[INFO] cloning repository https://github.com/sameer/raster2svg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sameer/raster2svg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsameer%2Fraster2svg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsameer%2Fraster2svg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b28b7e0302fab7a26fae1555afbb549f6ac308d1
[INFO] checking sameer/raster2svg against master#32cd9114712a24010b0583624dc52ac302194128 for pr-143717
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsameer%2Fraster2svg" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sameer/raster2svg
[INFO] finished tweaking git repo https://github.com/sameer/raster2svg
[INFO] tweaked toml for git repo https://github.com/sameer/raster2svg written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sameer/raster2svg on toolchain 32cd9114712a24010b0583624dc52ac302194128
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sameer/raster2svg 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" "+32cd9114712a24010b0583624dc52ac302194128" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clamp v0.1.0
[INFO] [stderr]   Downloaded ndarray-stats v0.6.0
[INFO] [stderr]   Downloaded pdqselect v0.1.1
[INFO] [stderr]   Downloaded spade v1.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 292bf6e31d7524aa2a419e36a47e00cdf43cfc447ab9e12a508fd5d121f3f676
[INFO] running `Command { std: "docker" "start" "-a" "292bf6e31d7524aa2a419e36a47e00cdf43cfc447ab9e12a508fd5d121f3f676", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "292bf6e31d7524aa2a419e36a47e00cdf43cfc447ab9e12a508fd5d121f3f676", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "292bf6e31d7524aa2a419e36a47e00cdf43cfc447ab9e12a508fd5d121f3f676", kill_on_drop: false }`
[INFO] [stdout] 292bf6e31d7524aa2a419e36a47e00cdf43cfc447ab9e12a508fd5d121f3f676
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49dc89f9d6dfca6a6618f631bb272052585137ad50d43587e78ddf4be495d0a3
[INFO] running `Command { std: "docker" "start" "-a" "49dc89f9d6dfca6a6618f631bb272052585137ad50d43587e78ddf4be495d0a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling indexmap v2.7.0
[INFO] [stderr]    Compiling winnow v0.6.22
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.94
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling cfg-expr v0.17.2
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking miniz_oxide v0.8.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]     Checking aligned-vec v0.5.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling version-compare v0.2.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling built v0.7.5
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking v_frame v0.3.8
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]    Compiling rav1e v0.7.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling serde_spanned v0.6.8
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling toml_edit v0.22.22
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]     Checking flate2 v1.0.35
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking av1-grain v0.2.3
[INFO] [stderr]     Checking maybe-rayon v0.1.1
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]     Checking imgref v1.11.0
[INFO] [stderr]    Compiling noop_proc_macro v0.3.0
[INFO] [stderr]     Checking bitstream-io v2.6.0
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]     Checking weezl v0.1.8
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]     Checking new_debug_unreachable v1.0.6
[INFO] [stderr]     Checking loop9 v0.1.5
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]     Checking avif-serialize v0.8.2
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]    Compiling toml v0.8.19
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking zune-inflate v0.2.54
[INFO] [stderr]    Compiling system-deps v7.0.3
[INFO] [stderr]     Checking fdeflate v0.3.7
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling profiling-procmacros v1.0.16
[INFO] [stderr]     Checking profiling v1.0.16
[INFO] [stderr]    Compiling arg_enum_proc_macro v0.3.4
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling cairo-sys-rs v0.20.7
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking jpeg-decoder v0.3.1
[INFO] [stderr]     Checking byteorder-lite v0.1.0
[INFO] [stderr]     Checking zune-core v0.4.12
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking lebe v0.5.2
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking rgb v0.8.50
[INFO] [stderr]     Checking bytemuck v1.21.0
[INFO] [stderr]    Compiling serde_json v1.0.134
[INFO] [stderr]     Checking tiff v0.9.1
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking clap_builder v4.5.23
[INFO] [stderr]     Checking exr v1.73.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking gif v0.13.1
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling serde_with_macros v1.5.2
[INFO] [stderr]     Checking image-webp v0.2.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking png v0.17.16
[INFO] [stderr]     Checking zune-jpeg v0.4.14
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking noisy_float v0.2.0
[INFO] [stderr]     Checking euclid v0.22.11
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking clamp v0.1.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking pdqselect v0.1.1
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking itoa v1.0.14
[INFO] [stderr]     Checking pin-project-lite v0.2.15
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking lyon_geom v0.17.7
[INFO] [stderr]     Checking cairo-rs v0.20.7
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking clap v4.5.23
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking ndarray v0.16.1
[INFO] [stderr]     Checking uom v0.36.0
[INFO] [stderr]     Checking serde_with v1.14.0
[INFO] [stderr]     Checking pretty_assertions v1.4.1
[INFO] [stderr]     Checking ravif v0.11.11
[INFO] [stderr]     Checking image v0.25.5
[INFO] [stderr]     Checking ndarray-stats v0.6.0
[INFO] [stderr]     Checking spade v1.8.2
[INFO] [stderr]     Checking raster2svg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `first_derivative_weight_sum` is assigned to, but never used
[INFO] [stdout]    --> src/filter.rs:325:21
[INFO] [stdout]     |
[INFO] [stdout] 325 |             let mut first_derivative_weight_sum = 0.;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_first_derivative_weight_sum` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `laplacian_of_gaussian_weight_sum` is assigned to, but never used
[INFO] [stdout]    --> src/filter.rs:327:21
[INFO] [stdout]     |
[INFO] [stdout] 327 |             let mut laplacian_of_gaussian_weight_sum = 0.;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_laplacian_of_gaussian_weight_sum` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `first_derivative_weight_sum` is assigned to, but never used
[INFO] [stdout]    --> src/filter.rs:325:21
[INFO] [stdout]     |
[INFO] [stdout] 325 |             let mut first_derivative_weight_sum = 0.;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_first_derivative_weight_sum` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `laplacian_of_gaussian_weight_sum` is assigned to, but never used
[INFO] [stdout]    --> src/filter.rs:327:21
[INFO] [stdout]     |
[INFO] [stdout] 327 |             let mut laplacian_of_gaussian_weight_sum = 0.;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_laplacian_of_gaussian_weight_sum` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NUM_STANDARD_DEVIATIONS` is never used
[INFO] [stdout]   --> src/filter.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const NUM_STANDARD_DEVIATIONS: f64 = 3.;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sobel_operator` is never used
[INFO] [stdout]   --> src/filter.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn sobel_operator(image: ArrayView2<f64>) -> Array2<Vector<f64>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `edge_tangent_flow` is never used
[INFO] [stdout]   --> src/filter.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn edge_tangent_flow(image: ArrayView2<f64>) -> Array2<Vector<f64>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `flow_based_difference_of_gaussians` is never used
[INFO] [stdout]   --> src/filter.rs:96:8
[INFO] [stdout]    |
[INFO] [stdout] 96 | pub fn flow_based_difference_of_gaussians(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EdgeFlowEstimate` is never constructed
[INFO] [stdout]    --> src/filter.rs:258:12
[INFO] [stdout]     |
[INFO] [stdout] 258 | pub struct EdgeFlowEstimate {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `edge_flow_estimation` is never used
[INFO] [stdout]    --> src/filter.rs:273:8
[INFO] [stdout]     |
[INFO] [stdout] 273 | pub fn edge_flow_estimation(image: ArrayView2<f64>) -> EdgeFlowEstimate {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `step_edge_detection` is never used
[INFO] [stdout]    --> src/filter.rs:302:8
[INFO] [stdout]     |
[INFO] [stdout] 302 | pub fn step_edge_detection(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gaussian_pdf` is never used
[INFO] [stdout]    --> src/filter.rs:408:4
[INFO] [stdout]     |
[INFO] [stdout] 408 | fn gaussian_pdf(x: f64, sigma: f64) -> f64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gaussian_pdf_first_derivative` is never used
[INFO] [stdout]    --> src/filter.rs:414:4
[INFO] [stdout]     |
[INFO] [stdout] 414 | fn gaussian_pdf_first_derivative(x: f64, sigma: f64) -> f64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gaussian_cdf` is never used
[INFO] [stdout]    --> src/filter.rs:420:4
[INFO] [stdout]     |
[INFO] [stdout] 420 | fn gaussian_cdf(x: f64, sigma: f64) -> f64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `erf` is never used
[INFO] [stdout]    --> src/filter.rs:424:4
[INFO] [stdout]     |
[INFO] [stdout] 424 | fn erf(x: f64) -> f64 {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `convolve` is never used
[INFO] [stdout]    --> src/filter.rs:443:4
[INFO] [stdout]     |
[INFO] [stdout] 443 | fn convolve<'a>(image: ArrayView2<'a, f64>, kernel: ArrayView2<'a, f64>) -> Array2<f64> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Direct` is never constructed
[INFO] [stdout]   --> src/optimize/direct.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Direct<F>
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DirectState` is never constructed
[INFO] [stdout]   --> src/optimize/direct.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct DirectState {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SizeMetric` is never used
[INFO] [stdout]   --> src/optimize/direct.rs:39:10
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub enum SizeMetric {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rectangle` is never constructed
[INFO] [stdout]   --> src/optimize/direct.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | struct Rectangle {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Group` is never constructed
[INFO] [stdout]   --> src/optimize/direct.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | struct Group {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `fmin` is never used
[INFO] [stdout]   --> src/optimize/direct.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 80 | impl Group {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 81 |     fn fmin(&self) -> f64 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `run`, `initialize`, `extract_potentially_optimal`, `split`, and `denormalize_point` are never used
[INFO] [stdout]    --> src/optimize/direct.rs:90:12
[INFO] [stdout]     |
[INFO] [stdout] 86  | / impl<F> Direct<F>
[INFO] [stdout] 87  | | where
[INFO] [stdout] 88  | |     F: Fn(ArrayView1<f64>) -> f64,
[INFO] [stdout]     | |__________________________________- methods in this implementation
[INFO] [stdout] 89  |   {
[INFO] [stdout] 90  |       pub fn run(&self) -> (Array1<f64>, f64) {
[INFO] [stdout]     |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 134 |       fn initialize(&self, state: &mut DirectState) {
[INFO] [stdout]     |          ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 158 |       fn extract_potentially_optimal(
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 241 |       fn split(
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 407 |       fn denormalize_point(&self, hypercube_point: ArrayView1<Rational64>) -> Array1<f64> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AdaptiveEpsilon` is never constructed
[INFO] [stdout]    --> src/optimize/direct.rs:418:8
[INFO] [stdout]     |
[INFO] [stdout] 418 | struct AdaptiveEpsilon {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `value`, `improved`, and `no_improvement` are never used
[INFO] [stdout]    --> src/optimize/direct.rs:425:8
[INFO] [stdout]     |
[INFO] [stdout] 424 | impl AdaptiveEpsilon {
[INFO] [stdout]     | -------------------- associated items in this implementation
[INFO] [stdout] 425 |     fn new(enabled: bool) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 433 |     fn value(&self) -> f64 {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 444 |     fn improved(&mut self, iteration: usize) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 449 |     fn no_improvement(&mut self, iteration: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `render_fdog_based` is never used
[INFO] [stdout]   --> src/render.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn render_fdog_based(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NUM_STANDARD_DEVIATIONS` is never used
[INFO] [stdout]   --> src/filter.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const NUM_STANDARD_DEVIATIONS: f64 = 3.;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sobel_operator` is never used
[INFO] [stdout]   --> src/filter.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn sobel_operator(image: ArrayView2<f64>) -> Array2<Vector<f64>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `edge_tangent_flow` is never used
[INFO] [stdout]   --> src/filter.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn edge_tangent_flow(image: ArrayView2<f64>) -> Array2<Vector<f64>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `flow_based_difference_of_gaussians` is never used
[INFO] [stdout]   --> src/filter.rs:96:8
[INFO] [stdout]    |
[INFO] [stdout] 96 | pub fn flow_based_difference_of_gaussians(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EdgeFlowEstimate` is never constructed
[INFO] [stdout]    --> src/filter.rs:258:12
[INFO] [stdout]     |
[INFO] [stdout] 258 | pub struct EdgeFlowEstimate {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `edge_flow_estimation` is never used
[INFO] [stdout]    --> src/filter.rs:273:8
[INFO] [stdout]     |
[INFO] [stdout] 273 | pub fn edge_flow_estimation(image: ArrayView2<f64>) -> EdgeFlowEstimate {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `step_edge_detection` is never used
[INFO] [stdout]    --> src/filter.rs:302:8
[INFO] [stdout]     |
[INFO] [stdout] 302 | pub fn step_edge_detection(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gaussian_pdf` is never used
[INFO] [stdout]    --> src/filter.rs:408:4
[INFO] [stdout]     |
[INFO] [stdout] 408 | fn gaussian_pdf(x: f64, sigma: f64) -> f64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gaussian_pdf_first_derivative` is never used
[INFO] [stdout]    --> src/filter.rs:414:4
[INFO] [stdout]     |
[INFO] [stdout] 414 | fn gaussian_pdf_first_derivative(x: f64, sigma: f64) -> f64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gaussian_cdf` is never used
[INFO] [stdout]    --> src/filter.rs:420:4
[INFO] [stdout]     |
[INFO] [stdout] 420 | fn gaussian_cdf(x: f64, sigma: f64) -> f64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `erf` is never used
[INFO] [stdout]    --> src/filter.rs:424:4
[INFO] [stdout]     |
[INFO] [stdout] 424 | fn erf(x: f64) -> f64 {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `L2` and `Linf` are never constructed
[INFO] [stdout]   --> src/optimize/direct.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub enum SizeMetric {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 43 |     L2,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 44 |     /// Largest dimension
[INFO] [stdout] 45 |     Linf,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `render_fdog_based` is never used
[INFO] [stdout]   --> src/render.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn render_fdog_based(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 02s
[INFO] running `Command { std: "docker" "inspect" "49dc89f9d6dfca6a6618f631bb272052585137ad50d43587e78ddf4be495d0a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49dc89f9d6dfca6a6618f631bb272052585137ad50d43587e78ddf4be495d0a3", kill_on_drop: false }`
[INFO] [stdout] 49dc89f9d6dfca6a6618f631bb272052585137ad50d43587e78ddf4be495d0a3
