[INFO] fetching crate synonz-mcp 0.7.0...
[INFO] testing synonz-mcp-0.7.0 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate synonz-mcp 0.7.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate synonz-mcp 0.7.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate synonz-mcp 0.7.0
[INFO] tweaked toml for crates.io crate synonz-mcp 0.7.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate synonz-mcp 0.7.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate synonz-mcp 0.7.0 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded synonz v0.7.0
[INFO] [stderr]   Downloaded serde_derive_internals v0.30.0
[INFO] [stderr]   Downloaded rmcp-macros v3.1.4
[INFO] [stderr]   Downloaded schemars_derive v1.2.2
[INFO] [stderr]   Downloaded synonz-derive v0.7.0
[INFO] [stderr]   Downloaded process-wrap v9.1.0
[INFO] [stderr]   Downloaded rmcp v3.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 526b7b3fdb160be504b19b9baaaa3d51b2987869a144893b0b261e99fe257e2a
[INFO] running `Command { std: "docker" "start" "526b7b3fdb160be504b19b9baaaa3d51b2987869a144893b0b261e99fe257e2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "526b7b3fdb160be504b19b9baaaa3d51b2987869a144893b0b261e99fe257e2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "526b7b3fdb160be504b19b9baaaa3d51b2987869a144893b0b261e99fe257e2a" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "526b7b3fdb160be504b19b9baaaa3d51b2987869a144893b0b261e99fe257e2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "526b7b3fdb160be504b19b9baaaa3d51b2987869a144893b0b261e99fe257e2a" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling futures-channel v0.3.34
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling mio v1.2.2
[INFO] [stderr]    Compiling nix v0.31.3
[INFO] [stderr]    Compiling ref-cast v1.0.27
[INFO] [stderr]    Compiling bitflags v2.13.1
[INFO] [stderr]    Compiling rmcp v3.1.4
[INFO] [stderr]    Compiling dyn-clone v1.0.20
[INFO] [stderr]    Compiling uuid v1.26.0
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling syn v3.0.4
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]    Compiling serde_derive_internals v0.30.0
[INFO] [stderr]    Compiling tokio-macros v2.7.2
[INFO] [stderr]    Compiling futures-macro v0.3.34
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling thiserror-impl v2.0.20
[INFO] [stderr]    Compiling ref-cast-impl v1.0.27
[INFO] [stderr]    Compiling schemars_derive v1.2.2
[INFO] [stderr]    Compiling tokio v1.53.1
[INFO] [stderr]    Compiling futures-util v0.3.34
[INFO] [stderr]    Compiling thiserror v2.0.20
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling synonz-derive v0.7.0
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling chrono v0.4.45
[INFO] [stderr]    Compiling schemars v1.2.2
[INFO] [stderr]    Compiling futures-executor v0.3.34
[INFO] [stderr]    Compiling futures v0.3.34
[INFO] [stderr]    Compiling tokio-util v0.7.19
[INFO] [stderr]    Compiling process-wrap v9.1.0
[INFO] [stderr]    Compiling tokio-stream v0.1.19
[INFO] [stderr]    Compiling synonz v0.7.0
[INFO] [stderr]    Compiling synonz-mcp v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 58.11s
[INFO] running `Command { std: "docker" "inspect" "526b7b3fdb160be504b19b9baaaa3d51b2987869a144893b0b261e99fe257e2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "526b7b3fdb160be504b19b9baaaa3d51b2987869a144893b0b261e99fe257e2a" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v3.0.4
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]    Compiling rmcp v3.1.4
[INFO] [stderr]    Compiling pastey v0.2.3
[INFO] [stderr]    Compiling darling_core v0.24.1
[INFO] [stderr]    Compiling serde_derive_internals v0.30.0
[INFO] [stderr]    Compiling futures-macro v0.3.34
[INFO] [stderr]    Compiling tokio-macros v2.7.2
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling ref-cast-impl v1.0.27
[INFO] [stderr]    Compiling thiserror-impl v2.0.20
[INFO] [stderr]    Compiling schemars_derive v1.2.2
[INFO] [stderr]    Compiling ref-cast v1.0.27
[INFO] [stderr]    Compiling tokio v1.53.1
[INFO] [stderr]    Compiling futures-util v0.3.34
[INFO] [stderr]    Compiling thiserror v2.0.20
[INFO] [stderr]    Compiling darling_macro v0.24.1
[INFO] [stderr]    Compiling darling v0.24.1
[INFO] [stderr]    Compiling rmcp-macros v3.1.4
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling chrono v0.4.45
[INFO] [stderr]    Compiling futures-executor v0.3.34
[INFO] [stderr]    Compiling schemars v1.2.2
[INFO] [stderr]    Compiling futures v0.3.34
[INFO] [stderr]    Compiling tokio-util v0.7.19
[INFO] [stderr]    Compiling process-wrap v9.1.0
[INFO] [stderr]    Compiling tokio-stream v0.1.19
[INFO] [stderr]    Compiling synonz v0.7.0
[INFO] [stderr]    Compiling synonz-mcp v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "526b7b3fdb160be504b19b9baaaa3d51b2987869a144893b0b261e99fe257e2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "526b7b3fdb160be504b19b9baaaa3d51b2987869a144893b0b261e99fe257e2a" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/synonz_mcp-7a9e7ffb221ae8f7)
[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]      Running tests/bridge.rs (/opt/rustwide/target/debug/deps/bridge-fa194be59d448444)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test stdio_helper ... ignored, runs only as the stdio child process of bridge_roundtrips_over_stdio
[INFO] [stdout] test bridge_discovers_and_calls_tools_over_duplex ... ok
[INFO] [stdout] test bridge_roundtrips_over_stdio ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: io error when listing tests: Os { code: 32, kind: BrokenPipe, message: "Broken pipe" }
[INFO] [stderr]    Doc-tests synonz_mcp
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 12) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.85s; merged doctests compilation took 0.83s
[INFO] running `Command { std: "docker" "inspect" "526b7b3fdb160be504b19b9baaaa3d51b2987869a144893b0b261e99fe257e2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "526b7b3fdb160be504b19b9baaaa3d51b2987869a144893b0b261e99fe257e2a", kill_on_drop: false }`
[INFO] [stdout] 526b7b3fdb160be504b19b9baaaa3d51b2987869a144893b0b261e99fe257e2a
