[INFO] fetching crate serdes-ai-ui 0.2.6...
[INFO] testing serdes-ai-ui-0.2.6 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate serdes-ai-ui 0.2.6 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate serdes-ai-ui 0.2.6
[INFO] finished tweaking crates.io crate serdes-ai-ui 0.2.6
[INFO] tweaked toml for crates.io crate serdes-ai-ui 0.2.6 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serdes-ai-ui 0.2.6 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 serdes-ai-ui 0.2.6 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-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] 75b1bdd01fe2430c67a72bc0144967173724018affbabfb36aa4d7d1fb48a2e8
[INFO] running `Command { std: "docker" "start" "-a" "75b1bdd01fe2430c67a72bc0144967173724018affbabfb36aa4d7d1fb48a2e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75b1bdd01fe2430c67a72bc0144967173724018affbabfb36aa4d7d1fb48a2e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75b1bdd01fe2430c67a72bc0144967173724018affbabfb36aa4d7d1fb48a2e8", kill_on_drop: false }`
[INFO] [stdout] 75b1bdd01fe2430c67a72bc0144967173724018affbabfb36aa4d7d1fb48a2e8
[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] 708571da46c234e1e023f51c3ea3c7492eebbd4794e7c2a0c2026fcc0847a1b5
[INFO] running `Command { std: "docker" "start" "-a" "708571da46c234e1e023f51c3ea3c7492eebbd4794e7c2a0c2026fcc0847a1b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling getrandom v0.4.1
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling anyhow v1.0.101
[INFO] [stderr]    Compiling typeid v1.0.3
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling erased-serde v0.4.9
[INFO] [stderr]    Compiling syn v2.0.116
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling socket2 v0.6.2
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling uuid v1.21.0
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling tokio v1.49.0
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.8.1
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling zerovec v0.11.5
[INFO] [stderr]    Compiling zerotrie v0.2.3
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling tinystr v0.8.2
[INFO] [stderr]    Compiling potential_utf v0.1.4
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling derive_builder_core v0.20.2
[INFO] [stderr]    Compiling icu_collections v2.1.1
[INFO] [stderr]    Compiling icu_locale_core v2.1.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling derive_builder_macro v0.20.2
[INFO] [stderr]    Compiling derive_builder v0.20.2
[INFO] [stderr]    Compiling icu_provider v2.1.1
[INFO] [stderr]    Compiling chrono v0.4.43
[INFO] [stderr]    Compiling icu_properties v2.1.2
[INFO] [stderr]    Compiling icu_normalizer v2.1.1
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling futures v0.3.32
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling url v2.5.8
[INFO] [stderr]    Compiling serdes-ai-core v0.2.6
[INFO] [stderr]    Compiling serdes-ai-streaming v0.2.6
[INFO] [stderr]    Compiling serdes-ai-ui v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 54.58s
[INFO] running `Command { std: "docker" "inspect" "708571da46c234e1e023f51c3ea3c7492eebbd4794e7c2a0c2026fcc0847a1b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "708571da46c234e1e023f51c3ea3c7492eebbd4794e7c2a0c2026fcc0847a1b5", kill_on_drop: false }`
[INFO] [stdout] 708571da46c234e1e023f51c3ea3c7492eebbd4794e7c2a0c2026fcc0847a1b5
[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] 25d8ea00934eec842b3e12f3dad3ca026c59e25e919c24d45cb94669badd4d88
[INFO] running `Command { std: "docker" "start" "-a" "25d8ea00934eec842b3e12f3dad3ca026c59e25e919c24d45cb94669badd4d88", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.49.0
[INFO] [stderr]    Compiling serdes-ai-streaming v0.2.6
[INFO] [stderr]    Compiling serdes-ai-ui v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 11.79s
[INFO] running `Command { std: "docker" "inspect" "25d8ea00934eec842b3e12f3dad3ca026c59e25e919c24d45cb94669badd4d88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25d8ea00934eec842b3e12f3dad3ca026c59e25e919c24d45cb94669badd4d88", kill_on_drop: false }`
[INFO] [stdout] 25d8ea00934eec842b3e12f3dad3ca026c59e25e919c24d45cb94669badd4d88
[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] e6c1a1c8f436a8094f39ee150e26ec93aa9dadaa7ad6daf668ae9b507fdf75a2
[INFO] running `Command { std: "docker" "start" "-a" "e6c1a1c8f436a8094f39ee150e26ec93aa9dadaa7ad6daf668ae9b507fdf75a2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serdes_ai_ui-8d5977670c70d82e)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test vercel_ai::stream::tests::test_after_stream ... ok
[INFO] [stdout] test vercel_ai::stream::tests::test_new_event_stream ... ok
[INFO] [stdout] test vercel_ai::stream::tests::test_encode_event ... ok
[INFO] [stdout] test vercel_ai::stream::tests::test_full_stream_lifecycle ... ok
[INFO] [stdout] test vercel_ai::stream::tests::test_message_id_generation ... ok
[INFO] [stdout] test vercel_ai::stream::tests::test_error_transformation ... ok
[INFO] [stdout] test vercel_ai::stream::tests::test_tool_call_transformation ... ok
[INFO] [stdout] test vercel_ai::stream::tests::test_text_delta_transformation ... ok
[INFO] [stdout] test vercel_ai::stream::tests::test_thinking_delta_transformation ... ok
[INFO] [stdout] test vercel_ai::stream::tests::test_tool_result_error ... ok
[INFO] [stdout] test vercel_ai::stream::tests::test_tool_result_success ... ok
[INFO] [stdout] test vercel_ai::types::tests::test_done_chunk ... ok
[INFO] [stdout] test vercel_ai::types::tests::test_reasoning_delta ... ok
[INFO] [stdout] test vercel_ai::types::tests::test_start_chunk ... ok
[INFO] [stdout] test vercel_ai::types::tests::test_usage_info ... ok
[INFO] [stdout] test vercel_ai::types::tests::test_finish_reason_serialization ... ok
[INFO] [stdout] test vercel_ai::types::tests::test_text_delta_chunk ... ok
[INFO] [stdout] test vercel_ai::types::tests::test_tool_input_start_chunk ... ok
[INFO] [stdout] test vercel_ai::stream::tests::test_before_stream ... ok
[INFO] [stderr]    Doc-tests serdes_ai_ui
[INFO] [stdout] test vercel_ai::stream::tests::test_chunks_to_sse ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 17) ... ignored
[INFO] [stdout] test src/vercel_ai/mod.rs - vercel_ai (line 20) ... ignored
[INFO] [stdout] test src/vercel_ai/stream.rs - vercel_ai::stream::VercelAIEventStream (line 60) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e6c1a1c8f436a8094f39ee150e26ec93aa9dadaa7ad6daf668ae9b507fdf75a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6c1a1c8f436a8094f39ee150e26ec93aa9dadaa7ad6daf668ae9b507fdf75a2", kill_on_drop: false }`
[INFO] [stdout] e6c1a1c8f436a8094f39ee150e26ec93aa9dadaa7ad6daf668ae9b507fdf75a2
