[INFO] fetching crate mcp-protocol-client 0.2.0... [INFO] testing mcp-protocol-client-0.2.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1 [INFO] extracting crate mcp-protocol-client 0.2.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate mcp-protocol-client 0.2.0 [INFO] finished tweaking crates.io crate mcp-protocol-client 0.2.0 [INFO] tweaked toml for crates.io crate mcp-protocol-client 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mcp-protocol-client 0.2.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate mcp-protocol-client 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7df3ec0176d924a89e840c801277074cf575e3826cad572920ba573c1dbcda82 [INFO] running `Command { std: "docker" "start" "-a" "7df3ec0176d924a89e840c801277074cf575e3826cad572920ba573c1dbcda82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7df3ec0176d924a89e840c801277074cf575e3826cad572920ba573c1dbcda82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7df3ec0176d924a89e840c801277074cf575e3826cad572920ba573c1dbcda82", kill_on_drop: false }` [INFO] [stdout] 7df3ec0176d924a89e840c801277074cf575e3826cad572920ba573c1dbcda82 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6e4c93f62cd2e074910d09ed0437a62f232622ae447c97441d4033ab6c62bdd3 [INFO] running `Command { std: "docker" "start" "-a" "6e4c93f62cd2e074910d09ed0437a62f232622ae447c97441d4033ab6c62bdd3", kill_on_drop: false }` [INFO] [stderr] Compiling slab v0.4.10 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.39 [INFO] [stderr] Compiling parking_lot_core v0.6.3 [INFO] [stderr] Compiling lock_api v0.4.13 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling parking_lot_core v0.9.11 [INFO] [stderr] Compiling futures-sink v0.3.31 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling memchr v2.7.5 [INFO] [stderr] Compiling futures-channel v0.3.31 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling signal-hook-registry v1.4.5 [INFO] [stderr] Compiling num_cpus v1.17.0 [INFO] [stderr] Compiling tokio-io v0.1.13 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling serde_json v1.0.141 [INFO] [stderr] Compiling tokio-reactor v0.1.12 [INFO] [stderr] Compiling tracing-core v0.1.34 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling parking_lot v0.12.4 [INFO] [stderr] Compiling tracing-attributes v0.1.30 [INFO] [stderr] Compiling tokio-signal v0.2.9 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling socket2 v0.6.0 [INFO] [stderr] Compiling mio v1.0.4 [INFO] [stderr] Compiling tokio-process v0.2.5 [INFO] [stderr] Compiling uuid v1.17.0 [INFO] [stderr] Compiling tokio v1.47.0 [INFO] [stderr] Compiling async-trait v0.1.88 [INFO] [stderr] Compiling tracing v0.1.41 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling mcp-protocol-types v0.1.0 [INFO] [stderr] Compiling mcp-protocol-client v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `mcp-protocol-sdk` [INFO] [stdout] --> src/lib.rs:48:7 [INFO] [stdout] | [INFO] [stdout] 48 | #[cfg(feature = "mcp-protocol-sdk")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `http`, `reqwest`, `stdio`, `tokio-process`, `tokio-tungstenite`, and `websocket` [INFO] [stdout] = help: consider adding `mcp-protocol-sdk` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.17s [INFO] running `Command { std: "docker" "inspect" "6e4c93f62cd2e074910d09ed0437a62f232622ae447c97441d4033ab6c62bdd3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e4c93f62cd2e074910d09ed0437a62f232622ae447c97441d4033ab6c62bdd3", kill_on_drop: false }` [INFO] [stdout] 6e4c93f62cd2e074910d09ed0437a62f232622ae447c97441d4033ab6c62bdd3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a82e39f3feb7872afbef39cfb28a444960d0d0fb92f3b38715cb282e317b091a [INFO] running `Command { std: "docker" "start" "-a" "a82e39f3feb7872afbef39cfb28a444960d0d0fb92f3b38715cb282e317b091a", kill_on_drop: false }` [INFO] [stderr] Compiling futures-channel v0.3.31 [INFO] [stderr] Compiling tokio v1.47.0 [INFO] [stderr] Compiling rustix v1.0.8 [INFO] [stderr] Compiling async-stream-impl v0.3.6 [INFO] [stderr] Compiling bitflags v2.9.1 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling async-stream v0.3.6 [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 tokio-stream v0.1.17 [INFO] [stderr] Compiling mcp-protocol-client v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `mcp-protocol-sdk` [INFO] [stdout] --> src/lib.rs:48:7 [INFO] [stdout] | [INFO] [stdout] 48 | #[cfg(feature = "mcp-protocol-sdk")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `http`, `reqwest`, `stdio`, `tokio-process`, `tokio-tungstenite`, and `websocket` [INFO] [stdout] = help: consider adding `mcp-protocol-sdk` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling tokio-test v0.4.4 [INFO] [stdout] warning: unexpected `cfg` condition value: `mcp-protocol-sdk` [INFO] [stdout] --> src/lib.rs:48:7 [INFO] [stdout] | [INFO] [stdout] 48 | #[cfg(feature = "mcp-protocol-sdk")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `http`, `reqwest`, `stdio`, `tokio-process`, `tokio-tungstenite`, and `websocket` [INFO] [stdout] = help: consider adding `mcp-protocol-sdk` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 16.69s [INFO] running `Command { std: "docker" "inspect" "a82e39f3feb7872afbef39cfb28a444960d0d0fb92f3b38715cb282e317b091a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a82e39f3feb7872afbef39cfb28a444960d0d0fb92f3b38715cb282e317b091a", kill_on_drop: false }` [INFO] [stdout] a82e39f3feb7872afbef39cfb28a444960d0d0fb92f3b38715cb282e317b091a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a59d69d234f541d597a40254708f22fa6824fdbb7164498bbb7d2cf7cd4c853e [INFO] running `Command { std: "docker" "start" "-a" "a59d69d234f541d597a40254708f22fa6824fdbb7164498bbb7d2cf7cd4c853e", kill_on_drop: false }` [INFO] [stderr] warning: unexpected `cfg` condition value: `mcp-protocol-sdk` [INFO] [stderr] --> src/lib.rs:48:7 [INFO] [stderr] | [INFO] [stderr] 48 | #[cfg(feature = "mcp-protocol-sdk")] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `default`, `http`, `reqwest`, `stdio`, `tokio-process`, `tokio-tungstenite`, and `websocket` [INFO] [stderr] = help: consider adding `mcp-protocol-sdk` as a feature in `Cargo.toml` [INFO] [stderr] = note: see for more information about checking conditional configuration [INFO] [stderr] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `mcp-protocol-client` (lib) generated 1 warning [INFO] [stderr] warning: `mcp-protocol-client` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mcp_protocol_client-4b12ef18d1711d60) [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_protocol_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" "a59d69d234f541d597a40254708f22fa6824fdbb7164498bbb7d2cf7cd4c853e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a59d69d234f541d597a40254708f22fa6824fdbb7164498bbb7d2cf7cd4c853e", kill_on_drop: false }` [INFO] [stdout] a59d69d234f541d597a40254708f22fa6824fdbb7164498bbb7d2cf7cd4c853e