[INFO] fetching crate rustmcp 0.1.0... [INFO] testing rustmcp-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2 [INFO] extracting crate rustmcp 0.1.0 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate rustmcp 0.1.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate rustmcp 0.1.0 [INFO] tweaked toml for crates.io crate rustmcp 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate rustmcp 0.1.0 on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate rustmcp 0.1.0 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-tungstenite v0.24.0 [INFO] [stderr] Downloaded serde_path_to_error v0.1.17 [INFO] [stderr] Downloaded tungstenite v0.24.0 [INFO] [stderr] Downloaded wit-bindgen v0.45.0 [INFO] [stderr] Downloaded wasi v0.14.3+wasi-0.2.4 [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 318810f3b82f412ec885e4e6b0533fc7d513b6cd8a13b3af473c742a8c687473 [INFO] running `Command { std: "docker" "start" "-a" "318810f3b82f412ec885e4e6b0533fc7d513b6cd8a13b3af473c742a8c687473", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "318810f3b82f412ec885e4e6b0533fc7d513b6cd8a13b3af473c742a8c687473", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "318810f3b82f412ec885e4e6b0533fc7d513b6cd8a13b3af473c742a8c687473", kill_on_drop: false }` [INFO] [stdout] 318810f3b82f412ec885e4e6b0533fc7d513b6cd8a13b3af473c742a8c687473 [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=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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d8d5f81ab573116783a8f36f9df6806524bbe7bd85af51ae8d22d3ee2f379d07 [INFO] running `Command { std: "docker" "start" "-a" "d8d5f81ab573116783a8f36f9df6806524bbe7bd85af51ae8d22d3ee2f379d07", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Compiling memchr v2.7.5 [INFO] [stderr] Compiling log v0.4.28 [INFO] [stderr] Compiling bytes v1.10.1 [INFO] [stderr] Compiling futures-sink v0.3.31 [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling lock_api v0.4.13 [INFO] [stderr] Compiling zerocopy v0.8.26 [INFO] [stderr] Compiling futures-io v0.3.31 [INFO] [stderr] Compiling tracing-core v0.1.34 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling regex-syntax v0.8.6 [INFO] [stderr] Compiling crypto-common v0.1.6 [INFO] [stderr] Compiling serde_json v1.0.143 [INFO] [stderr] Compiling data-encoding v2.9.0 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Compiling digest v0.10.7 [INFO] [stderr] Compiling futures-channel v0.3.31 [INFO] [stderr] Compiling anstyle-query v1.1.4 [INFO] [stderr] Compiling thread_local 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Compiling hyper v1.7.0 [INFO] [stderr] Compiling tower v0.5.2 [INFO] [stderr] Compiling tokio-tungstenite v0.24.0 [INFO] [stderr] Compiling hyper-util v0.1.16 [INFO] [stderr] Compiling axum v0.7.9 [INFO] [stderr] Compiling rustmcp v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.16s [INFO] running `Command { std: "docker" "inspect" "d8d5f81ab573116783a8f36f9df6806524bbe7bd85af51ae8d22d3ee2f379d07", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d8d5f81ab573116783a8f36f9df6806524bbe7bd85af51ae8d22d3ee2f379d07", kill_on_drop: false }` [INFO] [stdout] d8d5f81ab573116783a8f36f9df6806524bbe7bd85af51ae8d22d3ee2f379d07 [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=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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 147317fb22d6d034988950530882ac17f6fd0fbd801d2f068285f8106a68b16b [INFO] running `Command { std: "docker" "start" "-a" "147317fb22d6d034988950530882ac17f6fd0fbd801d2f068285f8106a68b16b", kill_on_drop: false }` [INFO] [stderr] Compiling rustmcp v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.53s [INFO] running `Command { std: "docker" "inspect" "147317fb22d6d034988950530882ac17f6fd0fbd801d2f068285f8106a68b16b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "147317fb22d6d034988950530882ac17f6fd0fbd801d2f068285f8106a68b16b", kill_on_drop: false }` [INFO] [stdout] 147317fb22d6d034988950530882ac17f6fd0fbd801d2f068285f8106a68b16b [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=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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] cf6743661d37eb4d5b53fd640e4100512d6cf7bd85e57205f13106406f80d72d [INFO] running `Command { std: "docker" "start" "-a" "cf6743661d37eb4d5b53fd640e4100512d6cf7bd85e57205f13106406f80d72d", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rustmcp-a817fa725f780667) [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] [stderr] Doc-tests rustmcp [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/lib.rs - (line 59) ... FAILED [INFO] [stdout] test src/lib.rs - (line 16) ... FAILED [INFO] [stdout] test src/server/mod.rs - server (line 12) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 59) stdout ---- [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib.rs:81:14 [INFO] [stdout] | [INFO] [stdout] 81 | Some(vec!["utility".to_string()]), [INFO] [stdout] | ---- ^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `String`, found `Vec` [INFO] [stdout] | | [INFO] [stdout] | arguments to this enum variant are incorrect [INFO] [stdout] | [INFO] [stdout] = note: expected struct `std::string::String` [INFO] [stdout] found struct `Vec` [INFO] [stdout] help: the type constructed contains `Vec` due to the type of the argument passed [INFO] [stdout] --> src/lib.rs:81:9 [INFO] [stdout] | [INFO] [stdout] 81 | Some(vec!["utility".to_string()]), [INFO] [stdout] | ^^^^^---------------------------^ [INFO] [stdout] | | [INFO] [stdout] | this argument influences the type of `Some` [INFO] [stdout] note: tuple variant defined here [INFO] [stdout] --> /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/option.rs:608:4 [INFO] [stdout] [INFO] [stdout] error[E0061]: this function takes 9 arguments but 7 arguments were supplied [INFO] [stdout] --> src/lib.rs:70:21 [INFO] [stdout] | [INFO] [stdout] 70 | let echo_tool = FunctionTool::from_function( [INFO] [stdout] | _____________________^^^^^^^^^^^^^^^^^^^^^^^^^^^- [INFO] [stdout] 71 | | |_args: Option>| -> Result { [INFO] [stdout] 72 | | let message = _args [INFO] [stdout] 73 | | .as_ref() [INFO] [stdout] ... | [INFO] [stdout] 93 | | None, [INFO] [stdout] 94 | | ); [INFO] [stdout] | |_____- two arguments of type `Option>` and `Option` are missing [INFO] [stdout] | [INFO] [stdout] note: associated function defined here [INFO] [stdout] --> src/server/tools.rs:118:12 [INFO] [stdout] | [INFO] [stdout] 118 | pub fn from_function( [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] help: provide the arguments [INFO] [stdout] | [INFO] [stdout] 70 | let echo_tool = FunctionTool::from_function( [INFO] [stdout] ... [INFO] [stdout] 93 | None, [INFO] [stdout] 94 ~ /* Option> */, [INFO] [stdout] 95 + /* Option */, [INFO] [stdout] 96 ~ ); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0061, E0308. [INFO] [stdout] For more information about an error, try `rustc --explain E0061`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - (line 16) stdout ---- [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib.rs:41:14 [INFO] [stdout] | [INFO] [stdout] 41 | Some(vec!["greeting".to_string()]), [INFO] [stdout] | ---- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `String`, found `Vec` [INFO] [stdout] | | [INFO] [stdout] | arguments to this enum variant are incorrect [INFO] [stdout] | [INFO] [stdout] = note: expected struct `std::string::String` [INFO] [stdout] found struct `Vec` [INFO] [stdout] help: the type constructed contains `Vec` due to the type of the argument passed [INFO] [stdout] --> src/lib.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | Some(vec!["greeting".to_string()]), [INFO] [stdout] | ^^^^^----------------------------^ [INFO] [stdout] | | [INFO] [stdout] | this argument influences the type of `Some` [INFO] [stdout] note: tuple variant defined here [INFO] [stdout] --> /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/option.rs:608:4 [INFO] [stdout] [INFO] [stdout] error[E0061]: this function takes 9 arguments but 6 arguments were supplied [INFO] [stdout] --> src/lib.rs:37:31 [INFO] [stdout] | [INFO] [stdout] 37 | let greet_function_tool = FunctionTool::from_function( [INFO] [stdout] | _______________________________^^^^^^^^^^^^^^^^^^^^^^^^^^^- [INFO] [stdout] 38 | | greet_tool, [INFO] [stdout] 39 | | Some("greet".to_string()), [INFO] [stdout] 40 | | Some("Greets a person by name".to_string()), [INFO] [stdout] ... | [INFO] [stdout] 43 | | None, [INFO] [stdout] 44 | | ); [INFO] [stdout] | |_____- three arguments of type `Option`, `Option>`, and `Option` are missing [INFO] [stdout] | [INFO] [stdout] note: associated function defined here [INFO] [stdout] --> src/server/tools.rs:118:12 [INFO] [stdout] | [INFO] [stdout] 118 | pub fn from_function( [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] help: provide the arguments [INFO] [stdout] | [INFO] [stdout] 37 | let greet_function_tool = FunctionTool::from_function( [INFO] [stdout] ... [INFO] [stdout] 43 | None, [INFO] [stdout] 44 ~ /* Option */, [INFO] [stdout] 45 + /* Option> */, [INFO] [stdout] 46 + /* Option */, [INFO] [stdout] 47 ~ ); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib.rs:52:33 [INFO] [stdout] | [INFO] [stdout] 52 | match rustmcp.mcp_call_tool("greet".to_string(), Some(args)).await { [INFO] [stdout] | ------------- ^^^^^^^^^^^^^^^^^^^ expected `&str`, found `String` [INFO] [stdout] | | [INFO] [stdout] | arguments to this method are incorrect [INFO] [stdout] | [INFO] [stdout] note: method defined here [INFO] [stdout] --> src/server/mod.rs:149:18 [INFO] [stdout] | [INFO] [stdout] 149 | pub async fn mcp_call_tool(&self, name: &str, arguments: Option>) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] help: try removing the method call [INFO] [stdout] | [INFO] [stdout] 52 - match rustmcp.mcp_call_tool("greet".to_string(), Some(args)).await { [INFO] [stdout] 52 + match rustmcp.mcp_call_tool("greet", Some(args)).await { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0061, E0308. [INFO] [stdout] For more information about an error, try `rustc --explain E0061`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/server/mod.rs - server (line 12) stdout ---- [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/server/mod.rs:31:10 [INFO] [stdout] | [INFO] [stdout] 31 | Some(vec!["utility".to_string()]), [INFO] [stdout] | ---- ^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `String`, found `Vec` [INFO] [stdout] | | [INFO] [stdout] | arguments to this enum variant are incorrect [INFO] [stdout] | [INFO] [stdout] = note: expected struct `std::string::String` [INFO] [stdout] found struct `Vec` [INFO] [stdout] help: the type constructed contains `Vec` due to the type of the argument passed [INFO] [stdout] --> src/server/mod.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | Some(vec!["utility".to_string()]), [INFO] [stdout] | ^^^^^---------------------------^ [INFO] [stdout] | | [INFO] [stdout] | this argument influences the type of `Some` [INFO] [stdout] note: tuple variant defined here [INFO] [stdout] --> /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/option.rs:608:4 [INFO] [stdout] [INFO] [stdout] error[E0061]: this function takes 9 arguments but 7 arguments were supplied [INFO] [stdout] --> src/server/mod.rs:20:17 [INFO] [stdout] | [INFO] [stdout] 20 | let echo_tool = FunctionTool::from_function( [INFO] [stdout] | _________________^^^^^^^^^^^^^^^^^^^^^^^^^^^- [INFO] [stdout] 21 | | |_args: Option>| -> Result { [INFO] [stdout] 22 | | let message = _args [INFO] [stdout] 23 | | .as_ref() [INFO] [stdout] ... | [INFO] [stdout] 43 | | None, [INFO] [stdout] 44 | | ); [INFO] [stdout] | |_- two arguments of type `Option>` and `Option` are missing [INFO] [stdout] | [INFO] [stdout] note: associated function defined here [INFO] [stdout] --> src/server/tools.rs:118:12 [INFO] [stdout] | [INFO] [stdout] 118 | pub fn from_function( [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] help: provide the arguments [INFO] [stdout] | [INFO] [stdout] 20 | let echo_tool = FunctionTool::from_function( [INFO] [stdout] ... [INFO] [stdout] 43 | None, [INFO] [stdout] 44 + /* Option> */, [INFO] [stdout] 45 + /* Option */, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0061, E0308. [INFO] [stdout] For more information about an error, try `rustc --explain E0061`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 16) [INFO] [stdout] src/lib.rs - (line 59) [INFO] [stdout] src/server/mod.rs - server (line 12) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "cf6743661d37eb4d5b53fd640e4100512d6cf7bd85e57205f13106406f80d72d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf6743661d37eb4d5b53fd640e4100512d6cf7bd85e57205f13106406f80d72d", kill_on_drop: false }` [INFO] [stdout] cf6743661d37eb4d5b53fd640e4100512d6cf7bd85e57205f13106406f80d72d