[INFO] fetching crate mcp-stdio-proxy 0.1.27...
[INFO] checking mcp-stdio-proxy-0.1.27 against try#22cc29ba5b459fb386c0406b9baf3a49eb0fba39 for pr-146095-1
[INFO] extracting crate mcp-stdio-proxy 0.1.27 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate mcp-stdio-proxy 0.1.27
[INFO] finished tweaking crates.io crate mcp-stdio-proxy 0.1.27
[INFO] tweaked toml for crates.io crate mcp-stdio-proxy 0.1.27 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mcp-stdio-proxy 0.1.27 on toolchain 22cc29ba5b459fb386c0406b9baf3a49eb0fba39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mcp-stdio-proxy 0.1.27 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" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7fb26762094054b10ed3defed2fbf9777bae318065203408f47897da3f60a077
[INFO] running `Command { std: "docker" "start" "-a" "7fb26762094054b10ed3defed2fbf9777bae318065203408f47897da3f60a077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fb26762094054b10ed3defed2fbf9777bae318065203408f47897da3f60a077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fb26762094054b10ed3defed2fbf9777bae318065203408f47897da3f60a077", kill_on_drop: false }`
[INFO] [stdout] 7fb26762094054b10ed3defed2fbf9777bae318065203408f47897da3f60a077
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdd2d64872a0933c0c0900ca3bb05aa17476fd963ce89037374b4d4c19f7de65
[INFO] running `Command { std: "docker" "start" "-a" "fdd2d64872a0933c0c0900ca3bb05aa17476fd963ce89037374b4d4c19f7de65", kill_on_drop: false }`
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[INFO] [stderr]     Checking criterion v0.6.0
[INFO] [stderr]     Checking mcp-streamable-proxy v0.1.14
[INFO] [stderr]     Checking mcp-sse-proxy v0.1.14
[INFO] [stderr]     Checking mcp-stdio-proxy v0.1.27 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/client/core/convert.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ProxyHandler`
[INFO] [stdout]   --> src/client/core/convert.rs:10:37
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::proxy::{McpClientConfig, ProxyHandler, ToolFilter};
[INFO] [stdout]    |                                     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `build_mcp_config`
[INFO] [stdout]   --> src/client/core/mod.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub use convert::{build_mcp_config, run_url_mode_with_retry};
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/client/support/args.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/client/support/config_tests.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> src/client/support/config_tests.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::path::PathBuf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parse_key_val`
[INFO] [stdout]   --> src/client/support/mod.rs:15:77
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub use args::{CheckArgs, ConvertArgs, DetectArgs, HealthArgs, LoggingArgs, parse_key_val};
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `generate_session_id`
[INFO] [stdout]   --> src/client/support/mod.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub use logging::{generate_session_id, init_logging, init_logging_with_config};
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `McpJsonServerParameters`
[INFO] [stdout]  --> src/model/mcp_config.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 |     mcp_router_model::{McpJsonServerParameters, McpServerConfig},
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `McpServerUrlConfig` and `SseServerSettings`
[INFO] [stdout]   --> src/model/mod.rs:18:22
[INFO] [stdout]    |
[INFO] [stdout] 18 |     McpServerConfig, McpServerUrlConfig, SseServerSettings,
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SseServerBuilderConfig`
[INFO] [stdout]   --> src/proxy/mod.rs:24:58
[INFO] [stdout]    |
[INFO] [stdout] 24 |     BackendConfig as SseBackendConfig, SseServerBuilder, SseServerBuilderConfig,
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `StreamServerConfig`
[INFO] [stdout]   --> src/proxy/mod.rs:27:64
[INFO] [stdout]    |
[INFO] [stdout] 27 |     BackendConfig as StreamBackendConfig, StreamServerBuilder, StreamServerConfig,
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `info`
[INFO] [stdout]  --> src/server/handlers/mcp_check_status_handler.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log::{error, info};
[INFO] [stdout]   |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `McpServerConfig` and `detect_mcp_protocol`
[INFO] [stdout]   --> src/server/handlers/mcp_check_status_handler.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         McpServerConfig, McpServiceStatus, McpType,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 14 |     },
[INFO] [stdout] 15 |     server::{detect_mcp_protocol, mcp_start_task},
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/client/core/convert.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ProxyHandler`
[INFO] [stdout]   --> src/client/core/convert.rs:10:37
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::proxy::{McpClientConfig, ProxyHandler, ToolFilter};
[INFO] [stdout]    |                                     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `build_mcp_config`
[INFO] [stdout]   --> src/client/core/mod.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub use convert::{build_mcp_config, run_url_mode_with_retry};
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/client/support/args.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parse_key_val`
[INFO] [stdout]   --> src/client/support/mod.rs:15:77
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub use args::{CheckArgs, ConvertArgs, DetectArgs, HealthArgs, LoggingArgs, parse_key_val};
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `generate_session_id`
[INFO] [stdout]   --> src/client/support/mod.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub use logging::{generate_session_id, init_logging, init_logging_with_config};
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `McpJsonServerParameters`
[INFO] [stdout]  --> src/model/mcp_config.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 |     mcp_router_model::{McpJsonServerParameters, McpServerConfig},
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `McpServerUrlConfig` and `SseServerSettings`
[INFO] [stdout]   --> src/model/mod.rs:18:22
[INFO] [stdout]    |
[INFO] [stdout] 18 |     McpServerConfig, McpServerUrlConfig, SseServerSettings,
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SseServerBuilderConfig`
[INFO] [stdout]   --> src/proxy/mod.rs:24:58
[INFO] [stdout]    |
[INFO] [stdout] 24 |     BackendConfig as SseBackendConfig, SseServerBuilder, SseServerBuilderConfig,
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `StreamServerConfig`
[INFO] [stdout]   --> src/proxy/mod.rs:27:64
[INFO] [stdout]    |
[INFO] [stdout] 27 |     BackendConfig as StreamBackendConfig, StreamServerBuilder, StreamServerConfig,
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `info`
[INFO] [stdout]  --> src/server/handlers/mcp_check_status_handler.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log::{error, info};
[INFO] [stdout]   |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `McpServerConfig` and `detect_mcp_protocol`
[INFO] [stdout]   --> src/server/handlers/mcp_check_status_handler.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         McpServerConfig, McpServiceStatus, McpType,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 14 |     },
[INFO] [stdout] 15 |     server::{detect_mcp_protocol, mcp_start_task},
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `backend_protocol` is never read
[INFO] [stdout]   --> src/model/mcp_check_status_model.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct CheckMcpStatusRequestParams {
[INFO] [stdout]    |            --------------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub backend_protocol: Option<McpProtocol>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CheckMcpStatusRequestParams` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SseServerSettings` is never constructed
[INFO] [stdout]   --> src/model/mcp_router_model.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct SseServerSettings {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `json`
[INFO] [stdout]     --> src/model/mcp_router_model.rs:1057:13
[INFO] [stdout]      |
[INFO] [stdout] 1057 |         let json = r#"{
[INFO] [stdout]      |             ^^^^ help: if this is intentional, prefix it with an underscore: `_json`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `json`
[INFO] [stdout]     --> src/model/mcp_router_model.rs:1081:13
[INFO] [stdout]      |
[INFO] [stdout] 1081 |         let json = r#"{
[INFO] [stdout]      |             ^^^^ help: if this is intentional, prefix it with an underscore: `_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `backend_protocol` is never read
[INFO] [stdout]   --> src/model/mcp_check_status_model.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct CheckMcpStatusRequestParams {
[INFO] [stdout]    |            --------------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub backend_protocol: Option<McpProtocol>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CheckMcpStatusRequestParams` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SseServerSettings` is never constructed
[INFO] [stdout]   --> src/model/mcp_router_model.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct SseServerSettings {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 34s
[INFO] running `Command { std: "docker" "inspect" "fdd2d64872a0933c0c0900ca3bb05aa17476fd963ce89037374b4d4c19f7de65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdd2d64872a0933c0c0900ca3bb05aa17476fd963ce89037374b4d4c19f7de65", kill_on_drop: false }`
[INFO] [stdout] fdd2d64872a0933c0c0900ca3bb05aa17476fd963ce89037374b4d4c19f7de65
