[INFO] fetching crate sukker 2.1.3...
[INFO] testing sukker-2.1.3 against 1.95.0 for beta-1.96-2
[INFO] extracting crate sukker 2.1.3 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate sukker 2.1.3
[INFO] finished tweaking crates.io crate sukker 2.1.3
[INFO] tweaked toml for crates.io crate sukker 2.1.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sukker 2.1.3 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sukker 2.1.3 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anstyle v1.0.0
[INFO] [stderr]   Downloaded hermit-abi v0.3.1
[INFO] [stderr]   Downloaded quote v1.0.28
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[INFO] [stderr]   Downloaded plotters v0.3.4
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0113fee5b9215374d79fe538e4fccb0cde7e8492eb2e47541cf601bad7db351c
[INFO] running `Command { std: "docker" "start" "-a" "0113fee5b9215374d79fe538e4fccb0cde7e8492eb2e47541cf601bad7db351c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0113fee5b9215374d79fe538e4fccb0cde7e8492eb2e47541cf601bad7db351c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0113fee5b9215374d79fe538e4fccb0cde7e8492eb2e47541cf601bad7db351c", kill_on_drop: false }`
[INFO] [stdout] 0113fee5b9215374d79fe538e4fccb0cde7e8492eb2e47541cf601bad7db351c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2a6e803ccffa651822f620407805d47933fa4a1a8fbcba7cec68794883b0c4d
[INFO] running `Command { std: "docker" "start" "-a" "e2a6e803ccffa651822f620407805d47933fa4a1a8fbcba7cec68794883b0c4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rayon v1.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.164
[INFO] [stderr]    Compiling sukker v2.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `IntoParallelIterator` and `IntoParallelRefIterator`
[INFO] [stdout]   --> src/common.rs:15:22
[INFO] [stdout]    |
[INFO] [stdout] 15 | use rayon::prelude::{IntoParallelIterator, IntoParallelRefIterator};
[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 import: `crate::Matrix`
[INFO] [stdout]   --> src/common.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use crate::Matrix;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arch::is_aarch64_feature_detected`
[INFO] [stdout]  --> src/matrix/optim.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{arch::is_aarch64_feature_detected, error::Error, str::FromStr};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `x86-64`
[INFO] [stdout]   --> src/matrix/optim.rs:12:36
[INFO] [stdout]    |
[INFO] [stdout] 12 |     #[cfg(any(target_arch = "x86", target_arch = "x86-64"))]
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^--------
[INFO] [stdout]    |                                                  |
[INFO] [stdout]    |                                                  help: there is a expected value with a similar name: `"x86_64"`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `target_arch` are: `aarch64`, `amdgpu`, `arm`, `arm64ec`, `avr`, `bpf`, `csky`, `hexagon`, `loongarch32`, `loongarch64`, `m68k`, `mips`, `mips32r6`, `mips64`, `mips64r6`, `msp430`, `nvptx64`, `powerpc`, `powerpc64`, `riscv32`, `riscv64`, `s390x`, `sparc`, `sparc64`, `wasm32`, `wasm64`, `x86`, `x86_64`, and `xtensa`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `_MM_HINT_NTA`, `__m128d`, `_mm256_add_epi64`, `_mm_add_pd`, `_mm_load_pd`, `_mm_mul_pd`, `_mm_prefetch`, `_mm_store_pd`, and `_mm_unpacklo_pd`
[INFO] [stdout]   --> src/matrix/optim.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         __m128d, _mm256_add_epi64, _mm_add_pd, _mm_load_pd, _mm_mul_pd, _mm_prefetch, _mm_store_pd,
[INFO] [stdout]    |         ^^^^^^^  ^^^^^^^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 51 |         _mm_unpacklo_pd, _MM_HINT_NTA,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `at`
[INFO] [stdout]   --> src/macros.rs:24:16
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub(crate) use at;
[INFO] [stdout]    |                ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `smd`
[INFO] [stdout]   --> src/macros.rs:25:16
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub(crate) use smd;
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `real::Real`
[INFO] [stdout]   --> src/matrix/mod.rs:23:23
[INFO] [stdout]    |
[INFO] [stdout] 23 | use num_traits::{pow, real::Real, sign::abs, Float};
[INFO] [stdout]    |                       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/matrix/helper.rs:229:21
[INFO] [stdout]     |
[INFO] [stdout] 229 |     fn summa(&self, other: &Self, block_size: usize) -> Self {
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_size`
[INFO] [stdout]    --> src/matrix/helper.rs:229:35
[INFO] [stdout]     |
[INFO] [stdout] 229 |     fn summa(&self, other: &Self, block_size: usize) -> Self {
[INFO] [stdout]     |                                   ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lhs`
[INFO] [stdout]  --> src/matrix/optim.rs:7:32
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn get_optimized_matmul<T>(lhs: Matrix<T>, other: Matrix<T>)
[INFO] [stdout]   |                                ^^^ help: if this is intentional, prefix it with an underscore: `_lhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]  --> src/matrix/optim.rs:7:48
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn get_optimized_matmul<T>(lhs: Matrix<T>, other: Matrix<T>)
[INFO] [stdout]   |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lhs`
[INFO] [stdout]   --> src/matrix/optim.rs:41:29
[INFO] [stdout]    |
[INFO] [stdout] 41 | unsafe fn avx_matmul<'a, T>(lhs: &Matrix<'a, T>, other: &Matrix<'a, T>) -> Matrix<'a, T>
[INFO] [stdout]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_lhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/matrix/optim.rs:41:50
[INFO] [stdout]    |
[INFO] [stdout] 41 | unsafe fn avx_matmul<'a, T>(lhs: &Matrix<'a, T>, other: &Matrix<'a, T>) -> Matrix<'a, T>
[INFO] [stdout]    |                                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/matrix/mod.rs:987:21
[INFO] [stdout]     |
[INFO] [stdout] 987 |                 let mut highest: T = T::one();
[INFO] [stdout]     |                     ----^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/matrix/mod.rs:1010:21
[INFO] [stdout]      |
[INFO] [stdout] 1010 |                 let mut highest: T = T::one();
[INFO] [stdout]      |                     ----^^^^^^^
[INFO] [stdout]      |                     |
[INFO] [stdout]      |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/matrix/mod.rs:1053:21
[INFO] [stdout]      |
[INFO] [stdout] 1053 |                 let mut lowest: T = T::zero();
[INFO] [stdout]      |                     ----^^^^^^
[INFO] [stdout]      |                     |
[INFO] [stdout]      |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/matrix/mod.rs:1077:21
[INFO] [stdout]      |
[INFO] [stdout] 1077 |                 let mut lowest: T = T::zero();
[INFO] [stdout]      |                     ----^^^^^^
[INFO] [stdout]      |                     |
[INFO] [stdout]      |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `argmax` and `argmin` are never used
[INFO] [stdout]     --> src/matrix/mod.rs:980:8
[INFO] [stdout]      |
[INFO] [stdout]  575 | / impl<'a, T> Matrix<'a, T>
[INFO] [stdout]  576 | | where
[INFO] [stdout]  577 | |     T: MatrixElement + Div<Output = T> + Sum<T>,
[INFO] [stdout]  578 | |     <T as FromStr>::Err: Error + 'static,
[INFO] [stdout]  579 | |     Vec<T>: IntoParallelIterator,
[INFO] [stdout]  580 | |     Vec<&'a T>: IntoParallelRefIterator<'a>,
[INFO] [stdout]      | |____________________________________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  980 |       fn argmax(&self, rowcol: usize, dimension: Dimension) -> Option<Shape> {
[INFO] [stdout]      |          ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1046 |       fn argmin(&self, rowcol: usize, dimension: Dimension) -> Option<Shape> {
[INFO] [stdout]      |          ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `summa` and `naive` are never used
[INFO] [stdout]    --> src/matrix/helper.rs:229:8
[INFO] [stdout]     |
[INFO] [stdout]  14 | / impl<'a, T> Matrix<'a, T>
[INFO] [stdout]  15 | | where
[INFO] [stdout]  16 | |     T: MatrixElement + 'a,
[INFO] [stdout]  17 | |     <T as FromStr>::Err: Error + 'static,
[INFO] [stdout]  18 | |     Vec<T>: IntoParallelIterator,
[INFO] [stdout]  19 | |     Vec<&'a T>: IntoParallelRefIterator<'a>,
[INFO] [stdout]     | |____________________________________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 229 |       fn summa(&self, other: &Self, block_size: usize) -> Self {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 235 |       fn naive(&self, other: &Self) -> Self {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_optimized_matmul` is never used
[INFO] [stdout]  --> src/matrix/optim.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn get_optimized_matmul<T>(lhs: Matrix<T>, other: Matrix<T>)
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `avx_matmul` is never used
[INFO] [stdout]   --> src/matrix/optim.rs:41:11
[INFO] [stdout]    |
[INFO] [stdout] 41 | unsafe fn avx_matmul<'a, T>(lhs: &Matrix<'a, T>, other: &Matrix<'a, T>) -> Matrix<'a, T>
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `find_all` and `positions` are never used
[INFO] [stdout]     --> src/sparse/mod.rs:1415:8
[INFO] [stdout]      |
[INFO] [stdout] 1288 | / impl<'a, T> SparseMatrix<'a, T>
[INFO] [stdout] 1289 | | where
[INFO] [stdout] 1290 | |     T: MatrixElement,
[INFO] [stdout] 1291 | |     <T as FromStr>::Err: Error + 'static,
[INFO] [stdout] 1292 | |     Vec<T>: IntoParallelIterator,
[INFO] [stdout] 1293 | |     Vec<&'a T>: IntoParallelRefIterator<'a>,
[INFO] [stdout]      | |____________________________________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 1415 |       fn find_all<F>(&self, pred: F) -> Option<Vec<T>>
[INFO] [stdout]      |          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1458 |       fn positions<F>(&self, pred: F) -> Option<Vec<Shape>>
[INFO] [stdout]      |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/matrix/mod.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |         write!(f, "[");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 119 |         let _ = write!(f, "[");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/matrix/mod.rs:123:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |             write!(f, "...");
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 123 |             let _ = write!(f, "...");
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/matrix/mod.rs:129:21
[INFO] [stdout]     |
[INFO] [stdout] 129 |                     write!(f, "{:.4} ", self.get(i, j).unwrap());
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 129 |                     let _ = write!(f, "{:.4} ", self.get(i, j).unwrap());
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/matrix/mod.rs:131:21
[INFO] [stdout]     |
[INFO] [stdout] 131 |                     write!(f, " {:.4}", self.get(i, j).unwrap());
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 131 |                     let _ = write!(f, " {:.4}", self.get(i, j).unwrap());
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/matrix/mod.rs:138:13
[INFO] [stdout]     |
[INFO] [stdout] 138 |             writeln!(f);
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 138 |             let _ = writeln!(f);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `M` should have a snake case name
[INFO] [stdout]    --> src/matrix/helper.rs:194:13
[INFO] [stdout]     |
[INFO] [stdout] 194 |         let M = self.nrows;
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `m`
[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 `N` should have a snake case name
[INFO] [stdout]    --> src/matrix/helper.rs:195:13
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let N = self.ncols;
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `P` should have a snake case name
[INFO] [stdout]    --> src/matrix/helper.rs:196:13
[INFO] [stdout]     |
[INFO] [stdout] 196 |         let P = other.ncols;
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `M` should have a snake case name
[INFO] [stdout]    --> src/matrix/helper.rs:236:13
[INFO] [stdout]     |
[INFO] [stdout] 236 |         let M = self.nrows;
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]    --> src/matrix/helper.rs:237:13
[INFO] [stdout]     |
[INFO] [stdout] 237 |         let N = self.ncols;
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `P` should have a snake case name
[INFO] [stdout]    --> src/matrix/helper.rs:238:13
[INFO] [stdout]     |
[INFO] [stdout] 238 |         let P = other.ncols;
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/sparse/mod.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |                 write!(f, "{elem} ");
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 137 |                 let _ = write!(f, "{elem} ");
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/sparse/mod.rs:139:13
[INFO] [stdout]     |
[INFO] [stdout] 139 |             writeln!(f);
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 139 |             let _ = writeln!(f);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]    --> src/sparse/helper.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let N = self.nrows;
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.27s
[INFO] running `Command { std: "docker" "inspect" "e2a6e803ccffa651822f620407805d47933fa4a1a8fbcba7cec68794883b0c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2a6e803ccffa651822f620407805d47933fa4a1a8fbcba7cec68794883b0c4d", kill_on_drop: false }`
[INFO] [stdout] e2a6e803ccffa651822f620407805d47933fa4a1a8fbcba7cec68794883b0c4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1463118bd0ffd3af49c0e383204f851e467b88161c84e347b6b6b0aedbd7ff7
[INFO] running `Command { std: "docker" "start" "-a" "d1463118bd0ffd3af49c0e383204f851e467b88161c84e347b6b6b0aedbd7ff7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling rustix v0.37.20
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling anstyle v1.0.0
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling clap_lex v0.5.0
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling plotters-backend v0.3.4
[INFO] [stderr]    Compiling regex-syntax v0.7.2
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling walkdir v2.3.3
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling plotters-svg v0.3.3
[INFO] [stderr]    Compiling clap_builder v4.3.3
[INFO] [stderr]    Compiling plotters v0.3.4
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling regex v1.8.4
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rayon v1.7.0
[INFO] [stderr]    Compiling is-terminal v0.4.7
[INFO] [stderr]    Compiling clap v4.3.3
[INFO] [stderr]    Compiling ciborium v0.2.1
[INFO] [stderr]    Compiling sukker v2.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `IntoParallelIterator` and `IntoParallelRefIterator`
[INFO] [stdout]   --> src/common.rs:15:22
[INFO] [stdout]    |
[INFO] [stdout] 15 | use rayon::prelude::{IntoParallelIterator, IntoParallelRefIterator};
[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 import: `crate::Matrix`
[INFO] [stdout]   --> src/common.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use crate::Matrix;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arch::is_aarch64_feature_detected`
[INFO] [stdout]  --> src/matrix/optim.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{arch::is_aarch64_feature_detected, error::Error, str::FromStr};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `x86-64`
[INFO] [stdout]   --> src/matrix/optim.rs:12:36
[INFO] [stdout]    |
[INFO] [stdout] 12 |     #[cfg(any(target_arch = "x86", target_arch = "x86-64"))]
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^--------
[INFO] [stdout]    |                                                  |
[INFO] [stdout]    |                                                  help: there is a expected value with a similar name: `"x86_64"`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `target_arch` are: `aarch64`, `amdgpu`, `arm`, `arm64ec`, `avr`, `bpf`, `csky`, `hexagon`, `loongarch32`, `loongarch64`, `m68k`, `mips`, `mips32r6`, `mips64`, `mips64r6`, `msp430`, `nvptx64`, `powerpc`, `powerpc64`, `riscv32`, `riscv64`, `s390x`, `sparc`, `sparc64`, `wasm32`, `wasm64`, `x86`, `x86_64`, and `xtensa`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `_MM_HINT_NTA`, `__m128d`, `_mm256_add_epi64`, `_mm_add_pd`, `_mm_load_pd`, `_mm_mul_pd`, `_mm_prefetch`, `_mm_store_pd`, and `_mm_unpacklo_pd`
[INFO] [stdout]   --> src/matrix/optim.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         __m128d, _mm256_add_epi64, _mm_add_pd, _mm_load_pd, _mm_mul_pd, _mm_prefetch, _mm_store_pd,
[INFO] [stdout]    |         ^^^^^^^  ^^^^^^^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 51 |         _mm_unpacklo_pd, _MM_HINT_NTA,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `at`
[INFO] [stdout]   --> src/macros.rs:24:16
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub(crate) use at;
[INFO] [stdout]    |                ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `smd`
[INFO] [stdout]   --> src/macros.rs:25:16
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub(crate) use smd;
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `real::Real`
[INFO] [stdout]   --> src/matrix/mod.rs:23:23
[INFO] [stdout]    |
[INFO] [stdout] 23 | use num_traits::{pow, real::Real, sign::abs, Float};
[INFO] [stdout]    |                       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/matrix/helper.rs:229:21
[INFO] [stdout]     |
[INFO] [stdout] 229 |     fn summa(&self, other: &Self, block_size: usize) -> Self {
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_size`
[INFO] [stdout]    --> src/matrix/helper.rs:229:35
[INFO] [stdout]     |
[INFO] [stdout] 229 |     fn summa(&self, other: &Self, block_size: usize) -> Self {
[INFO] [stdout]     |                                   ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lhs`
[INFO] [stdout]  --> src/matrix/optim.rs:7:32
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn get_optimized_matmul<T>(lhs: Matrix<T>, other: Matrix<T>)
[INFO] [stdout]   |                                ^^^ help: if this is intentional, prefix it with an underscore: `_lhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]  --> src/matrix/optim.rs:7:48
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn get_optimized_matmul<T>(lhs: Matrix<T>, other: Matrix<T>)
[INFO] [stdout]   |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lhs`
[INFO] [stdout]   --> src/matrix/optim.rs:41:29
[INFO] [stdout]    |
[INFO] [stdout] 41 | unsafe fn avx_matmul<'a, T>(lhs: &Matrix<'a, T>, other: &Matrix<'a, T>) -> Matrix<'a, T>
[INFO] [stdout]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_lhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/matrix/optim.rs:41:50
[INFO] [stdout]    |
[INFO] [stdout] 41 | unsafe fn avx_matmul<'a, T>(lhs: &Matrix<'a, T>, other: &Matrix<'a, T>) -> Matrix<'a, T>
[INFO] [stdout]    |                                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/matrix/mod.rs:987:21
[INFO] [stdout]     |
[INFO] [stdout] 987 |                 let mut highest: T = T::one();
[INFO] [stdout]     |                     ----^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/matrix/mod.rs:1010:21
[INFO] [stdout]      |
[INFO] [stdout] 1010 |                 let mut highest: T = T::one();
[INFO] [stdout]      |                     ----^^^^^^^
[INFO] [stdout]      |                     |
[INFO] [stdout]      |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/matrix/mod.rs:1053:21
[INFO] [stdout]      |
[INFO] [stdout] 1053 |                 let mut lowest: T = T::zero();
[INFO] [stdout]      |                     ----^^^^^^
[INFO] [stdout]      |                     |
[INFO] [stdout]      |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/matrix/mod.rs:1077:21
[INFO] [stdout]      |
[INFO] [stdout] 1077 |                 let mut lowest: T = T::zero();
[INFO] [stdout]      |                     ----^^^^^^
[INFO] [stdout]      |                     |
[INFO] [stdout]      |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `argmax` and `argmin` are never used
[INFO] [stdout]     --> src/matrix/mod.rs:980:8
[INFO] [stdout]      |
[INFO] [stdout]  575 | / impl<'a, T> Matrix<'a, T>
[INFO] [stdout]  576 | | where
[INFO] [stdout]  577 | |     T: MatrixElement + Div<Output = T> + Sum<T>,
[INFO] [stdout]  578 | |     <T as FromStr>::Err: Error + 'static,
[INFO] [stdout]  579 | |     Vec<T>: IntoParallelIterator,
[INFO] [stdout]  580 | |     Vec<&'a T>: IntoParallelRefIterator<'a>,
[INFO] [stdout]      | |____________________________________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  980 |       fn argmax(&self, rowcol: usize, dimension: Dimension) -> Option<Shape> {
[INFO] [stdout]      |          ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1046 |       fn argmin(&self, rowcol: usize, dimension: Dimension) -> Option<Shape> {
[INFO] [stdout]      |          ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `summa` and `naive` are never used
[INFO] [stdout]    --> src/matrix/helper.rs:229:8
[INFO] [stdout]     |
[INFO] [stdout]  14 | / impl<'a, T> Matrix<'a, T>
[INFO] [stdout]  15 | | where
[INFO] [stdout]  16 | |     T: MatrixElement + 'a,
[INFO] [stdout]  17 | |     <T as FromStr>::Err: Error + 'static,
[INFO] [stdout]  18 | |     Vec<T>: IntoParallelIterator,
[INFO] [stdout]  19 | |     Vec<&'a T>: IntoParallelRefIterator<'a>,
[INFO] [stdout]     | |____________________________________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 229 |       fn summa(&self, other: &Self, block_size: usize) -> Self {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 235 |       fn naive(&self, other: &Self) -> Self {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_optimized_matmul` is never used
[INFO] [stdout]  --> src/matrix/optim.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn get_optimized_matmul<T>(lhs: Matrix<T>, other: Matrix<T>)
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `avx_matmul` is never used
[INFO] [stdout]   --> src/matrix/optim.rs:41:11
[INFO] [stdout]    |
[INFO] [stdout] 41 | unsafe fn avx_matmul<'a, T>(lhs: &Matrix<'a, T>, other: &Matrix<'a, T>) -> Matrix<'a, T>
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `find_all` and `positions` are never used
[INFO] [stdout]     --> src/sparse/mod.rs:1415:8
[INFO] [stdout]      |
[INFO] [stdout] 1288 | / impl<'a, T> SparseMatrix<'a, T>
[INFO] [stdout] 1289 | | where
[INFO] [stdout] 1290 | |     T: MatrixElement,
[INFO] [stdout] 1291 | |     <T as FromStr>::Err: Error + 'static,
[INFO] [stdout] 1292 | |     Vec<T>: IntoParallelIterator,
[INFO] [stdout] 1293 | |     Vec<&'a T>: IntoParallelRefIterator<'a>,
[INFO] [stdout]      | |____________________________________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 1415 |       fn find_all<F>(&self, pred: F) -> Option<Vec<T>>
[INFO] [stdout]      |          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1458 |       fn positions<F>(&self, pred: F) -> Option<Vec<Shape>>
[INFO] [stdout]      |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/matrix/mod.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |         write!(f, "[");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 119 |         let _ = write!(f, "[");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/matrix/mod.rs:123:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |             write!(f, "...");
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 123 |             let _ = write!(f, "...");
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/matrix/mod.rs:129:21
[INFO] [stdout]     |
[INFO] [stdout] 129 |                     write!(f, "{:.4} ", self.get(i, j).unwrap());
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 129 |                     let _ = write!(f, "{:.4} ", self.get(i, j).unwrap());
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/matrix/mod.rs:131:21
[INFO] [stdout]     |
[INFO] [stdout] 131 |                     write!(f, " {:.4}", self.get(i, j).unwrap());
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 131 |                     let _ = write!(f, " {:.4}", self.get(i, j).unwrap());
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/matrix/mod.rs:138:13
[INFO] [stdout]     |
[INFO] [stdout] 138 |             writeln!(f);
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 138 |             let _ = writeln!(f);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `M` should have a snake case name
[INFO] [stdout]    --> src/matrix/helper.rs:194:13
[INFO] [stdout]     |
[INFO] [stdout] 194 |         let M = self.nrows;
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `m`
[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 `N` should have a snake case name
[INFO] [stdout]    --> src/matrix/helper.rs:195:13
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let N = self.ncols;
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `P` should have a snake case name
[INFO] [stdout]    --> src/matrix/helper.rs:196:13
[INFO] [stdout]     |
[INFO] [stdout] 196 |         let P = other.ncols;
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `M` should have a snake case name
[INFO] [stdout]    --> src/matrix/helper.rs:236:13
[INFO] [stdout]     |
[INFO] [stdout] 236 |         let M = self.nrows;
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]    --> src/matrix/helper.rs:237:13
[INFO] [stdout]     |
[INFO] [stdout] 237 |         let N = self.ncols;
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `P` should have a snake case name
[INFO] [stdout]    --> src/matrix/helper.rs:238:13
[INFO] [stdout]     |
[INFO] [stdout] 238 |         let P = other.ncols;
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/sparse/mod.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |                 write!(f, "{elem} ");
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 137 |                 let _ = write!(f, "{elem} ");
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/sparse/mod.rs:139:13
[INFO] [stdout]     |
[INFO] [stdout] 139 |             writeln!(f);
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 139 |             let _ = writeln!(f);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]    --> src/sparse/helper.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let N = self.nrows;
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stdout] warning: unused imports: `IntoParallelIterator` and `IntoParallelRefIterator`
[INFO] [stdout]   --> src/common.rs:15:22
[INFO] [stdout]    |
[INFO] [stdout] 15 | use rayon::prelude::{IntoParallelIterator, IntoParallelRefIterator};
[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 import: `crate::Matrix`
[INFO] [stdout]   --> src/common.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use crate::Matrix;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arch::is_aarch64_feature_detected`
[INFO] [stdout]  --> src/matrix/optim.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{arch::is_aarch64_feature_detected, error::Error, str::FromStr};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `x86-64`
[INFO] [stdout]   --> src/matrix/optim.rs:12:36
[INFO] [stdout]    |
[INFO] [stdout] 12 |     #[cfg(any(target_arch = "x86", target_arch = "x86-64"))]
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^--------
[INFO] [stdout]    |                                                  |
[INFO] [stdout]    |                                                  help: there is a expected value with a similar name: `"x86_64"`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `target_arch` are: `aarch64`, `amdgpu`, `arm`, `arm64ec`, `avr`, `bpf`, `csky`, `hexagon`, `loongarch32`, `loongarch64`, `m68k`, `mips`, `mips32r6`, `mips64`, `mips64r6`, `msp430`, `nvptx64`, `powerpc`, `powerpc64`, `riscv32`, `riscv64`, `s390x`, `sparc`, `sparc64`, `wasm32`, `wasm64`, `x86`, `x86_64`, and `xtensa`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `_MM_HINT_NTA`, `__m128d`, `_mm256_add_epi64`, `_mm_add_pd`, `_mm_load_pd`, `_mm_mul_pd`, `_mm_prefetch`, `_mm_store_pd`, and `_mm_unpacklo_pd`
[INFO] [stdout]   --> src/matrix/optim.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         __m128d, _mm256_add_epi64, _mm_add_pd, _mm_load_pd, _mm_mul_pd, _mm_prefetch, _mm_store_pd,
[INFO] [stdout]    |         ^^^^^^^  ^^^^^^^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 51 |         _mm_unpacklo_pd, _MM_HINT_NTA,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `at`
[INFO] [stdout]   --> src/macros.rs:24:16
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub(crate) use at;
[INFO] [stdout]    |                ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `smd`
[INFO] [stdout]   --> src/macros.rs:25:16
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub(crate) use smd;
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `real::Real`
[INFO] [stdout]   --> src/matrix/mod.rs:23:23
[INFO] [stdout]    |
[INFO] [stdout] 23 | use num_traits::{pow, real::Real, sign::abs, Float};
[INFO] [stdout]    |                       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/matrix/helper.rs:229:21
[INFO] [stdout]     |
[INFO] [stdout] 229 |     fn summa(&self, other: &Self, block_size: usize) -> Self {
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_size`
[INFO] [stdout]    --> src/matrix/helper.rs:229:35
[INFO] [stdout]     |
[INFO] [stdout] 229 |     fn summa(&self, other: &Self, block_size: usize) -> Self {
[INFO] [stdout]     |                                   ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lhs`
[INFO] [stdout]  --> src/matrix/optim.rs:7:32
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn get_optimized_matmul<T>(lhs: Matrix<T>, other: Matrix<T>)
[INFO] [stdout]   |                                ^^^ help: if this is intentional, prefix it with an underscore: `_lhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]  --> src/matrix/optim.rs:7:48
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn get_optimized_matmul<T>(lhs: Matrix<T>, other: Matrix<T>)
[INFO] [stdout]   |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lhs`
[INFO] [stdout]   --> src/matrix/optim.rs:41:29
[INFO] [stdout]    |
[INFO] [stdout] 41 | unsafe fn avx_matmul<'a, T>(lhs: &Matrix<'a, T>, other: &Matrix<'a, T>) -> Matrix<'a, T>
[INFO] [stdout]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_lhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/matrix/optim.rs:41:50
[INFO] [stdout]    |
[INFO] [stdout] 41 | unsafe fn avx_matmul<'a, T>(lhs: &Matrix<'a, T>, other: &Matrix<'a, T>) -> Matrix<'a, T>
[INFO] [stdout]    |                                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/matrix/mod.rs:987:21
[INFO] [stdout]     |
[INFO] [stdout] 987 |                 let mut highest: T = T::one();
[INFO] [stdout]     |                     ----^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/matrix/mod.rs:1010:21
[INFO] [stdout]      |
[INFO] [stdout] 1010 |                 let mut highest: T = T::one();
[INFO] [stdout]      |                     ----^^^^^^^
[INFO] [stdout]      |                     |
[INFO] [stdout]      |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/matrix/mod.rs:1053:21
[INFO] [stdout]      |
[INFO] [stdout] 1053 |                 let mut lowest: T = T::zero();
[INFO] [stdout]      |                     ----^^^^^^
[INFO] [stdout]      |                     |
[INFO] [stdout]      |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/matrix/mod.rs:1077:21
[INFO] [stdout]      |
[INFO] [stdout] 1077 |                 let mut lowest: T = T::zero();
[INFO] [stdout]      |                     ----^^^^^^
[INFO] [stdout]      |                     |
[INFO] [stdout]      |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `argmax` and `argmin` are never used
[INFO] [stdout]     --> src/matrix/mod.rs:980:8
[INFO] [stdout]      |
[INFO] [stdout]  575 | / impl<'a, T> Matrix<'a, T>
[INFO] [stdout]  576 | | where
[INFO] [stdout]  577 | |     T: MatrixElement + Div<Output = T> + Sum<T>,
[INFO] [stdout]  578 | |     <T as FromStr>::Err: Error + 'static,
[INFO] [stdout]  579 | |     Vec<T>: IntoParallelIterator,
[INFO] [stdout]  580 | |     Vec<&'a T>: IntoParallelRefIterator<'a>,
[INFO] [stdout]      | |____________________________________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  980 |       fn argmax(&self, rowcol: usize, dimension: Dimension) -> Option<Shape> {
[INFO] [stdout]      |          ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1046 |       fn argmin(&self, rowcol: usize, dimension: Dimension) -> Option<Shape> {
[INFO] [stdout]      |          ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `summa` and `naive` are never used
[INFO] [stdout]    --> src/matrix/helper.rs:229:8
[INFO] [stdout]     |
[INFO] [stdout]  14 | / impl<'a, T> Matrix<'a, T>
[INFO] [stdout]  15 | | where
[INFO] [stdout]  16 | |     T: MatrixElement + 'a,
[INFO] [stdout]  17 | |     <T as FromStr>::Err: Error + 'static,
[INFO] [stdout]  18 | |     Vec<T>: IntoParallelIterator,
[INFO] [stdout]  19 | |     Vec<&'a T>: IntoParallelRefIterator<'a>,
[INFO] [stdout]     | |____________________________________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 229 |       fn summa(&self, other: &Self, block_size: usize) -> Self {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 235 |       fn naive(&self, other: &Self) -> Self {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_optimized_matmul` is never used
[INFO] [stdout]  --> src/matrix/optim.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn get_optimized_matmul<T>(lhs: Matrix<T>, other: Matrix<T>)
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `avx_matmul` is never used
[INFO] [stdout]   --> src/matrix/optim.rs:41:11
[INFO] [stdout]    |
[INFO] [stdout] 41 | unsafe fn avx_matmul<'a, T>(lhs: &Matrix<'a, T>, other: &Matrix<'a, T>) -> Matrix<'a, T>
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `find_all` and `positions` are never used
[INFO] [stdout]     --> src/sparse/mod.rs:1415:8
[INFO] [stdout]      |
[INFO] [stdout] 1288 | / impl<'a, T> SparseMatrix<'a, T>
[INFO] [stdout] 1289 | | where
[INFO] [stdout] 1290 | |     T: MatrixElement,
[INFO] [stdout] 1291 | |     <T as FromStr>::Err: Error + 'static,
[INFO] [stdout] 1292 | |     Vec<T>: IntoParallelIterator,
[INFO] [stdout] 1293 | |     Vec<&'a T>: IntoParallelRefIterator<'a>,
[INFO] [stdout]      | |____________________________________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 1415 |       fn find_all<F>(&self, pred: F) -> Option<Vec<T>>
[INFO] [stdout]      |          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1458 |       fn positions<F>(&self, pred: F) -> Option<Vec<Shape>>
[INFO] [stdout]      |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/matrix/mod.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |         write!(f, "[");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 119 |         let _ = write!(f, "[");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/matrix/mod.rs:123:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |             write!(f, "...");
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 123 |             let _ = write!(f, "...");
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/matrix/mod.rs:129:21
[INFO] [stdout]     |
[INFO] [stdout] 129 |                     write!(f, "{:.4} ", self.get(i, j).unwrap());
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 129 |                     let _ = write!(f, "{:.4} ", self.get(i, j).unwrap());
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/matrix/mod.rs:131:21
[INFO] [stdout]     |
[INFO] [stdout] 131 |                     write!(f, " {:.4}", self.get(i, j).unwrap());
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 131 |                     let _ = write!(f, " {:.4}", self.get(i, j).unwrap());
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/matrix/mod.rs:138:13
[INFO] [stdout]     |
[INFO] [stdout] 138 |             writeln!(f);
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 138 |             let _ = writeln!(f);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `M` should have a snake case name
[INFO] [stdout]    --> src/matrix/helper.rs:194:13
[INFO] [stdout]     |
[INFO] [stdout] 194 |         let M = self.nrows;
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `m`
[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 `N` should have a snake case name
[INFO] [stdout]    --> src/matrix/helper.rs:195:13
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let N = self.ncols;
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `P` should have a snake case name
[INFO] [stdout]    --> src/matrix/helper.rs:196:13
[INFO] [stdout]     |
[INFO] [stdout] 196 |         let P = other.ncols;
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `M` should have a snake case name
[INFO] [stdout]    --> src/matrix/helper.rs:236:13
[INFO] [stdout]     |
[INFO] [stdout] 236 |         let M = self.nrows;
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]    --> src/matrix/helper.rs:237:13
[INFO] [stdout]     |
[INFO] [stdout] 237 |         let N = self.ncols;
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `P` should have a snake case name
[INFO] [stdout]    --> src/matrix/helper.rs:238:13
[INFO] [stdout]     |
[INFO] [stdout] 238 |         let P = other.ncols;
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/sparse/mod.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |                 write!(f, "{elem} ");
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 137 |                 let _ = write!(f, "{elem} ");
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/sparse/mod.rs:139:13
[INFO] [stdout]     |
[INFO] [stdout] 139 |             writeln!(f);
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 139 |             let _ = writeln!(f);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]    --> src/sparse/helper.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let N = self.nrows;
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 16.26s
[INFO] running `Command { std: "docker" "inspect" "d1463118bd0ffd3af49c0e383204f851e467b88161c84e347b6b6b0aedbd7ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1463118bd0ffd3af49c0e383204f851e467b88161c84e347b6b6b0aedbd7ff7", kill_on_drop: false }`
[INFO] [stdout] d1463118bd0ffd3af49c0e383204f851e467b88161c84e347b6b6b0aedbd7ff7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4355eee37acc7f1ca5be4b7067b4e54a9d1f7e1a7055bc9e76a87041bd888a5e
[INFO] running `Command { std: "docker" "start" "-a" "4355eee37acc7f1ca5be4b7067b4e54a9d1f7e1a7055bc9e76a87041bd888a5e", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `IntoParallelIterator` and `IntoParallelRefIterator`
[INFO] [stderr]   --> src/common.rs:15:22
[INFO] [stderr]    |
[INFO] [stderr] 15 | use rayon::prelude::{IntoParallelIterator, IntoParallelRefIterator};
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::Matrix`
[INFO] [stderr]   --> src/common.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use crate::Matrix;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `arch::is_aarch64_feature_detected`
[INFO] [stderr]  --> src/matrix/optim.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::{arch::is_aarch64_feature_detected, error::Error, str::FromStr};
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `x86-64`
[INFO] [stderr]   --> src/matrix/optim.rs:12:36
[INFO] [stderr]    |
[INFO] [stderr] 12 |     #[cfg(any(target_arch = "x86", target_arch = "x86-64"))]
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^--------
[INFO] [stderr]    |                                                  |
[INFO] [stderr]    |                                                  help: there is a expected value with a similar name: `"x86_64"`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected values for `target_arch` are: `aarch64`, `amdgpu`, `arm`, `arm64ec`, `avr`, `bpf`, `csky`, `hexagon`, `loongarch32`, `loongarch64`, `m68k`, `mips`, `mips32r6`, `mips64`, `mips64r6`, `msp430`, `nvptx64`, `powerpc`, `powerpc64`, `riscv32`, `riscv64`, `s390x`, `sparc`, `sparc64`, `wasm32`, `wasm64`, `x86`, `x86_64`, and `xtensa`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `_MM_HINT_NTA`, `__m128d`, `_mm256_add_epi64`, `_mm_add_pd`, `_mm_load_pd`, `_mm_mul_pd`, `_mm_prefetch`, `_mm_store_pd`, and `_mm_unpacklo_pd`
[INFO] [stderr]   --> src/matrix/optim.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |         __m128d, _mm256_add_epi64, _mm_add_pd, _mm_load_pd, _mm_mul_pd, _mm_prefetch, _mm_store_pd,
[INFO] [stderr]    |         ^^^^^^^  ^^^^^^^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 51 |         _mm_unpacklo_pd, _MM_HINT_NTA,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `at`
[INFO] [stderr]   --> src/macros.rs:24:16
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub(crate) use at;
[INFO] [stderr]    |                ^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `smd`
[INFO] [stderr]   --> src/macros.rs:25:16
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub(crate) use smd;
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `real::Real`
[INFO] [stderr]   --> src/matrix/mod.rs:23:23
[INFO] [stderr]    |
[INFO] [stderr] 23 | use num_traits::{pow, real::Real, sign::abs, Float};
[INFO] [stderr]    |                       ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]    --> src/matrix/helper.rs:229:21
[INFO] [stderr]     |
[INFO] [stderr] 229 |     fn summa(&self, other: &Self, block_size: usize) -> Self {
[INFO] [stderr]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `block_size`
[INFO] [stderr]    --> src/matrix/helper.rs:229:35
[INFO] [stderr]     |
[INFO] [stderr] 229 |     fn summa(&self, other: &Self, block_size: usize) -> Self {
[INFO] [stderr]     |                                   ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_size`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lhs`
[INFO] [stderr]  --> src/matrix/optim.rs:7:32
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn get_optimized_matmul<T>(lhs: Matrix<T>, other: Matrix<T>)
[INFO] [stderr]   |                                ^^^ help: if this is intentional, prefix it with an underscore: `_lhs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]  --> src/matrix/optim.rs:7:48
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn get_optimized_matmul<T>(lhs: Matrix<T>, other: Matrix<T>)
[INFO] [stderr]   |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lhs`
[INFO] [stderr]   --> src/matrix/optim.rs:41:29
[INFO] [stderr]    |
[INFO] [stderr] 41 | unsafe fn avx_matmul<'a, T>(lhs: &Matrix<'a, T>, other: &Matrix<'a, T>) -> Matrix<'a, T>
[INFO] [stderr]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_lhs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]   --> src/matrix/optim.rs:41:50
[INFO] [stderr]    |
[INFO] [stderr] 41 | unsafe fn avx_matmul<'a, T>(lhs: &Matrix<'a, T>, other: &Matrix<'a, T>) -> Matrix<'a, T>
[INFO] [stderr]    |                                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/matrix/mod.rs:987:21
[INFO] [stderr]     |
[INFO] [stderr] 987 |                 let mut highest: T = T::one();
[INFO] [stderr]     |                     ----^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/matrix/mod.rs:1010:21
[INFO] [stderr]      |
[INFO] [stderr] 1010 |                 let mut highest: T = T::one();
[INFO] [stderr]      |                     ----^^^^^^^
[INFO] [stderr]      |                     |
[INFO] [stderr]      |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/matrix/mod.rs:1053:21
[INFO] [stderr]      |
[INFO] [stderr] 1053 |                 let mut lowest: T = T::zero();
[INFO] [stderr]      |                     ----^^^^^^
[INFO] [stderr]      |                     |
[INFO] [stderr]      |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/matrix/mod.rs:1077:21
[INFO] [stderr]      |
[INFO] [stderr] 1077 |                 let mut lowest: T = T::zero();
[INFO] [stderr]      |                     ----^^^^^^
[INFO] [stderr]      |                     |
[INFO] [stderr]      |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: methods `argmax` and `argmin` are never used
[INFO] [stderr]     --> src/matrix/mod.rs:980:8
[INFO] [stderr]      |
[INFO] [stderr]  575 | / impl<'a, T> Matrix<'a, T>
[INFO] [stderr]  576 | | where
[INFO] [stderr]  577 | |     T: MatrixElement + Div<Output = T> + Sum<T>,
[INFO] [stderr]  578 | |     <T as FromStr>::Err: Error + 'static,
[INFO] [stderr]  579 | |     Vec<T>: IntoParallelIterator,
[INFO] [stderr]  580 | |     Vec<&'a T>: IntoParallelRefIterator<'a>,
[INFO] [stderr]      | |____________________________________________- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr]  980 |       fn argmax(&self, rowcol: usize, dimension: Dimension) -> Option<Shape> {
[INFO] [stderr]      |          ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 1046 |       fn argmin(&self, rowcol: usize, dimension: Dimension) -> Option<Shape> {
[INFO] [stderr]      |          ^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `summa` and `naive` are never used
[INFO] [stderr]    --> src/matrix/helper.rs:229:8
[INFO] [stderr]     |
[INFO] [stderr]  14 | / impl<'a, T> Matrix<'a, T>
[INFO] [stderr]  15 | | where
[INFO] [stderr]  16 | |     T: MatrixElement + 'a,
[INFO] [stderr]  17 | |     <T as FromStr>::Err: Error + 'static,
[INFO] [stderr]  18 | |     Vec<T>: IntoParallelIterator,
[INFO] [stderr]  19 | |     Vec<&'a T>: IntoParallelRefIterator<'a>,
[INFO] [stderr]     | |____________________________________________- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 229 |       fn summa(&self, other: &Self, block_size: usize) -> Self {
[INFO] [stderr]     |          ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 235 |       fn naive(&self, other: &Self) -> Self {
[INFO] [stderr]     |          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_optimized_matmul` is never used
[INFO] [stderr]  --> src/matrix/optim.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn get_optimized_matmul<T>(lhs: Matrix<T>, other: Matrix<T>)
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `avx_matmul` is never used
[INFO] [stderr]   --> src/matrix/optim.rs:41:11
[INFO] [stderr]    |
[INFO] [stderr] 41 | unsafe fn avx_matmul<'a, T>(lhs: &Matrix<'a, T>, other: &Matrix<'a, T>) -> Matrix<'a, T>
[INFO] [stderr]    |           ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `find_all` and `positions` are never used
[INFO] [stderr]     --> src/sparse/mod.rs:1415:8
[INFO] [stderr]      |
[INFO] [stderr] 1288 | / impl<'a, T> SparseMatrix<'a, T>
[INFO] [stderr] 1289 | | where
[INFO] [stderr] 1290 | |     T: MatrixElement,
[INFO] [stderr] 1291 | |     <T as FromStr>::Err: Error + 'static,
[INFO] [stderr] 1292 | |     Vec<T>: IntoParallelIterator,
[INFO] [stderr] 1293 | |     Vec<&'a T>: IntoParallelRefIterator<'a>,
[INFO] [stderr]      | |____________________________________________- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 1415 |       fn find_all<F>(&self, pred: F) -> Option<Vec<T>>
[INFO] [stderr]      |          ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 1458 |       fn positions<F>(&self, pred: F) -> Option<Vec<Shape>>
[INFO] [stderr]      |          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/matrix/mod.rs:119:9
[INFO] [stderr]     |
[INFO] [stderr] 119 |         write!(f, "[");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 119 |         let _ = write!(f, "[");
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/matrix/mod.rs:123:13
[INFO] [stderr]     |
[INFO] [stderr] 123 |             write!(f, "...");
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 123 |             let _ = write!(f, "...");
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/matrix/mod.rs:129:21
[INFO] [stderr]     |
[INFO] [stderr] 129 |                     write!(f, "{:.4} ", self.get(i, j).unwrap());
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 129 |                     let _ = write!(f, "{:.4} ", self.get(i, j).unwrap());
[INFO] [stderr]     |                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/matrix/mod.rs:131:21
[INFO] [stderr]     |
[INFO] [stderr] 131 |                     write!(f, " {:.4}", self.get(i, j).unwrap());
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 131 |                     let _ = write!(f, " {:.4}", self.get(i, j).unwrap());
[INFO] [stderr]     |                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/matrix/mod.rs:138:13
[INFO] [stderr]     |
[INFO] [stderr] 138 |             writeln!(f);
[INFO] [stderr]     |             ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 138 |             let _ = writeln!(f);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: variable `M` should have a snake case name
[INFO] [stderr]    --> src/matrix/helper.rs:194:13
[INFO] [stderr]     |
[INFO] [stderr] 194 |         let M = self.nrows;
[INFO] [stderr]     |             ^ help: convert the identifier to snake case: `m`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]    --> src/matrix/helper.rs:195:13
[INFO] [stderr]     |
[INFO] [stderr] 195 |         let N = self.ncols;
[INFO] [stderr]     |             ^ help: convert the identifier to snake case: `n`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `P` should have a snake case name
[INFO] [stderr]    --> src/matrix/helper.rs:196:13
[INFO] [stderr]     |
[INFO] [stderr] 196 |         let P = other.ncols;
[INFO] [stderr]     |             ^ help: convert the identifier to snake case: `p`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `M` should have a snake case name
[INFO] [stderr]    --> src/matrix/helper.rs:236:13
[INFO] [stderr]     |
[INFO] [stderr] 236 |         let M = self.nrows;
[INFO] [stderr]     |             ^ help: convert the identifier to snake case: `m`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]    --> src/matrix/helper.rs:237:13
[INFO] [stderr]     |
[INFO] [stderr] 237 |         let N = self.ncols;
[INFO] [stderr]     |             ^ help: convert the identifier to snake case: `n`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `P` should have a snake case name
[INFO] [stderr]    --> src/matrix/helper.rs:238:13
[INFO] [stderr]     |
[INFO] [stderr] 238 |         let P = other.ncols;
[INFO] [stderr]     |             ^ help: convert the identifier to snake case: `p`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/sparse/mod.rs:137:17
[INFO] [stderr]     |
[INFO] [stderr] 137 |                 write!(f, "{elem} ");
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 137 |                 let _ = write!(f, "{elem} ");
[INFO] [stderr]     |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/sparse/mod.rs:139:13
[INFO] [stderr]     |
[INFO] [stderr] 139 |             writeln!(f);
[INFO] [stderr]     |             ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 139 |             let _ = writeln!(f);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]    --> src/sparse/helper.rs:112:13
[INFO] [stderr]     |
[INFO] [stderr] 112 |         let N = self.nrows;
[INFO] [stderr]     |             ^ help: convert the identifier to snake case: `n`
[INFO] [stderr] 
[INFO] [stderr] warning: `sukker` (lib) generated 37 warnings (run `cargo fix --lib -p sukker` to apply 16 suggestions)
[INFO] [stderr] warning: `sukker` (lib test) generated 37 warnings (37 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sukker-38d71735bab717dd)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/matrix.rs (/opt/rustwide/target/debug/deps/matrix-2075bd6af2bf4969)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test basic ... ok
[INFO] [stdout] test new ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/sparse.rs (/opt/rustwide/target/debug/deps/sparse-9be2a5e26dd915bd)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test sparse_medium ... ok
[INFO] [stdout] test sparse_basic ... ok
[INFO] [stdout] test matmul_sparse ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sukker
[INFO] [stdout] 
[INFO] [stdout] running 134 tests
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::argmax (line 973) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::at (line 646) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::add (line 1502) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::cosh (line 1437) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::any (line 2223) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::add_val (line 1676) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::concat (line 734) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::all (line 2241) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::cos (line 1383) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::add_self (line 1814) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::add_val_self (line 1915) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::avg (line 1140) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::count_where (line 2156) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::default (line 155) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::cumsum (line 1102) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::div_self (line 1877) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::argmin (line 1038) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::dot (line 1610) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::eye_like (line 331) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::extend (line 794) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::determinant (line 2016) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::div_val_self (line 1969) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::from_file (line 513) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::abs_self (line 1898) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::cumprod (line 1121) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::find (line 2259) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::eye (line 309) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::div (line 1626) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::div_val (line 1727) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::abs (line 1766) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::exp (line 1789) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::from_slice (line 359) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::init (line 292) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::get (line 624) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::get_sub_matrix (line 708) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::get_vec_slice (line 667) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::get_eigenvalues (line 1473) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::find_all (line 2281) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::get_vec (line 688) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::matmul (line 1987) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::max (line 930) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::identity (line 343) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::inverse (line 2045) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::log (line 1305) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::ln (line 1324) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::mul (line 1583) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::median (line 1170) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::print (line 180) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::one_to_2d_idx (line 911) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::from_sparse (line 534) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::mul_self (line 1856) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::ones_like (line 434) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::ones (line 398) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::randomize (line 498) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::mean (line 1155) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::mul_val_self (line 1951) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::neg (line 1657) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::random_like (line 452) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::mul_val (line 1710) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::reshape (line 587) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::randomize_range (line 471) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::new (line 266) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::pow (line 1747) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::min (line 950) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::prod (line 1264) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::set (line 847) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::sub_abs (line 1556) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::set_many (line 872) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::size (line 609) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::set_range (line 893) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::set_where (line 2197) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::sparsity (line 224) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::sqrt (line 1343) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::sub_val_self (line 1933) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::sub (line 1529) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::transpose (line 2089) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::shape (line 241) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::sum_where (line 2174) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::zeros (line 380) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::transpose_copy (line 2129) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::zeros_like (line 416) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::t (line 2113) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::add (line 887) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::sin (line 1366) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::sub_self (line 1835) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::tan (line 1401) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::tanh (line 1455) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::sum (line 1224) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::sub_val (line 1693) ... ok
[INFO] [stdout] test src/matrix/mod.rs - matrix::Matrix<'a,T>::sinh (line 1419) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::add_val (line 1064) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::add_self (line 978) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::find (line 1394) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::at (line 512) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::eye (line 221) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::any (line 1318) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::div_val_self (line 1203) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::all (line 1299) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::from_file (line 365) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::div_self (line 1038) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::find_all (line 1413) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::count_where (line 1337) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::from_dense (line 292) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::div (line 952) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::add_val_self (line 1147) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::from_slices (line 327) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::position (line 1437) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::identity (line 248) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::div_val (line 1123) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::positions (line 1456) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::get_zero_count (line 586) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::get (line 386) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::mul_self (line 1018) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::set_where (line 1381) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::matmul_sparse (line 1245) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::mul (line 926) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::new (line 179) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::randomize (line 451) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::reshape (line 272) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::random_like (line 492) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::mul_val (line 1102) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::size (line 571) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::randomize_range_like (line 470) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::shape (line 619) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::sparsity (line 603) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::mul_val_self (line 1183) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::transpose (line 634) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::sub_self (line 998) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::sub_val_self (line 1165) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::transpose_new (line 675) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::sub_val (line 1083) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::randomize_range (line 413) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::sum_where (line 1355) ... ok
[INFO] [stdout] test src/sparse/mod.rs - sparse::SparseMatrix<'a,T>::sub (line 907) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 134 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 11.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4355eee37acc7f1ca5be4b7067b4e54a9d1f7e1a7055bc9e76a87041bd888a5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4355eee37acc7f1ca5be4b7067b4e54a9d1f7e1a7055bc9e76a87041bd888a5e", kill_on_drop: false }`
[INFO] [stdout] 4355eee37acc7f1ca5be4b7067b4e54a9d1f7e1a7055bc9e76a87041bd888a5e
