[INFO] fetching crate canon-mcp 0.2.0...
[INFO] testing canon-mcp-0.2.0 against beta-2026-04-21 for beta-1.96-1
[INFO] extracting crate canon-mcp 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate canon-mcp 0.2.0
[INFO] finished tweaking crates.io crate canon-mcp 0.2.0
[INFO] tweaked toml for crates.io crate canon-mcp 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate canon-mcp 0.2.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate canon-mcp 0.2.0 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2cb6a31a518ad64035c6dd70b99dfaad679e48545dff1e3a380458ea1f6468ab
[INFO] running `Command { std: "docker" "start" "-a" "2cb6a31a518ad64035c6dd70b99dfaad679e48545dff1e3a380458ea1f6468ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cb6a31a518ad64035c6dd70b99dfaad679e48545dff1e3a380458ea1f6468ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cb6a31a518ad64035c6dd70b99dfaad679e48545dff1e3a380458ea1f6468ab", kill_on_drop: false }`
[INFO] [stdout] 2cb6a31a518ad64035c6dd70b99dfaad679e48545dff1e3a380458ea1f6468ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f92cfbd6d76491923bca49e1380c506cd12cd4fa321b0d9cf03a906fa7ddbf9
[INFO] running `Command { std: "docker" "start" "-a" "1f92cfbd6d76491923bca49e1380c506cd12cd4fa321b0d9cf03a906fa7ddbf9", kill_on_drop: false }`
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[INFO] [stderr]    Compiling canon-core v0.2.0
[INFO] [stderr]    Compiling tokenizers v0.20.4
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling gemm-common v0.18.2
[INFO] [stderr]    Compiling gemm-common v0.17.1
[INFO] [stderr]    Compiling gemm-f32 v0.18.2
[INFO] [stderr]    Compiling gemm-f64 v0.18.2
[INFO] [stderr]    Compiling gemm-c64 v0.18.2
[INFO] [stderr]    Compiling gemm-c32 v0.18.2
[INFO] [stderr]    Compiling gemm-f32 v0.17.1
[INFO] [stderr]    Compiling gemm-c32 v0.17.1
[INFO] [stderr]    Compiling gemm-f64 v0.17.1
[INFO] [stderr]    Compiling gemm-c64 v0.17.1
[INFO] [stderr]    Compiling gemm-f16 v0.17.1
[INFO] [stderr]    Compiling gemm-f16 v0.18.2
[INFO] [stderr]    Compiling gemm v0.18.2
[INFO] [stderr]    Compiling gemm v0.17.1
[INFO] [stderr]    Compiling ug v0.1.0
[INFO] [stderr]    Compiling candle-core v0.8.4
[INFO] [stderr]    Compiling candle-nn v0.8.4
[INFO] [stderr]    Compiling candle-transformers v0.8.4
[INFO] [stderr]    Compiling canon-store v0.2.0
[INFO] [stderr]    Compiling canon-embed v0.2.0
[INFO] [stderr]    Compiling canon-mcp v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `git_ok`
[INFO] [stdout]    --> src/server.rs:870:13
[INFO] [stdout]     |
[INFO] [stdout] 870 |         let git_ok = if receipt.git.is_some() {
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_git_ok`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `search_semantic` and `search_lexical` are never used
[INFO] [stdout]    --> src/search.rs:121:12
[INFO] [stdout]     |
[INFO] [stdout]  27 | impl QueryEngine {
[INFO] [stdout]     | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 121 |     pub fn search_semantic(&self, query: &str, k: usize) -> Result<Vec<SearchResult>> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 155 |     pub fn search_lexical(&self, query: &str, k: usize) -> Result<Vec<SearchResult>> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `jsonrpc` is never read
[INFO] [stdout]   --> src/server.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 78 | struct JsonRpcRequest {
[INFO] [stdout]    |        -------------- field in this struct
[INFO] [stdout] 79 |     jsonrpc: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `JsonRpcRequest` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 02s
[INFO] running `Command { std: "docker" "inspect" "1f92cfbd6d76491923bca49e1380c506cd12cd4fa321b0d9cf03a906fa7ddbf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f92cfbd6d76491923bca49e1380c506cd12cd4fa321b0d9cf03a906fa7ddbf9", kill_on_drop: false }`
[INFO] [stdout] 1f92cfbd6d76491923bca49e1380c506cd12cd4fa321b0d9cf03a906fa7ddbf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 078074581d41c273b447d3c595abd50f6c13736cc42089c6dd5047a36492ff40
[INFO] running `Command { std: "docker" "start" "-a" "078074581d41c273b447d3c595abd50f6c13736cc42089c6dd5047a36492ff40", kill_on_drop: false }`
[INFO] [stderr]    Compiling canon-mcp v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `git_ok`
[INFO] [stdout]    --> src/server.rs:870:13
[INFO] [stdout]     |
[INFO] [stdout] 870 |         let git_ok = if receipt.git.is_some() {
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_git_ok`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `search_semantic` and `search_lexical` are never used
[INFO] [stdout]    --> src/search.rs:121:12
[INFO] [stdout]     |
[INFO] [stdout]  27 | impl QueryEngine {
[INFO] [stdout]     | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 121 |     pub fn search_semantic(&self, query: &str, k: usize) -> Result<Vec<SearchResult>> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 155 |     pub fn search_lexical(&self, query: &str, k: usize) -> Result<Vec<SearchResult>> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `jsonrpc` is never read
[INFO] [stdout]   --> src/server.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 78 | struct JsonRpcRequest {
[INFO] [stdout]    |        -------------- field in this struct
[INFO] [stdout] 79 |     jsonrpc: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `JsonRpcRequest` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.97s
[INFO] running `Command { std: "docker" "inspect" "078074581d41c273b447d3c595abd50f6c13736cc42089c6dd5047a36492ff40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "078074581d41c273b447d3c595abd50f6c13736cc42089c6dd5047a36492ff40", kill_on_drop: false }`
[INFO] [stdout] 078074581d41c273b447d3c595abd50f6c13736cc42089c6dd5047a36492ff40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 811d5a1ca304ea287c5b9434d7ec04075dd6a3ef198867dafbddd152df596ae7
[INFO] running `Command { std: "docker" "start" "-a" "811d5a1ca304ea287c5b9434d7ec04075dd6a3ef198867dafbddd152df596ae7", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `git_ok`
[INFO] [stderr]    --> src/server.rs:870:13
[INFO] [stderr]     |
[INFO] [stderr] 870 |         let git_ok = if receipt.git.is_some() {
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_git_ok`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `search_semantic` and `search_lexical` are never used
[INFO] [stderr]    --> src/search.rs:121:12
[INFO] [stderr]     |
[INFO] [stderr]  27 | impl QueryEngine {
[INFO] [stderr]     | ---------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 121 |     pub fn search_semantic(&self, query: &str, k: usize) -> Result<Vec<SearchResult>> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 155 |     pub fn search_lexical(&self, query: &str, k: usize) -> Result<Vec<SearchResult>> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `jsonrpc` is never read
[INFO] [stderr]   --> src/server.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 78 | struct JsonRpcRequest {
[INFO] [stderr]    |        -------------- field in this struct
[INFO] [stderr] 79 |     jsonrpc: String,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `JsonRpcRequest` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `canon-mcp` (bin "canon-mcp" test) generated 3 warnings (run `cargo fix --bin "canon-mcp" -p canon-mcp --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/canon_mcp-ac55fc2b6eff58aa)
[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] running `Command { std: "docker" "inspect" "811d5a1ca304ea287c5b9434d7ec04075dd6a3ef198867dafbddd152df596ae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "811d5a1ca304ea287c5b9434d7ec04075dd6a3ef198867dafbddd152df596ae7", kill_on_drop: false }`
[INFO] [stdout] 811d5a1ca304ea287c5b9434d7ec04075dd6a3ef198867dafbddd152df596ae7