[INFO] fetching crate skg-mcp 0.4.1... [INFO] testing skg-mcp-0.4.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1 [INFO] extracting crate skg-mcp 0.4.1 into /workspace/builds/worker-5-tc1/source [INFO] started tweaking crates.io crate skg-mcp 0.4.1 [INFO] finished tweaking crates.io crate skg-mcp 0.4.1 [INFO] tweaked toml for crates.io crate skg-mcp 0.4.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate skg-mcp 0.4.1 on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate skg-mcp 0.4.1 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rmcp-macros v0.16.0 [INFO] [stderr] Downloaded skg-tool v0.4.1 [INFO] [stderr] Downloaded sse-stream v0.2.1 [INFO] [stderr] Downloaded wasm-bindgen-futures v0.4.63 [INFO] [stderr] Downloaded layer0 v0.4.1 [INFO] [stderr] Downloaded process-wrap v9.0.3 [INFO] [stderr] Downloaded nix v0.31.1 [INFO] [stderr] Downloaded rmcp v0.16.0 [INFO] [stderr] Downloaded web-sys v0.3.90 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ea2300fe1c7579726d2ce8405e40a724d0d222c9c29634c407eaf7d9aec25f99 [INFO] running `Command { std: "docker" "start" "-a" "ea2300fe1c7579726d2ce8405e40a724d0d222c9c29634c407eaf7d9aec25f99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ea2300fe1c7579726d2ce8405e40a724d0d222c9c29634c407eaf7d9aec25f99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea2300fe1c7579726d2ce8405e40a724d0d222c9c29634c407eaf7d9aec25f99", kill_on_drop: false }` [INFO] [stdout] ea2300fe1c7579726d2ce8405e40a724d0d222c9c29634c407eaf7d9aec25f99 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 541b095d471c80ae005e1c595d046d66bf87a441e9423168c23d92bdeb0e1fc4 [INFO] running `Command { std: "docker" "start" "-a" "541b095d471c80ae005e1c595d046d66bf87a441e9423168c23d92bdeb0e1fc4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.180 [INFO] [stderr] Compiling quote v1.0.44 [INFO] [stderr] Compiling slab v0.4.12 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling serde_json v1.0.149 [INFO] [stderr] Compiling strsim v0.11.1 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling cfg_aliases v0.2.1 [INFO] [stderr] Compiling nix v0.31.1 [INFO] [stderr] Compiling ref-cast v1.0.25 [INFO] [stderr] Compiling rust_decimal v1.40.0 [INFO] [stderr] Compiling arrayvec v0.7.6 [INFO] [stderr] Compiling rmcp v0.16.0 [INFO] [stderr] Compiling syn v2.0.117 [INFO] [stderr] Compiling dyn-clone v1.0.20 [INFO] [stderr] Compiling pastey v0.2.1 [INFO] [stderr] Compiling errno v0.3.14 [INFO] [stderr] Compiling mio v1.1.1 [INFO] [stderr] Compiling socket2 v0.6.2 [INFO] [stderr] Compiling signal-hook-registry v1.4.8 [INFO] [stderr] Compiling synstructure v0.13.2 [INFO] [stderr] Compiling darling_core v0.23.0 [INFO] [stderr] Compiling serde_derive_internals v0.29.1 [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 futures-macro v0.3.32 [INFO] [stderr] Compiling tokio-macros v2.6.0 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling tracing-attributes v0.1.31 [INFO] [stderr] Compiling futures-util v0.3.32 [INFO] [stderr] Compiling tokio v1.49.0 [INFO] [stderr] Compiling thiserror-impl v2.0.18 [INFO] [stderr] Compiling zerofrom v0.1.6 [INFO] [stderr] Compiling ref-cast-impl v1.0.25 [INFO] [stderr] Compiling yoke v0.8.1 [INFO] [stderr] Compiling zerovec v0.11.5 [INFO] [stderr] Compiling zerotrie v0.2.3 [INFO] [stderr] Compiling tracing v0.1.44 [INFO] [stderr] Compiling async-trait v0.1.89 [INFO] [stderr] Compiling schemars_derive v1.2.1 [INFO] [stderr] Compiling tinystr v0.8.2 [INFO] [stderr] Compiling icu_locale_core v2.1.1 [INFO] [stderr] Compiling potential_utf v0.1.4 [INFO] [stderr] Compiling icu_collections v2.1.1 [INFO] [stderr] Compiling darling_macro v0.23.0 [INFO] [stderr] Compiling thiserror v2.0.18 [INFO] [stderr] Compiling darling v0.23.0 [INFO] [stderr] Compiling rmcp-macros v0.16.0 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling icu_provider v2.1.1 [INFO] [stderr] Compiling icu_properties v2.1.2 [INFO] [stderr] Compiling icu_normalizer v2.1.1 [INFO] [stderr] Compiling chrono v0.4.44 [INFO] [stderr] Compiling layer0 v0.4.1 [INFO] [stderr] Compiling futures-executor v0.3.32 [INFO] [stderr] Compiling sse-stream v0.2.1 [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 schemars v1.2.1 [INFO] [stderr] Compiling url v2.5.8 [INFO] [stderr] Compiling tower v0.5.3 [INFO] [stderr] Compiling hyper v1.8.1 [INFO] [stderr] Compiling tokio-util v0.7.18 [INFO] [stderr] Compiling process-wrap v9.0.3 [INFO] [stderr] Compiling tokio-stream v0.1.18 [INFO] [stderr] Compiling tower-http v0.6.8 [INFO] [stderr] Compiling skg-tool v0.4.1 [INFO] [stderr] Compiling hyper-util v0.1.20 [INFO] [stderr] Compiling reqwest v0.13.2 [INFO] [stderr] Compiling skg-mcp v0.4.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 31s [INFO] running `Command { std: "docker" "inspect" "541b095d471c80ae005e1c595d046d66bf87a441e9423168c23d92bdeb0e1fc4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "541b095d471c80ae005e1c595d046d66bf87a441e9423168c23d92bdeb0e1fc4", kill_on_drop: false }` [INFO] [stdout] 541b095d471c80ae005e1c595d046d66bf87a441e9423168c23d92bdeb0e1fc4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0b3713a00cc3df66687dc08aa49144812d7109ff6a6851619ad2ec55ff89a8b8 [INFO] running `Command { std: "docker" "start" "-a" "0b3713a00cc3df66687dc08aa49144812d7109ff6a6851619ad2ec55ff89a8b8", kill_on_drop: false }` [INFO] [stderr] Compiling tokio v1.49.0 [INFO] [stderr] Compiling hyper v1.8.1 [INFO] [stderr] Compiling tower v0.5.3 [INFO] [stderr] Compiling tokio-util v0.7.18 [INFO] [stderr] Compiling tokio-stream v0.1.18 [INFO] [stderr] Compiling process-wrap v9.0.3 [INFO] [stderr] Compiling layer0 v0.4.1 [INFO] [stderr] Compiling tower-http v0.6.8 [INFO] [stderr] Compiling hyper-util v0.1.20 [INFO] [stderr] Compiling reqwest v0.13.2 [INFO] [stderr] Compiling skg-tool v0.4.1 [INFO] [stderr] Compiling rmcp v0.16.0 [INFO] [stderr] Compiling skg-mcp v0.4.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 42.44s [INFO] running `Command { std: "docker" "inspect" "0b3713a00cc3df66687dc08aa49144812d7109ff6a6851619ad2ec55ff89a8b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b3713a00cc3df66687dc08aa49144812d7109ff6a6851619ad2ec55ff89a8b8", kill_on_drop: false }` [INFO] [stdout] 0b3713a00cc3df66687dc08aa49144812d7109ff6a6851619ad2ec55ff89a8b8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e20c8eae0388b3fd2a19dce90fb78627a8bfe871bee7f5e7f8c2face1e2ceb1e [INFO] running `Command { std: "docker" "start" "-a" "e20c8eae0388b3fd2a19dce90fb78627a8bfe871bee7f5e7f8c2face1e2ceb1e", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/skg_mcp-619a67b5912f17f1) [INFO] [stdout] [INFO] [stdout] running 36 tests [INFO] [stdout] test client::tests::integration_connect_and_discover ... ignored [INFO] [stdout] test client::tests::mcp_prompt_wrapper_exposes_metadata ... ok [INFO] [stdout] test client::tests::mcp_prompt_wrapper_missing_description ... ok [INFO] [stdout] test client::tests::discover_operators_preserves_tool_count_logic ... ok [INFO] [stdout] test client::tests::mcp_resource_wrapper_missing_description ... ok [INFO] [stdout] test client::tests::mcp_tool_metadata_extraction ... ok [INFO] [stdout] test client::tests::mcp_resource_and_prompt_wrapper_are_send_sync ... ok [INFO] [stdout] test client::tests::mcp_resource_wrapper_exposes_metadata ... ok [INFO] [stdout] test client::tests::mcp_tool_metadata_missing_description ... ok [INFO] [stdout] test client::tests::discover_operators_metadata_extraction ... ok [INFO] [stdout] test client::tests::tool_budget_tokens_counts_descriptions ... ok [INFO] [stdout] test client::tests::tool_budget_tokens_empty ... ok [INFO] [stdout] test client::tests::mcp_tool_wrapper_is_send_sync ... ok [INFO] [stdout] test error::tests::mcp_error_display ... ok [INFO] [stdout] test server::tests::mcp_server_with_prompt ... ok [INFO] [stdout] test server::tests::mcp_server_with_prompt_no_description ... ok [INFO] [stdout] test error::tests::mcp_error_from_boxed ... ok [INFO] [stdout] test error::tests::mcp_error_is_debug ... ok [INFO] [stdout] test server::tests::mcp_server_constructs ... ok [INFO] [stdout] test server::tests::mcp_server_constructs_with_state_reader ... ok [INFO] [stdout] test server::tests::server_call_tool_not_found ... ok [INFO] [stdout] test server::tests::server_handler_get_info ... ok [INFO] [stdout] test server::tests::server_handler_get_info_with_prompts_enables_prompts ... ok [INFO] [stdout] test server::tests::server_call_tool_logic_failure ... ok [INFO] [stdout] test server::tests::mcp_server_from_operators_constructs ... ok [INFO] [stdout] test server::tests::server_handler_get_info_with_state_reader_enables_resources ... ok [INFO] [stdout] test server::tests::server_call_tool_logic_success ... ok [INFO] [stdout] test server::tests::server_handler_get_info_no_optional_capabilities ... ok [INFO] [stdout] test server::tests::server_handler_get_prompt_not_found_logic ... ok [INFO] [stdout] test server::tests::server_handler_list_prompts_none_registered_is_empty ... ok [INFO] [stdout] test server::tests::operator_tool_adapter_roundtrip ... ok [INFO] [stdout] test server::tests::server_handler_list_prompts_returns_registered ... ok [INFO] [stdout] test server::tests::server_handler_list_resources_no_reader_returns_empty ... ok [INFO] [stdout] test server::tests::server_handler_list_tools_with_registered_tool ... ok [INFO] [stdout] test server::tests::server_handler_read_resource_no_reader_returns_error ... ok [INFO] [stdout] test server::tests::server_handler_list_tools_empty ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 35 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stderr] Doc-tests skg_mcp [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" "e20c8eae0388b3fd2a19dce90fb78627a8bfe871bee7f5e7f8c2face1e2ceb1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e20c8eae0388b3fd2a19dce90fb78627a8bfe871bee7f5e7f8c2face1e2ceb1e", kill_on_drop: false }` [INFO] [stdout] e20c8eae0388b3fd2a19dce90fb78627a8bfe871bee7f5e7f8c2face1e2ceb1e