[INFO] fetching crate vector_quantizer 0.0.3...
[INFO] testing vector_quantizer-0.0.3 against 1.90.0 for beta-1.91-2
[INFO] extracting crate vector_quantizer 0.0.3 into /workspace/builds/worker-3-tc1/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-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vector_quantizer 0.0.3 on toolchain 1.90.0
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[INFO] crate crates.io crate vector_quantizer 0.0.3 already has a lockfile, it will not be regenerated
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[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)]` 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)]` 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)]` 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)]` 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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.23s
[INFO] running `Command { std: "docker" "inspect" "25d79a1c8aeff08291087cf8930fc584737660e6c1691defc52710bd565ed223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25d79a1c8aeff08291087cf8930fc584737660e6c1691defc52710bd565ed223", kill_on_drop: false }`
[INFO] [stdout] 25d79a1c8aeff08291087cf8930fc584737660e6c1691defc52710bd565ed223
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0514953139b96b2f8fab91bb0bf488fa0aca4894d4232a13a74f01a9619ffd9
[INFO] running `Command { std: "docker" "start" "-a" "f0514953139b96b2f8fab91bb0bf488fa0aca4894d4232a13a74f01a9619ffd9", kill_on_drop: false }`
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling clap_lex v0.7.3
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling tinytemplate v1.2.1
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[INFO] [stderr]    Compiling oorandom v11.1.4
[INFO] [stderr]    Compiling clap_builder v4.5.21
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[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)]` 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)]` 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)]` 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)]` 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)]` 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)]` 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)]` 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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 15.22s
[INFO] running `Command { std: "docker" "inspect" "f0514953139b96b2f8fab91bb0bf488fa0aca4894d4232a13a74f01a9619ffd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0514953139b96b2f8fab91bb0bf488fa0aca4894d4232a13a74f01a9619ffd9", kill_on_drop: false }`
[INFO] [stdout] f0514953139b96b2f8fab91bb0bf488fa0aca4894d4232a13a74f01a9619ffd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f5eea90135525b8f876e98152ee97d92ded14b03abd96d1c5c9ff7d86e69c53e
[INFO] running `Command { std: "docker" "start" "-a" "f5eea90135525b8f876e98152ee97d92ded14b03abd96d1c5c9ff7d86e69c53e", 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)]` 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)]` 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)]` 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)]` 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)]` 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)]` 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)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `vector_quantizer` (bin "readme_example" test) generated 1 warning
[INFO] [stderr] warning: `vector_quantizer` (bin "example" test) generated 2 warnings (run `cargo fix --bin "example" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/vector_quantizer-efc6270619f31bd6)
[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_fit_vectors_less_than_ks ... ok
[INFO] [stdout] test pq::tests::test_encode_without_fit ... ok
[INFO] [stdout] test pq::tests::test_try_new_invalid_ks_zero ... 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::tests::test_try_new_invalid_ks_max ... ok
[INFO] [stdout] test pq_residual::tests::test_fit_with_zero_samples ... ok
[INFO] [stdout] test pq::tests::test_fit_zero_dimensions ... ok
[INFO] [stdout] test pq_residual::tests::test_try_new_empty_pqs ... ok
[INFO] [stdout] test pq_residual::tests::test_try_new_multiple_pqs ... 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 pq_residual::tests::test_try_new_single_pq ... ok
[INFO] [stdout] test utils::tests::test_check_convergence_function ... ok
[INFO] [stdout] test pq_residual::tests::test_fit_with_zero_dimensions ... ok
[INFO] [stdout] test utils::tests::test_kmeans_invalid_minit ... ok
[INFO] [stdout] test utils::tests::test_kmeans_infinite_values ... ok
[INFO] [stdout] test utils::tests::test_kmeans_nan_values ... ok
[INFO] [stdout] test pq::tests::test_dump_and_load ... FAILED
[INFO] [stdout] test pq_residual::tests::test_encode_decode_round_trip ... ok
[INFO] [stdout] test utils::tests::test_kmeans_non_uniform_cluster_sizes ... 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_negative_values ... ok
[INFO] [stdout] test utils::tests::test_kmeans_high_dimensional_data ... ok
[INFO] [stdout] test pq::tests::test_encode_code_dtype_u8_overflow ... ok
[INFO] [stdout] test utils::tests::test_kmeans_no_convergence ... ok
[INFO] [stdout] test pq_residual::tests::test_compress ... ok
[INFO] [stdout] test utils::tests::test_kmeans_identical_points ... ok
[INFO] [stdout] test utils::tests::test_kmeans_many_clusters ... ok
[INFO] [stdout] test pq::tests::test_encode_code_dtype_u8_valid ... ok
[INFO] [stdout] test pq_residual::tests::test_fit_with_small_data ... ok
[INFO] [stdout] test pq::tests::test_decode_invalid_code_m ... ok
[INFO] [stdout] test utils::tests::test_kmeans_duplicate_points ... ok
[INFO] [stdout] test pq::tests::test_decode_code_value_exceeds_ks ... ok
[INFO] [stdout] test pq::tests::test_encode_mismatched_dimensions ... 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' panicked at src/pq.rs:423:23:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: IoError
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5760e0983002 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5760e0983002 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5760e0983002 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5760e0983002 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5760e09a9623 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5760e09a9623 - core::fmt::write::h8a494366950f23bb
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5760e097fcf3 - std::io::default_write_fmt::h7b8824096454f323
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5760e097fcf3 - std::io::Write::write_fmt::h4e71294925c334d0
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5760e0982e52 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5760e0984639 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5760e098446e - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5760e08da074 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb6bd65493727d71a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5760e08da074 - test::test_main_with_exit_callback::{{closure}}::h60217ec76a0ece4a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5760e098510e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h318e4efb8c1a5689
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5760e098510e - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5760e0984dda - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x5760e0983509 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5760e0984a6d - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5760e09a7910 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5760e09a7dc6 - core::result::unwrap_failed::h95bc3f5a607b2c95
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1765:5
[INFO] [stdout]   20:     0x5760e087727f - core::result::Result<T,E>::unwrap::h572ee129341e3fd5
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1167:23
[INFO] [stdout]   21:     0x5760e087727f - vector_quantizer::pq::tests::test_dump_and_load::ha61c9d50558341a5
[INFO] [stdout]                                at /opt/rustwide/workdir/src/pq.rs:423:23
[INFO] [stdout]   22:     0x5760e0876d47 - vector_quantizer::pq::tests::test_dump_and_load::{{closure}}::ha454a235b4b26501
[INFO] [stdout]                                at /opt/rustwide/workdir/src/pq.rs:412:28
[INFO] [stdout]   23:     0x5760e08956a6 - core::ops::function::FnOnce::call_once::h81016c45708bd463
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   24:     0x5760e08df8db - core::ops::function::FnOnce::call_once::h1f9474f1347fff52
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   25:     0x5760e08df8db - test::__rust_begin_short_backtrace::ha52ab26e77157f03
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x5760e08dea15 - test::run_test_in_process::{{closure}}::h229c1a11a50b261f
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x5760e08dea15 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h78821afbf97b39a9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x5760e08dea15 - std::panicking::catch_unwind::do_call::h53abf3ed5bd32ba3
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x5760e08dea15 - std::panicking::catch_unwind::h6deb5fe1e91873c9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x5760e08dea15 - std::panic::catch_unwind::hea0829b6b565654b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5760e08dea15 - test::run_test_in_process::hdc44dfecea3db21b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x5760e08dea15 - test::run_test::{{closure}}::h0364ba59bf23f652
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x5760e08a2614 - test::run_test::{{closure}}::h32730b304eec05da
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x5760e08a2614 - std::sys::backtrace::__rust_begin_short_backtrace::h177cb952fc54ad2c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x5760e08a5fea - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h119d903520007597
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x5760e08a5fea - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hab88401d606702a6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5760e08a5fea - std::panicking::catch_unwind::do_call::h163fe12cca9901c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x5760e08a5fea - std::panicking::catch_unwind::he81557d0e17cc1bc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x5760e08a5fea - std::panic::catch_unwind::hc2b8e79c20593955
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5760e08a5fea - std::thread::Builder::spawn_unchecked_::{{closure}}::hfa6b4978e07815cc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x5760e08a5fea - core::ops::function::FnOnce::call_once{{vtable.shim}}::hddcd7484a13fd793
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   42:     0x5760e098821f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5924238c754de3b8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x5760e098821f - std::sys::pal::unix::thread::Thread::new::thread_start::hb6e99e73da4d28f8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   44:     0x7cf2a4ca5aa4 - <unknown>
[INFO] [stdout]   45:     0x7cf2a4d32a34 - 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' panicked at src/pq.rs:475:23:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: IoError
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5760e0983002 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5760e0983002 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5760e0983002 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5760e0983002 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5760e09a9623 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5760e09a9623 - core::fmt::write::h8a494366950f23bb
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5760e097fcf3 - std::io::default_write_fmt::h7b8824096454f323
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5760e097fcf3 - std::io::Write::write_fmt::h4e71294925c334d0
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5760e0982e52 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5760e0984639 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5760e098446e - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5760e08da074 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb6bd65493727d71a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5760e08da074 - test::test_main_with_exit_callback::{{closure}}::h60217ec76a0ece4a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5760e098510e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h318e4efb8c1a5689
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5760e098510e - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5760e0984dda - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x5760e0983509 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5760e0984a6d - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5760e09a7910 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5760e09a7dc6 - core::result::unwrap_failed::h95bc3f5a607b2c95
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1765:5
[INFO] [stdout]   20:     0x5760e0877f64 - core::result::Result<T,E>::unwrap::h572ee129341e3fd5
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1167:23
[INFO] [stdout]   21:     0x5760e0877f64 - vector_quantizer::pq::tests::test_dump_and_load_large::h80e739111828cb47
[INFO] [stdout]                                at /opt/rustwide/workdir/src/pq.rs:475:23
[INFO] [stdout]   22:     0x5760e0877b97 - vector_quantizer::pq::tests::test_dump_and_load_large::{{closure}}::hb2b11a3c72132d29
[INFO] [stdout]                                at /opt/rustwide/workdir/src/pq.rs:455:34
[INFO] [stdout]   23:     0x5760e0895bd6 - core::ops::function::FnOnce::call_once::he2fbb117a5db9428
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   24:     0x5760e08df8db - core::ops::function::FnOnce::call_once::h1f9474f1347fff52
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   25:     0x5760e08df8db - test::__rust_begin_short_backtrace::ha52ab26e77157f03
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x5760e08dea15 - test::run_test_in_process::{{closure}}::h229c1a11a50b261f
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x5760e08dea15 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h78821afbf97b39a9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x5760e08dea15 - std::panicking::catch_unwind::do_call::h53abf3ed5bd32ba3
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x5760e08dea15 - std::panicking::catch_unwind::h6deb5fe1e91873c9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x5760e08dea15 - std::panic::catch_unwind::hea0829b6b565654b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5760e08dea15 - test::run_test_in_process::hdc44dfecea3db21b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x5760e08dea15 - test::run_test::{{closure}}::h0364ba59bf23f652
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x5760e08a2614 - test::run_test::{{closure}}::h32730b304eec05da
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x5760e08a2614 - std::sys::backtrace::__rust_begin_short_backtrace::h177cb952fc54ad2c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x5760e08a5fea - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h119d903520007597
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x5760e08a5fea - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hab88401d606702a6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5760e08a5fea - std::panicking::catch_unwind::do_call::h163fe12cca9901c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x5760e08a5fea - std::panicking::catch_unwind::he81557d0e17cc1bc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x5760e08a5fea - std::panic::catch_unwind::hc2b8e79c20593955
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5760e08a5fea - std::thread::Builder::spawn_unchecked_::{{closure}}::hfa6b4978e07815cc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x5760e08a5fea - core::ops::function::FnOnce::call_once{{vtable.shim}}::hddcd7484a13fd793
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   42:     0x5760e098821f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5924238c754de3b8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x5760e098821f - std::sys::pal::unix::thread::Thread::new::thread_start::hb6e99e73da4d28f8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   44:     0x7cf2a4ca5aa4 - <unknown>
[INFO] [stdout]   45:     0x7cf2a4d32a34 - 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 293.57s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "f5eea90135525b8f876e98152ee97d92ded14b03abd96d1c5c9ff7d86e69c53e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5eea90135525b8f876e98152ee97d92ded14b03abd96d1c5c9ff7d86e69c53e", kill_on_drop: false }`
[INFO] [stdout] f5eea90135525b8f876e98152ee97d92ded14b03abd96d1c5c9ff7d86e69c53e
