[INFO] cloning repository https://github.com/alpha-hack-program/sudoku-engine-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/sudoku-engine-mcp-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falpha-hack-program%2Fsudoku-engine-mcp-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falpha-hack-program%2Fsudoku-engine-mcp-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c5c576fa3195b06a3d96f866a633d32e65f78aba [INFO] testing alpha-hack-program/sudoku-engine-mcp-rs against 1.97.0-beta.6 for beta-1.98-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falpha-hack-program%2Fsudoku-engine-mcp-rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/alpha-hack-program/sudoku-engine-mcp-rs [INFO] finished tweaking git repo https://github.com/alpha-hack-program/sudoku-engine-mcp-rs [INFO] tweaked toml for git repo https://github.com/alpha-hack-program/sudoku-engine-mcp-rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/alpha-hack-program/sudoku-engine-mcp-rs on toolchain 1.97.0-beta.6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/alpha-hack-program/sudoku-engine-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" "+1.97.0-beta.6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rmcp-macros v0.5.0 [INFO] [stderr] Downloaded sse-stream v0.2.1 [INFO] [stderr] Downloaded darling v0.21.0 [INFO] [stderr] Downloaded sudokugen v0.4.0 [INFO] [stderr] Downloaded darling_macro v0.21.0 [INFO] [stderr] Downloaded quinn-udp v0.5.13 [INFO] [stderr] Downloaded darling_core v0.21.0 [INFO] [stderr] Downloaded rmcp v0.5.0 [INFO] [stderr] Downloaded oauth2 v5.0.0 [INFO] [stderr] Downloaded webpki-roots v1.0.2 [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@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] 8055573c41457ba9c99ffd1ab891e7d4901ea6993cbaa4cdc6de326312a0bae8 [INFO] running `Command { std: "docker" "start" "8055573c41457ba9c99ffd1ab891e7d4901ea6993cbaa4cdc6de326312a0bae8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8055573c41457ba9c99ffd1ab891e7d4901ea6993cbaa4cdc6de326312a0bae8", 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" "8055573c41457ba9c99ffd1ab891e7d4901ea6993cbaa4cdc6de326312a0bae8" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8055573c41457ba9c99ffd1ab891e7d4901ea6993cbaa4cdc6de326312a0bae8", 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" "8055573c41457ba9c99ffd1ab891e7d4901ea6993cbaa4cdc6de326312a0bae8" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling libc v0.2.174 [INFO] [stderr] Compiling cfg-if v1.0.1 [INFO] [stderr] Compiling cc v1.2.30 [INFO] [stderr] Compiling log v0.4.27 [INFO] [stderr] Compiling tracing-core v0.1.34 [INFO] [stderr] Compiling slab v0.4.10 [INFO] [stderr] Compiling http v1.3.1 [INFO] [stderr] Compiling futures-io v0.3.31 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling hashbrown v0.15.4 [INFO] [stderr] Compiling zerocopy v0.8.26 [INFO] [stderr] Compiling rustls-pki-types v1.12.0 [INFO] [stderr] Compiling bitflags v2.9.1 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling http-body v1.0.1 [INFO] [stderr] Compiling indexmap v2.10.0 [INFO] [stderr] Compiling signal-hook-registry v1.4.5 [INFO] [stderr] Compiling mio v1.0.4 [INFO] [stderr] Compiling socket2 v0.5.10 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Compiling getrandom v0.2.16 [INFO] [stderr] Compiling openssl v0.10.73 [INFO] [stderr] Compiling http-body-util v0.1.3 [INFO] [stderr] Compiling openssl-sys v0.9.109 [INFO] [stderr] Compiling ring v0.17.14 [INFO] [stderr] Compiling icu_normalizer_data v2.0.0 [INFO] [stderr] Compiling icu_properties_data v2.0.1 [INFO] [stderr] Compiling sync_wrapper v1.0.2 [INFO] [stderr] Compiling native-tls v0.2.14 [INFO] [stderr] Compiling rustls v0.23.29 [INFO] [stderr] Compiling ipnet v2.11.0 [INFO] [stderr] Compiling serde_json v1.0.141 [INFO] [stderr] Compiling openssl-probe v0.1.6 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rustversion v1.0.21 [INFO] [stderr] Compiling webpki-roots v1.0.2 [INFO] [stderr] Compiling ppv-lite86 v0.2.21 [INFO] [stderr] Compiling ref-cast v1.0.24 [INFO] [stderr] Compiling iana-time-zone v0.1.63 [INFO] [stderr] Compiling iri-string v0.7.8 [INFO] [stderr] Compiling rand_core v0.9.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling encoding_rs v0.8.35 [INFO] [stderr] Compiling protobuf v2.28.0 [INFO] [stderr] Compiling thiserror v2.0.12 [INFO] [stderr] Compiling regex-syntax v0.8.5 [INFO] [stderr] Compiling winnow v0.7.12 [INFO] [stderr] Compiling sha2 v0.10.9 [INFO] [stderr] Compiling rand_chacha v0.9.0 [INFO] [stderr] Compiling parking_lot_core v0.9.11 [INFO] [stderr] Compiling rustc-hash v2.1.1 [INFO] [stderr] Compiling basic-toml v0.1.10 [INFO] [stderr] Compiling prometheus v0.13.4 [INFO] [stderr] Compiling dyn-clone v1.0.19 [INFO] [stderr] Compiling anyhow v1.0.98 [INFO] [stderr] Compiling parking_lot v0.12.4 [INFO] [stderr] Compiling regex-automata v0.4.9 [INFO] [stderr] Compiling rand v0.9.2 [INFO] [stderr] Compiling tracing-log v0.2.0 [INFO] [stderr] Compiling synstructure v0.13.2 [INFO] [stderr] Compiling rustls-webpki v0.103.4 [INFO] [stderr] Compiling darling_core v0.21.0 [INFO] [stderr] Compiling serde_derive_internals v0.29.1 [INFO] [stderr] Compiling regex v1.11.1 [INFO] [stderr] Compiling thread_local v1.1.9 [INFO] [stderr] Compiling sudokugen v0.4.0 [INFO] [stderr] Compiling zerofrom-derive v0.1.6 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling yoke-derive v0.8.0 [INFO] [stderr] Compiling tokio v1.46.1 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling zerovec-derive v0.11.1 [INFO] [stderr] Compiling zerofrom v0.1.6 [INFO] [stderr] Compiling yoke v0.8.0 [INFO] [stderr] Compiling tracing-attributes v0.1.30 [INFO] [stderr] Compiling displaydoc v0.2.5 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling zerovec v0.11.2 [INFO] [stderr] Compiling zerotrie v0.2.2 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling tracing v0.1.41 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling tinystr v0.8.1 [INFO] [stderr] Compiling icu_locale_core v2.0.0 [INFO] [stderr] Compiling potential_utf v0.1.2 [INFO] [stderr] Compiling icu_collections v2.0.0 [INFO] [stderr] Compiling icu_provider v2.0.0 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling icu_normalizer v2.0.0 [INFO] [stderr] Compiling icu_properties v2.0.1 [INFO] [stderr] Compiling darling_macro v0.21.0 [INFO] [stderr] Compiling ref-cast-impl v1.0.24 [INFO] [stderr] Compiling tokio-util v0.7.15 [INFO] [stderr] Compiling tower v0.5.2 [INFO] [stderr] Compiling tokio-rustls v0.26.2 [INFO] [stderr] Compiling h2 v0.4.11 [INFO] [stderr] Compiling idna_adapter v1.2.1 [INFO] [stderr] Compiling idna v1.0.3 [INFO] [stderr] Compiling tokio-native-tls v0.3.1 [INFO] [stderr] Compiling tower-http v0.6.6 [INFO] [stderr] Compiling darling v0.21.0 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling askama_parser v0.14.0 [INFO] [stderr] Compiling axum-core v0.5.2 [INFO] [stderr] Compiling serde_urlencoded v0.7.1 [INFO] [stderr] Compiling serde_path_to_error v0.1.17 [INFO] [stderr] Compiling chrono v0.4.41 [INFO] [stderr] Compiling url v2.5.4 [INFO] [stderr] Compiling schemars_derive v1.0.4 [INFO] [stderr] Compiling axum-macros v0.5.0 [INFO] [stderr] Compiling thiserror-impl v2.0.12 [INFO] [stderr] Compiling uuid v1.17.0 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling rmcp-macros v0.5.0 [INFO] [stderr] Compiling tokio-stream v0.1.17 [INFO] [stderr] Compiling sse-stream v0.2.1 [INFO] [stderr] Compiling schemars v1.0.4 [INFO] [stderr] Compiling tracing-subscriber v0.3.19 [INFO] [stderr] Compiling askama_derive v0.14.0 [INFO] [stderr] Compiling hyper v1.6.0 [INFO] [stderr] Compiling askama v0.14.0 [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 v0.5.0 [INFO] [stderr] Compiling sudoku-engine-mcp-server v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 29s [INFO] running `Command { std: "docker" "inspect" "8055573c41457ba9c99ffd1ab891e7d4901ea6993cbaa4cdc6de326312a0bae8", 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" "8055573c41457ba9c99ffd1ab891e7d4901ea6993cbaa4cdc6de326312a0bae8" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] Compiling sudoku-engine-mcp-server v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 6.22s [INFO] running `Command { std: "docker" "inspect" "8055573c41457ba9c99ffd1ab891e7d4901ea6993cbaa4cdc6de326312a0bae8", 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" "8055573c41457ba9c99ffd1ab891e7d4901ea6993cbaa4cdc6de326312a0bae8" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sudoku_engine_mcp_server-7f2620af231151bb) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test common::sudoku_engine::tests::test_board_to_string ... ok [INFO] [stdout] test common::sudoku_engine::tests::test_solve_sudoku ... ok [INFO] [stdout] test common::sudoku_engine::tests::test_generate_sudoku ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s [INFO] [stdout] [INFO] [stderr] Running unittests src/mcp_server.rs (/opt/rustwide/target/debug/deps/mcp_server-46a50ec3685dce13) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test common::sudoku_engine::tests::test_board_to_string ... ok [INFO] [stdout] test common::sudoku_engine::tests::test_generate_sudoku ... ok [INFO] [stdout] test common::sudoku_engine::tests::test_solve_sudoku ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s [INFO] [stdout] [INFO] [stderr] Running unittests src/sse_server.rs (/opt/rustwide/target/debug/deps/sse_server-9a913013dd8b294f) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test common::sudoku_engine::tests::test_board_to_string ... ok [INFO] [stderr] Running unittests src/stdio_server.rs (/opt/rustwide/target/debug/deps/stdio_server-80962e159be2d09e) [INFO] [stdout] test common::sudoku_engine::tests::test_generate_sudoku ... ok [INFO] [stdout] test common::sudoku_engine::tests::test_solve_sudoku ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test common::sudoku_engine::tests::test_board_to_string ... ok [INFO] [stdout] test common::sudoku_engine::tests::test_solve_sudoku ... ok [INFO] [stdout] test common::sudoku_engine::tests::test_generate_sudoku ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.32s [INFO] [stdout] [INFO] [stderr] Doc-tests sudoku_engine_mcp_server [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" "8055573c41457ba9c99ffd1ab891e7d4901ea6993cbaa4cdc6de326312a0bae8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8055573c41457ba9c99ffd1ab891e7d4901ea6993cbaa4cdc6de326312a0bae8", kill_on_drop: false }` [INFO] [stdout] 8055573c41457ba9c99ffd1ab891e7d4901ea6993cbaa4cdc6de326312a0bae8