[INFO] fetching crate rustmcp 0.1.0...
[INFO] testing rustmcp-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate rustmcp 0.1.0 into /workspace/builds/worker-3-tc2/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-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustmcp 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8350a7b599dceaf22cdea868536457e02cdaa5d58000c4249d62fc771e654f42
[INFO] running `Command { std: "docker" "start" "-a" "8350a7b599dceaf22cdea868536457e02cdaa5d58000c4249d62fc771e654f42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8350a7b599dceaf22cdea868536457e02cdaa5d58000c4249d62fc771e654f42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8350a7b599dceaf22cdea868536457e02cdaa5d58000c4249d62fc771e654f42", kill_on_drop: false }`
[INFO] [stdout] 8350a7b599dceaf22cdea868536457e02cdaa5d58000c4249d62fc771e654f42
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62e2260aef015778da86a96b0a52ecc0c471335669ec371b96ea8697fdd53d2e
[INFO] running `Command { std: "docker" "start" "-a" "62e2260aef015778da86a96b0a52ecc0c471335669ec371b96ea8697fdd53d2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
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[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[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 46.43s
[INFO] running `Command { std: "docker" "inspect" "62e2260aef015778da86a96b0a52ecc0c471335669ec371b96ea8697fdd53d2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62e2260aef015778da86a96b0a52ecc0c471335669ec371b96ea8697fdd53d2e", kill_on_drop: false }`
[INFO] [stdout] 62e2260aef015778da86a96b0a52ecc0c471335669ec371b96ea8697fdd53d2e
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef96930a75970a46482106ec4ba3fea1d08654ec6a755c72b5efc1b93969edf9
[INFO] running `Command { std: "docker" "start" "-a" "ef96930a75970a46482106ec4ba3fea1d08654ec6a755c72b5efc1b93969edf9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustmcp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.96s
[INFO] running `Command { std: "docker" "inspect" "ef96930a75970a46482106ec4ba3fea1d08654ec6a755c72b5efc1b93969edf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef96930a75970a46482106ec4ba3fea1d08654ec6a755c72b5efc1b93969edf9", kill_on_drop: false }`
[INFO] [stdout] ef96930a75970a46482106ec4ba3fea1d08654ec6a755c72b5efc1b93969edf9
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 342474ec601e991997494369e4df33727e82e8d64a8f3c632818dc5e3d849312
[INFO] running `Command { std: "docker" "start" "-a" "342474ec601e991997494369e4df33727e82e8d64a8f3c632818dc5e3d849312", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rustmcp-9dac8cd38d13b7b5)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rustmcp
[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] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/server/mod.rs - server (line 12) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 16) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 59) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[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<String>`
[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<std::string::String>`
[INFO] [stdout] help: the type constructed contains `Vec<std::string::String>` 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/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/option.rs:607:4
[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<std::collections::HashMap<String, serde_json::Value>>| -> Result<serde_json::Value, String> {
[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<Vec<std::string::String>>` and `Option<Value>` are missing
[INFO] [stdout]     |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]    --> /opt/rustwide/workdir/src/server/tools.rs:118:12
[INFO] [stdout]     |
[INFO] [stdout] 118 |     pub fn from_function<F>(
[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<Vec<std::string::String>> */,
[INFO] [stdout]  45 +     /* Option<Value> */,
[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<String>`
[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<std::string::String>`
[INFO] [stdout] help: the type constructed contains `Vec<std::string::String>` 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/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/option.rs:607:4
[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<ToolAnnotations>`, `Option<Vec<std::string::String>>`, and `Option<Value>` are missing
[INFO] [stdout]     |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]    --> /opt/rustwide/workdir/src/server/tools.rs:118:12
[INFO] [stdout]     |
[INFO] [stdout] 118 |     pub fn from_function<F>(
[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<ToolAnnotations> */,
[INFO] [stdout]  45 +         /* Option<Vec<std::string::String>> */,
[INFO] [stdout]  46 +         /* Option<Value> */,
[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]    --> /opt/rustwide/workdir/src/server/mod.rs:149:18
[INFO] [stdout]     |
[INFO] [stdout] 149 |     pub async fn mcp_call_tool(&self, name: &str, arguments: Option<HashMap<String, Value>>) -> Result<Value, String> {
[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/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<String>`
[INFO] [stdout]    |         |
[INFO] [stdout]    |         arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout]    = note: expected struct `std::string::String`
[INFO] [stdout]               found struct `Vec<std::string::String>`
[INFO] [stdout] help: the type constructed contains `Vec<std::string::String>` 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/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/option.rs:607:4
[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<HashMap<String, Value>>| -> Result<Value, String> {
[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<Vec<std::string::String>>` and `Option<Value>` are missing
[INFO] [stdout]     |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]    --> /opt/rustwide/workdir/src/server/tools.rs:118:12
[INFO] [stdout]     |
[INFO] [stdout] 118 |     pub fn from_function<F>(
[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<Vec<std::string::String>> */,
[INFO] [stdout]  95 +         /* Option<Value> */,
[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] 
[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 0.21s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "342474ec601e991997494369e4df33727e82e8d64a8f3c632818dc5e3d849312", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "342474ec601e991997494369e4df33727e82e8d64a8f3c632818dc5e3d849312", kill_on_drop: false }`
[INFO] [stdout] 342474ec601e991997494369e4df33727e82e8d64a8f3c632818dc5e3d849312
