.1.3
[INFO] [stderr]     Checking indicatif v0.17.9
[INFO] [stderr]    Compiling enum_dispatch v0.3.13
[INFO] [stderr]     Checking env_logger v0.11.5
[INFO] [stderr] error: could not compile `nalgebra` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/bbe853615821442ef11d6cd42a30a73432b38d89/bin/rustc --crate-name nalgebra --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nalgebra-0.32.6/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="matrixmultiply"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alga", "alloc", "arbitrary", "bytemuck", "compare", "convert-bytemuck", "convert-glam014", "convert-glam015", "convert-glam016", "convert-glam017", "convert-glam018", "convert-glam019", "convert-glam020", "convert-glam021", "convert-glam022", "convert-glam023", "convert-glam024", "convert-glam025", "convert-glam027", "convert-mint", "cuda", "cust_core", "debug", "default", "glam014", "glam015", "glam016", "glam017", "glam018", "glam019", "glam020", "glam021", "glam022", "glam023", "glam024", "glam025", "glam027", "io", "libm", "libm-force", "macros", "matrixcompare-core", "matrixmultiply", "mint", "nalgebra-macros", "pest", "pest_derive", "proptest", "proptest-support", "quickcheck", "rand", "rand-no-std", "rand-package", "rand_distr", "rayon", "rkyv", "rkyv-safe-deser", "rkyv-serialize", "rkyv-serialize-no-std", "serde", "serde-serialize", "serde-serialize-no-std", "slow-tests", "sparse", "std"))' -C metadata=838dbf2967951293 -C extra-filename=-3cdbabc6fed57227 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern approx=/opt/rustwide/target/debug/deps/libapprox-0894f4181f999721.rmeta --extern matrixmultiply=/opt/rustwide/target/debug/deps/libmatrixmultiply-47e21bbdc0aa13b5.rmeta --extern num_complex=/opt/rustwide/target/debug/deps/libnum_complex-f98707069888ed4b.rmeta --extern num_rational=/opt/rustwide/target/debug/deps/libnum_rational-556f46057a51b0bc.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-f8dd2231930c8ee5.rmeta --extern simba=/opt/rustwide/target/debug/deps/libsimba-8b716685b7d88f5f.rmeta --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-c8aa4bd6375c23ad.rmeta --cap-lints allow --cap-lints=forbid` (exit status: 101)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "17def943b622068e33a156f0e2fff703641e2c855d292659a4a2f202fd857328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17def943b622068e33a156f0e2fff703641e2c855d292659a4a2f202fd857328", kill_on_drop: false }`
[INFO] [stdout] 17def943b622068e33a156f0e2fff703641e2c855d292659a4a2f202fd857328