[INFO] fetching crate vector_quantizer 0.0.3...
[INFO] testing vector_quantizer-0.0.3 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate vector_quantizer 0.0.3 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate vector_quantizer 0.0.3
[INFO] finished tweaking crates.io crate vector_quantizer 0.0.3
[INFO] tweaked toml for crates.io crate vector_quantizer 0.0.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vector_quantizer 0.0.3 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate vector_quantizer 0.0.3 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] d18665d86032688e049fafce505de137ff8e1b16448e6f5fb97c5a8689dac628
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[INFO] running `Command { std: "docker" "rm" "-f" "d18665d86032688e049fafce505de137ff8e1b16448e6f5fb97c5a8689dac628", kill_on_drop: false }`
[INFO] [stdout] d18665d86032688e049fafce505de137ff8e1b16448e6f5fb97c5a8689dac628
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[INFO] [stdout] 9ae269f310907f271f063dd39c1353522fd7685892616713e16d21f8833512d1
[INFO] running `Command { std: "docker" "start" "-a" "9ae269f310907f271f063dd39c1353522fd7685892616713e16d21f8833512d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.165
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]    Compiling memoffset v0.9.1
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[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling noisy_float v0.2.0
[INFO] [stderr]    Compiling rustc-hash v2.1.0
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[INFO] [stderr]    Compiling itertools v0.13.0
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[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling pyo3-ffi v0.23.3
[INFO] [stderr]    Compiling pyo3-macros-backend v0.23.3
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[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.215
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[INFO] [stderr]    Compiling rand_core v0.9.0-alpha.2
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[INFO] [stderr]    Compiling ndarray v0.16.1
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[INFO] [stderr]    Compiling ndarray-stats v0.6.0
[INFO] [stderr]    Compiling ndarray-rand v0.15.0
[INFO] [stderr]    Compiling numpy v0.23.0
[INFO] [stderr]    Compiling vector_quantizer v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `trace` and `warn`
[INFO] [stdout]  --> src/pq.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use log::{info, trace, warn};
[INFO] [stdout]   |                 ^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PQResidualError` is never used
[INFO] [stdout]  --> src/errors.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum PQResidualError {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Codes3D` is never used
[INFO] [stdout]  --> src/pq_residual.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub enum Codes3D {
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PQResidual` is never constructed
[INFO] [stdout]   --> src/pq_residual.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct PQResidual {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SaveOptions` is never constructed
[INFO] [stdout]   --> src/pq_residual.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct SaveOptions {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_norms` is never used
[INFO] [stdout]   --> src/pq_residual.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn compute_norms(data: &ArrayView2<f32>) -> Vec<f32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `save_norms` is never used
[INFO] [stdout]   --> src/pq_residual.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn save_norms(norms: &[f32], path: &str) -> Result<(), io::Error> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `save_decoded_data` is never used
[INFO] [stdout]   --> src/pq_residual.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn save_decoded_data(data: &Array2<f32>, path: &str) -> Result<(), io::Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `try_new`, `fit`, `encode`, `decode`, and `compress` are never used
[INFO] [stdout]    --> src/pq_residual.rs:55:12
[INFO] [stdout]     |
[INFO] [stdout]  54 | impl PQResidual {
[INFO] [stdout]     | --------------- associated items in this implementation
[INFO] [stdout]  55 |     pub fn try_new(pqs: Vec<PQ>) -> Result<Self, PQResidualError> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  79 |     pub fn fit(
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 195 |     pub fn encode(&self, vecs: &Array2<f32>) -> Result<Codes3D, PQResidualError> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 244 |     pub fn decode(&self, codes: &Array3<u32>) -> Result<Array2<f32>, PQResidualError> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 273 |     pub fn compress(&self, X: &Array2<f32>) -> Result<Array2<f32>, PQResidualError> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_random_vectors` is never used
[INFO] [stdout]    --> src/utils.rs:134:8
[INFO] [stdout]     |
[INFO] [stdout] 134 | pub fn create_random_vectors(num_vectors: usize, dimension: usize) -> Array2<f32> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `D` should have a snake case name
[INFO] [stdout]    --> src/pq_residual.rs:171:25
[INFO] [stdout]     |
[INFO] [stdout] 171 |                     let D = d.ok_or(PQResidualError::MissingProductQuantizer)?;
[INFO] [stdout]     |                         ^ help: convert the identifier to snake case: `d`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/pq_residual.rs:273:28
[INFO] [stdout]     |
[INFO] [stdout] 273 |     pub fn compress(&self, X: &Array2<f32>) -> Result<Array2<f32>, PQResidualError> {
[INFO] [stdout]     |                            ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Axis`
[INFO] [stdout]  --> src/bin/example.rs:2:23
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ndarray::{Array2, Axis};
[INFO] [stdout]   |                       ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `verbose`
[INFO] [stdout]   --> src/bin/example.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let verbose = Some(true);
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_verbose`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ks`
[INFO] [stdout]   --> src/bin/readme_example.rs:48:37
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn calc_compression_ratio(m: usize, ks: u32, dimension: usize) -> f64 {
[INFO] [stdout]    |                                     ^^ help: if this is intentional, prefix it with an underscore: `_ks`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.37s
[INFO] running `Command { std: "docker" "inspect" "9ae269f310907f271f063dd39c1353522fd7685892616713e16d21f8833512d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ae269f310907f271f063dd39c1353522fd7685892616713e16d21f8833512d1", kill_on_drop: false }`
[INFO] [stdout] 9ae269f310907f271f063dd39c1353522fd7685892616713e16d21f8833512d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15601cb7fedc1efa6f1651bf251864adf8785a8db6e3c65d4f53d0a12bb63249
[INFO] running `Command { std: "docker" "start" "-a" "15601cb7fedc1efa6f1651bf251864adf8785a8db6e3c65d4f53d0a12bb63249", kill_on_drop: false }`
[INFO] [stderr]    Compiling clap_lex v0.7.3
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling is-terminal v0.4.13
[INFO] [stderr]    Compiling oorandom v11.1.4
[INFO] [stderr]    Compiling clap_builder v4.5.21
[INFO] [stderr]    Compiling clap v4.5.21
[INFO] [stderr]    Compiling ndarray v0.16.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling ndarray-rand v0.15.0
[INFO] [stderr]    Compiling ndarray-stats v0.6.0
[INFO] [stderr]    Compiling numpy v0.23.0
[INFO] [stderr]    Compiling vector_quantizer v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `trace` and `warn`
[INFO] [stdout]  --> src/pq.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use log::{info, trace, warn};
[INFO] [stdout]   |                 ^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PQResidualError` is never used
[INFO] [stdout]  --> src/errors.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum PQResidualError {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Codes3D` is never used
[INFO] [stdout]  --> src/pq_residual.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub enum Codes3D {
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PQResidual` is never constructed
[INFO] [stdout]   --> src/pq_residual.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct PQResidual {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SaveOptions` is never constructed
[INFO] [stdout]   --> src/pq_residual.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct SaveOptions {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_norms` is never used
[INFO] [stdout]   --> src/pq_residual.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn compute_norms(data: &ArrayView2<f32>) -> Vec<f32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `save_norms` is never used
[INFO] [stdout]   --> src/pq_residual.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn save_norms(norms: &[f32], path: &str) -> Result<(), io::Error> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `save_decoded_data` is never used
[INFO] [stdout]   --> src/pq_residual.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn save_decoded_data(data: &Array2<f32>, path: &str) -> Result<(), io::Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `try_new`, `fit`, `encode`, `decode`, and `compress` are never used
[INFO] [stdout]    --> src/pq_residual.rs:55:12
[INFO] [stdout]     |
[INFO] [stdout]  54 | impl PQResidual {
[INFO] [stdout]     | --------------- associated items in this implementation
[INFO] [stdout]  55 |     pub fn try_new(pqs: Vec<PQ>) -> Result<Self, PQResidualError> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  79 |     pub fn fit(
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 195 |     pub fn encode(&self, vecs: &Array2<f32>) -> Result<Codes3D, PQResidualError> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 244 |     pub fn decode(&self, codes: &Array3<u32>) -> Result<Array2<f32>, PQResidualError> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 273 |     pub fn compress(&self, X: &Array2<f32>) -> Result<Array2<f32>, PQResidualError> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_random_vectors` is never used
[INFO] [stdout]    --> src/utils.rs:134:8
[INFO] [stdout]     |
[INFO] [stdout] 134 | pub fn create_random_vectors(num_vectors: usize, dimension: usize) -> Array2<f32> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `D` should have a snake case name
[INFO] [stdout]    --> src/pq_residual.rs:171:25
[INFO] [stdout]     |
[INFO] [stdout] 171 |                     let D = d.ok_or(PQResidualError::MissingProductQuantizer)?;
[INFO] [stdout]     |                         ^ help: convert the identifier to snake case: `d`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/pq_residual.rs:273:28
[INFO] [stdout]     |
[INFO] [stdout] 273 |     pub fn compress(&self, X: &Array2<f32>) -> Result<Array2<f32>, PQResidualError> {
[INFO] [stdout]     |                            ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `trace` and `warn`
[INFO] [stdout]  --> src/pq.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use log::{info, trace, warn};
[INFO] [stdout]   |                 ^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SaveOptions` is never constructed
[INFO] [stdout]   --> src/pq_residual.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct SaveOptions {
[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 `compute_norms` is never used
[INFO] [stdout]   --> src/pq_residual.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn compute_norms(data: &ArrayView2<f32>) -> Vec<f32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `save_norms` is never used
[INFO] [stdout]   --> src/pq_residual.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn save_norms(norms: &[f32], path: &str) -> Result<(), io::Error> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `save_decoded_data` is never used
[INFO] [stdout]   --> src/pq_residual.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn save_decoded_data(data: &Array2<f32>, path: &str) -> Result<(), io::Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `D` should have a snake case name
[INFO] [stdout]    --> src/pq_residual.rs:171:25
[INFO] [stdout]     |
[INFO] [stdout] 171 |                     let D = d.ok_or(PQResidualError::MissingProductQuantizer)?;
[INFO] [stdout]     |                         ^ help: convert the identifier to snake case: `d`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/pq_residual.rs:273:28
[INFO] [stdout]     |
[INFO] [stdout] 273 |     pub fn compress(&self, X: &Array2<f32>) -> Result<Array2<f32>, PQResidualError> {
[INFO] [stdout]     |                            ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Axis`
[INFO] [stdout]  --> src/bin/example.rs:2:23
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ndarray::{Array2, Axis};
[INFO] [stdout]   |                       ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ks`
[INFO] [stdout]   --> src/bin/readme_example.rs:48:37
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn calc_compression_ratio(m: usize, ks: u32, dimension: usize) -> f64 {
[INFO] [stdout]    |                                     ^^ help: if this is intentional, prefix it with an underscore: `_ks`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `verbose`
[INFO] [stdout]   --> src/bin/example.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let verbose = Some(true);
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_verbose`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 12.81s
[INFO] running `Command { std: "docker" "inspect" "15601cb7fedc1efa6f1651bf251864adf8785a8db6e3c65d4f53d0a12bb63249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15601cb7fedc1efa6f1651bf251864adf8785a8db6e3c65d4f53d0a12bb63249", kill_on_drop: false }`
[INFO] [stdout] 15601cb7fedc1efa6f1651bf251864adf8785a8db6e3c65d4f53d0a12bb63249
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cced1a5dc944463097c60ae0e335d86d1b1653d779bceb2fd54d3b19b74e423f
[INFO] running `Command { std: "docker" "start" "-a" "cced1a5dc944463097c60ae0e335d86d1b1653d779bceb2fd54d3b19b74e423f", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `trace` and `warn`
[INFO] [stderr]  --> src/pq.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | use log::{info, trace, warn};
[INFO] [stderr]   |                 ^^^^^  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `PQResidualError` is never used
[INFO] [stderr]  --> src/errors.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub enum PQResidualError {
[INFO] [stderr]   |          ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Codes3D` is never used
[INFO] [stderr]  --> src/pq_residual.rs:8:10
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub enum Codes3D {
[INFO] [stderr]   |          ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `PQResidual` is never constructed
[INFO] [stderr]   --> src/pq_residual.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub struct PQResidual {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `SaveOptions` is never constructed
[INFO] [stderr]   --> src/pq_residual.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub struct SaveOptions {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `compute_norms` is never used
[INFO] [stderr]   --> src/pq_residual.rs:31:4
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn compute_norms(data: &ArrayView2<f32>) -> Vec<f32> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `save_norms` is never used
[INFO] [stderr]   --> src/pq_residual.rs:38:4
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn save_norms(norms: &[f32], path: &str) -> Result<(), io::Error> {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `save_decoded_data` is never used
[INFO] [stderr]   --> src/pq_residual.rs:46:4
[INFO] [stderr]    |
[INFO] [stderr] 46 | fn save_decoded_data(data: &Array2<f32>, path: &str) -> Result<(), io::Error> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `try_new`, `fit`, `encode`, `decode`, and `compress` are never used
[INFO] [stderr]    --> src/pq_residual.rs:55:12
[INFO] [stderr]     |
[INFO] [stderr]  54 | impl PQResidual {
[INFO] [stderr]     | --------------- associated items in this implementation
[INFO] [stderr]  55 |     pub fn try_new(pqs: Vec<PQ>) -> Result<Self, PQResidualError> {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  79 |     pub fn fit(
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 195 |     pub fn encode(&self, vecs: &Array2<f32>) -> Result<Codes3D, PQResidualError> {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 244 |     pub fn decode(&self, codes: &Array3<u32>) -> Result<Array2<f32>, PQResidualError> {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 273 |     pub fn compress(&self, X: &Array2<f32>) -> Result<Array2<f32>, PQResidualError> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `create_random_vectors` is never used
[INFO] [stderr]    --> src/utils.rs:134:8
[INFO] [stderr]     |
[INFO] [stderr] 134 | pub fn create_random_vectors(num_vectors: usize, dimension: usize) -> Array2<f32> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `D` should have a snake case name
[INFO] [stderr]    --> src/pq_residual.rs:171:25
[INFO] [stderr]     |
[INFO] [stderr] 171 |                     let D = d.ok_or(PQResidualError::MissingProductQuantizer)?;
[INFO] [stderr]     |                         ^ help: convert the identifier to snake case: `d`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X` should have a snake case name
[INFO] [stderr]    --> src/pq_residual.rs:273:28
[INFO] [stderr]     |
[INFO] [stderr] 273 |     pub fn compress(&self, X: &Array2<f32>) -> Result<Array2<f32>, PQResidualError> {
[INFO] [stderr]     |                            ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `SaveOptions` is never constructed
[INFO] [stderr]   --> src/pq_residual.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub struct SaveOptions {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `vector_quantizer` (lib) generated 12 warnings (run `cargo fix --lib -p vector_quantizer` to apply 1 suggestion)
[INFO] [stderr] warning: `vector_quantizer` (lib test) generated 7 warnings (6 duplicates)
[INFO] [stderr] warning: unused variable: `ks`
[INFO] [stderr]   --> src/bin/readme_example.rs:48:37
[INFO] [stderr]    |
[INFO] [stderr] 48 | fn calc_compression_ratio(m: usize, ks: u32, dimension: usize) -> f64 {
[INFO] [stderr]    |                                     ^^ help: if this is intentional, prefix it with an underscore: `_ks`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Axis`
[INFO] [stderr]  --> src/bin/example.rs:2:23
[INFO] [stderr]   |
[INFO] [stderr] 2 | use ndarray::{Array2, Axis};
[INFO] [stderr]   |                       ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `verbose`
[INFO] [stderr]   --> src/bin/example.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let verbose = Some(true);
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_verbose`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `vector_quantizer` (bin "readme_example" test) generated 1 warning (run `cargo fix --bin "readme_example" -p vector_quantizer --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `vector_quantizer` (bin "example" test) generated 2 warnings (run `cargo fix --bin "example" -p vector_quantizer --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/vector_quantizer-8aa1b2aee23c962f)
[INFO] [stdout] 
[INFO] [stdout] running 44 tests
[INFO] [stdout] test pq::tests::test_encode_code_dtype_u16_overflow ... ok
[INFO] [stdout] test pq::tests::test_encode_without_fit ... ok
[INFO] [stdout] test pq::tests::test_fit_zero_dimensions ... ok
[INFO] [stdout] test pq::tests::test_fit_vectors_less_than_ks ... ok
[INFO] [stdout] test pq::tests::test_try_new_invalid_ks_max ... ok
[INFO] [stdout] test pq::tests::test_fit_m_greater_than_dimensions ... ok
[INFO] [stdout] test pq::tests::test_try_new_invalid_m_zero ... ok
[INFO] [stdout] test pq_residual::tests::test_decode_error_wrong_dimensions ... ok
[INFO] [stdout] test pq_residual::tests::test_error_before_fit ... ok
[INFO] [stdout] test pq_residual::tests::test_fit_with_zero_dimensions ... ok
[INFO] [stdout] test pq_residual::tests::test_fit_with_zero_samples ... ok
[INFO] [stdout] test pq_residual::tests::test_try_new_multiple_pqs ... ok
[INFO] [stdout] test pq_residual::tests::test_try_new_single_pq ... ok
[INFO] [stdout] test utils::tests::test_check_convergence_function ... ok
[INFO] [stdout] test pq::tests::test_try_new_invalid_ks_zero ... ok
[INFO] [stdout] test utils::tests::test_kmeans_clusters_exceed_samples ... ok
[INFO] [stdout] test utils::tests::test_kmeans_empty_dataset ... ok
[INFO] [stdout] test utils::tests::test_kmeans_infinite_values ... ok
[INFO] [stdout] test utils::tests::test_kmeans_invalid_minit ... ok
[INFO] [stdout] test pq_residual::tests::test_try_new_empty_pqs ... ok
[INFO] [stdout] test utils::tests::test_kmeans_nan_values ... ok
[INFO] [stdout] test pq::tests::test_dump_and_load ... FAILED
[INFO] [stdout] test utils::tests::test_kmeans_no_convergence ... ok
[INFO] [stdout] test utils::tests::test_kmeans_identical_points ... ok
[INFO] [stdout] test utils::tests::test_kmeans_single_sample ... ok
[INFO] [stdout] test utils::tests::test_kmeans_unsupported_minit ... ok
[INFO] [stdout] test utils::tests::test_kmeans_zero_clusters ... ok
[INFO] [stdout] test utils::tests::test_kmeans_zero_features ... ok
[INFO] [stdout] test utils::tests::test_kmeans_zero_iterations ... ok
[INFO] [stdout] test utils::tests::test_kmeans_non_uniform_cluster_sizes ... ok
[INFO] [stdout] test pq::tests::test_encode_code_dtype_u8_overflow ... ok
[INFO] [stdout] test pq::tests::test_encode_code_dtype_u8_valid ... ok
[INFO] [stdout] test utils::tests::test_kmeans_high_dimensional_data ... ok
[INFO] [stdout] test pq_residual::tests::test_encode_decode_round_trip ... ok
[INFO] [stdout] test pq_residual::tests::test_fit_with_small_data ... ok
[INFO] [stdout] test pq::tests::test_encode_mismatched_dimensions ... ok
[INFO] [stdout] test utils::tests::test_kmeans_many_clusters ... ok
[INFO] [stdout] test pq_residual::tests::test_compress ... ok
[INFO] [stdout] test utils::tests::test_kmeans_duplicate_points ... ok
[INFO] [stdout] test utils::tests::test_kmeans_negative_values ... ok
[INFO] [stdout] test pq::tests::test_decode_code_value_exceeds_ks ... ok
[INFO] [stdout] test pq::tests::test_decode_invalid_code_m ... ok
[INFO] [stdout] test pq::tests::test_compress ... ok
[INFO] [stdout] test pq::tests::test_dump_and_load_large has been running for over 60 seconds
[INFO] [stdout] test pq::tests::test_dump_and_load_large ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- pq::tests::test_dump_and_load stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'pq::tests::test_dump_and_load' (28) panicked at src/pq.rs:423:23:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: IoError
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x57fb4d7b00b2 - std::backtrace_rs::backtrace::libunwind::trace::h16acf28769fcd909
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x57fb4d7b00b2 - std::backtrace_rs::backtrace::trace_unsynchronized::hb5541aa5d4f92513
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x57fb4d7b00b2 - std::sys::backtrace::_print_fmt::h8ac8268cb667a306
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x57fb4d7b00b2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h47627beda0767f4c
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x57fb4d7c110f - core::fmt::rt::Argument::fmt::h686a01ad57c1c92a
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x57fb4d7c110f - core::fmt::write::h8a63064c67176fd8
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x57fb4d77d313 - std::io::default_write_fmt::hd4797e693c0ec256
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x57fb4d77d313 - std::io::Write::write_fmt::h791e240ad2720c99
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x57fb4d7895a2 - std::sys::backtrace::BacktraceLock::print::h4634d27c0afbaebb
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x57fb4d78e26f - std::panicking::default_hook::{{closure}}::h23e0299d4738b766
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x57fb4d78e101 - std::panicking::default_hook::hfeec6294e8751b62
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x57fb4d6e1d1e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h3f5a16438cee2b4e
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/alloc/src/boxed.rs:2019:9
[INFO] [stdout]   12:     0x57fb4d6e1d1e - test::test_main_with_exit_callback::{{closure}}::h9214498cef9aafc5
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x57fb4d78e92f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hdb18da3e68df7464
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/alloc/src/boxed.rs:2019:9
[INFO] [stdout]   14:     0x57fb4d78e92f - std::panicking::panic_with_hook::hd57cd463d793ed79
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x57fb4d78e6da - std::panicking::panic_handler::{{closure}}::hddd6216c3fddee3b
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x57fb4d7896d9 - std::sys::backtrace::__rust_end_short_backtrace::h5e7a56f283378525
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x57fb4d771a4d - __rustc[256c90bb7e548b45]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x57fb4d7c8cc0 - core::panicking::panic_fmt::hf19c198748ef6a95
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x57fb4d7c81f6 - core::result::unwrap_failed::he81173b5792ad6b0
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/result.rs:1862:5
[INFO] [stdout]   20:     0x57fb4d68641f - core::result::Result<T,E>::unwrap::h64ff94cbdb5728dd
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x57fb4d68641f - vector_quantizer::pq::tests::test_dump_and_load::ha2134335d7422813
[INFO] [stdout]                                at /opt/rustwide/workdir/src/pq.rs:423:23
[INFO] [stdout]   22:     0x57fb4d686d37 - vector_quantizer::pq::tests::test_dump_and_load::{{closure}}::hf281bc8d42de9295
[INFO] [stdout]                                at /opt/rustwide/workdir/src/pq.rs:412:28
[INFO] [stdout]   23:     0x57fb4d6776b6 - core::ops::function::FnOnce::call_once::hbbee62775329e502
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x57fb4d6e1b6b - core::ops::function::FnOnce::call_once::h43f43c5185cf39c2
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x57fb4d6e1b6b - test::__rust_begin_short_backtrace::hc4fa634eb2764bdc
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x57fb4d6f6188 - test::run_test_in_process::{{closure}}::h9f4b799a5211b72a
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x57fb4d6f6188 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::ha572bf7dc5230a8f
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x57fb4d6f6188 - std::panicking::catch_unwind::do_call::hfd6ff51f25dd177b
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x57fb4d6f6188 - std::panicking::catch_unwind::h8609b446221def5f
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x57fb4d6f6188 - std::panic::catch_unwind::h362f73cc48531e26
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x57fb4d6f6188 - test::run_test_in_process::hf52fd21d696aae67
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x57fb4d6f6188 - test::run_test::{{closure}}::h7e780b8354e6d007
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x57fb4d6cef54 - test::run_test::{{closure}}::hdc2695f2276aad3e
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x57fb4d6cef54 - std::sys::backtrace::__rust_begin_short_backtrace::h2555b2113ed90fc9
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x57fb4d6d288a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h99800d480987dfb6
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   36:     0x57fb4d6d288a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hbbb69b5294b2221b
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x57fb4d6d288a - std::panicking::catch_unwind::do_call::h495689350c27df20
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x57fb4d6d288a - std::panicking::catch_unwind::hf22437c51d1b3740
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x57fb4d6d288a - std::panic::catch_unwind::habda1a57de8231f8
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x57fb4d6d288a - std::thread::Builder::spawn_unchecked_::{{closure}}::h5833d8dda8c7e80b
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   41:     0x57fb4d6d288a - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2910283a5058402
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x57fb4d7849cf - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::he4d85cb537521972
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/alloc/src/boxed.rs:2005:9
[INFO] [stdout]   43:     0x57fb4d7849cf - std::sys::thread::unix::Thread::new::thread_start::hbaf586a9e50a98cd
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/thread/unix.rs:126:17
[INFO] [stdout]   44:     0x7607ffd49aa4 - <unknown>
[INFO] [stdout]   45:     0x7607ffdd6a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- pq::tests::test_dump_and_load_large stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'pq::tests::test_dump_and_load_large' (30) panicked at src/pq.rs:475:23:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: IoError
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x57fb4d7b00b2 - std::backtrace_rs::backtrace::libunwind::trace::h16acf28769fcd909
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x57fb4d7b00b2 - std::backtrace_rs::backtrace::trace_unsynchronized::hb5541aa5d4f92513
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x57fb4d7b00b2 - std::sys::backtrace::_print_fmt::h8ac8268cb667a306
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x57fb4d7b00b2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h47627beda0767f4c
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x57fb4d7c110f - core::fmt::rt::Argument::fmt::h686a01ad57c1c92a
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x57fb4d7c110f - core::fmt::write::h8a63064c67176fd8
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x57fb4d77d313 - std::io::default_write_fmt::hd4797e693c0ec256
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x57fb4d77d313 - std::io::Write::write_fmt::h791e240ad2720c99
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x57fb4d7895a2 - std::sys::backtrace::BacktraceLock::print::h4634d27c0afbaebb
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x57fb4d78e26f - std::panicking::default_hook::{{closure}}::h23e0299d4738b766
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x57fb4d78e101 - std::panicking::default_hook::hfeec6294e8751b62
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x57fb4d6e1d1e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h3f5a16438cee2b4e
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/alloc/src/boxed.rs:2019:9
[INFO] [stdout]   12:     0x57fb4d6e1d1e - test::test_main_with_exit_callback::{{closure}}::h9214498cef9aafc5
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x57fb4d78e92f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hdb18da3e68df7464
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/alloc/src/boxed.rs:2019:9
[INFO] [stdout]   14:     0x57fb4d78e92f - std::panicking::panic_with_hook::hd57cd463d793ed79
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x57fb4d78e6da - std::panicking::panic_handler::{{closure}}::hddd6216c3fddee3b
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x57fb4d7896d9 - std::sys::backtrace::__rust_end_short_backtrace::h5e7a56f283378525
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x57fb4d771a4d - __rustc[256c90bb7e548b45]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x57fb4d7c8cc0 - core::panicking::panic_fmt::hf19c198748ef6a95
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x57fb4d7c81f6 - core::result::unwrap_failed::he81173b5792ad6b0
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/result.rs:1862:5
[INFO] [stdout]   20:     0x57fb4d687394 - core::result::Result<T,E>::unwrap::h64ff94cbdb5728dd
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x57fb4d687394 - vector_quantizer::pq::tests::test_dump_and_load_large::h09a9b9996db879ed
[INFO] [stdout]                                at /opt/rustwide/workdir/src/pq.rs:475:23
[INFO] [stdout]   22:     0x57fb4d687e77 - vector_quantizer::pq::tests::test_dump_and_load_large::{{closure}}::hd36f7a9661cd4eee
[INFO] [stdout]                                at /opt/rustwide/workdir/src/pq.rs:455:34
[INFO] [stdout]   23:     0x57fb4d677716 - core::ops::function::FnOnce::call_once::hc16b9a388764798c
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x57fb4d6e1b6b - core::ops::function::FnOnce::call_once::h43f43c5185cf39c2
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x57fb4d6e1b6b - test::__rust_begin_short_backtrace::hc4fa634eb2764bdc
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x57fb4d6f6188 - test::run_test_in_process::{{closure}}::h9f4b799a5211b72a
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x57fb4d6f6188 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::ha572bf7dc5230a8f
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x57fb4d6f6188 - std::panicking::catch_unwind::do_call::hfd6ff51f25dd177b
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x57fb4d6f6188 - std::panicking::catch_unwind::h8609b446221def5f
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x57fb4d6f6188 - std::panic::catch_unwind::h362f73cc48531e26
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x57fb4d6f6188 - test::run_test_in_process::hf52fd21d696aae67
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x57fb4d6f6188 - test::run_test::{{closure}}::h7e780b8354e6d007
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x57fb4d6cef54 - test::run_test::{{closure}}::hdc2695f2276aad3e
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x57fb4d6cef54 - std::sys::backtrace::__rust_begin_short_backtrace::h2555b2113ed90fc9
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x57fb4d6d288a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h99800d480987dfb6
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   36:     0x57fb4d6d288a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hbbb69b5294b2221b
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x57fb4d6d288a - std::panicking::catch_unwind::do_call::h495689350c27df20
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x57fb4d6d288a - std::panicking::catch_unwind::hf22437c51d1b3740
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x57fb4d6d288a - std::panic::catch_unwind::habda1a57de8231f8
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x57fb4d6d288a - std::thread::Builder::spawn_unchecked_::{{closure}}::h5833d8dda8c7e80b
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   41:     0x57fb4d6d288a - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2910283a5058402
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x57fb4d7849cf - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::he4d85cb537521972
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/alloc/src/boxed.rs:2005:9
[INFO] [stdout]   43:     0x57fb4d7849cf - std::sys::thread::unix::Thread::new::thread_start::hbaf586a9e50a98cd
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/thread/unix.rs:126:17
[INFO] [stdout]   44:     0x7607ffd49aa4 - <unknown>
[INFO] [stdout]   45:     0x7607ffdd6a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     pq::tests::test_dump_and_load
[INFO] [stdout]     pq::tests::test_dump_and_load_large
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 42 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 267.87s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "cced1a5dc944463097c60ae0e335d86d1b1653d779bceb2fd54d3b19b74e423f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cced1a5dc944463097c60ae0e335d86d1b1653d779bceb2fd54d3b19b74e423f", kill_on_drop: false }`
[INFO] [stdout] cced1a5dc944463097c60ae0e335d86d1b1653d779bceb2fd54d3b19b74e423f
