[INFO] fetching crate mcp-client 0.1.0...
[INFO] testing mcp-client-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate mcp-client 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate mcp-client 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mcp-client 0.1.0
[INFO] tweaked toml for crates.io crate mcp-client 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mcp-client 0.1.0 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 mcp-client 0.1.0 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 29ca0bfbe647d91816352156ebceebbcae1f363b81739f3b89585b0d10221c87
[INFO] running `Command { std: "docker" "start" "-a" "29ca0bfbe647d91816352156ebceebbcae1f363b81739f3b89585b0d10221c87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29ca0bfbe647d91816352156ebceebbcae1f363b81739f3b89585b0d10221c87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29ca0bfbe647d91816352156ebceebbcae1f363b81739f3b89585b0d10221c87", kill_on_drop: false }`
[INFO] [stdout] 29ca0bfbe647d91816352156ebceebbcae1f363b81739f3b89585b0d10221c87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a935a1fb7cdfff1951351596de4cd7f0050996124e0fcce09c64df4034515e2e
[INFO] running `Command { std: "docker" "start" "-a" "a935a1fb7cdfff1951351596de4cd7f0050996124e0fcce09c64df4034515e2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
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[INFO] [stderr]    Compiling mcp-spec v0.1.0
[INFO] [stderr]    Compiling hyper v0.14.32
[INFO] [stderr]    Compiling hyper-rustls v0.24.2
[INFO] [stderr]    Compiling hyper-timeout v0.4.1
[INFO] [stderr]    Compiling reqwest v0.11.27
[INFO] [stderr]    Compiling eventsource-client v0.12.2
[INFO] [stderr]    Compiling mcp-client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] running `Command { std: "docker" "inspect" "a935a1fb7cdfff1951351596de4cd7f0050996124e0fcce09c64df4034515e2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a935a1fb7cdfff1951351596de4cd7f0050996124e0fcce09c64df4034515e2e", kill_on_drop: false }`
[INFO] [stdout] a935a1fb7cdfff1951351596de4cd7f0050996124e0fcce09c64df4034515e2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 705d722627917ba56933b6f1857b8d745ce697115fa884125d8234466a379537
[INFO] running `Command { std: "docker" "start" "-a" "705d722627917ba56933b6f1857b8d745ce697115fa884125d8234466a379537", kill_on_drop: false }`
[INFO] [stderr]    Compiling mcp-client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.70s
[INFO] running `Command { std: "docker" "inspect" "705d722627917ba56933b6f1857b8d745ce697115fa884125d8234466a379537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "705d722627917ba56933b6f1857b8d745ce697115fa884125d8234466a379537", kill_on_drop: false }`
[INFO] [stdout] 705d722627917ba56933b6f1857b8d745ce697115fa884125d8234466a379537
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d0416a4e709e02200e0808daf25d637506eff713c4c32da46634e2da3b328cda
[INFO] running `Command { std: "docker" "start" "-a" "d0416a4e709e02200e0808daf25d637506eff713c4c32da46634e2da3b328cda", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mcp_client-f74502cad349bf95)
[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 mcp_client
[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" "d0416a4e709e02200e0808daf25d637506eff713c4c32da46634e2da3b328cda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0416a4e709e02200e0808daf25d637506eff713c4c32da46634e2da3b328cda", kill_on_drop: false }`
[INFO] [stdout] d0416a4e709e02200e0808daf25d637506eff713c4c32da46634e2da3b328cda