[INFO] fetching crate rust-mcp-server 0.3.7...
[INFO] testing rust-mcp-server-0.3.7 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate rust-mcp-server 0.3.7 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rust-mcp-server 0.3.7
[INFO] finished tweaking crates.io crate rust-mcp-server 0.3.7
[INFO] tweaked toml for crates.io crate rust-mcp-server 0.3.7 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-mcp-server 0.3.7 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rust-mcp-server 0.3.7 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d664856e3bf7ddf9a9429ddb6e4cde2b94113e363234ca49d43d435c5dba956f
[INFO] running `Command { std: "docker" "start" "-a" "d664856e3bf7ddf9a9429ddb6e4cde2b94113e363234ca49d43d435c5dba956f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d664856e3bf7ddf9a9429ddb6e4cde2b94113e363234ca49d43d435c5dba956f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d664856e3bf7ddf9a9429ddb6e4cde2b94113e363234ca49d43d435c5dba956f", kill_on_drop: false }`
[INFO] [stdout] d664856e3bf7ddf9a9429ddb6e4cde2b94113e363234ca49d43d435c5dba956f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c1be4fe0e577f3ce7ea79dd90d06cd4147eb5bcb5146510f9f20dda7d7fd032
[INFO] running `Command { std: "docker" "start" "-a" "4c1be4fe0e577f3ce7ea79dd90d06cd4147eb5bcb5146510f9f20dda7d7fd032", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling futures-io v0.3.32
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling clap_lex v1.1.0
[INFO] [stderr]    Compiling num-conv v0.2.1
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling anstyle v1.0.14
[INFO] [stderr]    Compiling rmcp v1.3.0
[INFO] [stderr]    Compiling pastey v0.2.1
[INFO] [stderr]    Compiling rust-mcp-server v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling clap_builder v4.6.0
[INFO] [stderr]    Compiling time v0.3.47
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling ref-cast-impl v1.0.25
[INFO] [stderr]    Compiling clap_derive v4.6.0
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling schemars_derive v1.2.1
[INFO] [stderr]    Compiling tokio v1.51.0
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling clap v4.6.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.23
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling tracing-appender v0.2.4
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling futures v0.3.32
[INFO] [stderr]    Compiling chrono v0.4.44
[INFO] [stderr]    Compiling tokio-util v0.7.18
[INFO] [stderr]    Compiling schemars v1.2.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 48.95s
[INFO] running `Command { std: "docker" "inspect" "4c1be4fe0e577f3ce7ea79dd90d06cd4147eb5bcb5146510f9f20dda7d7fd032", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c1be4fe0e577f3ce7ea79dd90d06cd4147eb5bcb5146510f9f20dda7d7fd032", kill_on_drop: false }`
[INFO] [stdout] 4c1be4fe0e577f3ce7ea79dd90d06cd4147eb5bcb5146510f9f20dda7d7fd032
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6658a42842a9baa39d3a0a1b096e6c5694f2ffa68966218e793e1b5cc07009ff
[INFO] running `Command { std: "docker" "start" "-a" "6658a42842a9baa39d3a0a1b096e6c5694f2ffa68966218e793e1b5cc07009ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.184
[INFO] [stderr]    Compiling similar v2.7.0
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling console v0.16.3
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling insta v1.47.2
[INFO] [stderr]    Compiling rust-mcp-server v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 13.21s
[INFO] running `Command { std: "docker" "inspect" "6658a42842a9baa39d3a0a1b096e6c5694f2ffa68966218e793e1b5cc07009ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6658a42842a9baa39d3a0a1b096e6c5694f2ffa68966218e793e1b5cc07009ff", kill_on_drop: false }`
[INFO] [stdout] 6658a42842a9baa39d3a0a1b096e6c5694f2ffa68966218e793e1b5cc07009ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dd72142c98e4916d88f90b19121e9a5dfa58a07067a3843797e84c2c9e152785
[INFO] running `Command { std: "docker" "start" "-a" "dd72142c98e4916d88f90b19121e9a5dfa58a07067a3843797e84c2c9e152785", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_mcp_server-cca8df021dce6947)
[INFO] [stdout] 
[INFO] [stdout] running 62 tests
[INFO] [stdout] test response::tests::only_output ... ok
[INFO] [stdout] test response::tests::ignore_recommendations ... ok
[INFO] [stdout] test serde_utils::tests::test_deserialize_string_empty_string ... ok
[INFO] [stdout] test serde_utils::tests::test_deserialize_string_null_string ... ok
[INFO] [stdout] test serde_utils::tests::test_deserialize_string_some ... ok
[INFO] [stdout] test response::tests::with_additional_content_and_recommendations ... ok
[INFO] [stdout] test serde_utils::tests::test_deserialize_string_vec_invalid_element ... ok
[INFO] [stdout] test serde_utils::tests::test_deserialize_string_vec_null_value ... ok
[INFO] [stdout] test serde_utils::tests::test_locking_mode_cli_flags ... ok
[INFO] [stdout] test serde_utils::tests::test_deserialize_string_vec_empty_array ... ok
[INFO] [stdout] test serde_utils::tests::test_output_verbosity_to_cli_flags ... 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_package_with_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_new ... ok
[INFO] [stdout] test serde_utils::tests::test_package_with_version_to_spec ... ok
[INFO] [stdout] test serde_utils::tests::test_package_with_version_with_version ... ok
[INFO] [stdout] test tool::tests::test_tool_json_schema_ignores_non_array_type ... ok
[INFO] [stdout] test tools::cargo::add_remove::tests::test_dependency_type_serde ... ok
[INFO] [stdout] test tool::tests::test_tool_json_schema_removes_null_type_second ... ok
[INFO] [stdout] test tool::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 tools::cargo::add_remove::tests::test_cargo_add_schema ... ok
[INFO] [stdout] test serde_utils::tests::test_deserialize_string_vec_empty_string ... ok
[INFO] [stdout] test tools::cargo::info::tests::test_cargo_info_schema ... ok
[INFO] [stdout] test tools::cargo::clippy::tests::test_deserialize_with_package_field ... ok
[INFO] [stdout] test tools::cargo::clippy::tests::test_deserialize_with_missing_package_field ... ok
[INFO] [stdout] test tools::cargo::test::tests::test_deserialize_with_features_array ... ok
[INFO] [stdout] test tools::cargo::metadata::tests::test_deserialize_with_features_array ... ok
[INFO] [stdout] test tools::cargo::test::tests::test_deserialize_with_package_field_array ... ok
[INFO] [stdout] test tools::cargo::test::tests::test_deserialize_with_single_feature_string ... 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_single_package ... ok
[INFO] [stdout] test tools::cargo::test::tests::test_deserialize_with_single_package_array ... ok
[INFO] [stdout] test tools::cargo::tree::tests::test_minimal_request ... 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_features_string_array ... ok
[INFO] [stdout] test tools::cargo::tree::tests::test_with_format ... ok
[INFO] [stdout] test tools::cargo::tree::tests::test_with_depth ... ok
[INFO] [stdout] test tools::cargo::tree::tests::test_with_features ... ok
[INFO] [stdout] test serde_utils::tests::test_output_verbosity_cli_flags ... ok
[INFO] [stdout] test tools::cargo::tree::tests::test_with_edges ... ok
[INFO] [stdout] test tools::cargo::tree::tests::test_with_package ... ok
[INFO] [stdout] test tools::cargo_insta::tests::test_update_snapshots_force_flag ... ok
[INFO] [stdout] test workspace::tests::test_localhost_authority ... ok
[INFO] [stdout] test tools::cargo::tree::tests::test_with_toolchain ... ok
[INFO] [stdout] test serde_utils::tests::test_deserialize_string_vec_null_string ... ok
[INFO] [stdout] test serde_utils::tests::test_package_with_version_deserialize_package_only ... ok
[INFO] [stdout] test tools::cargo::test::tests::test_deserialize_with_missing_package_field ... ok
[INFO] [stdout] test tools::cargo::tree::tests::test_with_duplicates ... ok
[INFO] [stdout] test workspace::tests::test_unix_path ... ok
[INFO] [stdout] test workspace::tests::test_non_file_uri_returns_none ... ok
[INFO] [stdout] test serde_utils::tests::test_deserialize_string_vec_some ... ok
[INFO] [stdout] test serde_utils::tests::test_deserialize_string_null_value ... ok
[INFO] [stdout] test tools::cargo::tree::tests::test_with_invert ... ok
[INFO] [stdout] test workspace::tests::test_path_with_spaces ... ok
[INFO] [stdout] test tool::tests::test_tool_json_schema_removes_null_type_first ... ok
[INFO] [stdout] test tools::cargo_insta::tests::test_update_snapshots_with_manifest_path ... ok
[INFO] [stdout] test tool::tests::test_tool_json_schema_handles_multiple_properties ... ok
[INFO] [stdout] test tools::cargo_insta::tests::test_update_snapshots_features_and_targets ... ok
[INFO] [stdout] test tools::cargo_insta::tests::test_update_snapshots_default_args ... ok
[INFO] [stdout] test tools::cargo_insta::tests::test_update_snapshots_all_features ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 62 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dd72142c98e4916d88f90b19121e9a5dfa58a07067a3843797e84c2c9e152785", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd72142c98e4916d88f90b19121e9a5dfa58a07067a3843797e84c2c9e152785", kill_on_drop: false }`
[INFO] [stdout] dd72142c98e4916d88f90b19121e9a5dfa58a07067a3843797e84c2c9e152785