[INFO] fetching crate modelcontextprotocol-server 0.1.5...
[INFO] testing modelcontextprotocol-server-0.1.5 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate modelcontextprotocol-server 0.1.5 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate modelcontextprotocol-server 0.1.5
[INFO] finished tweaking crates.io crate modelcontextprotocol-server 0.1.5
[INFO] tweaked toml for crates.io crate modelcontextprotocol-server 0.1.5 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate modelcontextprotocol-server 0.1.5 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate modelcontextprotocol-server 0.1.5 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-2025-10-28" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0413b2b47463404e67a0e1b2040d3eabd751f7d01e28e4cbc466eeb78f1d1cd8
[INFO] running `Command { std: "docker" "start" "-a" "0413b2b47463404e67a0e1b2040d3eabd751f7d01e28e4cbc466eeb78f1d1cd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0413b2b47463404e67a0e1b2040d3eabd751f7d01e28e4cbc466eeb78f1d1cd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0413b2b47463404e67a0e1b2040d3eabd751f7d01e28e4cbc466eeb78f1d1cd8", kill_on_drop: false }`
[INFO] [stdout] 0413b2b47463404e67a0e1b2040d3eabd751f7d01e28e4cbc466eeb78f1d1cd8
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5093626b09042dfc5b846a8e1ecf03f54eadb63d2e46861f944c030a831b5bc
[INFO] running `Command { std: "docker" "start" "-a" "a5093626b09042dfc5b846a8e1ecf03f54eadb63d2e46861f944c030a831b5bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tokio v1.46.1
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling serde_json v1.0.141
[INFO] [stderr]    Compiling mcp-protocol v0.2.7
[INFO] [stderr]    Compiling modelcontextprotocol-server v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.31s
[INFO] running `Command { std: "docker" "inspect" "a5093626b09042dfc5b846a8e1ecf03f54eadb63d2e46861f944c030a831b5bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5093626b09042dfc5b846a8e1ecf03f54eadb63d2e46861f944c030a831b5bc", kill_on_drop: false }`
[INFO] [stdout] a5093626b09042dfc5b846a8e1ecf03f54eadb63d2e46861f944c030a831b5bc
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2ea91e5ca3a5d13b0d3e02ab93b3a978f2665712a1f40ccde15c2f4a81dbb04
[INFO] running `Command { std: "docker" "start" "-a" "d2ea91e5ca3a5d13b0d3e02ab93b3a978f2665712a1f40ccde15c2f4a81dbb04", kill_on_drop: false }`
[INFO] [stderr]    Compiling modelcontextprotocol-server v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "d2ea91e5ca3a5d13b0d3e02ab93b3a978f2665712a1f40ccde15c2f4a81dbb04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2ea91e5ca3a5d13b0d3e02ab93b3a978f2665712a1f40ccde15c2f4a81dbb04", kill_on_drop: false }`
[INFO] [stdout] d2ea91e5ca3a5d13b0d3e02ab93b3a978f2665712a1f40ccde15c2f4a81dbb04
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 22c18d14b66eab81a41e7b2d5f3501b30adf053d5c0225b4a084ac46e3f663fc
[INFO] running `Command { std: "docker" "start" "-a" "22c18d14b66eab81a41e7b2d5f3501b30adf053d5c0225b4a084ac46e3f663fc", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/modelcontextprotocol_server-a94720e3d1f77b1c)
[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]    Doc-tests modelcontextprotocol_server
[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" "22c18d14b66eab81a41e7b2d5f3501b30adf053d5c0225b4a084ac46e3f663fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22c18d14b66eab81a41e7b2d5f3501b30adf053d5c0225b4a084ac46e3f663fc", kill_on_drop: false }`
[INFO] [stdout] 22c18d14b66eab81a41e7b2d5f3501b30adf053d5c0225b4a084ac46e3f663fc