[INFO] fetching crate mcp-protocol-sdk 0.5.1...
[INFO] building mcp-protocol-sdk-0.5.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate mcp-protocol-sdk 0.5.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate mcp-protocol-sdk 0.5.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mcp-protocol-sdk 0.5.1
[INFO] tweaked toml for crates.io crate mcp-protocol-sdk 0.5.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mcp-protocol-sdk 0.5.1 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mcp-protocol-sdk 0.5.1 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tungstenite v0.27.0
[INFO] [stderr]   Downloaded tokio-tungstenite v0.27.0
[INFO] [stderr]   Downloaded borrow-or-share v0.2.2
[INFO] [stderr]   Downloaded referencing v0.32.0
[INFO] [stderr]   Downloaded num-cmp v0.1.0
[INFO] [stderr]   Downloaded uuid-simd v0.8.0
[INFO] [stderr]   Downloaded fluent-uri v0.3.2
[INFO] [stderr]   Downloaded fancy-regex v0.15.0
[INFO] [stderr]   Downloaded fraction v0.15.3
[INFO] [stderr]   Downloaded jsonschema v0.32.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19c4700fe6c940d599b02e596a1b47897eb3d8930dd6593c4318d96ed84b8cc7
[INFO] running `Command { std: "docker" "start" "-a" "19c4700fe6c940d599b02e596a1b47897eb3d8930dd6593c4318d96ed84b8cc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19c4700fe6c940d599b02e596a1b47897eb3d8930dd6593c4318d96ed84b8cc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19c4700fe6c940d599b02e596a1b47897eb3d8930dd6593c4318d96ed84b8cc7", kill_on_drop: false }`
[INFO] [stdout] 19c4700fe6c940d599b02e596a1b47897eb3d8930dd6593c4318d96ed84b8cc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af0d51aa80927b2ccf408e7ab1c5332a00269b55dfb50d89a3ba64974aa00d2c
[INFO] running `Command { std: "docker" "start" "-a" "af0d51aa80927b2ccf408e7ab1c5332a00269b55dfb50d89a3ba64974aa00d2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling uuid v1.17.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling mcp-protocol-sdk v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.79s
[INFO] running `Command { std: "docker" "inspect" "af0d51aa80927b2ccf408e7ab1c5332a00269b55dfb50d89a3ba64974aa00d2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af0d51aa80927b2ccf408e7ab1c5332a00269b55dfb50d89a3ba64974aa00d2c", kill_on_drop: false }`
[INFO] [stdout] af0d51aa80927b2ccf408e7ab1c5332a00269b55dfb50d89a3ba64974aa00d2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f780ccf3e90f6aaae99554bb90925747c9cf4ab6bf3fbdbdccbe2531ff8577d7
[INFO] running `Command { std: "docker" "start" "-a" "f780ccf3e90f6aaae99554bb90925747c9cf4ab6bf3fbdbdccbe2531ff8577d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling clap_builder v4.5.42
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling criterion-plot v0.6.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling clap v4.5.42
[INFO] [stderr]    Compiling tempfile v3.20.0
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]    Compiling uuid v1.17.0
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.7.0
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling mcp-protocol-sdk v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio-test v0.4.4
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/test_readme_examples.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 131 |     let mut server = McpServer::new("test-server".to_string(), "1.0.0".to_string());
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `transport`
[INFO] [stdout]    --> tests/initialization_fix_test.rs:208:9
[INFO] [stdout]     |
[INFO] [stdout] 208 |     let transport = StdioServerTransport::new();
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_transport`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/initialization_fix_test.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |     let mut server = McpServer::new("startup-test".to_string(), "1.0.0".to_string());
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 49.18s
[INFO] running `Command { std: "docker" "inspect" "f780ccf3e90f6aaae99554bb90925747c9cf4ab6bf3fbdbdccbe2531ff8577d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f780ccf3e90f6aaae99554bb90925747c9cf4ab6bf3fbdbdccbe2531ff8577d7", kill_on_drop: false }`
[INFO] [stdout] f780ccf3e90f6aaae99554bb90925747c9cf4ab6bf3fbdbdccbe2531ff8577d7