[INFO] cloning repository https://github.com/alpha-hack-program/calculator-mcp-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alpha-hack-program/calculator-mcp-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falpha-hack-program%2Fcalculator-mcp-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falpha-hack-program%2Fcalculator-mcp-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4202be096b10a670b2bf79fa77f22b2118f39973 [INFO] testing alpha-hack-program/calculator-mcp-rs against try#a7ee93192a766fb0dafa23def7154fc03cfcfc3e for pr-146989 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falpha-hack-program%2Fcalculator-mcp-rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/alpha-hack-program/calculator-mcp-rs [INFO] finished tweaking git repo https://github.com/alpha-hack-program/calculator-mcp-rs [INFO] tweaked toml for git repo https://github.com/alpha-hack-program/calculator-mcp-rs written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/alpha-hack-program/calculator-mcp-rs on toolchain a7ee93192a766fb0dafa23def7154fc03cfcfc3e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/alpha-hack-program/calculator-mcp-rs 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" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 04d4143e65acaec26d567c5d9ec1075e085539793834954ec3ee584c525f4ab3 [INFO] running `Command { std: "docker" "start" "-a" "04d4143e65acaec26d567c5d9ec1075e085539793834954ec3ee584c525f4ab3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "04d4143e65acaec26d567c5d9ec1075e085539793834954ec3ee584c525f4ab3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04d4143e65acaec26d567c5d9ec1075e085539793834954ec3ee584c525f4ab3", kill_on_drop: false }` [INFO] [stdout] 04d4143e65acaec26d567c5d9ec1075e085539793834954ec3ee584c525f4ab3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 60cd9d35f891bcdfda9231315c3f99312f3866eb027aa550668f36ccb8f42e71 [INFO] running `Command { std: "docker" "start" "-a" "60cd9d35f891bcdfda9231315c3f99312f3866eb027aa550668f36ccb8f42e71", kill_on_drop: false }` [INFO] [stderr] Compiling http v1.3.1 [INFO] [stderr] Compiling openssl-sys v0.9.109 [INFO] [stderr] Compiling ring v0.17.14 [INFO] [stderr] Compiling hashbrown v0.15.4 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling socket2 v0.5.10 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling sync_wrapper v1.0.2 [INFO] [stderr] Compiling rustls v0.23.29 [INFO] [stderr] Compiling serde_json v1.0.141 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Compiling icu_normalizer v2.0.0 [INFO] [stderr] Compiling strsim v0.11.1 [INFO] [stderr] Compiling iri-string v0.7.8 [INFO] [stderr] Compiling chrono v0.4.41 [INFO] [stderr] Compiling digest v0.10.7 [INFO] [stderr] Compiling serde_derive_internals v0.29.1 [INFO] [stderr] Compiling indexmap v2.10.0 [INFO] [stderr] Compiling rand_core v0.9.3 [INFO] [stderr] Compiling regex-syntax v0.6.29 [INFO] [stderr] Compiling darling_core v0.21.0 [INFO] [stderr] Compiling regex-syntax v0.8.5 [INFO] [stderr] Compiling openssl v0.10.73 [INFO] [stderr] Compiling native-tls v0.2.14 [INFO] [stderr] Compiling tokio v1.46.1 [INFO] [stderr] Compiling idna_adapter v1.2.1 [INFO] [stderr] Compiling http-body v1.0.1 [INFO] [stderr] Compiling http-body-util v0.1.3 [INFO] [stderr] Compiling idna v1.0.3 [INFO] [stderr] Compiling sha2 v0.10.9 [INFO] [stderr] Compiling axum-core v0.5.2 [INFO] [stderr] Compiling schemars_derive v1.0.4 [INFO] [stderr] Compiling url v2.5.4 [INFO] [stderr] Compiling rand_chacha v0.9.0 [INFO] [stderr] Compiling regex-automata v0.4.9 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling rustc-hash v2.1.1 [INFO] [stderr] Compiling anyhow v1.0.98 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling dyn-clone v1.0.19 [INFO] [stderr] Compiling rand v0.9.2 [INFO] [stderr] Compiling uuid v1.17.0 [INFO] [stderr] Compiling matchers v0.1.0 [INFO] [stderr] Compiling schemars v1.0.4 [INFO] [stderr] Compiling basic-toml v0.1.10 [INFO] [stderr] Compiling askama_parser v0.14.0 [INFO] [stderr] Compiling darling_macro v0.21.0 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling sse-stream v0.2.1 [INFO] [stderr] Compiling darling v0.21.0 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling regex v1.11.1 [INFO] [stderr] Compiling tracing-subscriber v0.3.19 [INFO] [stderr] Compiling rmcp-macros v0.3.0 (https://github.com/modelcontextprotocol/rust-sdk?branch=main#ac40e004) [INFO] [stderr] Compiling rustls-webpki v0.103.4 [INFO] [stderr] Compiling tokio-util v0.7.15 [INFO] [stderr] Compiling tower v0.5.2 [INFO] [stderr] Compiling tokio-native-tls v0.3.1 [INFO] [stderr] Compiling tokio-stream v0.1.17 [INFO] [stderr] Compiling h2 v0.4.11 [INFO] [stderr] Compiling tower-http v0.6.6 [INFO] [stderr] Compiling askama_derive v0.14.0 [INFO] [stderr] Compiling askama v0.14.0 [INFO] [stderr] Compiling tokio-rustls v0.26.2 [INFO] [stderr] Compiling hyper v1.6.0 [INFO] [stderr] Compiling hyper-util v0.1.16 [INFO] [stderr] Compiling hyper-tls v0.6.0 [INFO] [stderr] Compiling hyper-rustls v0.27.7 [INFO] [stderr] Compiling axum v0.8.4 [INFO] [stderr] Compiling reqwest v0.12.22 [INFO] [stderr] Compiling oauth2 v5.0.0 [INFO] [stderr] Compiling rmcp v0.3.0 (https://github.com/modelcontextprotocol/rust-sdk?branch=main#ac40e004) [INFO] [stderr] Compiling calculator-mcp-server v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `SumRequest` is never constructed [INFO] [stdout] --> src/common/calculator.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct SumRequest { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SubRequest` is never constructed [INFO] [stdout] --> src/common/calculator.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 18 | pub struct SubRequest { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `FactorialRequest` is never constructed [INFO] [stdout] --> src/common/calculator.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | pub struct FactorialRequest { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Calculator` is never constructed [INFO] [stdout] --> src/common/calculator.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 32 | pub struct Calculator { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SumRequest` is never constructed [INFO] [stdout] --> src/common/calculator.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct SumRequest { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SubRequest` is never constructed [INFO] [stdout] --> src/common/calculator.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 18 | pub struct SubRequest { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `FactorialRequest` is never constructed [INFO] [stdout] --> src/common/calculator.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | pub struct FactorialRequest { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Calculator` is never constructed [INFO] [stdout] --> src/common/calculator.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 32 | pub struct Calculator { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SumRequest` is never constructed [INFO] [stdout] --> src/common/calculator.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct SumRequest { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SubRequest` is never constructed [INFO] [stdout] --> src/common/calculator.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 18 | pub struct SubRequest { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `FactorialRequest` is never constructed [INFO] [stdout] --> src/common/calculator.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | pub struct FactorialRequest { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Calculator` is never constructed [INFO] [stdout] --> src/common/calculator.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 32 | pub struct Calculator { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `calculator-mcp-server` (bin "counter_mcp"); 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/bin/rustc --crate-name counter_mcp --edition=2024 src/counter_mcp.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("schemars"))' -C metadata=bc3c1159966a80ed -C extra-filename=-61617e6d483ca43c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-e1510cbfe26654d3.rlib --extern askama=/opt/rustwide/target/debug/deps/libaskama-c99785000ed81fcd.rlib --extern axum=/opt/rustwide/target/debug/deps/libaxum-a3030aa14a2f648d.rlib --extern chrono=/opt/rustwide/target/debug/deps/libchrono-4dd7dc47a69a3c66.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-463712991e76a6a8.rlib --extern hyper=/opt/rustwide/target/debug/deps/libhyper-b0aaccb075d05219.rlib --extern hyper_util=/opt/rustwide/target/debug/deps/libhyper_util-91e7f8700e64d3e0.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-af50ff0cf9c1f920.rlib --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-3305f2af4faef791.rlib --extern rmcp=/opt/rustwide/target/debug/deps/librmcp-2fb89cc94374fbaa.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-5c4aefbcdcb528b6.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-6fd31a7dfc30035f.rlib --extern serde_urlencoded=/opt/rustwide/target/debug/deps/libserde_urlencoded-d637202bd4b76698.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-845d039d5943136a.rlib --extern tokio_stream=/opt/rustwide/target/debug/deps/libtokio_stream-b6b2a36d767f1193.rlib --extern tokio_util=/opt/rustwide/target/debug/deps/libtokio_util-f335a13f13355ab7.rlib --extern tower_http=/opt/rustwide/target/debug/deps/libtower_http-233727f67d3641b5.rlib --extern tracing=/opt/rustwide/target/debug/deps/libtracing-dbcbdf03f939db58.rlib --extern tracing_subscriber=/opt/rustwide/target/debug/deps/libtracing_subscriber-981a971d6ec80ca6.rlib --extern uuid=/opt/rustwide/target/debug/deps/libuuid-4a4b5fdbcda963df.rlib --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/ring-0fff4c8a39a59155/out` (signal: 9, SIGKILL: kill) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "60cd9d35f891bcdfda9231315c3f99312f3866eb027aa550668f36ccb8f42e71", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "60cd9d35f891bcdfda9231315c3f99312f3866eb027aa550668f36ccb8f42e71", kill_on_drop: false }` [INFO] [stdout] 60cd9d35f891bcdfda9231315c3f99312f3866eb027aa550668f36ccb8f42e71