[INFO] fetching crate mcp-core 0.1.50... [INFO] testing mcp-core-0.1.50 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1 [INFO] extracting crate mcp-core 0.1.50 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate mcp-core 0.1.50 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate mcp-core 0.1.50 [INFO] tweaked toml for crates.io crate mcp-core 0.1.50 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mcp-core 0.1.50 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate mcp-core 0.1.50 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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 116df16407d5ae9c74ccf90101241d19de983645a9ae8ce08eab32071a371ef7 [INFO] running `Command { std: "docker" "start" "-a" "116df16407d5ae9c74ccf90101241d19de983645a9ae8ce08eab32071a371ef7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "116df16407d5ae9c74ccf90101241d19de983645a9ae8ce08eab32071a371ef7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "116df16407d5ae9c74ccf90101241d19de983645a9ae8ce08eab32071a371ef7", kill_on_drop: false }` [INFO] [stdout] 116df16407d5ae9c74ccf90101241d19de983645a9ae8ce08eab32071a371ef7 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c36e2f0dc9e98ae4c955e754185973e1dff227c9444598aec708fc75b064e1c9 [INFO] running `Command { std: "docker" "start" "-a" "c36e2f0dc9e98ae4c955e754185973e1dff227c9444598aec708fc75b064e1c9", kill_on_drop: false }` [INFO] [stderr] Compiling futures-sink v0.3.31 [INFO] [stderr] Compiling smallvec v1.15.0 [INFO] [stderr] Compiling futures-core v0.3.31 [INFO] [stderr] Compiling percent-encoding v2.3.1 [INFO] [stderr] Compiling tokio v1.44.2 [INFO] [stderr] Compiling syn v2.0.100 [INFO] [stderr] Compiling form_urlencoded v1.2.1 [INFO] [stderr] Compiling futures-channel v0.3.31 [INFO] [stderr] Compiling synstructure v0.13.1 [INFO] [stderr] Compiling zerofrom-derive v0.1.6 [INFO] [stderr] Compiling yoke-derive v0.7.5 [INFO] [stderr] Compiling zerovec-derive v0.10.3 [INFO] [stderr] Compiling displaydoc v0.2.5 [INFO] [stderr] Compiling icu_provider_macros v1.5.0 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling tracing-attributes v0.1.28 [INFO] [stderr] Compiling async-trait v0.1.88 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling zerofrom v0.1.6 [INFO] [stderr] Compiling yoke v0.7.5 [INFO] [stderr] Compiling zerovec v0.10.4 [INFO] [stderr] Compiling tracing v0.1.41 [INFO] [stderr] Compiling tinystr v0.7.6 [INFO] [stderr] Compiling icu_collections v1.5.0 [INFO] [stderr] Compiling icu_locid v1.5.0 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling icu_provider v1.5.0 [INFO] [stderr] Compiling icu_locid_transform v1.5.0 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling icu_properties v1.5.1 [INFO] [stderr] Compiling serde_json v1.0.140 [INFO] [stderr] Compiling icu_normalizer v1.5.0 [INFO] [stderr] Compiling idna_adapter v1.2.0 [INFO] [stderr] Compiling idna v1.0.3 [INFO] [stderr] Compiling url v2.5.4 [INFO] [stderr] Compiling mcp-core v0.1.50 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.26s [INFO] running `Command { std: "docker" "inspect" "c36e2f0dc9e98ae4c955e754185973e1dff227c9444598aec708fc75b064e1c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c36e2f0dc9e98ae4c955e754185973e1dff227c9444598aec708fc75b064e1c9", kill_on_drop: false }` [INFO] [stdout] c36e2f0dc9e98ae4c955e754185973e1dff227c9444598aec708fc75b064e1c9 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 304a122f974bec490ac58eb61a3a4e29a9a658249d6badce35d0f7c69bbff887 [INFO] running `Command { std: "docker" "start" "-a" "304a122f974bec490ac58eb61a3a4e29a9a658249d6badce35d0f7c69bbff887", kill_on_drop: false }` [INFO] [stderr] Compiling tracing-core v0.1.33 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Compiling socket2 v0.5.9 [INFO] [stderr] Compiling mio v1.0.3 [INFO] [stderr] Compiling signal-hook-registry v1.4.5 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling serde_derive_internals v0.29.1 [INFO] [stderr] Compiling schemars v0.8.22 [INFO] [stderr] Compiling clap_derive v4.5.32 [INFO] [stderr] Compiling clap_builder v4.5.37 [INFO] [stderr] Compiling thiserror-impl v2.0.12 [INFO] [stderr] Compiling dotenv v0.15.0 [INFO] [stderr] Compiling parking_lot v0.12.3 [INFO] [stderr] Compiling tracing-log v0.2.0 [INFO] [stderr] Compiling tracing v0.1.41 [INFO] [stderr] Compiling schemars_derive v0.8.22 [INFO] [stderr] Compiling tokio v1.44.2 [INFO] [stderr] Compiling tracing-subscriber v0.3.19 [INFO] [stderr] Compiling thiserror v2.0.12 [INFO] [stderr] Compiling clap v4.5.37 [INFO] [stderr] Compiling mcp-core v0.1.50 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 18.15s [INFO] running `Command { std: "docker" "inspect" "304a122f974bec490ac58eb61a3a4e29a9a658249d6badce35d0f7c69bbff887", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "304a122f974bec490ac58eb61a3a4e29a9a658249d6badce35d0f7c69bbff887", kill_on_drop: false }` [INFO] [stdout] 304a122f974bec490ac58eb61a3a4e29a9a658249d6badce35d0f7c69bbff887 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a5f1130840c7e805e3375ae4095a3162c90674d9ed9e6589bf6327478c4eaecb [INFO] running `Command { std: "docker" "start" "-a" "a5f1130840c7e805e3375ae4095a3162c90674d9ed9e6589bf6327478c4eaecb", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mcp_core-50870e539077d0fd) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test types::tests::test_tool_annotations ... ok [INFO] [stdout] test types::tests::test_text_content ... ok [INFO] [stdout] test types::tests::test_server_capabilities ... ok [INFO] [stderr] Doc-tests mcp_core [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test src/transport/server/stdio.rs - transport::server::stdio::ServerStdioTransport (line 29) ... ok [INFO] [stdout] test src/transport/client/stdio.rs - transport::client::stdio::ClientStdioTransport (line 32) ... ok [INFO] [stdout] test src/lib.rs - tool_text_content (line 112) ... ok [INFO] [stdout] test src/lib.rs - tool_resource_content (line 182) ... ok [INFO] [stdout] test src/lib.rs - tool_error_response (line 52) ... ok [INFO] [stdout] test src/lib.rs - tool_image_content (line 134) ... ok [INFO] [stdout] test src/lib.rs - tool_audio_content (line 158) ... ok [INFO] [stdout] test src/lib.rs - tool_text_response (line 84) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.34s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "a5f1130840c7e805e3375ae4095a3162c90674d9ed9e6589bf6327478c4eaecb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5f1130840c7e805e3375ae4095a3162c90674d9ed9e6589bf6327478c4eaecb", kill_on_drop: false }` [INFO] [stdout] a5f1130840c7e805e3375ae4095a3162c90674d9ed9e6589bf6327478c4eaecb