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[INFO] [stdout] warning: unused imports: `edge_flow_estimation`, `step_edge_detection`
[INFO] [stdout]  --> src/render.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |         edge_flow_estimation, edge_tangent_flow, flow_based_difference_of_gaussians,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 4 |         step_edge_detection,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `edge_flow_estimation`, `step_edge_detection`
[INFO] [stdout]  --> src/render.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |         edge_flow_estimation, edge_tangent_flow, flow_based_difference_of_gaussians,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 4 |         step_edge_detection,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `first_derivative_weight_sum` is assigned to, but never used
[INFO] [stdout]    --> src/filter.rs:333:21
[INFO] [stdout]     |
[INFO] [stdout] 333 |             let mut first_derivative_weight_sum = 0.;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: consider using `_first_derivative_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:333:21
[INFO] [stdout]     |
[INFO] [stdout] 333 |             let mut first_derivative_weight_sum = 0.;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: consider using `_first_derivative_weight_sum` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `laplacian_of_gaussian_weight_sum` is assigned to, but never used
[INFO] [stdout]    --> src/filter.rs:335:21
[INFO] [stdout]     |
[INFO] [stdout] 335 |             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: unused variable: `instrument_diameter_in_pixels`
[INFO] [stdout]   --> src/render.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     instrument_diameter_in_pixels: f64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_instrument_diameter_in_pixels`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `laplacian_of_gaussian_weight_sum` is assigned to, but never used
[INFO] [stdout]    --> src/filter.rs:335:21
[INFO] [stdout]     |
[INFO] [stdout] 335 |             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: unused variable: `instrument_diameter_in_pixels`
[INFO] [stdout]   --> src/render.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     instrument_diameter_in_pixels: f64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_instrument_diameter_in_pixels`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `EdgeFlowEstimate`
[INFO] [stdout]    --> src/filter.rs:262:12
[INFO] [stdout]     |
[INFO] [stdout] 262 | pub struct EdgeFlowEstimate {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `edge_flow_estimation`
[INFO] [stdout]    --> src/filter.rs:277:8
[INFO] [stdout]     |
[INFO] [stdout] 277 | pub fn edge_flow_estimation(image: ArrayView2<f64>) -> EdgeFlowEstimate {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `step_edge_detection`
[INFO] [stdout]    --> src/filter.rs:306:8
[INFO] [stdout]     |
[INFO] [stdout] 306 | pub fn step_edge_detection(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gaussian_pdf_first_derivative`
[INFO] [stdout]    --> src/filter.rs:421:4
[INFO] [stdout]     |
[INFO] [stdout] 421 | fn gaussian_pdf_first_derivative(x: f64, sigma: f64) -> f64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gaussian_cdf`
[INFO] [stdout]    --> src/filter.rs:427:4
[INFO] [stdout]     |
[INFO] [stdout] 427 | fn gaussian_cdf(x: f64, sigma: f64) -> f64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `erf`
[INFO] [stdout]    --> src/filter.rs:431:4
[INFO] [stdout]     |
[INFO] [stdout] 431 | fn erf(x: f64) -> f64 {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:276:5
[INFO] [stdout]     |
[INFO] [stdout] 276 |     ctx.fill();
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/render.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |             ctx.fill();
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/render.rs:180:17
[INFO] [stdout]     |
[INFO] [stdout] 180 |                 ctx.fill();
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/render.rs:200:21
[INFO] [stdout]     |
[INFO] [stdout] 200 |                     ctx.stroke();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/render.rs:220:21
[INFO] [stdout]     |
[INFO] [stdout] 220 |                     ctx.stroke();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/render.rs:234:25
[INFO] [stdout]     |
[INFO] [stdout] 234 |                         ctx.stroke();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/render.rs:247:21
[INFO] [stdout]     |
[INFO] [stdout] 247 |                     ctx.stroke();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `EdgeFlowEstimate`
[INFO] [stdout]    --> src/filter.rs:262:12
[INFO] [stdout]     |
[INFO] [stdout] 262 | pub struct EdgeFlowEstimate {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `edge_flow_estimation`
[INFO] [stdout]    --> src/filter.rs:277:8
[INFO] [stdout]     |
[INFO] [stdout] 277 | pub fn edge_flow_estimation(image: ArrayView2<f64>) -> EdgeFlowEstimate {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `step_edge_detection`
[INFO] [stdout]    --> src/filter.rs:306:8
[INFO] [stdout]     |
[INFO] [stdout] 306 | pub fn step_edge_detection(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gaussian_pdf_first_derivative`
[INFO] [stdout]    --> src/filter.rs:421:4
[INFO] [stdout]     |
[INFO] [stdout] 421 | fn gaussian_pdf_first_derivative(x: f64, sigma: f64) -> f64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gaussian_cdf`
[INFO] [stdout]    --> src/filter.rs:427:4
[INFO] [stdout]     |
[INFO] [stdout] 427 | fn gaussian_cdf(x: f64, sigma: f64) -> f64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `erf`
[INFO] [stdout]    --> src/filter.rs:431:4
[INFO] [stdout]     |
[INFO] [stdout] 431 | fn erf(x: f64) -> f64 {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:276:5
[INFO] [stdout]     |
[INFO] [stdout] 276 |     ctx.fill();
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/render.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |             ctx.fill();
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/render.rs:180:17
[INFO] [stdout]     |
[INFO] [stdout] 180 |                 ctx.fill();
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/render.rs:200:21
[INFO] [stdout]     |
[INFO] [stdout] 200 |                     ctx.stroke();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/render.rs:220:21
[INFO] [stdout]     |
[INFO] [stdout] 220 |                     ctx.stroke();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/render.rs:234:25
[INFO] [stdout]     |
[INFO] [stdout] 234 |                         ctx.stroke();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/render.rs:247:21
[INFO] [stdout]     |
[INFO] [stdout] 247 |                     ctx.stroke();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 46s
[INFO] running `Command { std: "docker" "inspect" "c958ecbdc8f46c439efdb787ca2682195fad2e0266c197ac0d86ff0abee7a92d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c958ecbdc8f46c439efdb787ca2682195fad2e0266c197ac0d86ff0abee7a92d", kill_on_drop: false }`
[INFO] [stdout] c958ecbdc8f46c439efdb787ca2682195fad2e0266c197ac0d86ff0abee7a92d
