[INFO] fetching crate polylane 0.15.0...
[INFO] testing polylane-0.15.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate polylane 0.15.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate polylane 0.15.0
[INFO] finished tweaking crates.io crate polylane 0.15.0
[INFO] tweaked toml for crates.io crate polylane 0.15.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate polylane 0.15.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate polylane 0.15.0 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a50840d52c2c887e562f2517bce86249231fb904c441fb4ab6a6f4f0d353c78
[INFO] running `Command { std: "docker" "start" "-a" "8a50840d52c2c887e562f2517bce86249231fb904c441fb4ab6a6f4f0d353c78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a50840d52c2c887e562f2517bce86249231fb904c441fb4ab6a6f4f0d353c78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a50840d52c2c887e562f2517bce86249231fb904c441fb4ab6a6f4f0d353c78", kill_on_drop: false }`
[INFO] [stdout] 8a50840d52c2c887e562f2517bce86249231fb904c441fb4ab6a6f4f0d353c78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6cba7bf598bcaf89cd4e4d71c33d3eb07d4e8da021f9189c299a75b6fa22de5
[INFO] running `Command { std: "docker" "start" "-a" "b6cba7bf598bcaf89cd4e4d71c33d3eb07d4e8da021f9189c299a75b6fa22de5", kill_on_drop: false }`
[INFO] [stderr]    Compiling multitype v0.18.1
[INFO] [stderr]    Compiling polylane v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.65s
[INFO] running `Command { std: "docker" "inspect" "b6cba7bf598bcaf89cd4e4d71c33d3eb07d4e8da021f9189c299a75b6fa22de5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6cba7bf598bcaf89cd4e4d71c33d3eb07d4e8da021f9189c299a75b6fa22de5", kill_on_drop: false }`
[INFO] [stdout] b6cba7bf598bcaf89cd4e4d71c33d3eb07d4e8da021f9189c299a75b6fa22de5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c0f47823fad5519f9c56f6a2011fbe527ad6a312218fe14546eba5cdf1acf8f
[INFO] running `Command { std: "docker" "start" "-a" "8c0f47823fad5519f9c56f6a2011fbe527ad6a312218fe14546eba5cdf1acf8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling polylane v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `polylane` (lib test)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name polylane --edition=2024 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 '--allow=clippy::zero_prefixed_literal' '--forbid=clippy::wildcard_dependencies' '--warn=clippy::verbose_file_reads' '--warn=clippy::verbose_bit_mask' '--warn=clippy::useless_let_if_seq' '--warn=clippy::used_underscore_binding' '--forbid=clippy::use_self' '--forbid=clippy::unused_unit' '--warn=clippy::unused_rounding' '--warn=clippy::unused_peekable' '--warn=clippy::unused_async' '--warn=clippy::unnested_or_patterns' '--warn=clippy::unneeded_field_pattern' '--warn=clippy::unnecessary_wraps' '--forbid=clippy::unnecessary_self_imports' '--warn=clippy::unnecessary_join' '--forbid=clippy::unnecessary_box_returns' '--forbid=clippy::unit_return_expecting_ord' '--forbid=clippy::unit_hash' '--forbid=clippy::unit_cmp' '--forbid=clippy::unit_arg' '--forbid=clippy::uninlined_format_args' '--forbid=clippy::uninhabited_references' '--forbid=clippy::type_repetition_in_bounds' '--forbid=clippy::transmute_ptr_to_ptr' '--forbid=clippy::trait_duplication_in_bounds' '--warn=clippy::todo' '--forbid=clippy::suboptimal_flops' '--warn=clippy::string_lit_chars_any' '--forbid=clippy::string_lit_as_bytes' '--warn=clippy::str_split_at_newline' '--forbid=clippy::std_instead_of_core' '--forbid=clippy::std_instead_of_alloc' '--warn=clippy::single_char_pattern' '--warn=clippy::separated_literal_suffix' '--forbid=clippy::self_named_module_files' '--deny=clippy::same_name_method' '--warn=clippy::same_functions_in_if_condition' '--forbid=clippy::return_self_not_must_use' '--forbid=clippy::result_unit_err' '--forbid=clippy::result_map_unit_fn' '--warn=clippy::rest_pat_in_fully_bound_structs' '--warn=clippy::ref_option_ref' '--warn=clippy::ref_binding_to_reference' '--warn=clippy::redundant_type_annotations' '--warn=clippy::redundant_else' '--warn=clippy::redundant_closure_for_method_calls' '--warn=clippy::redundant_clone' '--warn=clippy::read_zero_byte_vec' '--forbid=clippy::rc_mutex' '--forbid=clippy::rc_buffer' '--warn=clippy::range_plus_one' '--forbid=clippy::pub_underscore_fields' '--deny=clippy::ptr_cast_constness' '--allow=clippy::precedence' '--forbid=clippy::pattern_type_mismatch' '--warn=clippy::path_buf_push_overwrite' '--forbid=clippy::or_fun_call' '--warn=clippy::option_option' '--forbid=clippy::option_map_unit_fn' '--warn=clippy::option_if_let_else' '--warn=clippy::option_as_ref_cloned' '--forbid=clippy::nonstandard_macro_braces' '--deny=clippy::non_ascii_literal' '--forbid=clippy::no_mangle_with_rust_abi' '--forbid=clippy::no_effect_underscore_binding' '--warn=clippy::needless_raw_strings' '--warn=clippy::needless_raw_string_hashes' '--warn=clippy::needless_continue' '--warn=clippy::needless_collect' '--warn=clippy::needless_bitwise_bool' '--forbid=clippy::needless_arbitrary_self_type' '--forbid=clippy::mutex_integer' '--forbid=clippy::mutex_atomic' '--warn=clippy::mut_mut' '--forbid=clippy::must_use_unit' '--allow=clippy::module_inception' '--forbid=clippy::mixed_read_write_in_expression' '--forbid=clippy::missing_transmute_annotations' --warn=missing_docs '--warn=clippy::mismatching_type_param_order' '--warn=clippy::match_same_arms' '--warn=clippy::match_bool' '--warn=clippy::map_unwrap_or' '--warn=clippy::manual_string_new' '--warn=clippy::manual_ok_or' '--warn=clippy::manual_let_else' '--warn=clippy::manual_is_variant_and' '--warn=clippy::manual_instant_elapsed' '--warn=clippy::manual_c_str_literals' '--warn=clippy::manual_assert' '--warn=clippy::macro_use_imports' '--forbid=clippy::let_unit_value' '--allow=clippy::large_enum_variant' '--warn=clippy::iter_without_into_iter' '--warn=clippy::iter_with_drain' '--warn=clippy::iter_on_single_items' '--warn=clippy::iter_on_empty_collections' '--warn=clippy::iter_not_returning_iterator' '--warn=clippy::iter_filter_is_some' '--warn=clippy::iter_filter_is_ok' '--warn=clippy::invalid_upcast_comparisons' --forbid=invalid_atomic_ordering '--warn=clippy::into_iter_without_iter' '--forbid=clippy::infinite_loop' '--warn=clippy::inefficient_to_string' '--warn=clippy::index_refutable_slice' '--forbid=clippy::inconsistent_struct_constructor' '--forbid=clippy::imprecise_flops' '--warn=clippy::implicit_clone' '--forbid=clippy::ignored_unit_patterns' '--warn=clippy::if_then_some_else_none' '--warn=clippy::if_not_else' '--forbid=clippy::future_not_send' '--warn=clippy::from_iter_instead_of_collect' '--warn=clippy::format_push_string' '--deny=clippy::float_cmp_const' '--deny=clippy::float_cmp' '--warn=clippy::flat_map_option' '--warn=clippy::fallible_impl_from' '--warn=clippy::explicit_iter_loop' '--warn=clippy::explicit_into_iter_loop' '--warn=clippy::explicit_deref_methods' '--warn=clippy::expl_impl_clone_on_copy' '--allow=clippy::excessive_precision' '--warn=clippy::equatable_if_let' '--allow=clippy::enum_variant_names' '--forbid=clippy::enum_glob_use' '--warn=clippy::empty_structs_with_brackets' '--allow=clippy::empty_loop' '--forbid=clippy::empty_line_after_outer_attr' '--forbid=clippy::empty_line_after_doc_comments' '--warn=clippy::empty_enum_variants_with_brackets' '--forbid=clippy::empty_docs' '--forbid=clippy::derived_hash_with_manual_eq' '--warn=clippy::derive_partial_eq_without_eq' '--warn=clippy::deref_by_slicing' '--forbid=clippy::default_constructed_unit_structs' '--warn=clippy::debug_assert_with_mut_call' '--warn=clippy::dbg_macro' '--warn=clippy::collection_is_never_read' '--warn=clippy::cloned_instead_of_copied' '--warn=clippy::clone_on_ref_ptr' '--warn=clippy::clear_with_drain' '--forbid=clippy::cast_ptr_alignment' '--warn=clippy::cast_lossless' '--forbid=clippy::cast_enum_truncation' '--warn=clippy::branches_sharing_code' '--forbid=clippy::borrow_as_ptr' '--warn=clippy::bool_to_int_with_if' '--forbid=clippy::async_yields_async' '--warn=clippy::assigning_clones' '--warn=clippy::assign_op_pattern' '--warn=clippy::assertions_on_result_states' '--warn=clippy::assertions_on_constants' '--forbid=clippy::as_underscore' '--forbid=clippy::as_ptr_cast_mut' '--forbid=clippy::as_pointer_underscore' '--forbid=clippy::arc_with_non_send_sync' '--forbid=clippy::alloc_instead_of_core' --test --cfg 'feature="alloc"' --cfg 'feature="default"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "bytemuck", "default", "f128", "f16", "freeze", "serde", "std", "thin", "unstable_docs", "zerocopy"))' -C metadata=e7914eb4cd75c77f -C extra-filename=-c76fd27c5cf810d1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern multitype=/opt/rustwide/target/debug/deps/libmultitype-b32a1cb1e8a71a94.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-8f1729cc5b8ab8c4.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "8c0f47823fad5519f9c56f6a2011fbe527ad6a312218fe14546eba5cdf1acf8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c0f47823fad5519f9c56f6a2011fbe527ad6a312218fe14546eba5cdf1acf8f", kill_on_drop: false }`
[INFO] [stdout] 8c0f47823fad5519f9c56f6a2011fbe527ad6a312218fe14546eba5cdf1acf8f
