[INFO] cloning repository https://github.com/ngmeyer/librarian-mcp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ngmeyer/librarian-mcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngmeyer%2Flibrarian-mcp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngmeyer%2Flibrarian-mcp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a008aa32d88c8850ec3b4569f9157c27ffd75f2
[INFO] checking ngmeyer/librarian-mcp against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngmeyer%2Flibrarian-mcp" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ngmeyer/librarian-mcp
[INFO] finished tweaking git repo https://github.com/ngmeyer/librarian-mcp
[INFO] tweaked toml for git repo https://github.com/ngmeyer/librarian-mcp written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ngmeyer/librarian-mcp on toolchain a5689b034ad287112f709693384a37f1377eb9cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ngmeyer/librarian-mcp 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" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:34:12
[INFO] [stderr]    |
[INFO] [stderr] 34 | homepage = "https://github.com/ngmeyer/librarian-mcp"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 39 | repository = "https://github.com/ngmeyer/librarian-mcp"
[INFO] [stderr]    |              ------------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `librarian-mcp` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6bde665d0f42fb910725d0284eb5018cfd78d2a38369a6be91644f96cc17c7ae
[INFO] running `Command { std: "docker" "start" "6bde665d0f42fb910725d0284eb5018cfd78d2a38369a6be91644f96cc17c7ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bde665d0f42fb910725d0284eb5018cfd78d2a38369a6be91644f96cc17c7ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6bde665d0f42fb910725d0284eb5018cfd78d2a38369a6be91644f96cc17c7ae" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bde665d0f42fb910725d0284eb5018cfd78d2a38369a6be91644f96cc17c7ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6bde665d0f42fb910725d0284eb5018cfd78d2a38369a6be91644f96cc17c7ae" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:34:12
[INFO] [stderr]    |
[INFO] [stderr] 34 | homepage = "https://github.com/ngmeyer/librarian-mcp"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 39 | repository = "https://github.com/ngmeyer/librarian-mcp"
[INFO] [stderr]    |              ------------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `librarian-mcp` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.184
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking bstr v1.12.1
[INFO] [stderr]     Checking dyn-clone v1.0.20
[INFO] [stderr]    Compiling rmcp v1.3.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling pastey v0.2.1
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking socket2 v0.6.3
[INFO] [stderr]     Checking mio v1.2.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking dirs-sys v0.5.0
[INFO] [stderr]     Checking dirs v6.0.0
[INFO] [stderr]     Checking globset v0.4.18
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]     Checking ignore v0.4.25
[INFO] [stderr]    Compiling darling_core v0.23.0
[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 tokio-macros v2.7.0
[INFO] [stderr]    Compiling ref-cast-impl v1.0.25
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling schemars_derive v1.2.1
[INFO] [stderr]    Compiling clap_derive v4.6.0
[INFO] [stderr]     Checking tokio v1.51.1
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]     Checking thiserror v2.0.18
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking clap v4.6.0
[INFO] [stderr]    Compiling darling_macro v0.23.0
[INFO] [stderr]    Compiling darling v0.23.0
[INFO] [stderr]    Compiling rmcp-macros v1.3.0
[INFO] [stderr]     Checking chrono v0.4.44
[INFO] [stderr]     Checking futures-executor v0.3.32
[INFO] [stderr]     Checking futures v0.3.32
[INFO] [stderr]     Checking schemars v1.2.1
[INFO] [stderr]     Checking tokio-util v0.7.18
[INFO] [stderr]     Checking librarian-mcp v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `applied` is never read
[INFO] [stdout]   --> src/optimize.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct OptimizeReport {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub applied: bool,
[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 `update_file` is never used
[INFO] [stdout]    --> src/search.rs:159:12
[INFO] [stdout]     |
[INFO] [stdout]  20 | impl SearchIndex {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 159 |     pub fn update_file(&mut self, path: &Path, new_content: &str) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `default_ignores` is never read
[INFO] [stdout]   --> src/server.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct LibraryServer {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub default_ignores: Vec<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LibraryServer` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Box<dyn StdError>`
[INFO] [stdout]   --> src/main.rs:69:61
[INFO] [stdout]    |
[INFO] [stdout] 69 |         return setup::run_setup(&library_paths).map_err(|e| e.into());
[INFO] [stdout]    |                                                             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 69 -         return setup::run_setup(&library_paths).map_err(|e| e.into());
[INFO] [stdout] 69 +         return setup::run_setup(&library_paths).map_err(|e| e);
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 69 -         return setup::run_setup(&library_paths).map_err(|e| e.into());
[INFO] [stdout] 69 +         return setup::run_setup(&library_paths).map_err(|e| <Box<dyn StdError> as Into<_>>::into(e));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `librarian-mcp` (bin "librarian-mcp") due to 1 previous error; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `applied` is never read
[INFO] [stdout]   --> src/optimize.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct OptimizeReport {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub applied: bool,
[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 `update_file` is never used
[INFO] [stdout]    --> src/search.rs:159:12
[INFO] [stdout]     |
[INFO] [stdout]  20 | impl SearchIndex {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 159 |     pub fn update_file(&mut self, path: &Path, new_content: &str) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `default_ignores` is never read
[INFO] [stdout]   --> src/server.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct LibraryServer {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub default_ignores: Vec<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LibraryServer` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Box<dyn StdError>`
[INFO] [stdout]   --> src/main.rs:69:61
[INFO] [stdout]    |
[INFO] [stdout] 69 |         return setup::run_setup(&library_paths).map_err(|e| e.into());
[INFO] [stdout]    |                                                             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 69 -         return setup::run_setup(&library_paths).map_err(|e| e.into());
[INFO] [stdout] 69 +         return setup::run_setup(&library_paths).map_err(|e| e);
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 69 -         return setup::run_setup(&library_paths).map_err(|e| e.into());
[INFO] [stdout] 69 +         return setup::run_setup(&library_paths).map_err(|e| <Box<dyn StdError> as Into<_>>::into(e));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `librarian-mcp` (bin "librarian-mcp" test) due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "6bde665d0f42fb910725d0284eb5018cfd78d2a38369a6be91644f96cc17c7ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bde665d0f42fb910725d0284eb5018cfd78d2a38369a6be91644f96cc17c7ae", kill_on_drop: false }`
[INFO] [stdout] 6bde665d0f42fb910725d0284eb5018cfd78d2a38369a6be91644f96cc17c7ae
