[INFO] fetching crate mcp_client_rs 0.1.7...
[INFO] testing mcp_client_rs-0.1.7 against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] extracting crate mcp_client_rs 0.1.7 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate mcp_client_rs 0.1.7
[INFO] finished tweaking crates.io crate mcp_client_rs 0.1.7
[INFO] tweaked toml for crates.io crate mcp_client_rs 0.1.7 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mcp_client_rs 0.1.7 on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mcp_client_rs 0.1.7 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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded once_cell v1.20.2
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45ffc71ed53cc109d6bb3c9a6cd3fa63691d4478529ba566992b7a110fe525ea
[INFO] running `Command { std: "docker" "start" "-a" "45ffc71ed53cc109d6bb3c9a6cd3fa63691d4478529ba566992b7a110fe525ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45ffc71ed53cc109d6bb3c9a6cd3fa63691d4478529ba566992b7a110fe525ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45ffc71ed53cc109d6bb3c9a6cd3fa63691d4478529ba566992b7a110fe525ea", kill_on_drop: false }`
[INFO] [stdout] 45ffc71ed53cc109d6bb3c9a6cd3fa63691d4478529ba566992b7a110fe525ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ef184bb7acb359ca363878725a0750bef4ee3bb43e815761854e8e8af686f04
[INFO] running `Command { std: "docker" "start" "-a" "4ef184bb7acb359ca363878725a0750bef4ee3bb43e815761854e8e8af686f04", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.167
[INFO] [stderr]    Compiling pin-project-lite v0.2.15
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling serde v1.0.216
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling serde_json v1.0.137
[INFO] [stderr]    Compiling thiserror v2.0.9
[INFO] [stderr]    Compiling bytes v1.9.0
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling mcp_client_rs v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling socket2 v0.5.8
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling serde_derive v1.0.216
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling thiserror-impl v2.0.9
[INFO] [stderr]    Compiling async-trait v0.1.85
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling tokio v1.42.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stdout] warning: unused import: `serde_json::Value`
[INFO] [stdout]  --> src/client/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde_json::Value;
[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 imports: `Duration` and `timeout`
[INFO] [stdout]  --> src/client/mod.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::time::{Duration, timeout};
[INFO] [stdout]   |                   ^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CompleteRequest`, `CompleteResult`, `GetPromptResult`, and `ListPromptsResult`
[INFO] [stdout]   --> src/client/mod.rs:13:62
[INFO] [stdout]    |
[INFO] [stdout] 13 |         CallToolRequest, CallToolResult, ClientCapabilities, CompleteRequest, CompleteResult,
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 14 |         GetPromptResult, Implementation, InitializeResult, ListPromptsResult, ListResourcesResult,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Notification` and `RequestId`
[INFO] [stdout]  --> src/server/mod.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 |     protocol::{Notification, Request, RequestId, Response, ResponseError},
[INFO] [stdout]   |                ^^^^^^^^^^^^           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `StreamExt`
[INFO] [stdout]  --> src/transport/stdio.rs:2:23
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::{Stream, StreamExt};
[INFO] [stdout]   |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ErrorCode`
[INFO] [stdout]   --> src/transport/stdio.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 |     error::{Error, ErrorCode},
[INFO] [stdout]    |                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `response_sender` is never read
[INFO] [stdout]   --> src/client/mod.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Client {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 38 |     response_sender: tokio::sync::mpsc::UnboundedSender<Message>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `message_type` is never used
[INFO] [stdout]   --> src/transport/mod.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Message {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 21 |     fn message_type(&self) -> &'static str {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.50s
[INFO] running `Command { std: "docker" "inspect" "4ef184bb7acb359ca363878725a0750bef4ee3bb43e815761854e8e8af686f04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ef184bb7acb359ca363878725a0750bef4ee3bb43e815761854e8e8af686f04", kill_on_drop: false }`
[INFO] [stdout] 4ef184bb7acb359ca363878725a0750bef4ee3bb43e815761854e8e8af686f04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3460796cc8573bd1a36a6244f99ce62c2565e14b80aa0de5fe602c4680435700
[INFO] running `Command { std: "docker" "start" "-a" "3460796cc8573bd1a36a6244f99ce62c2565e14b80aa0de5fe602c4680435700", kill_on_drop: false }`
[INFO] [stderr]    Compiling mcp_client_rs v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `serde_json::Value`
[INFO] [stdout]  --> src/client/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde_json::Value;
[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 imports: `Duration` and `timeout`
[INFO] [stdout]  --> src/client/mod.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::time::{Duration, timeout};
[INFO] [stdout]   |                   ^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CompleteRequest`, `CompleteResult`, `GetPromptResult`, and `ListPromptsResult`
[INFO] [stdout]   --> src/client/mod.rs:13:62
[INFO] [stdout]    |
[INFO] [stdout] 13 |         CallToolRequest, CallToolResult, ClientCapabilities, CompleteRequest, CompleteResult,
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 14 |         GetPromptResult, Implementation, InitializeResult, ListPromptsResult, ListResourcesResult,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Notification` and `RequestId`
[INFO] [stdout]  --> src/server/mod.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 |     protocol::{Notification, Request, RequestId, Response, ResponseError},
[INFO] [stdout]   |                ^^^^^^^^^^^^           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `StreamExt`
[INFO] [stdout]  --> src/transport/stdio.rs:2:23
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::{Stream, StreamExt};
[INFO] [stdout]   |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ErrorCode`
[INFO] [stdout]   --> src/transport/stdio.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 |     error::{Error, ErrorCode},
[INFO] [stdout]    |                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `response_sender` is never read
[INFO] [stdout]   --> src/client/mod.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Client {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 38 |     response_sender: tokio::sync::mpsc::UnboundedSender<Message>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `message_type` is never used
[INFO] [stdout]   --> src/transport/mod.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Message {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 21 |     fn message_type(&self) -> &'static str {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::Value`
[INFO] [stdout]  --> src/client/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde_json::Value;
[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 imports: `Duration` and `timeout`
[INFO] [stdout]  --> src/client/mod.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::time::{Duration, timeout};
[INFO] [stdout]   |                   ^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CompleteRequest`, `CompleteResult`, `GetPromptResult`, and `ListPromptsResult`
[INFO] [stdout]   --> src/client/mod.rs:13:62
[INFO] [stdout]    |
[INFO] [stdout] 13 |         CallToolRequest, CallToolResult, ClientCapabilities, CompleteRequest, CompleteResult,
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 14 |         GetPromptResult, Implementation, InitializeResult, ListPromptsResult, ListResourcesResult,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CallToolResult`, `ClientCapabilities`, `ListToolsResult`, `ReadResourceResult`, and `Tool`
[INFO] [stdout]  --> src/client/test.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     CallToolResult, ClientCapabilities, ListToolsResult, MessageContent, ReadResourceResult,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 5 |     ServerCapabilities, Tool,
[INFO] [stdout]   |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `StreamExt`
[INFO] [stdout]  --> src/transport/stdio.rs:2:23
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::{Stream, StreamExt};
[INFO] [stdout]   |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ErrorCode`
[INFO] [stdout]   --> src/transport/stdio.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 |     error::{Error, ErrorCode},
[INFO] [stdout]    |                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `StreamExt`
[INFO] [stdout]    --> src/server/mod.rs:151:27
[INFO] [stdout]     |
[INFO] [stdout] 151 |     use futures::{Stream, StreamExt};
[INFO] [stdout]     |                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/server/mod.rs:605:36
[INFO] [stdout]     |
[INFO] [stdout] 605 |         let (transport, client_tx, mut client_rx) = MockTransport::new();
[INFO] [stdout]     |                                    ----^^^^^^^^^
[INFO] [stdout]     |                                    |
[INFO] [stdout]     |                                    help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client_rx`
[INFO] [stdout]    --> src/server/mod.rs:605:36
[INFO] [stdout]     |
[INFO] [stdout] 605 |         let (transport, client_tx, mut client_rx) = MockTransport::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_client_rx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `response_sender` is never read
[INFO] [stdout]   --> src/client/mod.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Client {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 38 |     response_sender: tokio::sync::mpsc::UnboundedSender<Message>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `message_type` is never used
[INFO] [stdout]   --> src/transport/mod.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Message {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 21 |     fn message_type(&self) -> &'static str {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.78s
[INFO] running `Command { std: "docker" "inspect" "3460796cc8573bd1a36a6244f99ce62c2565e14b80aa0de5fe602c4680435700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3460796cc8573bd1a36a6244f99ce62c2565e14b80aa0de5fe602c4680435700", kill_on_drop: false }`
[INFO] [stdout] 3460796cc8573bd1a36a6244f99ce62c2565e14b80aa0de5fe602c4680435700
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4b0c8e74d55a0b6a662a411f38c79462231ce292a7f19fa5b76d757d2158eef2
[INFO] running `Command { std: "docker" "start" "-a" "4b0c8e74d55a0b6a662a411f38c79462231ce292a7f19fa5b76d757d2158eef2", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `serde_json::Value`
[INFO] [stderr]  --> src/client/mod.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use serde_json::Value;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Duration` and `timeout`
[INFO] [stderr]  --> src/client/mod.rs:5:19
[INFO] [stderr]   |
[INFO] [stderr] 5 | use tokio::time::{Duration, timeout};
[INFO] [stderr]   |                   ^^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `CompleteRequest`, `CompleteResult`, `GetPromptResult`, and `ListPromptsResult`
[INFO] [stderr]   --> src/client/mod.rs:13:62
[INFO] [stderr]    |
[INFO] [stderr] 13 |         CallToolRequest, CallToolResult, ClientCapabilities, CompleteRequest, CompleteResult,
[INFO] [stderr]    |                                                              ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stderr] 14 |         GetPromptResult, Implementation, InitializeResult, ListPromptsResult, ListResourcesResult,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^                                    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Notification` and `RequestId`
[INFO] [stderr]  --> src/server/mod.rs:8:16
[INFO] [stderr]   |
[INFO] [stderr] 8 |     protocol::{Notification, Request, RequestId, Response, ResponseError},
[INFO] [stderr]   |                ^^^^^^^^^^^^           ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `StreamExt`
[INFO] [stderr]  --> src/transport/stdio.rs:2:23
[INFO] [stderr]   |
[INFO] [stderr] 2 | use futures::{Stream, StreamExt};
[INFO] [stderr]   |                       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ErrorCode`
[INFO] [stderr]   --> src/transport/stdio.rs:10:20
[INFO] [stderr]    |
[INFO] [stderr] 10 |     error::{Error, ErrorCode},
[INFO] [stderr]    |                    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `response_sender` is never read
[INFO] [stderr]   --> src/client/mod.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub struct Client {
[INFO] [stderr]    |            ------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 38 |     response_sender: tokio::sync::mpsc::UnboundedSender<Message>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `message_type` is never used
[INFO] [stderr]   --> src/transport/mod.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | impl Message {
[INFO] [stderr]    | ------------ method in this implementation
[INFO] [stderr] 21 |     fn message_type(&self) -> &'static str {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `mcp_client_rs` (lib) generated 8 warnings (run `cargo fix --lib -p mcp_client_rs` to apply 6 suggestions)
[INFO] [stderr] warning: unused imports: `CallToolResult`, `ClientCapabilities`, `ListToolsResult`, `ReadResourceResult`, and `Tool`
[INFO] [stderr]  --> src/client/test.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     CallToolResult, ClientCapabilities, ListToolsResult, MessageContent, ReadResourceResult,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^                  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 5 |     ServerCapabilities, Tool,
[INFO] [stderr]   |                         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `StreamExt`
[INFO] [stderr]    --> src/server/mod.rs:151:27
[INFO] [stderr]     |
[INFO] [stderr] 151 |     use futures::{Stream, StreamExt};
[INFO] [stderr]     |                           ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/server/mod.rs:605:36
[INFO] [stderr]     |
[INFO] [stderr] 605 |         let (transport, client_tx, mut client_rx) = MockTransport::new();
[INFO] [stderr]     |                                    ----^^^^^^^^^
[INFO] [stderr]     |                                    |
[INFO] [stderr]     |                                    help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `client_rx`
[INFO] [stderr]    --> src/server/mod.rs:605:36
[INFO] [stderr]     |
[INFO] [stderr] 605 |         let (transport, client_tx, mut client_rx) = MockTransport::new();
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_client_rx`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mcp_client_rs` (lib test) generated 11 warnings (7 duplicates) (run `cargo fix --lib -p mcp_client_rs --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mcp_client_rs-e4539968fbb7c3c5)
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test protocol::tests::test_notification_creation ... ok
[INFO] [stdout] test protocol::tests::test_protocol_versions ... ok
[INFO] [stdout] test protocol::tests::test_request_id_display ... ok
[INFO] [stdout] test protocol::tests::test_response_error ... ok
[INFO] [stdout] test client::test::test_list_tools_schema ... FAILED
[INFO] [stdout] test client::test::test_call_add_note_missing_args ... FAILED
[INFO] [stdout] test protocol::tests::test_response_success ... ok
[INFO] [stdout] test client::test::test_resource_list_after_adding_note ... FAILED
[INFO] [stdout] test client::test::test_call_add_note_wrong_types ... FAILED
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test protocol::tests::test_request_creation ... ok
[INFO] [stdout] test client::test::test_resource_list_changed_notification_handling ... FAILED
[INFO] [stdout] test client::test::test_notes_simple_basic_functionality ... FAILED
[INFO] [stdout] test client::test::test_read_resource_of_added_note ... FAILED
[INFO] [stdout] test client::test::test_set_log_level ... FAILED
[INFO] [stdout] test client::test::test_call_tool_invalid_name ... FAILED
[INFO] [stdout] test client::test::test_call_add_note_success ... FAILED
[INFO] [stdout] test client::test::test_ping_request ... FAILED
[INFO] [stdout] test client::builder::tests::test_builder_spawn_failure ... ok
[INFO] [stdout] test server::tests::test_server_error_handling ... ok
[INFO] [stdout] test server::tests::test_invalid_message_handling ... ok
[INFO] [stdout] test server::tests::test_double_initialization ... ok
[INFO] [stdout] test server::tests::test_server_fast_operation ... ok
[INFO] [stdout] test server::tests::test_shutdown_handling ... ok
[INFO] [stdout] test server::tests::test_server_initialization_timeout ... ok
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- client::test::test_list_tools_schema stdout ----
[INFO] [stdout] Error: Io("No such file or directory (os error 2)")
[INFO] [stdout] 
[INFO] [stdout] ---- client::test::test_call_add_note_missing_args stdout ----
[INFO] [stdout] Error: Io("No such file or directory (os error 2)")
[INFO] [stdout] 
[INFO] [stdout] ---- client::test::test_resource_list_after_adding_note stdout ----
[INFO] [stdout] Error: Io("No such file or directory (os error 2)")
[INFO] [stdout] 
[INFO] [stdout] ---- client::test::test_call_add_note_wrong_types stdout ----
[INFO] [stdout] Error: Io("No such file or directory (os error 2)")
[INFO] [stdout] 
[INFO] [stdout] ---- client::test::test_resource_list_changed_notification_handling stdout ----
[INFO] [stdout] Error: Io("No such file or directory (os error 2)")
[INFO] [stdout] 
[INFO] [stdout] ---- client::test::test_notes_simple_basic_functionality stdout ----
[INFO] [stdout] Error: Io("No such file or directory (os error 2)")
[INFO] [stdout] 
[INFO] [stdout] ---- client::test::test_read_resource_of_added_note stdout ----
[INFO] [stdout] Error: Io("No such file or directory (os error 2)")
[INFO] [stdout] 
[INFO] [stdout] ---- client::test::test_set_log_level stdout ----
[INFO] [stdout] Error: Io("No such file or directory (os error 2)")
[INFO] [stdout] 
[INFO] [stdout] ---- client::test::test_call_tool_invalid_name stdout ----
[INFO] [stdout] Error: Io("No such file or directory (os error 2)")
[INFO] [stdout] 
[INFO] [stdout] ---- client::test::test_call_add_note_success stdout ----
[INFO] [stdout] Error: Io("No such file or directory (os error 2)")
[INFO] [stdout] 
[INFO] [stdout] ---- client::test::test_ping_request stdout ----
[INFO] [stdout] Error: Io("No such file or directory (os error 2)")
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     client::test::test_call_add_note_missing_args
[INFO] [stdout]     client::test::test_call_add_note_success
[INFO] [stdout]     client::test::test_call_add_note_wrong_types
[INFO] [stdout]     client::test::test_call_tool_invalid_name
[INFO] [stdout]     client::test::test_list_tools_schema
[INFO] [stdout]     client::test::test_notes_simple_basic_functionality
[INFO] [stdout]     client::test::test_ping_request
[INFO] [stdout]     client::test::test_read_resource_of_added_note
[INFO] [stdout]     client::test::test_resource_list_after_adding_note
[INFO] [stdout]     client::test::test_resource_list_changed_notification_handling
[INFO] [stdout]     client::test::test_set_log_level
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 14 passed; 11 failed; 0 ignored; 0 measured; 0 filtered out; finished in 6.12s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4b0c8e74d55a0b6a662a411f38c79462231ce292a7f19fa5b76d757d2158eef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b0c8e74d55a0b6a662a411f38c79462231ce292a7f19fa5b76d757d2158eef2", kill_on_drop: false }`
[INFO] [stdout] 4b0c8e74d55a0b6a662a411f38c79462231ce292a7f19fa5b76d757d2158eef2
