[INFO] cloning repository https://github.com/ShepelLeo/crustify
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ShepelLeo/crustify" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShepelLeo%2Fcrustify", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShepelLeo%2Fcrustify'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac91c066d7fb4ce6fcb2f37b0e7f6f30a7d0d728
[INFO] testing ShepelLeo/crustify against beta-2025-09-21 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShepelLeo%2Fcrustify" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ShepelLeo/crustify
[INFO] finished tweaking git repo https://github.com/ShepelLeo/crustify
[INFO] tweaked toml for git repo https://github.com/ShepelLeo/crustify written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ShepelLeo/crustify 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 git repo https://github.com/ShepelLeo/crustify 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 25 packages to latest compatible versions
[INFO] [stderr]       Adding anstream v0.6.20
[INFO] [stderr]       Adding anstyle-parse v0.2.7
[INFO] [stderr]       Adding anstyle-query v1.1.4
[INFO] [stderr]       Adding anstyle-wincon v3.0.10
[INFO] [stderr]       Adding colorchoice v1.0.4
[INFO] [stderr]       Adding env_filter v0.1.3
[INFO] [stderr]       Adding env_logger v0.11.8
[INFO] [stderr]       Adding is_terminal_polyfill v1.70.1
[INFO] [stderr]       Adding jiff v0.2.15
[INFO] [stderr]       Adding jiff-static v0.2.15
[INFO] [stderr]       Adding once_cell_polyfill v1.70.1
[INFO] [stderr]       Adding portable-atomic v1.11.1
[INFO] [stderr]       Adding portable-atomic-util v0.2.4
[INFO] [stderr]       Adding utf8parse v0.2.2
[INFO] [stderr]       Adding windows-link v0.1.3
[INFO] [stderr]       Adding windows-sys v0.60.2
[INFO] [stderr]       Adding windows-targets v0.53.3
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.53.0
[INFO] [stderr]       Adding windows_aarch64_msvc v0.53.0
[INFO] [stderr]       Adding windows_i686_gnu v0.53.0
[INFO] [stderr]       Adding windows_i686_gnullvm v0.53.0
[INFO] [stderr]       Adding windows_i686_msvc v0.53.0
[INFO] [stderr]       Adding windows_x86_64_gnu v0.53.0
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.53.0
[INFO] [stderr]       Adding windows_x86_64_msvc v0.53.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 29eb5af730b711b40ade5ad469de7b4caafbde1ad4839b31c68e31a9e2257922
[INFO] running `Command { std: "docker" "start" "-a" "29eb5af730b711b40ade5ad469de7b4caafbde1ad4839b31c68e31a9e2257922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29eb5af730b711b40ade5ad469de7b4caafbde1ad4839b31c68e31a9e2257922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29eb5af730b711b40ade5ad469de7b4caafbde1ad4839b31c68e31a9e2257922", kill_on_drop: false }`
[INFO] [stdout] 29eb5af730b711b40ade5ad469de7b4caafbde1ad4839b31c68e31a9e2257922
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] bdea731a85ff62844cc4594f7f5a0fb9abbd23b8ced8322dd1e38132754cbc8a
[INFO] running `Command { std: "docker" "start" "-a" "bdea731a85ff62844cc4594f7f5a0fb9abbd23b8ced8322dd1e38132754cbc8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling anstyle-query v1.1.4
[INFO] [stderr]    Compiling jiff v0.2.15
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling anstream v0.6.20
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ndarray v0.15.6
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling env_filter v0.1.3
[INFO] [stderr]    Compiling env_logger v0.11.8
[INFO] [stderr]    Compiling ndarray-rand v0.14.0
[INFO] [stderr]    Compiling cross v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]    --> src/lib.rs:763:26
[INFO] [stdout]     |
[INFO] [stdout] 763 | use std::time::{Instant, Duration};
[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: `std::mem::size_of`
[INFO] [stdout]    --> src/lib.rs:764:5
[INFO] [stdout]     |
[INFO] [stdout] 764 | use std::mem::size_of;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Array1` and `ArrayView1`
[INFO] [stdout]    --> src/lib.rs:765:15
[INFO] [stdout]     |
[INFO] [stdout] 765 | use ndarray::{Array1, ArrayView1};
[INFO] [stdout]     |               ^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `logging`
[INFO] [stdout]     --> src/lib.rs:1001:11
[INFO] [stdout]      |
[INFO] [stdout] 1001 |     #[cfg(feature = "logging")]
[INFO] [stdout]      |           ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `logging` as a feature in `Cargo.toml`
[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: struct `ExpMatrix` is never constructed
[INFO] [stdout]    --> src/lib.rs:776:8
[INFO] [stdout]     |
[INFO] [stdout] 776 | struct ExpMatrix {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/lib.rs:783:8
[INFO] [stdout]     |
[INFO] [stdout] 782 | impl ExpMatrix {
[INFO] [stdout]     | -------------- associated function in this implementation
[INFO] [stdout] 783 |     fn new(rows: usize, cols: usize, sigma: f64) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MemoryTracker` is never constructed
[INFO] [stdout]    --> src/lib.rs:811:8
[INFO] [stdout]     |
[INFO] [stdout] 811 | struct MemoryTracker {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `update`, and `report` are never used
[INFO] [stdout]    --> src/lib.rs:818:8
[INFO] [stdout]     |
[INFO] [stdout] 817 | impl MemoryTracker {
[INFO] [stdout]     | ------------------ associated items in this implementation
[INFO] [stdout] 818 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 830 |     fn update(&mut self) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 837 |     fn report(&self) -> (usize, usize) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_current_memory_usage` is never used
[INFO] [stdout]    --> src/lib.rs:848:4
[INFO] [stdout]     |
[INFO] [stdout] 848 | fn get_current_memory_usage() -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `benchmark_cross_approx` is never used
[INFO] [stdout]    --> src/lib.rs:892:4
[INFO] [stdout]     |
[INFO] [stdout] 892 | fn benchmark_cross_approx() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `validate_approximation` is never used
[INFO] [stdout]    --> src/lib.rs:937:4
[INFO] [stdout]     |
[INFO] [stdout] 937 | fn validate_approximation<M: MatrixAccess>(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]    --> src/lib.rs:999:4
[INFO] [stdout]     |
[INFO] [stdout] 999 | fn main() {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.44s
[INFO] running `Command { std: "docker" "inspect" "bdea731a85ff62844cc4594f7f5a0fb9abbd23b8ced8322dd1e38132754cbc8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdea731a85ff62844cc4594f7f5a0fb9abbd23b8ced8322dd1e38132754cbc8a", kill_on_drop: false }`
[INFO] [stdout] bdea731a85ff62844cc4594f7f5a0fb9abbd23b8ced8322dd1e38132754cbc8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7cbb72b14602e870f5c3ccb6a3fba3a956b94eac077d67ade0985568a5ac30c7
[INFO] running `Command { std: "docker" "start" "-a" "7cbb72b14602e870f5c3ccb6a3fba3a956b94eac077d67ade0985568a5ac30c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling clap_builder v4.5.36
[INFO] [stderr]    Compiling is-terminal v0.4.16
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling ndarray v0.15.6
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling clap v4.5.36
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling ndarray-rand v0.14.0
[INFO] [stderr]    Compiling cross v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]    --> src/lib.rs:763:26
[INFO] [stdout]     |
[INFO] [stdout] 763 | use std::time::{Instant, Duration};
[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: `std::mem::size_of`
[INFO] [stdout]    --> src/lib.rs:764:5
[INFO] [stdout]     |
[INFO] [stdout] 764 | use std::mem::size_of;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Array1` and `ArrayView1`
[INFO] [stdout]    --> src/lib.rs:765:15
[INFO] [stdout]     |
[INFO] [stdout] 765 | use ndarray::{Array1, ArrayView1};
[INFO] [stdout]     |               ^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `logging`
[INFO] [stdout]     --> src/lib.rs:1001:11
[INFO] [stdout]      |
[INFO] [stdout] 1001 |     #[cfg(feature = "logging")]
[INFO] [stdout]      |           ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `logging` as a feature in `Cargo.toml`
[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: struct `ExpMatrix` is never constructed
[INFO] [stdout]    --> src/lib.rs:776:8
[INFO] [stdout]     |
[INFO] [stdout] 776 | struct ExpMatrix {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/lib.rs:783:8
[INFO] [stdout]     |
[INFO] [stdout] 782 | impl ExpMatrix {
[INFO] [stdout]     | -------------- associated function in this implementation
[INFO] [stdout] 783 |     fn new(rows: usize, cols: usize, sigma: f64) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MemoryTracker` is never constructed
[INFO] [stdout]    --> src/lib.rs:811:8
[INFO] [stdout]     |
[INFO] [stdout] 811 | struct MemoryTracker {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `update`, and `report` are never used
[INFO] [stdout]    --> src/lib.rs:818:8
[INFO] [stdout]     |
[INFO] [stdout] 817 | impl MemoryTracker {
[INFO] [stdout]     | ------------------ associated items in this implementation
[INFO] [stdout] 818 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 830 |     fn update(&mut self) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 837 |     fn report(&self) -> (usize, usize) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_current_memory_usage` is never used
[INFO] [stdout]    --> src/lib.rs:848:4
[INFO] [stdout]     |
[INFO] [stdout] 848 | fn get_current_memory_usage() -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `benchmark_cross_approx` is never used
[INFO] [stdout]    --> src/lib.rs:892:4
[INFO] [stdout]     |
[INFO] [stdout] 892 | fn benchmark_cross_approx() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `validate_approximation` is never used
[INFO] [stdout]    --> src/lib.rs:937:4
[INFO] [stdout]     |
[INFO] [stdout] 937 | fn validate_approximation<M: MatrixAccess>(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]    --> src/lib.rs:999:4
[INFO] [stdout]     |
[INFO] [stdout] 999 | fn main() {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]    --> src/lib.rs:763:26
[INFO] [stdout]     |
[INFO] [stdout] 763 | use std::time::{Instant, Duration};
[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: `std::mem::size_of`
[INFO] [stdout]    --> src/lib.rs:764:5
[INFO] [stdout]     |
[INFO] [stdout] 764 | use std::mem::size_of;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Array1` and `ArrayView1`
[INFO] [stdout]    --> src/lib.rs:765:15
[INFO] [stdout]     |
[INFO] [stdout] 765 | use ndarray::{Array1, ArrayView1};
[INFO] [stdout]     |               ^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `logging`
[INFO] [stdout]     --> src/lib.rs:1001:11
[INFO] [stdout]      |
[INFO] [stdout] 1001 |     #[cfg(feature = "logging")]
[INFO] [stdout]      |           ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `logging` as a feature in `Cargo.toml`
[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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.46s
[INFO] running `Command { std: "docker" "inspect" "7cbb72b14602e870f5c3ccb6a3fba3a956b94eac077d67ade0985568a5ac30c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cbb72b14602e870f5c3ccb6a3fba3a956b94eac077d67ade0985568a5ac30c7", kill_on_drop: false }`
[INFO] [stdout] 7cbb72b14602e870f5c3ccb6a3fba3a956b94eac077d67ade0985568a5ac30c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1cf33d5eba214e20a732fb4320949a51a2c8ccae4abfde17c85ddfd8d758d52b
[INFO] running `Command { std: "docker" "start" "-a" "1cf33d5eba214e20a732fb4320949a51a2c8ccae4abfde17c85ddfd8d758d52b", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Duration`
[INFO] [stderr]    --> src/lib.rs:763:26
[INFO] [stderr]     |
[INFO] [stderr] 763 | use std::time::{Instant, Duration};
[INFO] [stderr]     |                          ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem::size_of`
[INFO] [stderr]    --> src/lib.rs:764:5
[INFO] [stderr]     |
[INFO] [stderr] 764 | use std::mem::size_of;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Array1` and `ArrayView1`
[INFO] [stderr]    --> src/lib.rs:765:15
[INFO] [stderr]     |
[INFO] [stderr] 765 | use ndarray::{Array1, ArrayView1};
[INFO] [stderr]     |               ^^^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `logging`
[INFO] [stderr]     --> src/lib.rs:1001:11
[INFO] [stderr]      |
[INFO] [stderr] 1001 |     #[cfg(feature = "logging")]
[INFO] [stderr]      |           ^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]      |
[INFO] [stderr]      = note: no expected values for `feature`
[INFO] [stderr]      = help: consider adding `logging` as a feature in `Cargo.toml`
[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: struct `ExpMatrix` is never constructed
[INFO] [stderr]    --> src/lib.rs:776:8
[INFO] [stderr]     |
[INFO] [stderr] 776 | struct ExpMatrix {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]    --> src/lib.rs:783:8
[INFO] [stderr]     |
[INFO] [stderr] 782 | impl ExpMatrix {
[INFO] [stderr]     | -------------- associated function in this implementation
[INFO] [stderr] 783 |     fn new(rows: usize, cols: usize, sigma: f64) -> Self {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MemoryTracker` is never constructed
[INFO] [stderr]    --> src/lib.rs:811:8
[INFO] [stderr]     |
[INFO] [stderr] 811 | struct MemoryTracker {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `update`, and `report` are never used
[INFO] [stderr]    --> src/lib.rs:818:8
[INFO] [stderr]     |
[INFO] [stderr] 817 | impl MemoryTracker {
[INFO] [stderr]     | ------------------ associated items in this implementation
[INFO] [stderr] 818 |     fn new() -> Self {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 830 |     fn update(&mut self) {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 837 |     fn report(&self) -> (usize, usize) {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_current_memory_usage` is never used
[INFO] [stderr]    --> src/lib.rs:848:4
[INFO] [stderr]     |
[INFO] [stderr] 848 | fn get_current_memory_usage() -> usize {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `benchmark_cross_approx` is never used
[INFO] [stderr]    --> src/lib.rs:892:4
[INFO] [stderr]     |
[INFO] [stderr] 892 | fn benchmark_cross_approx() {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `validate_approximation` is never used
[INFO] [stderr]    --> src/lib.rs:937:4
[INFO] [stderr]     |
[INFO] [stderr] 937 | fn validate_approximation<M: MatrixAccess>(
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]    --> src/lib.rs:999:4
[INFO] [stderr]     |
[INFO] [stderr] 999 | fn main() {
[INFO] [stderr]     |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `cross` (lib) generated 12 warnings (run `cargo fix --lib -p cross` to apply 3 suggestions)
[INFO] [stderr] warning: `cross` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cross-9a0fd28b8ce74c7e)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[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/cross-9a0fd28b8ce74c7e` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "1cf33d5eba214e20a732fb4320949a51a2c8ccae4abfde17c85ddfd8d758d52b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cf33d5eba214e20a732fb4320949a51a2c8ccae4abfde17c85ddfd8d758d52b", kill_on_drop: false }`
[INFO] [stdout] 1cf33d5eba214e20a732fb4320949a51a2c8ccae4abfde17c85ddfd8d758d52b
