[INFO] fetching crate rust-mcp-server 0.2.5...
[INFO] testing rust-mcp-server-0.2.5 against 1.90.0 for beta-1.91-3
[INFO] extracting crate rust-mcp-server 0.2.5 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate rust-mcp-server 0.2.5
[INFO] finished tweaking crates.io crate rust-mcp-server 0.2.5
[INFO] tweaked toml for crates.io crate rust-mcp-server 0.2.5 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-mcp-server 0.2.5 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rust-mcp-server 0.2.5 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded phf v0.13.1
[INFO] [stderr]   Downloaded phf_shared v0.13.1
[INFO] [stderr]   Downloaded tracing-appender v0.2.3
[INFO] [stderr]   Downloaded rust-mcp-sdk v0.6.3
[INFO] [stderr]   Downloaded rust-mcp-macros v0.5.1
[INFO] [stderr]   Downloaded phf_generator v0.13.1
[INFO] [stderr]   Downloaded phf_macros v0.13.1
[INFO] [stderr]   Downloaded cc v1.2.36
[INFO] [stderr]   Downloaded rust-mcp-transport v0.5.1
[INFO] [stderr]   Downloaded wasi v0.14.4+wasi-0.2.4
[INFO] [stderr]   Downloaded rust-mcp-schema v0.7.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 249fc59dd9646c8e8bec20063580d3f3f837295da192a0a6f6f3df37245999f3
[INFO] running `Command { std: "docker" "start" "-a" "249fc59dd9646c8e8bec20063580d3f3f837295da192a0a6f6f3df37245999f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "249fc59dd9646c8e8bec20063580d3f3f837295da192a0a6f6f3df37245999f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "249fc59dd9646c8e8bec20063580d3f3f837295da192a0a6f6f3df37245999f3", kill_on_drop: false }`
[INFO] [stdout] 249fc59dd9646c8e8bec20063580d3f3f837295da192a0a6f6f3df37245999f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b70ea6811a696e6890098ad513ac5e111a49234368bfebcebf41791c6dd636a6
[INFO] running `Command { std: "docker" "start" "-a" "b70ea6811a696e6890098ad513ac5e111a49234368bfebcebf41791c6dd636a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling find-msvc-tools v0.1.1
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling http v1.3.1
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling phf_shared v0.13.1
[INFO] [stderr]    Compiling cc v1.2.36
[INFO] [stderr]    Compiling ref-cast v1.0.24
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling tower-layer v0.3.3
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling ipnet v2.11.0
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling phf_generator v0.13.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling deranged v0.5.3
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling indexmap v2.11.0
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]    Compiling nu-ansi-term v0.50.1
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling iri-string v0.7.8
[INFO] [stderr]    Compiling time-core v0.1.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling clap_builder v4.5.47
[INFO] [stderr]    Compiling rustls-pki-types v1.12.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling rust-mcp-server v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]    Compiling dyn-clone v1.0.20
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling time v0.3.43
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stderr]    Compiling ref-cast-impl v1.0.24
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling clap_derive v4.5.47
[INFO] [stderr]    Compiling phf_macros v0.13.1
[INFO] [stderr]    Compiling schemars_derive v1.0.4
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling phf v0.13.1
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling yoke v0.8.0
[INFO] [stderr]    Compiling zerotrie v0.2.2
[INFO] [stderr]    Compiling zerovec v0.11.4
[INFO] [stderr]    Compiling tracing-subscriber v0.3.20
[INFO] [stderr]    Compiling clap v4.5.47
[INFO] [stderr]    Compiling tinystr v0.8.1
[INFO] [stderr]    Compiling potential_utf v0.1.3
[INFO] [stderr]    Compiling icu_collections v2.0.0
[INFO] [stderr]    Compiling icu_locale_core v2.0.0
[INFO] [stderr]    Compiling tracing-appender v0.2.3
[INFO] [stderr]    Compiling icu_provider v2.0.0
[INFO] [stderr]    Compiling icu_normalizer v2.0.0
[INFO] [stderr]    Compiling icu_properties v2.0.1
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling tokio-util v0.7.16
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stderr]    Compiling tower-http v0.6.6
[INFO] [stderr]    Compiling rust-mcp-schema v0.7.3
[INFO] [stderr]    Compiling schemars v1.0.4
[INFO] [stderr]    Compiling h2 v0.4.12
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling url v2.5.7
[INFO] [stderr]    Compiling rust-mcp-macros v0.5.1
[INFO] [stderr]    Compiling hyper v1.7.0
[INFO] [stderr]    Compiling hyper-util v0.1.16
[INFO] [stderr]    Compiling rust-mcp-transport v0.5.1
[INFO] [stderr]    Compiling rust-mcp-sdk v0.6.3
[INFO] [stderr]    Compiling hyper-tls v0.6.0
[INFO] [stderr]    Compiling reqwest v0.12.23
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `Command { std: "docker" "inspect" "b70ea6811a696e6890098ad513ac5e111a49234368bfebcebf41791c6dd636a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b70ea6811a696e6890098ad513ac5e111a49234368bfebcebf41791c6dd636a6", kill_on_drop: false }`
[INFO] [stdout] b70ea6811a696e6890098ad513ac5e111a49234368bfebcebf41791c6dd636a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15502e9d28d44c4b2d56b695a7fe07907bb90b223d1441e11abde5e976e6ad3b
[INFO] running `Command { std: "docker" "start" "-a" "15502e9d28d44c4b2d56b695a7fe07907bb90b223d1441e11abde5e976e6ad3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-mcp-server v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.59s
[INFO] running `Command { std: "docker" "inspect" "15502e9d28d44c4b2d56b695a7fe07907bb90b223d1441e11abde5e976e6ad3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15502e9d28d44c4b2d56b695a7fe07907bb90b223d1441e11abde5e976e6ad3b", kill_on_drop: false }`
[INFO] [stdout] 15502e9d28d44c4b2d56b695a7fe07907bb90b223d1441e11abde5e976e6ad3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7ff041a42ccc5d1b6f11e2dd61581489b1711948dd06a21090785999cf5ccdd5
[INFO] running `Command { std: "docker" "start" "-a" "7ff041a42ccc5d1b6f11e2dd61581489b1711948dd06a21090785999cf5ccdd5", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_mcp_server-2d88a6f042a73adf)
[INFO] [stdout] running 40 tests
[INFO] [stdout] test serde_utils::tests::test_deserialize_string_null_value ... ok
[INFO] [stdout] test serde_utils::tests::test_deserialize_string_null_string ... ok
[INFO] [stdout] test serde_utils::tests::test_deserialize_string_vec_empty_array ... ok
[INFO] [stdout] test serde_utils::tests::test_deserialize_string_some ... ok
[INFO] [stdout] test serde_utils::tests::test_deserialize_string_vec_some ... ok
[INFO] [stdout] test serde_utils::tests::test_deserialize_string_vec_null_value ... ok
[INFO] [stdout] test serde_utils::tests::test_package_with_version_deserialize_null_version ... ok
[INFO] [stdout] test serde_utils::tests::test_package_with_version_deserialize_version_null_string ... ok
[INFO] [stdout] test serde_utils::tests::test_package_with_version_deserialize_package_with_version ... ok
[INFO] [stdout] test serde_utils::tests::test_deserialize_string_vec_invalid_element ... ok
[INFO] [stdout] test serde_utils::tests::test_locking_mode_cli_flags ... ok
[INFO] [stdout] test serde_utils::tests::test_package_with_version_to_spec ... ok
[INFO] [stdout] test serde_utils::tests::test_tool_json_schema_handles_multiple_properties ... ok
[INFO] [stdout] test serde_utils::tests::test_tool_json_schema_leaves_non_null_type_untouched ... ok
[INFO] [stdout] test tools::cargo::add_remove::tests::test_dependency_type_helper ... ok
[INFO] [stdout] test serde_utils::tests::test_tool_json_schema_ignores_non_array_type ... ok
[INFO] [stdout] test serde_utils::tests::test_tool_json_schema_removes_null_type_first ... ok
[INFO] [stdout] test tools::cargo::add_remove::tests::test_dependency_type_serde ... ok
[INFO] [stdout] test tools::cargo::clippy::tests::test_deserialize_with_missing_package_field ... ok
[INFO] [stdout] test serde_utils::tests::test_tool_json_schema_removes_null_type_second ... ok
[INFO] [stdout] test tools::cargo::metadata::tests::test_deserialize_with_features_array ... ok
[INFO] [stdout] test serde_utils::tests::test_package_with_version_new ... ok
[INFO] [stdout] test serde_utils::tests::test_deserialize_string_vec_null_string ... ok
[INFO] [stdout] test tools::cargo::add_remove::tests::test_cargo_add_schema ... ok
[INFO] [stdout] test serde_utils::tests::test_package_with_version_with_version ... ok
[INFO] [stdout] test serde_utils::tests::test_package_with_version_deserialize_package_only ... ok
[INFO] [stdout] test tools::cargo::clippy::tests::test_deserialize_with_package_field ... ok
[INFO] [stdout] test tools::cargo::info::tests::test_cargo_info_schema ... ok
[INFO] [stdout] test tools::cargo::test::tests::test_deserialize_with_features_array ... ok
[INFO] [stdout] test tools::cargo::test::tests::test_deserialize_with_features_string_array ... ok
[INFO] [stdout] test tools::cargo::test::tests::test_deserialize_with_missing_package_field ... ok
[INFO] [stdout] test tools::cargo::metadata::tests::test_deserialize_with_features_string_array ... ok
[INFO] [stdout] test tools::cargo::test::tests::test_deserialize_with_package_field_array ... ok
[INFO] [stdout] test tools::cargo::metadata::tests::test_deserialize_with_single_feature_string ... ok
[INFO] [stdout] test tools::cargo::test::tests::test_deserialize_with_single_feature_string ... ok
[INFO] [stdout] test tools::cargo::test::tests::test_deserialize_with_single_package_array ... ok
[INFO] [stdout] test tools::cargo::test::tests::test_deserialize_with_single_package ... ok
[INFO] [stdout] test serde_utils::tests::test_output_verbosity_cli_flags ... ok
[INFO] [stdout] test tools::tests::test_execute_command_with_nonexistent_tool ... ok
[INFO] [stdout] test serde_utils::tests::test_output_verbosity_to_cli_flags ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 40 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7ff041a42ccc5d1b6f11e2dd61581489b1711948dd06a21090785999cf5ccdd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ff041a42ccc5d1b6f11e2dd61581489b1711948dd06a21090785999cf5ccdd5", kill_on_drop: false }`
[INFO] [stdout] 7ff041a42ccc5d1b6f11e2dd61581489b1711948dd06a21090785999cf5ccdd5