[INFO] fetching crate mcp-schema 0.2.0...
[INFO] testing mcp-schema-0.2.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mcp-schema 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate mcp-schema 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mcp-schema 0.2.0
[INFO] tweaked toml for crates.io crate mcp-schema 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mcp-schema 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 mcp-schema 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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fd45409252caa28a1b5c2815eb2807f8cc92558c62e20371667ca68a95f012b
[INFO] running `Command { std: "docker" "start" "-a" "1fd45409252caa28a1b5c2815eb2807f8cc92558c62e20371667ca68a95f012b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fd45409252caa28a1b5c2815eb2807f8cc92558c62e20371667ca68a95f012b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fd45409252caa28a1b5c2815eb2807f8cc92558c62e20371667ca68a95f012b", kill_on_drop: false }`
[INFO] [stdout] 1fd45409252caa28a1b5c2815eb2807f8cc92558c62e20371667ca68a95f012b
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b1c7b374de36f9fc59696c9f2fbb65fa6a0306609521c398c415e81d89eb529
[INFO] running `Command { std: "docker" "start" "-a" "9b1c7b374de36f9fc59696c9f2fbb65fa6a0306609521c398c415e81d89eb529", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling serde v1.0.216
[INFO] [stderr]    Compiling serde_json v1.0.134
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.91
[INFO] [stderr]    Compiling serde_derive v1.0.216
[INFO] [stderr]    Compiling mcp-schema v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.56s
[INFO] running `Command { std: "docker" "inspect" "9b1c7b374de36f9fc59696c9f2fbb65fa6a0306609521c398c415e81d89eb529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b1c7b374de36f9fc59696c9f2fbb65fa6a0306609521c398c415e81d89eb529", kill_on_drop: false }`
[INFO] [stdout] 9b1c7b374de36f9fc59696c9f2fbb65fa6a0306609521c398c415e81d89eb529
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5be7ff424c70430cb633b36c60e4663bc3e5beb56094a526f6bb3f0ec8bfd86
[INFO] running `Command { std: "docker" "start" "-a" "c5be7ff424c70430cb633b36c60e4663bc3e5beb56094a526f6bb3f0ec8bfd86", kill_on_drop: false }`
[INFO] [stderr]    Compiling mcp-schema v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.45s
[INFO] running `Command { std: "docker" "inspect" "c5be7ff424c70430cb633b36c60e4663bc3e5beb56094a526f6bb3f0ec8bfd86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5be7ff424c70430cb633b36c60e4663bc3e5beb56094a526f6bb3f0ec8bfd86", kill_on_drop: false }`
[INFO] [stdout] c5be7ff424c70430cb633b36c60e4663bc3e5beb56094a526f6bb3f0ec8bfd86
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7ee3e0e2bca8362ea08cb343dc11f38adc992db68229dc388e156f398dbc141f
[INFO] running `Command { std: "docker" "start" "-a" "7ee3e0e2bca8362ea08cb343dc11f38adc992db68229dc388e156f398dbc141f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mcp_schema-ad25ddd6bec19cf0)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mcp_schema-2adb6f57ec1352b4)
[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] [stderr]      Running tests/test_latest_spec.rs (/opt/rustwide/target/debug/deps/test_latest_spec-93c4554cb9d020e2)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_backward_compatibility ... ok
[INFO] [stdout] test test_elicitation_create_request ... ok
[INFO] [stdout] test test_call_tool_result_with_structured_content ... ok
[INFO] [stdout] test test_tool_with_annotations ... ok
[INFO] [stdout] test test_elicitation_create_result ... 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]    Doc-tests mcp_schema
[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" "7ee3e0e2bca8362ea08cb343dc11f38adc992db68229dc388e156f398dbc141f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ee3e0e2bca8362ea08cb343dc11f38adc992db68229dc388e156f398dbc141f", kill_on_drop: false }`
[INFO] [stdout] 7ee3e0e2bca8362ea08cb343dc11f38adc992db68229dc388e156f398dbc141f