[INFO] fetching crate silkworm-rs 0.1.2...
[INFO] testing silkworm-rs-0.1.2 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate silkworm-rs 0.1.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate silkworm-rs 0.1.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate silkworm-rs 0.1.2
[INFO] tweaked toml for crates.io crate silkworm-rs 0.1.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate silkworm-rs 0.1.2 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 silkworm-rs 0.1.2 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 836592934aacc923043e63ed1191c6b0016f8d946805d872299bffb32c15cdc8
[INFO] running `Command { std: "docker" "start" "-a" "836592934aacc923043e63ed1191c6b0016f8d946805d872299bffb32c15cdc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "836592934aacc923043e63ed1191c6b0016f8d946805d872299bffb32c15cdc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "836592934aacc923043e63ed1191c6b0016f8d946805d872299bffb32c15cdc8", kill_on_drop: false }`
[INFO] [stdout] 836592934aacc923043e63ed1191c6b0016f8d946805d872299bffb32c15cdc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 04d6f5f018c5e596e4af0d3a7ae397c9a6bc475d3d12c565599757ef8d77e4d4
[INFO] running `Command { std: "docker" "start" "-a" "04d6f5f018c5e596e4af0d3a7ae397c9a6bc475d3d12c565599757ef8d77e4d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.23
[INFO] [stderr]    Compiling libc v0.2.181
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling regex-syntax v0.8.9
[INFO] [stderr]    Compiling memchr v2.8.0
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[INFO] [stderr]    Compiling bindgen v0.72.1
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.4
[INFO] [stderr]    Compiling zerocopy v0.8.39
[INFO] [stderr]    Compiling ahash v0.8.12
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[INFO] [stderr]    Compiling foreign-types-shared v0.3.1
[INFO] [stderr]    Compiling compression-core v0.4.31
[INFO] [stderr]    Compiling zmij v1.0.20
[INFO] [stderr]    Compiling selectors v0.33.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling alloc-stdlib v0.2.2
[INFO] [stderr]    Compiling getrandom v0.4.1
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling servo_arc v0.4.3
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[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling tokio-macros v2.6.0
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[INFO] [stderr]    Compiling compression-codecs v0.4.36
[INFO] [stderr]    Compiling foreign-types v0.5.0
[INFO] [stderr]    Compiling tokio v1.49.0
[INFO] [stderr]    Compiling derive_more v2.1.1
[INFO] [stderr]    Compiling phf v0.13.1
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling cssparser v0.36.0
[INFO] [stderr]    Compiling yoke v0.8.1
[INFO] [stderr]    Compiling zerotrie v0.2.3
[INFO] [stderr]    Compiling zerovec v0.11.5
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling tinystr v0.8.2
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[INFO] [stderr]    Compiling zstd v0.13.3
[INFO] [stderr]    Compiling icu_collections v2.1.1
[INFO] [stderr]    Compiling icu_locale_core v2.1.1
[INFO] [stderr]    Compiling markup5ever v0.36.1
[INFO] [stderr]    Compiling html5ever v0.36.1
[INFO] [stderr]    Compiling icu_provider v2.1.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling icu_properties v2.1.2
[INFO] [stderr]    Compiling icu_normalizer v2.1.1
[INFO] [stderr]    Compiling scraper v0.25.0
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling boring-sys2 v5.0.0-alpha.12
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling url v2.5.8
[INFO] [stderr]    Compiling tokio-util v0.7.18
[INFO] [stderr]    Compiling async-compression v0.4.39
[INFO] [stderr]    Compiling tower v0.5.3
[INFO] [stderr]    Compiling http2 v0.5.11
[INFO] [stderr]    Compiling tower-http v0.6.8
[INFO] [stderr]    Compiling boring2 v5.0.0-alpha.12
[INFO] [stderr]    Compiling tokio-boring2 v5.0.0-alpha.12
[INFO] [stderr]    Compiling wreq v6.0.0-rc.27
[INFO] [stderr]    Compiling silkworm-rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 36s
[INFO] running `Command { std: "docker" "inspect" "04d6f5f018c5e596e4af0d3a7ae397c9a6bc475d3d12c565599757ef8d77e4d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04d6f5f018c5e596e4af0d3a7ae397c9a6bc475d3d12c565599757ef8d77e4d4", kill_on_drop: false }`
[INFO] [stdout] 04d6f5f018c5e596e4af0d3a7ae397c9a6bc475d3d12c565599757ef8d77e4d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e0245ca526b2bbe46191b0fe0499de903cd2e766f3c3980907567254539c6956
[INFO] running `Command { std: "docker" "start" "-a" "e0245ca526b2bbe46191b0fe0499de903cd2e766f3c3980907567254539c6956", kill_on_drop: false }`
[INFO] [stderr]    Compiling silkworm-rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 21.28s
[INFO] running `Command { std: "docker" "inspect" "e0245ca526b2bbe46191b0fe0499de903cd2e766f3c3980907567254539c6956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0245ca526b2bbe46191b0fe0499de903cd2e766f3c3980907567254539c6956", kill_on_drop: false }`
[INFO] [stdout] e0245ca526b2bbe46191b0fe0499de903cd2e766f3c3980907567254539c6956
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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", kill_on_drop: false }`
[INFO] [stdout] 68c9d3f0f47ef6069c543eff2b12b523f09c524d00ee66d088ce4bcca357beba
[INFO] running `Command { std: "docker" "start" "-a" "68c9d3f0f47ef6069c543eff2b12b523f09c524d00ee66d088ce4bcca357beba", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/silkworm-0f706f75221234cd)
[INFO] [stdout] 
[INFO] [stdout] running 89 tests
[INFO] [stdout] test api::tests::fetch_html_with_rejects_zero_concurrency ... ok
[INFO] [stdout] test engine::tests::engine_new_rejects_zero_max_pending_requests ... ok
[INFO] [stdout] test engine::tests::engine_new_rejects_zero_concurrency ... ok
[INFO] [stdout] test engine::tests::engine_new_rejects_zero_max_seen_requests ... ok
[INFO] [stdout] test engine::tests::request_fingerprint_keeps_duplicate_query_values ... ok
[INFO] [stdout] test engine::tests::queued_requests_honor_priority_then_fifo ... ok
[INFO] [stdout] test errors::tests::http_error_display_is_formatted ... ok
[INFO] [stdout] test http::tests::build_url_strips_fragment ... ok
[INFO] [stdout] test http::tests::build_url_preserves_repeated_query_keys ... ok
[INFO] [stdout] test engine::tests::seen_requests_with_limit_evicts_oldest ... ok
[INFO] [stdout] test engine::tests::request_fingerprint_distinguishes_params_and_method ... ok
[INFO] [stdout] test http::tests::build_url_merges_params ... ok
[INFO] [stdout] test engine::tests::stats_elapsed_defaults_to_zero ... ok
[INFO] [stdout] test http::tests::canonical_url_ignores_fragment ... ok
[INFO] [stdout] test http::tests::canonical_url_sorts_query_pairs_without_dropping_duplicates ... ok
[INFO] [stdout] test http::tests::normalize_headers_merges_duplicate_values ... ok
[INFO] [stdout] test http::tests::redirect_request_resets_method_and_payload ... ok
[INFO] [stdout] test http::tests::normalize_headers_copies_valid_entries ... ok
[INFO] [stdout] test http::tests::resolve_redirect_url_joins_relative ... ok
[INFO] [stdout] test engine::tests::request_fingerprint_ignores_fragment ... ok
[INFO] [stdout] test logging::tests::escape_replaces_quotes ... ok
[INFO] [stdout] test logging::tests::level_label_matches_levels ... ok
[INFO] [stdout] test logging::tests::escape_value_quotes_whitespace ... ok
[INFO] [stdout] test middlewares::tests::delay_middleware_custom_keeps_request_intact ... ok
[INFO] [stdout] test middlewares::tests::delay_middleware_marks_request_for_engine_scheduling ... ok
[INFO] [stdout] test middlewares::tests::proxy_middleware_cycles_when_not_random ... ok
[INFO] [stdout] test middlewares::tests::retry_middleware_sets_delay_meta_when_backoff_is_enabled ... ok
[INFO] [stdout] test middlewares::tests::retry_middleware_returns_request_on_retryable_status ... ok
[INFO] [stdout] test middlewares::tests::skip_non_html_sets_noop_callback ... ok
[INFO] [stdout] test pipelines::tests::csv_escape_quotes_when_needed ... ok
[INFO] [stdout] test middlewares::tests::user_agent_middleware_sets_header_when_missing ... ok
[INFO] [stdout] test pipelines::tests::build_xml_escapes_text ... ok
[INFO] [stdout] test pipelines::tests::sanitize_tag_replaces_invalid_chars ... ok
[INFO] [stdout] test request::tests::callback_from_accepts_closure ... ok
[INFO] [stdout] test request::tests::callback_from_fn_wraps_function ... ok
[INFO] [stdout] test request::tests::request_allow_non_html_sets_meta ... ok
[INFO] [stdout] test request::tests::request_builder_callback_sets_closure ... ok
[INFO] [stdout] test request::tests::request_builder_sets_fields ... ok
[INFO] [stdout] test request::tests::request_bulk_inserts_headers_params_and_meta ... ok
[INFO] [stdout] test request::tests::request_contract_meta_helpers_work ... ok
[INFO] [stdout] test pipelines::tests::flatten_item_flattens_nested_objects_and_arrays ... ok
[INFO] [stdout] test request::tests::request_get_and_post_set_method ... ok
[INFO] [stdout] test request::tests::request_replace_updates_clone ... ok
[INFO] [stdout] test request::tests::request_meta_helpers_set_common_types ... ok
[INFO] [stdout] test request::tests::request_typed_meta_accessors_work ... ok
[INFO] [stdout] test request::tests::request_with_callback_fn_accepts_closure ... ok
[INFO] [stdout] test api::tests::fetch_html_invalid_url_returns_error ... ok
[INFO] [stdout] test engine::tests::run_with_fail_fast_disabled_continues_after_request_error ... ok
[INFO] [stdout] test response::tests::close_clears_body_and_headers ... ok
[INFO] [stdout] test response::tests::follow_all_filters_none_and_joins_urls ... ok
[INFO] [stdout] test engine::tests::close_spider_closes_all_pipelines_even_on_error ... ok
[INFO] [stdout] test response::tests::follow_many_filters_empty_strings ... ok
[INFO] [stdout] test response::tests::follow_url_preserves_callback ... ok
[INFO] [stdout] test response::tests::follow_urls_filters_empty_strings ... ok
[INFO] [stdout] test response::tests::header_and_content_type_helpers_handle_case ... ok
[INFO] [stdout] test http::tests::should_follow_redirect_is_case_insensitive_for_location ... ok
[INFO] [stdout] test response::tests::encoding_from_meta_accepts_single_quoted_charset ... ok
[INFO] [stdout] test response::tests::looks_like_html_detects_content_type ... ok
[INFO] [stdout] test pipelines::tests::csv_pipeline_resets_inferred_headers_between_open_calls ... ok
[INFO] [stdout] test engine::tests::run_with_fail_fast_enabled_returns_first_request_error ... ok
[INFO] [stdout] test response::tests::encoding_from_meta_accepts_unquoted_content_type_charset ... ok
[INFO] [stdout] test response::tests::status_helpers_report_success_and_redirects ... ok
[INFO] [stdout] test response::tests::attr_from_extracts_attribute ... ok
[INFO] [stdout] test runner::tests::run_config_builder_sets_fields ... ok
[INFO] [stdout] test response::tests::html_element_select_or_empty_returns_empty_on_invalid ... ok
[INFO] [stdout] test api::tests::fetch_html_returns_text_and_document ... ok
[INFO] [stdout] test runner::tests::run_config_defaults ... ok
[INFO] [stdout] test response::tests::follow_css_outputs_builds_requests ... ok
[INFO] [stdout] test response::tests::select_or_empty_returns_empty_on_invalid_selector ... ok
[INFO] [stdout] test runner::tests::run_config_can_disable_seen_requests_bound ... ok
[INFO] [stdout] test response::tests::html_response_selects_and_reads_attributes ... ok
[INFO] [stdout] test response::tests::text_from_extracts_text_from_selector ... ok
[INFO] [stdout] test response::tests::select_texts_and_attrs_collect_values ... ok
[INFO] [stdout] test api::tests::fetch_html_with_respects_max_size_option ... ok
[INFO] [stdout] test response::tests::select_first_or_none_returns_none_on_invalid_selector ... ok
[INFO] [stdout] test response::tests::response_url_join_resolves_relative ... ok
[INFO] [stdout] test spider::tests::start_requests_defaults_to_start_urls ... ok
[INFO] [stdout] test tests::reexports_are_accessible ... ok
[INFO] [stdout] test http::tests::merge_headers_adds_keep_alive ... ok
[INFO] [stdout] test runner::tests::run_config_into_engine_config_copies_fields ... ok
[INFO] [stdout] test runner::tests::run_spider_with_returns_config_error_inside_runtime ... ok
[INFO] [stdout] test api::tests::utility_fetcher_reuses_custom_client ... ok
[INFO] [stdout] test http::tests::fetch_truncates_body_to_html_max_size_bytes ... ok
[INFO] [stdout] test types::tests::item_helpers_round_trip_structs ... ok
[INFO] [stdout] test types::tests::headers_and_meta_are_hashmaps ... ok
[INFO] [stdout] test runner::tests::run_config_with_middlewares_appends_lists ... ok
[INFO] [stdout] test runner::tests::run_spider_with_rejects_zero_max_pending_requests ... ok
[INFO] [stdout] test runner::tests::run_config_builder_adds_components ... ok
[INFO] [stdout] test engine::tests::run_returns_error_when_worker_panics ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 89 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests silkworm
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "68c9d3f0f47ef6069c543eff2b12b523f09c524d00ee66d088ce4bcca357beba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68c9d3f0f47ef6069c543eff2b12b523f09c524d00ee66d088ce4bcca357beba", kill_on_drop: false }`
[INFO] [stdout] 68c9d3f0f47ef6069c543eff2b12b523f09c524d00ee66d088ce4bcca357beba
