[INFO] fetching crate ruvector-solver 2.0.6...
[INFO] testing ruvector-solver-2.0.6 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate ruvector-solver 2.0.6 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate ruvector-solver 2.0.6
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ruvector-solver 2.0.6
[INFO] tweaked toml for crates.io crate ruvector-solver 2.0.6 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ruvector-solver 2.0.6 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 ruvector-solver 2.0.6 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 }`
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[INFO] [stderr]    Compiling libc v0.2.182
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[INFO] [stderr]    Compiling once_cell v1.21.3
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[INFO] [stdout] warning: function `random_diag_dominant_csr` is never used
[INFO] [stdout]   --> tests/helpers.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn random_diag_dominant_csr(n: usize, density: f64, seed: u64) -> CsrMatrix<f64> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `adjacency_from_edges` is never used
[INFO] [stdout]    --> tests/helpers.rs:205:8
[INFO] [stdout]     |
[INFO] [stdout] 205 | pub fn adjacency_from_edges(n: usize, edges: &[(usize, usize)]) -> CsrMatrix<f64> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Lcg` is never constructed
[INFO] [stdout]   --> tests/helpers.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Lcg {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `next_u64`, `next_f64`, and `next_f64_range` are never used
[INFO] [stdout]   --> tests/helpers.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Lcg {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 21 |     /// Create a new LCG with the given seed.
[INFO] [stdout] 22 |     pub fn new(seed: u64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn next_u64(&mut self) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn next_f64(&mut self) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn next_f64_range(&mut self, lo: f64, hi: f64) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_diag_dominant_csr` is never used
[INFO] [stdout]   --> tests/helpers.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn random_diag_dominant_csr(n: usize, density: f64, seed: u64) -> CsrMatrix<f64> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_laplacian_csr` is never used
[INFO] [stdout]   --> tests/helpers.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub fn random_laplacian_csr(n: usize, density: f64, seed: u64) -> CsrMatrix<f64> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_spd_csr` is never used
[INFO] [stdout]    --> tests/helpers.rs:145:8
[INFO] [stdout]     |
[INFO] [stdout] 145 | pub fn random_spd_csr(n: usize, density: f64, seed: u64) -> CsrMatrix<f64> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_vector` is never used
[INFO] [stdout]    --> tests/helpers.rs:196:8
[INFO] [stdout]     |
[INFO] [stdout] 196 | pub fn random_vector(n: usize, seed: u64) -> Vec<f64> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `adjacency_from_edges` is never used
[INFO] [stdout]    --> tests/helpers.rs:205:8
[INFO] [stdout]     |
[INFO] [stdout] 205 | pub fn adjacency_from_edges(n: usize, edges: &[(usize, usize)]) -> CsrMatrix<f64> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dense_solve` is never used
[INFO] [stdout]    --> tests/helpers.rs:228:8
[INFO] [stdout]     |
[INFO] [stdout] 228 | pub fn dense_solve(matrix: &CsrMatrix<f64>, rhs: &[f64]) -> Vec<f64> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `l2_norm` is never used
[INFO] [stdout]    --> tests/helpers.rs:287:8
[INFO] [stdout]     |
[INFO] [stdout] 287 | pub fn l2_norm(v: &[f64]) -> f64 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `l2_distance` is never used
[INFO] [stdout]    --> tests/helpers.rs:292:8
[INFO] [stdout]     |
[INFO] [stdout] 292 | pub fn l2_distance(a: &[f64], b: &[f64]) -> f64 {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `relative_error` is never used
[INFO] [stdout]    --> tests/helpers.rs:304:8
[INFO] [stdout]     |
[INFO] [stdout] 304 | pub fn relative_error(approx: &[f64], exact: &[f64]) -> f64 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_residual` is never used
[INFO] [stdout]    --> tests/helpers.rs:315:8
[INFO] [stdout]     |
[INFO] [stdout] 315 | pub fn compute_residual(matrix: &CsrMatrix<f64>, x: &[f64], rhs: &[f64]) -> Vec<f64> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `f32_to_f64` is never used
[INFO] [stdout]    --> tests/helpers.rs:323:8
[INFO] [stdout]     |
[INFO] [stdout] 323 | pub fn f32_to_f64(v: &[f32]) -> Vec<f64> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `selected`
[INFO] [stdout]    --> tests/test_router.rs:223:9
[INFO] [stdout]     |
[INFO] [stdout] 223 |     let selected = orchestrator
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_selected`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_laplacian_csr` is never used
[INFO] [stdout]   --> tests/helpers.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub fn random_laplacian_csr(n: usize, density: f64, seed: u64) -> CsrMatrix<f64> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `adjacency_from_edges` is never used
[INFO] [stdout]    --> tests/helpers.rs:205:8
[INFO] [stdout]     |
[INFO] [stdout] 205 | pub fn adjacency_from_edges(n: usize, edges: &[(usize, usize)]) -> CsrMatrix<f64> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dense_solve` is never used
[INFO] [stdout]    --> tests/helpers.rs:228:8
[INFO] [stdout]     |
[INFO] [stdout] 228 | pub fn dense_solve(matrix: &CsrMatrix<f64>, rhs: &[f64]) -> Vec<f64> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `l2_norm` is never used
[INFO] [stdout]    --> tests/helpers.rs:287:8
[INFO] [stdout]     |
[INFO] [stdout] 287 | pub fn l2_norm(v: &[f64]) -> f64 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `l2_distance` is never used
[INFO] [stdout]    --> tests/helpers.rs:292:8
[INFO] [stdout]     |
[INFO] [stdout] 292 | pub fn l2_distance(a: &[f64], b: &[f64]) -> f64 {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `relative_error` is never used
[INFO] [stdout]    --> tests/helpers.rs:304:8
[INFO] [stdout]     |
[INFO] [stdout] 304 | pub fn relative_error(approx: &[f64], exact: &[f64]) -> f64 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_residual` is never used
[INFO] [stdout]    --> tests/helpers.rs:315:8
[INFO] [stdout]     |
[INFO] [stdout] 315 | pub fn compute_residual(matrix: &CsrMatrix<f64>, x: &[f64], rhs: &[f64]) -> Vec<f64> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `f32_to_f64` is never used
[INFO] [stdout]    --> tests/helpers.rs:323:8
[INFO] [stdout]     |
[INFO] [stdout] 323 | pub fn f32_to_f64(v: &[f32]) -> Vec<f64> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_laplacian_csr` is never used
[INFO] [stdout]   --> tests/helpers.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub fn random_laplacian_csr(n: usize, density: f64, seed: u64) -> CsrMatrix<f64> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_spd_csr` is never used
[INFO] [stdout]    --> tests/helpers.rs:145:8
[INFO] [stdout]     |
[INFO] [stdout] 145 | pub fn random_spd_csr(n: usize, density: f64, seed: u64) -> CsrMatrix<f64> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `adjacency_from_edges` is never used
[INFO] [stdout]    --> tests/helpers.rs:205:8
[INFO] [stdout]     |
[INFO] [stdout] 205 | pub fn adjacency_from_edges(n: usize, edges: &[(usize, usize)]) -> CsrMatrix<f64> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Lcg` is never constructed
[INFO] [stdout]   --> tests/helpers.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Lcg {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `next_u64`, `next_f64`, and `next_f64_range` are never used
[INFO] [stdout]   --> tests/helpers.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Lcg {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 21 |     /// Create a new LCG with the given seed.
[INFO] [stdout] 22 |     pub fn new(seed: u64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn next_u64(&mut self) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn next_f64(&mut self) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn next_f64_range(&mut self, lo: f64, hi: f64) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_diag_dominant_csr` is never used
[INFO] [stdout]   --> tests/helpers.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn random_diag_dominant_csr(n: usize, density: f64, seed: u64) -> CsrMatrix<f64> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_laplacian_csr` is never used
[INFO] [stdout]   --> tests/helpers.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub fn random_laplacian_csr(n: usize, density: f64, seed: u64) -> CsrMatrix<f64> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_spd_csr` is never used
[INFO] [stdout]    --> tests/helpers.rs:145:8
[INFO] [stdout]     |
[INFO] [stdout] 145 | pub fn random_spd_csr(n: usize, density: f64, seed: u64) -> CsrMatrix<f64> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_vector` is never used
[INFO] [stdout]    --> tests/helpers.rs:196:8
[INFO] [stdout]     |
[INFO] [stdout] 196 | pub fn random_vector(n: usize, seed: u64) -> Vec<f64> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dense_solve` is never used
[INFO] [stdout]    --> tests/helpers.rs:228:8
[INFO] [stdout]     |
[INFO] [stdout] 228 | pub fn dense_solve(matrix: &CsrMatrix<f64>, rhs: &[f64]) -> Vec<f64> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `l2_norm` is never used
[INFO] [stdout]    --> tests/helpers.rs:287:8
[INFO] [stdout]     |
[INFO] [stdout] 287 | pub fn l2_norm(v: &[f64]) -> f64 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `l2_distance` is never used
[INFO] [stdout]    --> tests/helpers.rs:292:8
[INFO] [stdout]     |
[INFO] [stdout] 292 | pub fn l2_distance(a: &[f64], b: &[f64]) -> f64 {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `relative_error` is never used
[INFO] [stdout]    --> tests/helpers.rs:304:8
[INFO] [stdout]     |
[INFO] [stdout] 304 | pub fn relative_error(approx: &[f64], exact: &[f64]) -> f64 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_residual` is never used
[INFO] [stdout]    --> tests/helpers.rs:315:8
[INFO] [stdout]     |
[INFO] [stdout] 315 | pub fn compute_residual(matrix: &CsrMatrix<f64>, x: &[f64], rhs: &[f64]) -> Vec<f64> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `f32_to_f64` is never used
[INFO] [stdout]    --> tests/helpers.rs:323:8
[INFO] [stdout]     |
[INFO] [stdout] 323 | pub fn f32_to_f64(v: &[f32]) -> Vec<f64> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 32.87s
[INFO] running `Command { std: "docker" "inspect" "734bcf5780e9c40d6cbc095c938f40b25692f91511ee41adf1bb816b70e1ad2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "734bcf5780e9c40d6cbc095c938f40b25692f91511ee41adf1bb816b70e1ad2a", kill_on_drop: false }`
[INFO] [stdout] 734bcf5780e9c40d6cbc095c938f40b25692f91511ee41adf1bb816b70e1ad2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e84a3180099f94b881f4237e66595678eef1814b56b3fbffd7ee8df4c310f582
[INFO] running `Command { std: "docker" "start" "-a" "e84a3180099f94b881f4237e66595678eef1814b56b3fbffd7ee8df4c310f582", kill_on_drop: false }`
[INFO] [stderr] warning: function `random_diag_dominant_csr` is never used
[INFO] [stderr]   --> tests/helpers.rs:57:8
[INFO] [stderr]    |
[INFO] [stderr] 57 | pub fn random_diag_dominant_csr(n: usize, density: f64, seed: u64) -> CsrMatrix<f64> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `adjacency_from_edges` is never used
[INFO] [stderr]    --> tests/helpers.rs:205:8
[INFO] [stderr]     |
[INFO] [stderr] 205 | pub fn adjacency_from_edges(n: usize, edges: &[(usize, usize)]) -> CsrMatrix<f64> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `selected`
[INFO] [stderr]    --> tests/test_router.rs:223:9
[INFO] [stderr]     |
[INFO] [stderr] 223 |     let selected = orchestrator
[INFO] [stderr]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_selected`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `random_laplacian_csr` is never used
[INFO] [stderr]   --> tests/helpers.rs:99:8
[INFO] [stderr]    |
[INFO] [stderr] 99 | pub fn random_laplacian_csr(n: usize, density: f64, seed: u64) -> CsrMatrix<f64> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `dense_solve` is never used
[INFO] [stderr]    --> tests/helpers.rs:228:8
[INFO] [stderr]     |
[INFO] [stderr] 228 | pub fn dense_solve(matrix: &CsrMatrix<f64>, rhs: &[f64]) -> Vec<f64> {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `l2_norm` is never used
[INFO] [stderr]    --> tests/helpers.rs:287:8
[INFO] [stderr]     |
[INFO] [stderr] 287 | pub fn l2_norm(v: &[f64]) -> f64 {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `l2_distance` is never used
[INFO] [stderr]    --> tests/helpers.rs:292:8
[INFO] [stderr]     |
[INFO] [stderr] 292 | pub fn l2_distance(a: &[f64], b: &[f64]) -> f64 {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `relative_error` is never used
[INFO] [stderr]    --> tests/helpers.rs:304:8
[INFO] [stderr]     |
[INFO] [stderr] 304 | pub fn relative_error(approx: &[f64], exact: &[f64]) -> f64 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `compute_residual` is never used
[INFO] [stderr]    --> tests/helpers.rs:315:8
[INFO] [stderr]     |
[INFO] [stderr] 315 | pub fn compute_residual(matrix: &CsrMatrix<f64>, x: &[f64], rhs: &[f64]) -> Vec<f64> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `f32_to_f64` is never used
[INFO] [stderr]    --> tests/helpers.rs:323:8
[INFO] [stderr]     |
[INFO] [stderr] 323 | pub fn f32_to_f64(v: &[f32]) -> Vec<f64> {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Lcg` is never constructed
[INFO] [stderr]   --> tests/helpers.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct Lcg {
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `next_u64`, `next_f64`, and `next_f64_range` are never used
[INFO] [stderr]   --> tests/helpers.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 20 | impl Lcg {
[INFO] [stderr]    | -------- associated items in this implementation
[INFO] [stderr] 21 |     /// Create a new LCG with the given seed.
[INFO] [stderr] 22 |     pub fn new(seed: u64) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 27 |     pub fn next_u64(&mut self) -> u64 {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 36 |     pub fn next_f64(&mut self) -> f64 {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 41 |     pub fn next_f64_range(&mut self, lo: f64, hi: f64) -> f64 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `random_diag_dominant_csr` is never used
[INFO] [stderr]   --> tests/helpers.rs:57:8
[INFO] [stderr]    |
[INFO] [stderr] 57 | pub fn random_diag_dominant_csr(n: usize, density: f64, seed: u64) -> CsrMatrix<f64> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `random_laplacian_csr` is never used
[INFO] [stderr]   --> tests/helpers.rs:99:8
[INFO] [stderr]    |
[INFO] [stderr] 99 | pub fn random_laplacian_csr(n: usize, density: f64, seed: u64) -> CsrMatrix<f64> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `random_spd_csr` is never used
[INFO] [stderr]    --> tests/helpers.rs:145:8
[INFO] [stderr]     |
[INFO] [stderr] 145 | pub fn random_spd_csr(n: usize, density: f64, seed: u64) -> CsrMatrix<f64> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `random_vector` is never used
[INFO] [stderr]    --> tests/helpers.rs:196:8
[INFO] [stderr]     |
[INFO] [stderr] 196 | pub fn random_vector(n: usize, seed: u64) -> Vec<f64> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ruvector-solver` (test "test_cg") generated 2 warnings
[INFO] [stderr] warning: `ruvector-solver` (test "test_router") generated 9 warnings (1 duplicate) (run `cargo fix --test "test_router" -p ruvector-solver` to apply 1 suggestion)
[INFO] [stderr] warning: `ruvector-solver` (test "test_csr_matrix") generated 13 warnings (7 duplicates)
[INFO] [stderr] warning: `ruvector-solver` (test "test_push") generated 12 warnings (12 duplicates)
[INFO] [stderr] warning: `ruvector-solver` (test "test_neumann") generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ruvector_solver-3a712b1e38d37b33)
[INFO] [stdout] 
[INFO] [stdout] running 140 tests
[INFO] [stdout] test arena::tests::alloc_and_reset ... ok
[INFO] [stdout] test audit::tests::audit_builder_not_converged ... ok
[INFO] [stdout] test audit::tests::audit_entry_is_serializable ... ok
[INFO] [stdout] test audit::tests::hash_output_deterministic ... ok
[INFO] [stdout] test audit::tests::hash_input_changes_with_rhs ... ok
[INFO] [stdout] test audit::tests::hash_input_deterministic ... ok
[INFO] [stdout] test audit::tests::audit_builder_produces_entry ... ok
[INFO] [stdout] test budget::tests::iteration_limit_exceeded ... ok
[INFO] [stdout] test audit::tests::hash_output_changes ... ok
[INFO] [stdout] test budget::tests::memory_within_budget ... ok
[INFO] [stdout] test budget::tests::tolerance_accessor ... ok
[INFO] [stdout] test cg::tests::accessors ... ok
[INFO] [stdout] test cg::tests::axpy_negative_alpha ... ok
[INFO] [stdout] test cg::tests::axpy_basic ... ok
[INFO] [stdout] test budget::tests::wall_clock_limit_exceeded ... ok
[INFO] [stdout] test audit::tests::hash_input_changes_with_values ... ok
[INFO] [stdout] test budget::tests::iterations_within_budget ... ok
[INFO] [stdout] test cg::tests::cg_convergence_history_populated ... ok
[INFO] [stdout] test cg::tests::cg_diagonal_matrix ... ok
[INFO] [stdout] test budget::tests::memory_limit_exceeded ... ok
[INFO] [stdout] test budget::tests::memory_saturating_add_no_panic ... ok
[INFO] [stdout] test cg::tests::cg_dimension_mismatch ... ok
[INFO] [stdout] test cg::tests::cg_empty_system ... ok
[INFO] [stdout] test budget::tests::budget_accessor ... ok
[INFO] [stdout] test budget::tests::elapsed_us_positive ... ok
[INFO] [stdout] test cg::tests::cg_budget_iteration_limit ... ok
[INFO] [stdout] test arena::tests::grows_when_needed ... ok
[INFO] [stdout] test cg::tests::cg_algorithm_field ... ok
[INFO] [stdout] test cg::tests::cg_identity_matrix ... ok
[INFO] [stdout] test cg::tests::cg_non_square_matrix ... ok
[INFO] [stdout] test cg::tests::cg_non_convergence ... ok
[INFO] [stdout] test cg::tests::cg_tridiagonal_small ... ok
[INFO] [stdout] test cg::tests::cg_solution_satisfies_system ... ok
[INFO] [stdout] test cg::tests::dot_product_f64_odd_length ... ok
[INFO] [stdout] test cg::tests::norm2_basic ... ok
[INFO] [stdout] test cg::tests::norm2_zero ... ok
[INFO] [stdout] test forward_push::tests::basic_ppr_triangle ... ok
[INFO] [stdout] test cg::tests::dot_product_f64_precision ... ok
[INFO] [stdout] test forward_push::tests::invalid_source_errors ... ok
[INFO] [stdout] test cg::tests::estimate_complexity_returns_cg ... ok
[INFO] [stdout] test forward_push::tests::isolated_source_converges_to_one ... ok
[INFO] [stdout] test forward_push::tests::isolated_vertex_receives_zero ... ok
[INFO] [stdout] test cg::tests::cg_zero_rhs ... ok
[INFO] [stdout] test cg::tests::cg_preconditioned_converges_faster ... ok
[INFO] [stdout] test forward_push::tests::complete_graph_symmetry ... ok
[INFO] [stdout] test forward_push::tests::mass_invariant_holds ... ok
[INFO] [stdout] test forward_push::tests::forward_push_with_residuals_mass_conservation ... ok
[INFO] [stdout] test forward_push::tests::multi_seed_ppr ... ok
[INFO] [stdout] test forward_push::tests::ppr_star_symmetry ... ok
[INFO] [stdout] test cg::tests::dot_product_f64_basic ... ok
[INFO] [stdout] test cg::tests::dot_product_f64_empty ... ok
[INFO] [stdout] test forward_push::tests::ppr_path_graph_monotone_decay ... ok
[INFO] [stdout] test forward_push::tests::estimate_complexity_sublinear ... ok
[INFO] [stdout] test forward_push::tests::self_loop_graph ... ok
[INFO] [stdout] test forward_push::tests::single_vertex_graph ... ok
[INFO] [stdout] test forward_push::tests::solver_engine_trait ... ok
[INFO] [stdout] test forward_push::tests::sublinear_ppr_trait ... ok
[INFO] [stdout] test cg::tests::cg_tridiagonal_large ... ok
[INFO] [stdout] test forward_push::tests::top_k_truncates ... ok
[INFO] [stdout] test neumann::tests::test_algorithm_tag ... ok
[INFO] [stdout] test neumann::tests::test_estimate_complexity ... ok
[INFO] [stdout] test neumann::tests::test_convergence_history_monotone ... ok
[INFO] [stdout] test neumann::tests::test_solve_dimension_mismatch ... ok
[INFO] [stdout] test neumann::tests::test_solve_identity ... ok
[INFO] [stdout] test neumann::tests::test_solve_divergent_matrix ... ok
[INFO] [stdout] test neumann::tests::test_larger_system_accuracy ... ok
[INFO] [stdout] test neumann::tests::test_scalar_system ... ok
[INFO] [stdout] test neumann::tests::test_solve_tridiagonal ... ok
[INFO] [stdout] test neumann::tests::test_new ... ok
[INFO] [stdout] test neumann::tests::test_solve_empty_system ... ok
[INFO] [stdout] test neumann::tests::test_solver_engine_trait_f64 ... ok
[INFO] [stdout] test neumann::tests::test_spectral_radius_identity ... ok
[INFO] [stdout] test neumann::tests::test_spectral_radius_empty ... ok
[INFO] [stdout] test neumann::tests::test_solve_non_square ... ok
[INFO] [stdout] test neumann::tests::test_spectral_radius_non_diag_dominant ... ok
[INFO] [stdout] test neumann::tests::test_solve_diagonal ... ok
[INFO] [stdout] test neumann::tests::test_spectral_radius_pure_diagonal ... ok
[INFO] [stdout] test router::tests::analyze_diag_dominant ... ok
[INFO] [stdout] test router::tests::analyze_empty_matrix ... ok
[INFO] [stdout] test router::tests::analyze_identity_matrix ... ok
[INFO] [stdout] test router::tests::custom_config_overrides_thresholds ... ok
[INFO] [stdout] test router::tests::cg_inline_solves_spd_system ... ok
[INFO] [stdout] test router::tests::dense_rejects_non_square ... ok
[INFO] [stdout] test router::tests::dense_solves_small_system ... ok
[INFO] [stdout] test router::tests::cg_and_dense_agree_on_solution ... ok
[INFO] [stdout] test router::tests::orchestrator_dimension_mismatch ... ok
[INFO] [stdout] test router::tests::estimate_complexity_returns_reasonable_values ... ok
[INFO] [stdout] test router::tests::neumann_requires_low_spectral_radius ... ok
[INFO] [stdout] test router::tests::fallback_chain_deduplicates ... ok
[INFO] [stdout] test router::tests::orchestrator_solve_diag_dominant ... ok
[INFO] [stdout] test router::tests::routes_diag_dominant_sparse_to_neumann ... ok
[INFO] [stdout] test router::tests::orchestrator_solve_with_fallback_succeeds ... ok
[INFO] [stdout] test router::tests::routes_single_pagerank_to_forward_push ... ok
[INFO] [stdout] test router::tests::routes_small_pairwise_to_forward_push ... ok
[INFO] [stdout] test router::tests::routes_ill_conditioned_to_bmssp ... ok
[INFO] [stdout] test router::tests::routes_spectral_filter_to_neumann ... ok
[INFO] [stdout] test simd::tests::scalar_spmv_correctness ... ok
[INFO] [stdout] test simd::tests::spmv_simd_dispatch ... ok
[INFO] [stdout] test simd::tests::spmv_simd_f64_correctness ... ok
[INFO] [stdout] test router::tests::routes_well_conditioned_non_diag_dominant_to_cg ... ok
[INFO] [stdout] test router::tests::routes_small_batch_to_cg ... ok
[INFO] [stdout] test validation::tests::col_index_out_of_bounds ... ok
[INFO] [stdout] test router::tests::orchestrator_solve_identity ... ok
[INFO] [stdout] test simd::tests::scalar_spmv_f64_correctness ... ok
[INFO] [stdout] test validation::tests::full_input_validation ... ok
[INFO] [stdout] test validation::tests::rejects_inf_in_solution ... ok
[INFO] [stdout] test validation::tests::rejects_inf_residual ... ok
[INFO] [stdout] test validation::tests::invalid_tolerance_rejected ... ok
[INFO] [stdout] test validation::tests::rejects_nan_in_solution ... ok
[INFO] [stdout] test validation::tests::nan_value_rejected ... ok
[INFO] [stdout] test validation::tests::inf_value_rejected ... ok
[INFO] [stdout] test validation::tests::non_monotonic_row_ptr ... ok
[INFO] [stdout] test validation::tests::non_square_rejected ... ok
[INFO] [stdout] test validation::tests::rejects_excessive_iterations ... ok
[INFO] [stdout] test router::tests::routes_large_batch_to_true ... ok
[INFO] [stdout] test router::tests::routes_large_pairwise_to_hybrid_random_walk ... ok
[INFO] [stdout] test validation::tests::rejects_nan_tolerance ... ok
[INFO] [stdout] test validation::tests::rejects_oversized_body ... ok
[INFO] [stdout] test validation::tests::rejects_row_ptr_not_starting_at_zero ... ok
[INFO] [stdout] test validation::tests::rejects_tolerance_above_one ... ok
[INFO] [stdout] test validation::tests::rejects_wrong_row_ptr_length ... ok
[INFO] [stdout] test validation::tests::rejects_too_large_matrix ... ok
[INFO] [stdout] test validation::tests::rejects_zero_iterations_in_output ... ok
[INFO] [stdout] test validation::tests::rejects_zero_tolerance ... ok
[INFO] [stdout] test validation::tests::rejects_zero_iterations ... ok
[INFO] [stdout] test validation::tests::rhs_nan_rejected ... ok
[INFO] [stdout] test validation::tests::valid_body_size ... ok
[INFO] [stdout] test validation::tests::rhs_vector_alias_works ... ok
[INFO] [stdout] test validation::tests::rhs_dimension_mismatch ... ok
[INFO] [stdout] test validation::tests::valid_empty_matrix ... ok
[INFO] [stdout] test validation::tests::rhs_inf_rejected ... ok
[INFO] [stdout] test validation::tests::valid_params ... ok
[INFO] [stdout] test validation::tests::valid_from_coo ... ok
[INFO] [stdout] test validation::tests::valid_rhs ... ok
[INFO] [stdout] test validation::tests::valid_output ... ok
[INFO] [stdout] test validation::tests::rejects_nan_residual ... ok
[INFO] [stdout] test validation::tests::valid_identity ... ok
[INFO] [stdout] test validation::tests::warns_on_all_zero_rhs ... ok
[INFO] [stdout] test validation::tests::rejects_negative_tolerance ... ok
[INFO] [stdout] test forward_push::tests::kahan_accuracy ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 140 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/helpers.rs (/opt/rustwide/target/debug/deps/helpers-f99e5fbc5fdaf85a)
[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]      Running tests/test_cg.rs (/opt/rustwide/target/debug/deps/test_cg-0e8be6fef88b1ebf)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_cg_laplacian ... ok
[INFO] [stdout] test test_cg_known_solution ... ok
[INFO] [stdout] test test_cg_preconditioned ... ok
[INFO] [stdout] test test_cg_spd_system ... ok
[INFO] [stdout] test test_cg_tolerance_levels ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_csr_matrix.rs (/opt/rustwide/target/debug/deps/test_csr_matrix-f000343b03ef6554)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test_csr_density ... ok
[INFO] [stdout] test test_csr_empty ... ok
[INFO] [stdout] test test_csr_spmv ... ok
[INFO] [stdout] test test_csr_from_triplets ... ok
[INFO] [stdout] test test_csr_symmetric ... ok
[INFO] [stdout] test test_csr_transpose ... ok
[INFO] [stdout] test test_csr_identity ... ok
[INFO] [stderr]      Running tests/test_neumann.rs (/opt/rustwide/target/debug/deps/test_neumann-717d97e2facfb1f2)
[INFO] [stdout] test test_csr_diagonal ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_neumann_convergence_rate ... ok
[INFO] [stdout] test test_neumann_diagonal_dominant ... ok
[INFO] [stdout] test test_neumann_identity_system ... ok
[INFO] [stdout] test test_neumann_spectral_radius_check ... ok
[INFO] [stdout] test test_neumann_known_solution ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_push.rs (/opt/rustwide/target/debug/deps/test_push-565d3829a925fa18)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_forward_push_star_graph ... ok
[INFO] [stdout] test test_forward_push_simple_graph ... ok
[INFO] [stdout] test test_forward_push_mass_conservation ... ok
[INFO] [stdout] test test_forward_push_complete_graph ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_router.rs (/opt/rustwide/target/debug/deps/test_router-f7c822fb7ba3664e)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_router_selects_push_for_pagerank ... ok
[INFO] [stdout] test test_router_selects_cg_for_general_spd ... ok
[INFO] [stdout] test test_router_selects_neumann_for_diag_dominant ... ok
[INFO] [stdout] test test_router_fallback_chain ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_validation.rs (/opt/rustwide/target/debug/deps/test_validation-0b551932b153a052)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_reject_dimension_mismatch ... ok
[INFO] [stdout] test test_reject_inf_input ... ok
[INFO] [stdout] test test_reject_invalid_csr ... ok
[INFO] [stdout] test test_reject_nan_input ... ok
[INFO] [stdout] test test_reject_oversized_input ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ruvector_solver
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/audit.rs - audit::AuditBuilder (line 124) ... ignored
[INFO] [stdout] test src/router.rs - router::RouterConfig (line 52) ... ok
[INFO] [stdout] test src/budget.rs - budget::BudgetEnforcer (line 29) ... ok
[INFO] [stdout] test src/arena.rs - arena::SolverArena (line 22) ... ok
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] test src/validation.rs - validation::validate_csr_matrix (line 68) ... ok
[INFO] [stdout] test src/router.rs - router::SolverOrchestrator (line 273) ... ok
[INFO] [stdout] test src/router.rs - router::SolverRouter (line 123) ... ok
[INFO] [stdout] test src/neumann.rs - neumann::NeumannSolver (line 64) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.62s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e84a3180099f94b881f4237e66595678eef1814b56b3fbffd7ee8df4c310f582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e84a3180099f94b881f4237e66595678eef1814b56b3fbffd7ee8df4c310f582", kill_on_drop: false }`
[INFO] [stdout] e84a3180099f94b881f4237e66595678eef1814b56b3fbffd7ee8df4c310f582
