[INFO] fetching crate single_algebra 0.8.7...
[INFO] testing single_algebra-0.8.7 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate single_algebra 0.8.7 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate single_algebra 0.8.7
[INFO] finished tweaking crates.io crate single_algebra 0.8.7
[INFO] tweaked toml for crates.io crate single_algebra 0.8.7 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate single_algebra 0.8.7 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate single_algebra 0.8.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb0a5c980edfb8cc6d1b5ad15468f044562666151a85e9e79557ab65eb34587f
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[INFO] running `Command { std: "docker" "inspect" "bb0a5c980edfb8cc6d1b5ad15468f044562666151a85e9e79557ab65eb34587f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb0a5c980edfb8cc6d1b5ad15468f044562666151a85e9e79557ab65eb34587f", kill_on_drop: false }`
[INFO] [stdout] bb0a5c980edfb8cc6d1b5ad15468f044562666151a85e9e79557ab65eb34587f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c927b9c95b02fa4bb86757285437fc8ca6e2513fbf24a1a30a423c4b913a446c
[INFO] running `Command { std: "docker" "start" "-a" "c927b9c95b02fa4bb86757285437fc8ca6e2513fbf24a1a30a423c4b913a446c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling libm v0.2.8
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[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
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[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling linfa v0.7.1
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[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling getrandom v0.2.15
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[INFO] [stderr]    Compiling nalgebra-macros v0.2.2
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[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling rand_distr v0.5.1
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling simba v0.9.1
[INFO] [stderr]    Compiling ndarray v0.15.6
[INFO] [stderr]    Compiling ndarray v0.16.1
[INFO] [stderr]    Compiling bhtsne v0.4.1
[INFO] [stderr]    Compiling sprs v0.11.1
[INFO] [stderr]    Compiling ndarray-rand v0.14.0
[INFO] [stderr]    Compiling nalgebra v0.33.2
[INFO] [stderr]    Compiling linfa-tsne v0.7.1
[INFO] [stderr]    Compiling nalgebra-sparse v0.10.0
[INFO] [stderr]    Compiling nshare v0.10.0
[INFO] [stderr]    Compiling single-svdlib v1.0.6
[INFO] [stderr]    Compiling single_algebra v0.8.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::sync::Mutex`
[INFO] [stdout]  --> src/sparse/csr.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::Mutex;
[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: `NumericOpsTS`
[INFO] [stdout]   --> src/dimred/pca/sparse/mod.rs:16:44
[INFO] [stdout]    |
[INFO] [stdout] 16 | use single_utilities::traits::{FloatOpsTS, NumericOpsTS};
[INFO] [stdout]    |                                            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `alpha` and `tolerance` are never read
[INFO] [stdout]   --> src/dimred/pca/sparse/mod.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct SparsePCA<T>
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 39 |     alpha: T,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 40 |     tolerance: T,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `alpha` and `tolerance` are never read
[INFO] [stdout]    --> src/dimred/pca/sparse_masked/mod.rs:185:5
[INFO] [stdout]     |
[INFO] [stdout] 180 | pub struct MaskedSparsePCA<T>
[INFO] [stdout]     |            --------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 185 |     alpha: T,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 186 |     tolerance: T,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ZeroVec` is never used
[INFO] [stdout]   --> src/utils/mod.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub trait ZeroVec {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 45.75s
[INFO] running `Command { std: "docker" "inspect" "c927b9c95b02fa4bb86757285437fc8ca6e2513fbf24a1a30a423c4b913a446c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c927b9c95b02fa4bb86757285437fc8ca6e2513fbf24a1a30a423c4b913a446c", kill_on_drop: false }`
[INFO] [stdout] c927b9c95b02fa4bb86757285437fc8ca6e2513fbf24a1a30a423c4b913a446c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18dbe09e00a9ebbb777a5a2828683e497ef5650c0c3330279c3fa60bcff2aeb7
[INFO] running `Command { std: "docker" "start" "-a" "18dbe09e00a9ebbb777a5a2828683e497ef5650c0c3330279c3fa60bcff2aeb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling clap_lex v0.7.4
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling anstyle v1.0.10
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[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling clap_builder v4.5.37
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
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[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling criterion-plot v0.6.0
[INFO] [stderr]    Compiling clap v4.5.37
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling bhtsne v0.4.1
[INFO] [stderr]    Compiling ndarray v0.15.6
[INFO] [stderr]    Compiling simba v0.9.1
[INFO] [stderr]    Compiling ndarray v0.16.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.7.0
[INFO] [stderr]    Compiling sprs v0.11.1
[INFO] [stderr]    Compiling ndarray-rand v0.14.0
[INFO] [stderr]    Compiling linfa v0.7.1
[INFO] [stderr]    Compiling linfa-tsne v0.7.1
[INFO] [stderr]    Compiling nalgebra v0.33.2
[INFO] [stderr]    Compiling nshare v0.10.0
[INFO] [stderr]    Compiling nalgebra-sparse v0.10.0
[INFO] [stderr]    Compiling single-svdlib v1.0.6
[INFO] [stderr]    Compiling single_algebra v0.8.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::sync::Mutex`
[INFO] [stdout]  --> src/sparse/csr.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::Mutex;
[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: `NumericOpsTS`
[INFO] [stdout]   --> src/dimred/pca/sparse/mod.rs:16:44
[INFO] [stdout]    |
[INFO] [stdout] 16 | use single_utilities::traits::{FloatOpsTS, NumericOpsTS};
[INFO] [stdout]    |                                            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Mutex`
[INFO] [stdout]  --> src/sparse/csr.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::Mutex;
[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: `NumericOpsTS`
[INFO] [stdout]   --> src/dimred/pca/sparse/mod.rs:16:44
[INFO] [stdout]    |
[INFO] [stdout] 16 | use single_utilities::traits::{FloatOpsTS, NumericOpsTS};
[INFO] [stdout]    |                                            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `alpha` and `tolerance` are never read
[INFO] [stdout]   --> src/dimred/pca/sparse/mod.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct SparsePCA<T>
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 39 |     alpha: T,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 40 |     tolerance: T,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `alpha` and `tolerance` are never read
[INFO] [stdout]    --> src/dimred/pca/sparse_masked/mod.rs:185:5
[INFO] [stdout]     |
[INFO] [stdout] 180 | pub struct MaskedSparsePCA<T>
[INFO] [stdout]     |            --------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 185 |     alpha: T,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 186 |     tolerance: T,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ZeroVec` is never used
[INFO] [stdout]   --> src/utils/mod.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub trait ZeroVec {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `alpha` and `tolerance` are never read
[INFO] [stdout]   --> src/dimred/pca/sparse/mod.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct SparsePCA<T>
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 39 |     alpha: T,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 40 |     tolerance: T,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `alpha` and `tolerance` are never read
[INFO] [stdout]    --> src/dimred/pca/sparse_masked/mod.rs:185:5
[INFO] [stdout]     |
[INFO] [stdout] 180 | pub struct MaskedSparsePCA<T>
[INFO] [stdout]     |            --------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 185 |     alpha: T,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 186 |     tolerance: T,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ZeroVec` is never used
[INFO] [stdout]   --> src/utils/mod.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub trait ZeroVec {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 40.30s
[INFO] running `Command { std: "docker" "inspect" "18dbe09e00a9ebbb777a5a2828683e497ef5650c0c3330279c3fa60bcff2aeb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18dbe09e00a9ebbb777a5a2828683e497ef5650c0c3330279c3fa60bcff2aeb7", kill_on_drop: false }`
[INFO] [stdout] 18dbe09e00a9ebbb777a5a2828683e497ef5650c0c3330279c3fa60bcff2aeb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2d42bff8f910d2f46c7f420a0f6624c56cb3c7d6eb6aaeda0d362c25fd041a26
[INFO] running `Command { std: "docker" "start" "-a" "2d42bff8f910d2f46c7f420a0f6624c56cb3c7d6eb6aaeda0d362c25fd041a26", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::sync::Mutex`
[INFO] [stderr]  --> src/sparse/csr.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::sync::Mutex;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `NumericOpsTS`
[INFO] [stderr]   --> src/dimred/pca/sparse/mod.rs:16:44
[INFO] [stderr]    |
[INFO] [stderr] 16 | use single_utilities::traits::{FloatOpsTS, NumericOpsTS};
[INFO] [stderr]    |                                            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `alpha` and `tolerance` are never read
[INFO] [stderr]   --> src/dimred/pca/sparse/mod.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub struct SparsePCA<T>
[INFO] [stderr]    |            --------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 39 |     alpha: T,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 40 |     tolerance: T,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `alpha` and `tolerance` are never read
[INFO] [stderr]    --> src/dimred/pca/sparse_masked/mod.rs:185:5
[INFO] [stderr]     |
[INFO] [stderr] 180 | pub struct MaskedSparsePCA<T>
[INFO] [stderr]     |            --------------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 185 |     alpha: T,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] 186 |     tolerance: T,
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `ZeroVec` is never used
[INFO] [stderr]   --> src/utils/mod.rs:19:11
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub trait ZeroVec {
[INFO] [stderr]    |           ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `single_algebra` (lib) generated 5 warnings (run `cargo fix --lib -p single_algebra` to apply 2 suggestions)
[INFO] [stderr] warning: `single_algebra` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/single_algebra-313dfa575f61d5ec)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test dense::tests::test_normalize ... ok
[INFO] [stdout] test sparse::csc::tests::test_csc_normalization ... ok
[INFO] [stdout] test sparse::csc::tests::test_matrix_sum ... ok
[INFO] [stdout] test sparse::csr::tests::test_csr_normalize ... ok
[INFO] [stdout] test sparse::csc::tests::test_matrix_min_max ... ok
[INFO] [stdout] test sparse::csc::tests::test_zero_elements ... ok
[INFO] [stdout] test sparse::csr::tests::test_empty_matrix ... ok
[INFO] [stdout] test sparse::csr::tests::test_nonzero_col ... ok
[INFO] [stdout] test sparse::csr::tests::test_nonzero_row ... ok
[INFO] [stdout] test sparse::csr::tests::test_nonzero_col_chunk ... ok
[INFO] [stdout] test sparse::csr::tests::test_chunk_smaller_than_matrix ... ok
[INFO] [stdout] test sparse::csr::tests::test_zero_matrix ... ok
[INFO] [stdout] test sparse::csr::tests::test_nonzero_row_chunk ... ok
[INFO] [stdout] test sparse::csr::tests::test_large_sparse_matrix ... ok
[INFO] [stdout] test sparse::csr::tests::test_different_integer_types ... ok
[INFO] [stdout] test dense::tests::test_normalize_errors ... ok
[INFO] [stdout] test sparse::csc::tests::test_matrix_nonzero ... ok
[INFO] [stdout] test sparse::csc::tests::test_matrix_variance ... ok
[INFO] [stdout] test dimred::pca::sparse::test::test_random_matrix_sparse_svd_comp_random has been running for over 60 seconds
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/single_algebra-313dfa575f61d5ec` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "2d42bff8f910d2f46c7f420a0f6624c56cb3c7d6eb6aaeda0d362c25fd041a26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d42bff8f910d2f46c7f420a0f6624c56cb3c7d6eb6aaeda0d362c25fd041a26", kill_on_drop: false }`
[INFO] [stdout] 2d42bff8f910d2f46c7f420a0f6624c56cb3c7d6eb6aaeda0d362c25fd041a26
