[INFO] fetching crate sukker 2.1.3...
[INFO] checking sukker-2.1.3 against nightly-2024-02-05 for check-cfg-2
[INFO] extracting crate sukker 2.1.3 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate sukker 2.1.3 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-3-tc1/source/Cargo.toml
[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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66a1f6ea94f4fa6bcb4b427d756037204af04bf60d6f539120de32a11a08e641
[INFO] running `Command { std: "docker" "start" "-a" "66a1f6ea94f4fa6bcb4b427d756037204af04bf60d6f539120de32a11a08e641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66a1f6ea94f4fa6bcb4b427d756037204af04bf60d6f539120de32a11a08e641", kill_on_drop: false }`
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[INFO] [stderr]    Compiling serde v1.0.164
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[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]     Checking either v1.8.1
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[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling rustix v0.37.20
[INFO] [stderr]    Compiling syn v2.0.18
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[INFO] [stderr]     Checking crossbeam-deque v0.8.3
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[INFO] [stderr]     Checking ciborium v0.2.1
[INFO] [stderr]     Checking sukker v2.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `IntoParallelIterator`, `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)]` 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: unused imports: `_MM_HINT_NTA`, `__m128d`, `_mm256_add_epi64`, `_mm_add_pd`, `_mm_load_pd`, `_mm_mul_pd`, `_mm_prefetch`, `_mm_store_pd`, `_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)]` 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)]` 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)]` 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)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in the macro `$crate::write` which comes from the expansion of the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[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)]` 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]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in the macro `$crate::write` which comes from the expansion of the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] [stdout] warning: 36 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] warning: unused imports: `IntoParallelIterator`, `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)]` 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: unused imports: `_MM_HINT_NTA`, `__m128d`, `_mm256_add_epi64`, `_mm_add_pd`, `_mm_load_pd`, `_mm_mul_pd`, `_mm_prefetch`, `_mm_store_pd`, `_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)]` 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)]` 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)]` 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)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in the macro `$crate::write` which comes from the expansion of the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[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)]` 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]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in the macro `$crate::write` which comes from the expansion of the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] [stdout] warning: 36 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.37s
[INFO] running `Command { std: "docker" "inspect" "efed9b9e48d45ed8df9471ab49c9cae849fef1b561fd9e892f5b78397240d8b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efed9b9e48d45ed8df9471ab49c9cae849fef1b561fd9e892f5b78397240d8b9", kill_on_drop: false }`
[INFO] [stdout] efed9b9e48d45ed8df9471ab49c9cae849fef1b561fd9e892f5b78397240d8b9
