[INFO] fetching crate mcp-rust 0.1.0...
[INFO] testing mcp-rust-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate mcp-rust 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate mcp-rust 0.1.0
[INFO] finished tweaking crates.io crate mcp-rust 0.1.0
[INFO] tweaked toml for crates.io crate mcp-rust 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mcp-rust 0.1.0 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 mcp-rust 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" "+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] 1cb98c36c77bb422480bffeaa329b0caf42f24da910e5c0cc536bad9637d60ae
[INFO] running `Command { std: "docker" "start" "-a" "1cb98c36c77bb422480bffeaa329b0caf42f24da910e5c0cc536bad9637d60ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cb98c36c77bb422480bffeaa329b0caf42f24da910e5c0cc536bad9637d60ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cb98c36c77bb422480bffeaa329b0caf42f24da910e5c0cc536bad9637d60ae", kill_on_drop: false }`
[INFO] [stdout] 1cb98c36c77bb422480bffeaa329b0caf42f24da910e5c0cc536bad9637d60ae
[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] eba48eb389e610f97a2b0656ddb73adebfd841f986339ebc92f64fb4dd774009
[INFO] running `Command { std: "docker" "start" "-a" "eba48eb389e610f97a2b0656ddb73adebfd841f986339ebc92f64fb4dd774009", kill_on_drop: false }`
[INFO] [stderr]    Compiling find-msvc-tools v0.1.2
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling cc v1.2.38
[INFO] [stderr]    Compiling serde_core v1.0.226
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]    Compiling serde v1.0.226
[INFO] [stderr]    Compiling aws-lc-rs v1.14.0
[INFO] [stderr]    Compiling rustls v0.23.32
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling matchit v0.8.4
[INFO] [stderr]    Compiling compression-core v0.4.29
[INFO] [stderr]    Compiling aws-lc-sys v0.31.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling compression-codecs v0.4.30
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling convert_case v0.8.0
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling serde_path_to_error v0.1.20
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling struct-path v0.2.4
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.8.0
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling serde_derive v1.0.226
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling rustls-pki-types v1.12.0
[INFO] [stderr]    Compiling axum-core v0.5.2
[INFO] [stderr]    Compiling zerotrie v0.2.2
[INFO] [stderr]    Compiling zerovec v0.11.4
[INFO] [stderr]    Compiling rustls-native-certs v0.8.1
[INFO] [stderr]    Compiling prost-derive v0.14.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stderr]    Compiling tinystr v0.8.1
[INFO] [stderr]    Compiling icu_locale_core v2.0.0
[INFO] [stderr]    Compiling potential_utf v0.1.3
[INFO] [stderr]    Compiling icu_collections v2.0.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling axum-macros v0.5.0
[INFO] [stderr]    Compiling icu_provider v2.0.0
[INFO] [stderr]    Compiling prost v0.14.1
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling icu_properties v2.0.1
[INFO] [stderr]    Compiling icu_normalizer v2.0.0
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling simple_asn1 v0.6.3
[INFO] [stderr]    Compiling tokio-util v0.7.16
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling async-compression v0.4.30
[INFO] [stderr]    Compiling h2 v0.4.12
[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling jsonwebtoken v9.3.1
[INFO] [stderr]    Compiling secret-vault-value v1.0.1
[INFO] [stderr]    Compiling url v2.5.7
[INFO] [stderr]    Compiling prost-types v0.14.1
[INFO] [stderr]    Compiling tower-http v0.6.6
[INFO] [stderr]    Compiling rvs_derive v0.3.2
[INFO] [stderr]    Compiling backoff v0.4.0
[INFO] [stderr]    Compiling rvstruct v0.3.2
[INFO] [stderr]    Compiling rsb_derive v0.5.1
[INFO] [stderr]    Compiling hyper v1.7.0
[INFO] [stderr]    Compiling hyper-util v0.1.17
[INFO] [stderr]    Compiling axum v0.8.4
[INFO] [stderr]    Compiling hyper-timeout v0.5.2
[INFO] [stderr]    Compiling rustls-webpki v0.103.6
[INFO] [stderr]    Compiling tokio-rustls v0.26.3
[INFO] [stderr]    Compiling hyper-rustls v0.27.7
[INFO] [stderr]    Compiling tonic v0.14.2
[INFO] [stderr]    Compiling reqwest v0.12.23
[INFO] [stderr]    Compiling tonic-prost v0.14.2
[INFO] [stderr]    Compiling gcloud-sdk v0.28.2
[INFO] [stderr]    Compiling firestore v0.47.0
[INFO] [stderr]    Compiling mcp-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 13s
[INFO] running `Command { std: "docker" "inspect" "eba48eb389e610f97a2b0656ddb73adebfd841f986339ebc92f64fb4dd774009", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eba48eb389e610f97a2b0656ddb73adebfd841f986339ebc92f64fb4dd774009", kill_on_drop: false }`
[INFO] [stdout] eba48eb389e610f97a2b0656ddb73adebfd841f986339ebc92f64fb4dd774009
[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] 3957fcbae163d17c8b23d76396730374fe29f4939160edb026f359f5ce22f9f8
[INFO] running `Command { std: "docker" "start" "-a" "3957fcbae163d17c8b23d76396730374fe29f4939160edb026f359f5ce22f9f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling mcp-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "3957fcbae163d17c8b23d76396730374fe29f4939160edb026f359f5ce22f9f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3957fcbae163d17c8b23d76396730374fe29f4939160edb026f359f5ce22f9f8", kill_on_drop: false }`
[INFO] [stdout] 3957fcbae163d17c8b23d76396730374fe29f4939160edb026f359f5ce22f9f8
[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] 04ea83be21ff1fda7872c29bf35b7f9efeb6d2d1bd9736694a2b0612da4f875f
[INFO] running `Command { std: "docker" "start" "-a" "04ea83be21ff1fda7872c29bf35b7f9efeb6d2d1bd9736694a2b0612da4f875f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mcp_rust-26634ec44534bb86)
[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" "04ea83be21ff1fda7872c29bf35b7f9efeb6d2d1bd9736694a2b0612da4f875f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04ea83be21ff1fda7872c29bf35b7f9efeb6d2d1bd9736694a2b0612da4f875f", kill_on_drop: false }`
[INFO] [stdout] 04ea83be21ff1fda7872c29bf35b7f9efeb6d2d1bd9736694a2b0612da4f875f