[INFO] fetching crate agent-stream-kit 0.19.0... [INFO] testing agent-stream-kit-0.19.0 against beta-2026-04-21 for beta-1.96-2 [INFO] extracting crate agent-stream-kit 0.19.0 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate agent-stream-kit 0.19.0 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate agent-stream-kit 0.19.0 [INFO] tweaked toml for crates.io crate agent-stream-kit 0.19.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate agent-stream-kit 0.19.0 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 agent-stream-kit 0.19.0 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] e908eb3e20ba575e9d9c6ba413f842438cfe2718882c81ca49329fefcb50af1f [INFO] running `Command { std: "docker" "start" "-a" "e908eb3e20ba575e9d9c6ba413f842438cfe2718882c81ca49329fefcb50af1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e908eb3e20ba575e9d9c6ba413f842438cfe2718882c81ca49329fefcb50af1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e908eb3e20ba575e9d9c6ba413f842438cfe2718882c81ca49329fefcb50af1f", kill_on_drop: false }` [INFO] [stdout] e908eb3e20ba575e9d9c6ba413f842438cfe2718882c81ca49329fefcb50af1f [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] 30a5bc929a1468e6cd23ac8f9bd44be003ba845b996cab721caba037b080ca87 [INFO] running `Command { std: "docker" "start" "-a" "30a5bc929a1468e6cd23ac8f9bd44be003ba845b996cab721caba037b080ca87", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.105 [INFO] [stderr] Compiling quote v1.0.43 [INFO] [stderr] Compiling libc v0.2.180 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.108 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling zerocopy v0.8.33 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling bumpalo v3.19.1 [INFO] [stderr] Compiling simd-adler32 v0.3.8 [INFO] [stderr] Compiling wasm-bindgen v0.2.108 [INFO] [stderr] Compiling bytemuck v1.24.0 [INFO] [stderr] Compiling zmij v1.0.14 [INFO] [stderr] Compiling num-integer v0.1.46 [INFO] [stderr] Compiling siphasher v1.0.1 [INFO] [stderr] Compiling futures-channel v0.3.31 [INFO] [stderr] Compiling approx v0.5.1 [INFO] [stderr] Compiling num-complex v0.4.6 [INFO] [stderr] Compiling matrixmultiply v0.3.10 [INFO] [stderr] Compiling miniz_oxide v0.8.9 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling phf_shared v0.11.3 [INFO] [stderr] Compiling weezl v0.1.12 [INFO] [stderr] Compiling num-bigint v0.4.6 [INFO] [stderr] Compiling bytes v1.11.0 [INFO] [stderr] Compiling safe_arch v0.7.4 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling im v15.1.0 [INFO] [stderr] Compiling nix v0.30.1 [INFO] [stderr] Compiling fdeflate v0.3.7 [INFO] [stderr] Compiling bitmaps v2.1.0 [INFO] [stderr] Compiling ref-cast v1.0.25 [INFO] [stderr] Compiling phf_generator v0.11.3 [INFO] [stderr] Compiling jpeg-decoder v0.3.2 [INFO] [stderr] Compiling ttf-parser v0.15.2 [INFO] [stderr] Compiling serde_json v1.0.149 [INFO] [stderr] Compiling wide v0.7.33 [INFO] [stderr] Compiling flate2 v1.1.8 [INFO] [stderr] Compiling rawpointer v0.2.1 [INFO] [stderr] Compiling gif v0.13.3 [INFO] [stderr] Compiling num-iter v0.1.45 [INFO] [stderr] Compiling sized-chunks v0.6.5 [INFO] [stderr] Compiling rand_xoshiro v0.6.0 [INFO] [stderr] Compiling tracing-core v0.1.36 [INFO] [stderr] Compiling palette v0.6.1 [INFO] [stderr] Compiling tiff v0.9.1 [INFO] [stderr] Compiling png v0.17.16 [INFO] [stderr] Compiling syn v2.0.114 [INFO] [stderr] Compiling custom_derive v0.1.7 [INFO] [stderr] Compiling indexmap v2.13.0 [INFO] [stderr] Compiling conv v0.3.3 [INFO] [stderr] Compiling num-rational v0.4.2 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling errno v0.3.14 [INFO] [stderr] Compiling signal-hook-registry v1.4.8 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling mio v1.1.1 [INFO] [stderr] Compiling num v0.4.3 [INFO] [stderr] Compiling deranged v0.5.5 [INFO] [stderr] Compiling aho-corasick v1.1.4 [INFO] [stderr] Compiling dyn-clone v1.0.20 [INFO] [stderr] Compiling ppv-lite86 v0.2.21 [INFO] [stderr] Compiling rmcp v0.13.0 [INFO] [stderr] Compiling time-core v0.1.7 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling instant v0.1.13 [INFO] [stderr] Compiling base64 v0.13.1 [INFO] [stderr] Compiling perlin2d v0.2.6 [INFO] [stderr] Compiling simba v0.7.3 [INFO] [stderr] Compiling image v0.24.9 [INFO] [stderr] Compiling pastey v0.2.1 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling owned_ttf_parser v0.15.2 [INFO] [stderr] Compiling rusttype v0.9.3 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling rand_distr v0.2.2 [INFO] [stderr] Compiling regex-automata v0.4.13 [INFO] [stderr] Compiling toml v0.5.11 [INFO] [stderr] Compiling time v0.3.45 [INFO] [stderr] Compiling find-crate v0.6.3 [INFO] [stderr] Compiling palette_derive v0.6.1 [INFO] [stderr] Compiling regex v1.12.2 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.108 [INFO] [stderr] Compiling darling_core v0.23.0 [INFO] [stderr] Compiling serde_derive_internals v0.29.1 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling tokio-macros v2.6.0 [INFO] [stderr] Compiling phf_macros v0.11.3 [INFO] [stderr] Compiling tracing-attributes v0.1.31 [INFO] [stderr] Compiling ref-cast-impl v1.0.25 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling thiserror-impl v2.0.17 [INFO] [stderr] Compiling nalgebra v0.30.1 [INFO] [stderr] Compiling async-trait v0.1.89 [INFO] [stderr] Compiling schemars_derive v1.2.0 [INFO] [stderr] Compiling askit-macros v0.19.0 [INFO] [stderr] Compiling phf v0.11.3 [INFO] [stderr] Compiling tokio v1.49.0 [INFO] [stderr] Compiling thiserror v2.0.17 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling tracing v0.1.44 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.108 [INFO] [stderr] Compiling darling_macro v0.23.0 [INFO] [stderr] Compiling darling v0.23.0 [INFO] [stderr] Compiling rmcp-macros v0.13.0 [INFO] [stderr] Compiling chrono v0.4.43 [INFO] [stderr] Compiling js-sys v0.3.85 [INFO] [stderr] Compiling console_error_panic_hook v0.1.7 [INFO] [stderr] Compiling schemars v1.2.0 [INFO] [stderr] Compiling tokio-stream v0.1.18 [INFO] [stderr] Compiling tokio-util v0.7.18 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling process-wrap v9.0.0 [INFO] [stderr] Compiling web-sys v0.3.85 [INFO] [stderr] Compiling imageproc v0.23.0 [INFO] [stderr] Compiling node-sys v0.4.2 [INFO] [stderr] Compiling photon-rs v0.3.3 [INFO] [stderr] Compiling agent-stream-kit v0.19.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 13s [INFO] running `Command { std: "docker" "inspect" "30a5bc929a1468e6cd23ac8f9bd44be003ba845b996cab721caba037b080ca87", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "30a5bc929a1468e6cd23ac8f9bd44be003ba845b996cab721caba037b080ca87", kill_on_drop: false }` [INFO] [stdout] 30a5bc929a1468e6cd23ac8f9bd44be003ba845b996cab721caba037b080ca87 [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] f469ee0aa6da86872f66734742f99a0de57c86d41184e4faf0a84a1b43795c11 [INFO] running `Command { std: "docker" "start" "-a" "f469ee0aa6da86872f66734742f99a0de57c86d41184e4faf0a84a1b43795c11", kill_on_drop: false }` [INFO] [stderr] Compiling parking_lot_core v0.9.12 [INFO] [stderr] Compiling sdd v3.0.10 [INFO] [stderr] Compiling serial_test_derive v3.3.1 [INFO] [stderr] Compiling parking_lot v0.12.5 [INFO] [stderr] Compiling scc v2.4.0 [INFO] [stderr] Compiling serial_test v3.3.1 [INFO] [stderr] Compiling agent-stream-kit v0.19.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 8.00s [INFO] running `Command { std: "docker" "inspect" "f469ee0aa6da86872f66734742f99a0de57c86d41184e4faf0a84a1b43795c11", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f469ee0aa6da86872f66734742f99a0de57c86d41184e4faf0a84a1b43795c11", kill_on_drop: false }` [INFO] [stdout] f469ee0aa6da86872f66734742f99a0de57c86d41184e4faf0a84a1b43795c11 [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", kill_on_drop: false }` [INFO] [stdout] 6f244a29518c28634b434bb04ac7afc4e24ec53d7152caaa42d20c4d0756cb3a [INFO] running `Command { std: "docker" "start" "-a" "6f244a29518c28634b434bb04ac7afc4e24ec53d7152caaa42d20c4d0756cb3a", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/agent_stream_kit-12040d25978272a1) [INFO] [stdout] [INFO] [stdout] running 42 tests [INFO] [stdout] test context::tests::clone_preserves_frames ... ok [INFO] [stdout] test context::tests::new_assigns_unique_ids ... ok [INFO] [stdout] test context::tests::clone_preserves_vars ... ok [INFO] [stdout] test context::tests::map_frame_helpers_validate_and_track_indices ... ok [INFO] [stdout] test context::tests::pop_map_frame_errors_when_missing_or_wrong_kind ... ok [INFO] [stdout] test context::tests::push_map_frame_rejects_invalid_bounds ... ok [INFO] [stdout] test context::tests::push_and_pop_frames ... ok [INFO] [stdout] test context::tests::serialization_skips_empty_optional_fields ... ok [INFO] [stdout] test context::tests::with_var_sets_value_without_mutating_original ... ok [INFO] [stdout] test definition::tests::test_agent_definition ... ok [INFO] [stdout] test definition::tests::test_agent_definition_new_default ... ok [INFO] [stdout] test definition::tests::test_agent_definition_new ... ok [INFO] [stdout] test definition::tests::test_config_helper_customization ... ok [INFO] [stdout] test definition::tests::test_default_config_helpers ... ok [INFO] [stdout] test definition::tests::test_deserialize_echo_agent_definition ... ok [INFO] [stdout] test definition::tests::test_serialize_agent_definition ... ok [INFO] [stdout] test definition::tests::test_global_config_helpers ... ok [INFO] [stdout] test definition::tests::test_serialize_echo_agent_definition ... ok [INFO] [stdout] test llm::tests::test_message_from_invalid_value ... ok [INFO] [stdout] test llm::tests::test_message_from_string_value ... ok [INFO] [stdout] test llm::tests::test_message_from_object_value ... ok [INFO] [stdout] test llm::tests::test_message_invalid_object ... ok [INFO] [stdout] test llm::tests::test_message_partial_eq ... ok [INFO] [stdout] test llm::tests::test_message_with_tool_calls_to_from_agent_value ... ok [INFO] [stdout] test llm::tests::test_message_to_agent_value_with_tool_calls ... ok [INFO] [stdout] test llm::tests::test_message_to_from_agent_value ... ok [INFO] [stdout] test value::tests::test_agent_value_default ... ok [INFO] [stdout] test value::tests::test_agent_value_conversions ... ok [INFO] [stdout] test value::tests::test_agent_value_from_json_value ... ok [INFO] [stdout] test value::tests::test_agent_value_get_methods ... ok [INFO] [stdout] test value::tests::test_agent_value_constructors ... ok [INFO] [stdout] test llm::tests::test_tool_message_to_from_agent_value ... ok [INFO] [stdout] test value::tests::test_agent_value_set ... ok [INFO] [stdout] test value::tests::test_agent_value_into ... ok [INFO] [stdout] test value::tests::test_agent_value_test_methods ... ok [INFO] [stdout] test value::tests::test_agent_value_deserialization ... ok [INFO] [stdout] test value::tests::test_agent_value_serialization ... ok [INFO] [stdout] test value::tests::test_partial_eq ... ok [INFO] [stdout] test value::tests::test_agent_value_as_methods ... ok [INFO] [stdout] test value::tests::test_serialize_deserialize_nested ... ok [INFO] [stdout] test value::tests::test_serialize_deserialize_roundtrip ... ok [INFO] [stdout] test value::tests::test_to_json ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 42 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests agent_stream_kit [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/mcp.rs - mcp::register_tools_from_mcp_json (line 306) - compile ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] all doctests ran in 0.74s; merged doctests compilation took 0.72s [INFO] running `Command { std: "docker" "inspect" "6f244a29518c28634b434bb04ac7afc4e24ec53d7152caaa42d20c4d0756cb3a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f244a29518c28634b434bb04ac7afc4e24ec53d7152caaa42d20c4d0756cb3a", kill_on_drop: false }` [INFO] [stdout] 6f244a29518c28634b434bb04ac7afc4e24ec53d7152caaa42d20c4d0756cb3a