[INFO] fetching crate dropslot 0.2.0...
[INFO] testing dropslot-0.2.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate dropslot 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate dropslot 0.2.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate dropslot 0.2.0
[INFO] tweaked toml for crates.io crate dropslot 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dropslot 0.2.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dropslot 0.2.0 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-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5f15442f28c1ba93fed6bfdd55735305a359d1beef60cfa91c55577f32fa955
[INFO] running `Command { std: "docker" "start" "-a" "f5f15442f28c1ba93fed6bfdd55735305a359d1beef60cfa91c55577f32fa955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5f15442f28c1ba93fed6bfdd55735305a359d1beef60cfa91c55577f32fa955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5f15442f28c1ba93fed6bfdd55735305a359d1beef60cfa91c55577f32fa955", kill_on_drop: false }`
[INFO] [stdout] f5f15442f28c1ba93fed6bfdd55735305a359d1beef60cfa91c55577f32fa955
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b8b536dc2993eab614c792cb04493b6f43862be0435e6b7e2d95dd4b1d08b34
[INFO] running `Command { std: "docker" "start" "-a" "4b8b536dc2993eab614c792cb04493b6f43862be0435e6b7e2d95dd4b1d08b34", kill_on_drop: false }`
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling dashmap v6.1.0
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tokio v1.46.1
[INFO] [stderr]    Compiling dropslot v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.01s
[INFO] running `Command { std: "docker" "inspect" "4b8b536dc2993eab614c792cb04493b6f43862be0435e6b7e2d95dd4b1d08b34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b8b536dc2993eab614c792cb04493b6f43862be0435e6b7e2d95dd4b1d08b34", kill_on_drop: false }`
[INFO] [stdout] 4b8b536dc2993eab614c792cb04493b6f43862be0435e6b7e2d95dd4b1d08b34
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d176334b448d3749476a5e722e12db70a260b4cc37e766bd9909fcd96a4d9153
[INFO] running `Command { std: "docker" "start" "-a" "d176334b448d3749476a5e722e12db70a260b4cc37e766bd9909fcd96a4d9153", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling clap_builder v4.5.40
[INFO] [stderr]    Compiling clap v4.5.40
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.6.0
[INFO] [stderr]    Compiling dropslot v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 28.28s
[INFO] running `Command { std: "docker" "inspect" "d176334b448d3749476a5e722e12db70a260b4cc37e766bd9909fcd96a4d9153", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d176334b448d3749476a5e722e12db70a260b4cc37e766bd9909fcd96a4d9153", kill_on_drop: false }`
[INFO] [stdout] d176334b448d3749476a5e722e12db70a260b4cc37e766bd9909fcd96a4d9153
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0749644ec8fe0b78fc4da7d21947c141501e51121cac1e20092f2cc003eb06c4
[INFO] running `Command { std: "docker" "start" "-a" "0749644ec8fe0b78fc4da7d21947c141501e51121cac1e20092f2cc003eb06c4", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dropslot-a015070862c9a112)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test bus::tests::test_create_topic_with_race_protection ... ok
[INFO] [stdout] test bus::tests::test_get_topic_with_prefetch ... ok
[INFO] [stdout] test bus::tests::test_prefetch_read_non_x86_64 ... ok
[INFO] [stdout] test error::tests::test_display_unreachable_case ... ok
[INFO] [stdout] test sub::tests::test_cached_topic_clear_on_low_count ... ok
[INFO] [stdout] test sub::tests::test_wait_for_message_with_disconnected_topic ... ok
[INFO] [stdout] test sub::tests::test_get_or_refresh_topic_with_dead_weak_ref ... ok
[INFO] [stdout] test sub::tests::test_version_comparison_overflow_protection ... ok
[INFO] [stdout] test topic::tests::test_version_increment_with_overflow_protection ... ok
[INFO] [stdout] test bus::tests::test_cleanup_counter_overflow_protection ... ok
[INFO] [stdout] test topic::tests::test_concurrent_version_increment_near_max ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test_bytes_operations ... ok
[INFO] [stdout] test test_multiple_topics_management ... ok
[INFO] [stdout] test test_topic_lifecycle ... ok
[INFO] [stdout] test test_topic_creation_via_operations ... ok
[INFO] [stdout] test test_topic_removal ... ok
[INFO] [stderr]      Running tests/bus.rs (/opt/rustwide/target/debug/deps/bus-cb61334eaf495ff2)
[INFO] [stdout] test test_bus_creation_variants ... ok
[INFO] [stdout] test test_cleanup_scenarios ... ok
[INFO] [stdout] test test_concurrent_access ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/error.rs (/opt/rustwide/target/debug/deps/error-290dc773c0d4fd4b)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_error_display_formatting ... ok
[INFO] [stdout] test test_error_creation_and_properties ... ok
[INFO] [stdout] test test_error_pattern_matching ... ok
[INFO] [stdout] test test_error_traits_and_behavior ... ok
[INFO] [stdout] test test_error_from_actual_operations ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-8dc06b6c8eaa20b7)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test test_basic_pubsub_flow ... ok
[INFO] [stdout] test test_bus_topic_management ... ok
[INFO] [stdout] test test_bytes_zero_copy ... ok
[INFO] [stdout] test test_custom_message_types ... ok
[INFO] [stdout] test test_latest_only_semantics ... ok
[INFO] [stdout] test test_multiple_subscribers ... ok
[INFO] [stdout] test test_performance_configurations ... ok
[INFO] [stdout] test test_topic_subscriber_count ... ok
[INFO] [stdout] test test_topic_cleanup ... ok
[INFO] [stdout] test test_async_timeout_scenarios ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test_subscriber_edge_cases ... ok
[INFO] [stdout] test test_subscriber_after_publish ... ok
[INFO] [stdout] test test_get_latest_operations ... ok
[INFO] [stdout] test test_subscriber_basic_properties ... ok
[INFO] [stdout] test test_subscriber_version_tracking ... ok
[INFO] [stdout] test test_subscriber_after_topic_drop ... ok
[INFO] [stdout] test test_subscriber_with_bytes ... ok
[INFO] [stdout] test test_try_get_message_scenarios ... ok
[INFO] [stdout] test test_wait_for_message_scenarios ... ok
[INFO] [stdout] test test_subscriber_concurrent_access ... ok
[INFO] [stdout] test test_subscriber_timeout ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/sub.rs (/opt/rustwide/target/debug/deps/sub-ac8ea7ac5cbad985)
[INFO] [stderr]      Running tests/topic.rs (/opt/rustwide/target/debug/deps/topic-5bbf7a46b24c2444)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test test_bytes_topic_operations ... ok
[INFO] [stdout] test test_multiple_subscribers_same_message ... ok
[INFO] [stdout] test test_publish_and_receive ... ok
[INFO] [stdout] test test_latest_message_semantics ... ok
[INFO] [stdout] test test_topic_basic_properties ... ok
[INFO] [stdout] test test_topic_edge_cases ... ok
[INFO] [stdout] test test_topic_publish_operations ... ok
[INFO] [stdout] test test_topic_reuse_and_naming ... ok
[INFO] [stdout] test test_topic_concurrent_access ... ok
[INFO] [stderr]    Doc-tests dropslot
[INFO] [stdout] test test_topic_subscriber_management ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test src/bus.rs - bus::Bus<T>::publish (line 78) ... ok
[INFO] [stdout] test src/bus.rs - bus::Bus<T>::topic_count (line 112) ... ok
[INFO] [stdout] test src/bus.rs - bus::Bus<T>::cleanup_unused_topics (line 183) ... ok
[INFO] [stdout] test src/bus.rs - bus::Bus<T>::remove_topic (line 135) ... ok
[INFO] [stdout] test src/bus.rs - bus::Bus<T>::topic_names (line 155) ... ok
[INFO] [stdout] test src/bus.rs - bus::Bus<bytes::Bytes>::publish_slice (line 263) ... ok
[INFO] [stdout] test src/bus.rs - bus::Bus<T>::with_capacity (line 43) ... ok
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] test src/sub.rs - sub::Sub<T>::get_latest (line 164) ... ok
[INFO] [stdout] test src/prelude.rs - prelude (line 6) ... ok
[INFO] [stdout] test src/bus.rs - bus::Bus<T>::subscribe (line 98) ... ok
[INFO] [stdout] test src/sub.rs - sub::Sub<T>::get_latest_with (line 189) ... ok
[INFO] [stdout] test src/sub.rs - sub::Sub<T>::topic_name (line 231) ... ok
[INFO] [stdout] test src/sub.rs - sub::Sub<T>::try_get_message (line 110) ... ok
[INFO] [stdout] test src/sub.rs - sub::Sub<T>::has_latest (line 212) ... ok
[INFO] [stdout] test src/topic.rs - topic::Topic<T>::has_subscribers (line 110) ... ok
[INFO] [stdout] test src/topic.rs - topic::Topic<T>::name (line 93) ... ok
[INFO] [stdout] test src/sub.rs - sub::Sub<T>::wait_for_message_and_apply (line 76) ... ok
[INFO] [stdout] test src/topic.rs - topic::Topic<T>::publish (line 31) ... ok
[INFO] [stdout] test src/topic.rs - topic::Topic<T>::subscribe (line 51) ... ok
[INFO] [stdout] test src/topic.rs - topic::Topic<T>::subscriber_count (line 74) ... ok
[INFO] [stdout] test src/topic.rs - topic::Topic<bytes::Bytes>::publish_vec (line 191) ... ok
[INFO] [stdout] test src/lib.rs - (line 35) ... ok
[INFO] [stdout] test src/bus.rs - bus::Bus<T>::topic (line 61) ... ok
[INFO] [stdout] test src/topic.rs - topic::Topic<bytes::Bytes>::publish_slice (line 168) ... ok
[INFO] [stdout] test src/lib.rs - (line 48) ... ok
[INFO] [stdout] test src/sub.rs - sub::Sub<T>::try_get_message_and_apply (line 139) ... ok
[INFO] [stdout] test src/bus.rs - bus::Bus<bytes::Bytes>::publish_vec (line 285) ... ok
[INFO] [stdout] test src/sub.rs - sub::Sub<T>::wait_for_message (line 39) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0749644ec8fe0b78fc4da7d21947c141501e51121cac1e20092f2cc003eb06c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0749644ec8fe0b78fc4da7d21947c141501e51121cac1e20092f2cc003eb06c4", kill_on_drop: false }`
[INFO] [stdout] 0749644ec8fe0b78fc4da7d21947c141501e51121cac1e20092f2cc003eb06c4