[INFO] fetching crate ruvector-solver 2.0.6...
[INFO] checking ruvector-solver-2.0.6 against master#6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd for pr-153721
[INFO] extracting crate ruvector-solver 2.0.6 into /workspace/builds/worker-3-tc1/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-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ruvector-solver 2.0.6 on toolchain 6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "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" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 1d483caa5b4ae3274b55f9250b85d4da8344b8baaf57703d3012bc9f2583b8f1
[INFO] running `Command { std: "docker" "start" "1d483caa5b4ae3274b55f9250b85d4da8344b8baaf57703d3012bc9f2583b8f1", 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" "1d483caa5b4ae3274b55f9250b85d4da8344b8baaf57703d3012bc9f2583b8f1" "/opt/rustwide/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d483caa5b4ae3274b55f9250b85d4da8344b8baaf57703d3012bc9f2583b8f1", 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" "1d483caa5b4ae3274b55f9250b85d4da8344b8baaf57703d3012bc9f2583b8f1" "/opt/rustwide/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling ruvector-solver v2.0.6 (/opt/rustwide/workdir)
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[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] [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_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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.84s
[INFO] running `Command { std: "docker" "inspect" "1d483caa5b4ae3274b55f9250b85d4da8344b8baaf57703d3012bc9f2583b8f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d483caa5b4ae3274b55f9250b85d4da8344b8baaf57703d3012bc9f2583b8f1", kill_on_drop: false }`
[INFO] [stdout] 1d483caa5b4ae3274b55f9250b85d4da8344b8baaf57703d3012bc9f2583b8f1