[INFO] fetching crate mcp-client-rust 0.1.1... [INFO] testing mcp-client-rust-0.1.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] extracting crate mcp-client-rust 0.1.1 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate mcp-client-rust 0.1.1 [INFO] finished tweaking crates.io crate mcp-client-rust 0.1.1 [INFO] tweaked toml for crates.io crate mcp-client-rust 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mcp-client-rust 0.1.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate mcp-client-rust 0.1.1 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 3 packages to latest Rust 1.91.0-nightly compatible versions [INFO] [stderr] Adding mcp-core-rs v0.1.0 [INFO] [stderr] Adding mcp-error-rs v0.1.0 [INFO] [stderr] Adding mcp-transport-rs v0.1.0 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0d06368c0bab005e39c0d83be808b31bf70fb5c3ae19795f0f86b8a3a2392365 [INFO] running `Command { std: "docker" "start" "-a" "0d06368c0bab005e39c0d83be808b31bf70fb5c3ae19795f0f86b8a3a2392365", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0d06368c0bab005e39c0d83be808b31bf70fb5c3ae19795f0f86b8a3a2392365", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d06368c0bab005e39c0d83be808b31bf70fb5c3ae19795f0f86b8a3a2392365", kill_on_drop: false }` [INFO] [stdout] 0d06368c0bab005e39c0d83be808b31bf70fb5c3ae19795f0f86b8a3a2392365 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6ffda4400f163d6a9314e546b04aca9915034ff00d894d99f7b0f0a4e093d915 [INFO] running `Command { std: "docker" "start" "-a" "6ffda4400f163d6a9314e546b04aca9915034ff00d894d99f7b0f0a4e093d915", kill_on_drop: false }` [INFO] [stderr] Compiling hashbrown v0.15.4 [INFO] [stderr] Compiling libc v0.2.174 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Compiling ring v0.17.14 [INFO] [stderr] Compiling ucd-trie v0.1.7 [INFO] [stderr] Compiling openssl-sys v0.9.109 [INFO] [stderr] Compiling hashbrown v0.14.5 [INFO] [stderr] Compiling winnow v0.7.11 [INFO] [stderr] Compiling trim-in-place v0.1.7 [INFO] [stderr] Compiling rustls v0.21.12 [INFO] [stderr] Compiling rustls-pki-types v1.12.0 [INFO] [stderr] Compiling convert_case v0.6.0 [INFO] [stderr] Compiling pathdiff v0.2.3 [INFO] [stderr] Compiling rand v0.9.1 [INFO] [stderr] Compiling rustls-native-certs v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling indexmap v2.10.0 [INFO] [stderr] Compiling hashlink v0.10.0 [INFO] [stderr] Compiling yaml-rust2 v0.10.3 [INFO] [stderr] Compiling getrandom v0.2.16 [INFO] [stderr] Compiling const-random-macro v0.1.16 [INFO] [stderr] Compiling const-random v0.1.18 [INFO] [stderr] Compiling dlv-list v0.5.2 [INFO] [stderr] Compiling ordered-multimap v0.7.3 [INFO] [stderr] Compiling rust-ini v0.21.1 [INFO] [stderr] Compiling rustls-webpki v0.101.7 [INFO] [stderr] Compiling sct v0.7.1 [INFO] [stderr] Compiling synstructure v0.13.2 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling zerofrom-derive v0.1.6 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling yoke-derive v0.8.0 [INFO] [stderr] Compiling zerovec-derive v0.11.1 [INFO] [stderr] Compiling tracing-attributes v0.1.30 [INFO] [stderr] Compiling displaydoc v0.2.5 [INFO] [stderr] Compiling thiserror-impl v2.0.12 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling async-trait v0.1.88 [INFO] [stderr] Compiling pin-project-internal v1.1.10 [INFO] [stderr] Compiling tokio v1.45.1 [INFO] [stderr] Compiling tracing v0.1.41 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling zerofrom v0.1.6 [INFO] [stderr] Compiling yoke v0.8.0 [INFO] [stderr] Compiling zerotrie v0.2.2 [INFO] [stderr] Compiling thiserror v2.0.12 [INFO] [stderr] Compiling pin-project v1.1.10 [INFO] [stderr] Compiling pest v2.8.1 [INFO] [stderr] Compiling zerovec v0.11.2 [INFO] [stderr] Compiling tinystr v0.8.1 [INFO] [stderr] Compiling potential_utf v0.1.2 [INFO] [stderr] Compiling pest_meta v2.8.1 [INFO] [stderr] Compiling icu_collections v2.0.0 [INFO] [stderr] Compiling icu_locale_core v2.0.0 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling pest_generator v2.8.1 [INFO] [stderr] Compiling icu_provider v2.0.0 [INFO] [stderr] Compiling icu_properties v2.0.1 [INFO] [stderr] Compiling icu_normalizer v2.0.0 [INFO] [stderr] Compiling pest_derive v2.8.1 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling idna_adapter v1.2.1 [INFO] [stderr] Compiling idna v1.0.3 [INFO] [stderr] Compiling tokio-util v0.7.15 [INFO] [stderr] Compiling tower v0.5.2 [INFO] [stderr] Compiling tokio-rustls v0.24.1 [INFO] [stderr] Compiling tokio-io-timeout v1.2.0 [INFO] [stderr] Compiling url v2.5.4 [INFO] [stderr] Compiling h2 v0.4.10 [INFO] [stderr] Compiling h2 v0.3.26 [INFO] [stderr] Compiling bitflags v2.9.1 [INFO] [stderr] Compiling toml_datetime v0.6.11 [INFO] [stderr] Compiling serde_spanned v0.6.9 [INFO] [stderr] Compiling serde_json v1.0.140 [INFO] [stderr] Compiling serde_urlencoded v0.7.1 [INFO] [stderr] Compiling json5 v0.4.1 [INFO] [stderr] Compiling chrono v0.4.41 [INFO] [stderr] Compiling openssl v0.10.73 [INFO] [stderr] Compiling tower-http v0.6.6 [INFO] [stderr] Compiling ron v0.8.1 [INFO] [stderr] Compiling toml_edit v0.22.27 [INFO] [stderr] Compiling hyper v0.14.32 [INFO] [stderr] Compiling toml v0.8.23 [INFO] [stderr] Compiling config v0.15.11 [INFO] [stderr] Compiling native-tls v0.2.14 [INFO] [stderr] Compiling hyper v1.6.0 [INFO] [stderr] Compiling tokio-native-tls v0.3.1 [INFO] [stderr] Compiling hyper-util v0.1.14 [INFO] [stderr] Compiling hyper-rustls v0.24.2 [INFO] [stderr] Compiling hyper-timeout v0.4.1 [INFO] [stderr] Compiling eventsource-client v0.15.0 [INFO] [stderr] Compiling hyper-tls v0.6.0 [INFO] [stderr] Compiling reqwest v0.12.20 [INFO] [stderr] Compiling service_utils_rs v0.3.20 [INFO] [stderr] Compiling mcp-error-rs v0.1.0 [INFO] [stderr] Compiling mcp-core-rs v0.1.0 [INFO] [stderr] Compiling mcp-transport-rs v0.1.0 [INFO] [stderr] Compiling mcp-client-rust v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 09s [INFO] running `Command { std: "docker" "inspect" "6ffda4400f163d6a9314e546b04aca9915034ff00d894d99f7b0f0a4e093d915", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ffda4400f163d6a9314e546b04aca9915034ff00d894d99f7b0f0a4e093d915", kill_on_drop: false }` [INFO] [stdout] 6ffda4400f163d6a9314e546b04aca9915034ff00d894d99f7b0f0a4e093d915 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 26c9b44418f722ce0de61bb6c616ca163d62db0045b5549010256bc172ff67d5 [INFO] running `Command { std: "docker" "start" "-a" "26c9b44418f722ce0de61bb6c616ca163d62db0045b5549010256bc172ff67d5", kill_on_drop: false }` [INFO] [stderr] Compiling mcp-client-rust v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.51s [INFO] running `Command { std: "docker" "inspect" "26c9b44418f722ce0de61bb6c616ca163d62db0045b5549010256bc172ff67d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "26c9b44418f722ce0de61bb6c616ca163d62db0045b5549010256bc172ff67d5", kill_on_drop: false }` [INFO] [stdout] 26c9b44418f722ce0de61bb6c616ca163d62db0045b5549010256bc172ff67d5 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4aa8ba1c854dac0f5659139b758b0f65aeb326465cf8f8e80ea26654bc6a7a68 [INFO] running `Command { std: "docker" "start" "-a" "4aa8ba1c854dac0f5659139b758b0f65aeb326465cf8f8e80ea26654bc6a7a68", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mcp_client_rust-6db93bc74b12886b) [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_rust [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" "4aa8ba1c854dac0f5659139b758b0f65aeb326465cf8f8e80ea26654bc6a7a68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4aa8ba1c854dac0f5659139b758b0f65aeb326465cf8f8e80ea26654bc6a7a68", kill_on_drop: false }` [INFO] [stdout] 4aa8ba1c854dac0f5659139b758b0f65aeb326465cf8f8e80ea26654bc6a7a68