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[INFO] [stdout] warning: unused variable: `function`
[INFO] [stdout]   --> src/sodes/sode_multistep_methods.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn new(function: Box<dyn Fn(f64, f64) -> f64>, a: f64, b: f64, n: f64) -> Self {
[INFO] [stdout]    |            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_function`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/sodes/sode_multistep_methods.rs:23:52
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn new(function: Box<dyn Fn(f64, f64) -> f64>, a: f64, b: f64, n: f64) -> Self {
[INFO] [stdout]    |                                                    ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/sodes/sode_multistep_methods.rs:23:60
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn new(function: Box<dyn Fn(f64, f64) -> f64>, a: f64, b: f64, n: f64) -> Self {
[INFO] [stdout]    |                                                            ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/sodes/sode_multistep_methods.rs:23:68
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn new(function: Box<dyn Fn(f64, f64) -> f64>, a: f64, b: f64, n: f64) -> Self {
[INFO] [stdout]    |                                                                    ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `function`
[INFO] [stdout]   --> src/sodes/sode_multistep_methods.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn new(function: Box<dyn Fn(f64, f64) -> f64>, a: f64, b: f64, n: f64) -> Self {
[INFO] [stdout]    |            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_function`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/sodes/sode_multistep_methods.rs:37:52
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn new(function: Box<dyn Fn(f64, f64) -> f64>, a: f64, b: f64, n: f64) -> Self {
[INFO] [stdout]    |                                                    ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/sodes/sode_multistep_methods.rs:37:60
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn new(function: Box<dyn Fn(f64, f64) -> f64>, a: f64, b: f64, n: f64) -> Self {
[INFO] [stdout]    |                                                            ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/sodes/sode_multistep_methods.rs:37:68
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn new(function: Box<dyn Fn(f64, f64) -> f64>, a: f64, b: f64, n: f64) -> Self {
[INFO] [stdout]    |                                                                    ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `function`
[INFO] [stdout]   --> src/sodes/sode_multistep_methods.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn new(function: Box<dyn Fn(f64, f64) -> f64>, a: f64, b: f64, n: f64) -> Self {
[INFO] [stdout]    |            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_function`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/sodes/sode_multistep_methods.rs:51:52
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn new(function: Box<dyn Fn(f64, f64) -> f64>, a: f64, b: f64, n: f64) -> Self {
[INFO] [stdout]    |                                                    ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/sodes/sode_multistep_methods.rs:51:60
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn new(function: Box<dyn Fn(f64, f64) -> f64>, a: f64, b: f64, n: f64) -> Self {
[INFO] [stdout]    |                                                            ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/sodes/sode_multistep_methods.rs:51:68
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn new(function: Box<dyn Fn(f64, f64) -> f64>, a: f64, b: f64, n: f64) -> Self {
[INFO] [stdout]    |                                                                    ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `solve` are never used
[INFO] [stdout]  --> src/find_roots/find_root_bracketing.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub(crate) trait FindRoot {
[INFO] [stdout]   |                  -------- associated items in this trait
[INFO] [stdout] 3 |     fn info();
[INFO] [stdout] 4 |     fn new(function: Box<dyn Fn(f64) -> f64>, a: f64, b: f64, tolerance: f64) -> Self;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 5 |     fn solve(&mut self) -> Option<(f64, f64, usize)>;
[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 `function`, `a`, `b`, and `tolerance` are never read
[INFO] [stdout]   --> src/find_roots/find_root_bracketing.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Bisection {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 10 |     function: Box<dyn Fn(f64) -> f64>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 11 |     a: f64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 12 |     b: f64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 13 |     tolerance: f64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `function`, `a`, `b`, and `tolerance` are never read
[INFO] [stdout]   --> src/find_roots/find_root_bracketing.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct FalsePosition {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 17 |     function: Box<dyn Fn(f64) -> f64>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 18 |     a: f64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 19 |     b: f64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 20 |     tolerance: f64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `function`, `a`, `b`, and `tolerance` are never read
[INFO] [stdout]   --> src/find_roots/find_root_bracketing.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct ITP {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 24 |     function: Box<dyn Fn(f64) -> f64>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 25 |     a: f64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 26 |     b: f64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 27 |     tolerance: f64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `solve` is never used
[INFO] [stdout]  --> src/find_roots/find_root_iterative.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub(crate) trait FindRoot {
[INFO] [stdout]   |                  -------- method in this trait
[INFO] [stdout] 3 |     fn info();
[INFO] [stdout] 4 |     fn solve(&mut self) -> Option<(f64, f64, usize)>;
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `function`, `function_derivative`, `x0`, `tolerance`, and `max_iter` are never read
[INFO] [stdout]   --> src/find_roots/find_root_iterative.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Newton {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 10 |     function: Box<dyn Fn(f64) -> f64>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 11 |     function_derivative: fn(f64) -> f64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 12 |     x0: f64,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 13 |     tolerance: f64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 14 |     max_iter: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `function`, `x0`, `x1`, `tolerance`, and `max_iter` are never read
[INFO] [stdout]   --> src/find_roots/find_root_iterative.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Secant {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 18 |     function: Box<dyn Fn(f64) -> f64>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 19 |     x0: f64,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 20 |     x1: f64,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 21 |     tolerance: f64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 22 |     max_iter: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `function`, `x0`, `tolerance`, and `max_iter` are never read
[INFO] [stdout]   --> src/find_roots/find_root_iterative.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Steffensen {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 26 |     function: Box<dyn Fn(f64) -> f64>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 27 |     x0: f64,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 28 |     tolerance: f64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 29 |     max_iter: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `function`, `x0`, `tolerance`, and `max_iter` are never read
[INFO] [stdout]   --> src/find_roots/find_root_iterative.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct FixedPoint {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 33 |     function: Box<dyn Fn(f64) -> f64>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 34 |     x0: f64,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 35 |     tolerance: f64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 36 |     max_iter: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `function`, `x0`, `x1`, `x2`, `tolerance`, and `max_iter` are never read
[INFO] [stdout]   --> src/find_roots/find_root_iterative.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct InverseQuadraticInterpolation {
[INFO] [stdout]    |            ----------------------------- fields in this struct
[INFO] [stdout] 40 |     function: Box<dyn Fn(f64) -> f64>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 41 |     x0: f64,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 42 |     x1: f64,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 43 |     x2: f64,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 44 |     tolerance: f64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 45 |     max_iter: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/find_roots/find_root_iterative.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl Newton {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 51 |     fn new(
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/find_roots/find_root_iterative.rs:112:8
[INFO] [stdout]     |
[INFO] [stdout] 111 | impl Secant {
[INFO] [stdout]     | ----------- associated function in this implementation
[INFO] [stdout] 112 |     fn new(function: Box<dyn Fn(f64) -> f64>, x0: f64, x1: f64, tolerance: f64, max_iter: usize) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/find_roots/find_root_iterative.rs:161:8
[INFO] [stdout]     |
[INFO] [stdout] 160 | impl Steffensen {
[INFO] [stdout]     | --------------- associated function in this implementation
[INFO] [stdout] 161 |     fn new(function: Box<dyn Fn(f64) -> f64>, x0: f64, tolerance: f64, max_iter: usize) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/find_roots/find_root_iterative.rs:208:8
[INFO] [stdout]     |
[INFO] [stdout] 207 | impl FixedPoint {
[INFO] [stdout]     | --------------- associated function in this implementation
[INFO] [stdout] 208 |     fn new(function: Box<dyn Fn(f64) -> f64>, x0: f64, tolerance: f64, max_iter: usize) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/find_roots/find_root_iterative.rs:254:8
[INFO] [stdout]     |
[INFO] [stdout] 253 | impl InverseQuadraticInterpolation {
[INFO] [stdout]     | ---------------------------------- associated function in this implementation
[INFO] [stdout] 254 |     fn new(
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `solve` are never used
[INFO] [stdout]  --> src/find_roots/find_root_combination.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub(crate) trait FindRoot {
[INFO] [stdout]   |                  -------- associated items in this trait
[INFO] [stdout] 3 |     fn info();
[INFO] [stdout] 4 |     fn new(function: Box<dyn Fn(f64) -> f64>, a: f64, b: f64, tolerance: f64, max_iter: usize) -> Self;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 5 |     fn solve(&mut self) -> Option<(f64, f64, usize)>;
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `function`, `a`, `b`, `tolerance`, and `max_iter` are never read
[INFO] [stdout]   --> src/find_roots/find_root_combination.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Brent{
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 10 |     function: Box<dyn Fn(f64) -> f64>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 11 |     a: f64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 12 |     b: f64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 13 |     tolerance: f64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 14 |     max_iter: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `function`, `a`, `b`, `tolerance`, and `max_iter` are never read
[INFO] [stdout]   --> src/find_roots/find_root_combination.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Ridder{
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 18 |     function: Box<dyn Fn(f64) -> f64>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 19 |     a: f64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 20 |     b: f64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 21 |     tolerance: f64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 22 |     max_iter: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `APP_ID` is never used
[INFO] [stdout]  --> src/view/menu_gui.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const APP_ID: &str = "rust_numerical_methods";
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `menu_gui` is never used
[INFO] [stdout]  --> src/view/menu_gui.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn menu_gui()  -> glib::ExitCode {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_ui` is never used
[INFO] [stdout]   --> src/view/menu_gui.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn build_ui(app: &Application) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `solve` are never used
[INFO] [stdout]  --> src/sodes/sode_explicit_methods.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub(crate) trait Functions{
[INFO] [stdout]   |                  --------- associated items in this trait
[INFO] [stdout] 3 |     fn info();
[INFO] [stdout] 4 |     fn new(function: Box<dyn Fn(f64, f64) -> f64>, y0: f64, h: f64, n: i64) -> Self;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 5 |     fn solve(&mut self) -> Option<f64>;
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `function`, `y0`, `h`, and `n` are never read
[INFO] [stdout]   --> src/sodes/sode_explicit_methods.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Euler {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 11 |     function: Box<dyn Fn(f64, f64) -> f64>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 12 |     y0: f64,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 13 |     h: f64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 14 |     n: i64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `function`, `y0`, `h`, and `n` are never read
[INFO] [stdout]   --> src/sodes/sode_explicit_methods.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct RK2 {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 18 |     function: Box<dyn Fn(f64, f64) -> f64>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 19 |     y0: f64,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 20 |     h: f64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 21 |     n: i64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `function`, `y0`, `h`, and `n` are never read
[INFO] [stdout]   --> src/sodes/sode_explicit_methods.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct RK4 {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 25 |     function: Box<dyn Fn(f64, f64) -> f64>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 26 |     y0: f64,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 27 |     h: f64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 28 |     n: i64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `solve` are never used
[INFO] [stdout]  --> src/sodes/sode_implicit_methods.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub(crate)  trait Functions{
[INFO] [stdout]   |                   --------- associated items in this trait
[INFO] [stdout] 3 |     fn info();
[INFO] [stdout] 4 |     fn new(function: Box<dyn Fn(f64, f64) -> f64>, y0: f64, h: f64, n: i64) -> Self;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 5 |     fn solve(&mut self) -> Option<f64>;
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `function`, `y0`, `h`, and `n` are never read
[INFO] [stdout]   --> src/sodes/sode_implicit_methods.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct ImplicitEuler {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 11 |     function: Box<dyn Fn(f64, f64) -> f64>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 12 |     y0: f64,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 13 |     h: f64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 14 |     n: i64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `function`, `y0`, `h`, and `n` are never read
[INFO] [stdout]   --> src/sodes/sode_implicit_methods.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct BackwardEuler {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 18 |     function: Box<dyn Fn(f64, f64) -> f64>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 19 |     y0: f64,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 20 |     h: f64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 21 |     n: i64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `function`, `y0`, `h`, and `n` are never read
[INFO] [stdout]   --> src/sodes/sode_implicit_methods.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct CrankNicolson {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 25 |     function: Box<dyn Fn(f64, f64) -> f64>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 26 |     y0: f64,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 27 |     h: f64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 28 |     n: i64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Functions` is never used
[INFO] [stdout]  --> src/sodes/sode_multistep_methods.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(crate) trait Functions {
[INFO] [stdout]   |                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Trapezoidal` is never constructed
[INFO] [stdout]   --> src/sodes/sode_multistep_methods.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Trapezoidal {}
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AdamsBashforth` is never constructed
[INFO] [stdout]   --> src/sodes/sode_multistep_methods.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct AdamsBashforth {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AdamsMoulton` is never constructed
[INFO] [stdout]   --> src/sodes/sode_multistep_methods.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct AdamsMoulton {}
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 44s
[INFO] running `Command { std: "docker" "inspect" "0ede3b7e19e8398918a2ae7c018e96044eb3e89d715cb42df364ef5b58862721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ede3b7e19e8398918a2ae7c018e96044eb3e89d715cb42df364ef5b58862721", kill_on_drop: false }`
[INFO] [stdout] 0ede3b7e19e8398918a2ae7c018e96044eb3e89d715cb42df364ef5b58862721
[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_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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dfcad946cb96235a1a67090bedf873841b1aacd35d143ca28301c44060ba4e9
[INFO] running `Command { std: "docker" "start" "-a" "6dfcad946cb96235a1a67090bedf873841b1aacd35d143ca28301c44060ba4e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling numerical_methods v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `function`
[INFO] [stdout]   --> src/sodes/sode_multistep_methods.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn new(function: Box<dyn Fn(f64, f64) -> f64>, a: f64, b: f64, n: f64) -> Self {
[INFO] [stdout]    |            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_function`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/sodes/sode_multistep_methods.rs:23:52
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn new(function: Box<dyn Fn(f64, f64) -> f64>, a: f64, b: f64, n: f64) -> Self {
[INFO] [stdout]    |                                                    ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/sodes/sode_multistep_methods.rs:23:60
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn new(function: Box<dyn Fn(f64, f64) -> f64>, a: f64, b: f64, n: f64) -> Self {
[INFO] [stdout]    |                                                            ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/sodes/sode_multistep_methods.rs:23:68
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn new(function: Box<dyn Fn(f64, f64) -> f64>, a: f64, b: f64, n: f64) -> Self {
[INFO] [stdout]    |                                                                    ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `function`
[INFO] [stdout]   --> src/sodes/sode_multistep_methods.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn new(function: Box<dyn Fn(f64, f64) -> f64>, a: f64, b: f64, n: f64) -> Self {
[INFO] [stdout]    |            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_function`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/sodes/sode_multistep_methods.rs:37:52
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn new(function: Box<dyn Fn(f64, f64) -> f64>, a: f64, b: f64, n: f64) -> Self {
[INFO] [stdout]    |                                                    ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/sodes/sode_multistep_methods.rs:37:60
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn new(function: Box<dyn Fn(f64, f64) -> f64>, a: f64, b: f64, n: f64) -> Self {
[INFO] [stdout]    |                                                            ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/sodes/sode_multistep_methods.rs:37:68
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn new(function: Box<dyn Fn(f64, f64) -> f64>, a: f64, b: f64, n: f64) -> Self {
[INFO] [stdout]    |                                                                    ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `function`
[INFO] [stdout]   --> src/sodes/sode_multistep_methods.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn new(function: Box<dyn Fn(f64, f64) -> f64>, a: f64, b: f64, n: f64) -> Self {
[INFO] [stdout]    |            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_function`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/sodes/sode_multistep_methods.rs:51:52
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn new(function: Box<dyn Fn(f64, f64) -> f64>, a: f64, b: f64, n: f64) -> Self {
[INFO] [stdout]    |                                                    ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/sodes/sode_multistep_methods.rs:51:60
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn new(function: Box<dyn Fn(f64, f64) -> f64>, a: f64, b: f64, n: f64) -> Self {
[INFO] [stdout]    |                                                            ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/sodes/sode_multistep_methods.rs:51:68
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn new(function: Box<dyn Fn(f64, f64) -> f64>, a: f64, b: f64, n: f64) -> Self {
[INFO] [stdout]    |                                                                    ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `solve` are never used
[INFO] [stdout]  --> src/find_roots/find_root_bracketing.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub(crate) trait FindRoot {
[INFO] [stdout]   |                  -------- associated items in this trait
[INFO] [stdout] 3 |     fn info();
[INFO] [stdout] 4 |     fn new(function: Box<dyn Fn(f64) -> f64>, a: f64, b: f64, tolerance: f64) -> Self;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 5 |     fn solve(&mut self) -> Option<(f64, f64, usize)>;
[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 `function`, `a`, `b`, and `tolerance` are never read
[INFO] [stdout]   --> src/find_roots/find_root_bracketing.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Bisection {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 10 |     function: Box<dyn Fn(f64) -> f64>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 11 |     a: f64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 12 |     b: f64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 13 |     tolerance: f64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `function`, `a`, `b`, and `tolerance` are never read
[INFO] [stdout]   --> src/find_roots/find_root_bracketing.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct FalsePosition {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 17 |     function: Box<dyn Fn(f64) -> f64>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 18 |     a: f64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 19 |     b: f64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 20 |     tolerance: f64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `function`, `a`, `b`, and `tolerance` are never read
[INFO] [stdout]   --> src/find_roots/find_root_bracketing.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct ITP {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 24 |     function: Box<dyn Fn(f64) -> f64>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 25 |     a: f64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 26 |     b: f64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 27 |     tolerance: f64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `solve` is never used
[INFO] [stdout]  --> src/find_roots/find_root_iterative.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub(crate) trait FindRoot {
[INFO] [stdout]   |                  -------- method in this trait
[INFO] [stdout] 3 |     fn info();
[INFO] [stdout] 4 |     fn solve(&mut self) -> Option<(f64, f64, usize)>;
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `function`, `function_derivative`, `x0`, `tolerance`, and `max_iter` are never read
[INFO] [stdout]   --> src/find_roots/find_root_iterative.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Newton {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 10 |     function: Box<dyn Fn(f64) -> f64>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 11 |     function_derivative: fn(f64) -> f64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 12 |     x0: f64,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 13 |     tolerance: f64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 14 |     max_iter: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `function`, `x0`, `x1`, `tolerance`, and `max_iter` are never read
[INFO] [stdout]   --> src/find_roots/find_root_iterative.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Secant {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 18 |     function: Box<dyn Fn(f64) -> f64>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 19 |     x0: f64,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 20 |     x1: f64,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 21 |     tolerance: f64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 22 |     max_iter: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `function`, `x0`, `tolerance`, and `max_iter` are never read
[INFO] [stdout]   --> src/find_roots/find_root_iterative.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Steffensen {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 26 |     function: Box<dyn Fn(f64) -> f64>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 27 |     x0: f64,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 28 |     tolerance: f64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 29 |     max_iter: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `function`, `x0`, `tolerance`, and `max_iter` are never read
[INFO] [stdout]   --> src/find_roots/find_root_iterative.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct FixedPoint {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 33 |     function: Box<dyn Fn(f64) -> f64>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 34 |     x0: f64,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 35 |     tolerance: f64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 36 |     max_iter: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `function`, `x0`, `x1`, `x2`, `tolerance`, and `max_iter` are never read
[INFO] [stdout]   --> src/find_roots/find_root_iterative.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct InverseQuadraticInterpolation {
[INFO] [stdout]    |            ----------------------------- fields in this struct
[INFO] [stdout] 40 |     function: Box<dyn Fn(f64) -> f64>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 41 |     x0: f64,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 42 |     x1: f64,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 43 |     x2: f64,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 44 |     tolerance: f64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 45 |     max_iter: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/find_roots/find_root_iterative.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl Newton {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 51 |     fn new(
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/find_roots/find_root_iterative.rs:112:8
[INFO] [stdout]     |
[INFO] [stdout] 111 | impl Secant {
[INFO] [stdout]     | ----------- associated function in this implementation
[INFO] [stdout] 112 |     fn new(function: Box<dyn Fn(f64) -> f64>, x0: f64, x1: f64, tolerance: f64, max_iter: usize) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/find_roots/find_root_iterative.rs:161:8
[INFO] [stdout]     |
[INFO] [stdout] 160 | impl Steffensen {
[INFO] [stdout]     | --------------- associated function in this implementation
[INFO] [stdout] 161 |     fn new(function: Box<dyn Fn(f64) -> f64>, x0: f64, tolerance: f64, max_iter: usize) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/find_roots/find_root_iterative.rs:208:8
[INFO] [stdout]     |
[INFO] [stdout] 207 | impl FixedPoint {
[INFO] [stdout]     | --------------- associated function in this implementation
[INFO] [stdout] 208 |     fn new(function: Box<dyn Fn(f64) -> f64>, x0: f64, tolerance: f64, max_iter: usize) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/find_roots/find_root_iterative.rs:254:8
[INFO] [stdout]     |
[INFO] [stdout] 253 | impl InverseQuadraticInterpolation {
[INFO] [stdout]     | ---------------------------------- associated function in this implementation
[INFO] [stdout] 254 |     fn new(
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `solve` are never used
[INFO] [stdout]  --> src/find_roots/find_root_combination.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub(crate) trait FindRoot {
[INFO] [stdout]   |                  -------- associated items in this trait
[INFO] [stdout] 3 |     fn info();
[INFO] [stdout] 4 |     fn new(function: Box<dyn Fn(f64) -> f64>, a: f64, b: f64, tolerance: f64, max_iter: usize) -> Self;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 5 |     fn solve(&mut self) -> Option<(f64, f64, usize)>;
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `function`, `a`, `b`, `tolerance`, and `max_iter` are never read
[INFO] [stdout]   --> src/find_roots/find_root_combination.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Brent{
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 10 |     function: Box<dyn Fn(f64) -> f64>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 11 |     a: f64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 12 |     b: f64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 13 |     tolerance: f64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 14 |     max_iter: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `function`, `a`, `b`, `tolerance`, and `max_iter` are never read
[INFO] [stdout]   --> src/find_roots/find_root_combination.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Ridder{
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 18 |     function: Box<dyn Fn(f64) -> f64>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 19 |     a: f64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 20 |     b: f64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 21 |     tolerance: f64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 22 |     max_iter: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `APP_ID` is never used
[INFO] [stdout]  --> src/view/menu_gui.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const APP_ID: &str = "rust_numerical_methods";
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `menu_gui` is never used
[INFO] [stdout]  --> src/view/menu_gui.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn menu_gui()  -> glib::ExitCode {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_ui` is never used
[INFO] [stdout]   --> src/view/menu_gui.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn build_ui(app: &Application) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `solve` are never used
[INFO] [stdout]  --> src/sodes/sode_explicit_methods.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub(crate) trait Functions{
[INFO] [stdout]   |                  --------- associated items in this trait
[INFO] [stdout] 3 |     fn info();
[INFO] [stdout] 4 |     fn new(function: Box<dyn Fn(f64, f64) -> f64>, y0: f64, h: f64, n: i64) -> Self;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 5 |     fn solve(&mut self) -> Option<f64>;
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `function`, `y0`, `h`, and `n` are never read
[INFO] [stdout]   --> src/sodes/sode_explicit_methods.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Euler {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 11 |     function: Box<dyn Fn(f64, f64) -> f64>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 12 |     y0: f64,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 13 |     h: f64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 14 |     n: i64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `function`, `y0`, `h`, and `n` are never read
[INFO] [stdout]   --> src/sodes/sode_explicit_methods.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct RK2 {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 18 |     function: Box<dyn Fn(f64, f64) -> f64>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 19 |     y0: f64,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 20 |     h: f64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 21 |     n: i64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `function`, `y0`, `h`, and `n` are never read
[INFO] [stdout]   --> src/sodes/sode_explicit_methods.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct RK4 {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 25 |     function: Box<dyn Fn(f64, f64) -> f64>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 26 |     y0: f64,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 27 |     h: f64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 28 |     n: i64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `solve` are never used
[INFO] [stdout]  --> src/sodes/sode_implicit_methods.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub(crate)  trait Functions{
[INFO] [stdout]   |                   --------- associated items in this trait
[INFO] [stdout] 3 |     fn info();
[INFO] [stdout] 4 |     fn new(function: Box<dyn Fn(f64, f64) -> f64>, y0: f64, h: f64, n: i64) -> Self;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 5 |     fn solve(&mut self) -> Option<f64>;
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `function`, `y0`, `h`, and `n` are never read
[INFO] [stdout]   --> src/sodes/sode_implicit_methods.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct ImplicitEuler {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 11 |     function: Box<dyn Fn(f64, f64) -> f64>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 12 |     y0: f64,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 13 |     h: f64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 14 |     n: i64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `function`, `y0`, `h`, and `n` are never read
[INFO] [stdout]   --> src/sodes/sode_implicit_methods.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct BackwardEuler {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 18 |     function: Box<dyn Fn(f64, f64) -> f64>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 19 |     y0: f64,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 20 |     h: f64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 21 |     n: i64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `function`, `y0`, `h`, and `n` are never read
[INFO] [stdout]   --> src/sodes/sode_implicit_methods.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct CrankNicolson {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 25 |     function: Box<dyn Fn(f64, f64) -> f64>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 26 |     y0: f64,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 27 |     h: f64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 28 |     n: i64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Functions` is never used
[INFO] [stdout]  --> src/sodes/sode_multistep_methods.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(crate) trait Functions {
[INFO] [stdout]   |                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Trapezoidal` is never constructed
[INFO] [stdout]   --> src/sodes/sode_multistep_methods.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Trapezoidal {}
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AdamsBashforth` is never constructed
[INFO] [stdout]   --> src/sodes/sode_multistep_methods.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct AdamsBashforth {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AdamsMoulton` is never constructed
[INFO] [stdout]   --> src/sodes/sode_multistep_methods.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct AdamsMoulton {}
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "6dfcad946cb96235a1a67090bedf873841b1aacd35d143ca28301c44060ba4e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dfcad946cb96235a1a67090bedf873841b1aacd35d143ca28301c44060ba4e9", kill_on_drop: false }`
[INFO] [stdout] 6dfcad946cb96235a1a67090bedf873841b1aacd35d143ca28301c44060ba4e9
[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_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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 87138d1290d6b1a6bfc1b0f7367614effaee2eea2f1d48a13f418623ab94545f
[INFO] running `Command { std: "docker" "start" "-a" "87138d1290d6b1a6bfc1b0f7367614effaee2eea2f1d48a13f418623ab94545f", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `function`
[INFO] [stderr]   --> src/sodes/sode_multistep_methods.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn new(function: Box<dyn Fn(f64, f64) -> f64>, a: f64, b: f64, n: f64) -> Self {
[INFO] [stderr]    |            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_function`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/sodes/sode_multistep_methods.rs:23:52
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn new(function: Box<dyn Fn(f64, f64) -> f64>, a: f64, b: f64, n: f64) -> Self {
[INFO] [stderr]    |                                                    ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/sodes/sode_multistep_methods.rs:23:60
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn new(function: Box<dyn Fn(f64, f64) -> f64>, a: f64, b: f64, n: f64) -> Self {
[INFO] [stderr]    |                                                            ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/sodes/sode_multistep_methods.rs:23:68
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn new(function: Box<dyn Fn(f64, f64) -> f64>, a: f64, b: f64, n: f64) -> Self {
[INFO] [stderr]    |                                                                    ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `function`
[INFO] [stderr]   --> src/sodes/sode_multistep_methods.rs:37:12
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn new(function: Box<dyn Fn(f64, f64) -> f64>, a: f64, b: f64, n: f64) -> Self {
[INFO] [stderr]    |            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_function`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/sodes/sode_multistep_methods.rs:37:52
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn new(function: Box<dyn Fn(f64, f64) -> f64>, a: f64, b: f64, n: f64) -> Self {
[INFO] [stderr]    |                                                    ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/sodes/sode_multistep_methods.rs:37:60
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn new(function: Box<dyn Fn(f64, f64) -> f64>, a: f64, b: f64, n: f64) -> Self {
[INFO] [stderr]    |                                                            ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/sodes/sode_multistep_methods.rs:37:68
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn new(function: Box<dyn Fn(f64, f64) -> f64>, a: f64, b: f64, n: f64) -> Self {
[INFO] [stderr]    |                                                                    ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `function`
[INFO] [stderr]   --> src/sodes/sode_multistep_methods.rs:51:12
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn new(function: Box<dyn Fn(f64, f64) -> f64>, a: f64, b: f64, n: f64) -> Self {
[INFO] [stderr]    |            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_function`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/sodes/sode_multistep_methods.rs:51:52
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn new(function: Box<dyn Fn(f64, f64) -> f64>, a: f64, b: f64, n: f64) -> Self {
[INFO] [stderr]    |                                                    ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/sodes/sode_multistep_methods.rs:51:60
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn new(function: Box<dyn Fn(f64, f64) -> f64>, a: f64, b: f64, n: f64) -> Self {
[INFO] [stderr]    |                                                            ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/sodes/sode_multistep_methods.rs:51:68
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn new(function: Box<dyn Fn(f64, f64) -> f64>, a: f64, b: f64, n: f64) -> Self {
[INFO] [stderr]    |                                                                    ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `solve` are never used
[INFO] [stderr]  --> src/find_roots/find_root_bracketing.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub(crate) trait FindRoot {
[INFO] [stderr]   |                  -------- associated items in this trait
[INFO] [stderr] 3 |     fn info();
[INFO] [stderr] 4 |     fn new(function: Box<dyn Fn(f64) -> f64>, a: f64, b: f64, tolerance: f64) -> Self;
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 5 |     fn solve(&mut self) -> Option<(f64, f64, usize)>;
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `function`, `a`, `b`, and `tolerance` are never read
[INFO] [stderr]   --> src/find_roots/find_root_bracketing.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr]  9 | pub struct Bisection {
[INFO] [stderr]    |            --------- fields in this struct
[INFO] [stderr] 10 |     function: Box<dyn Fn(f64) -> f64>,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 11 |     a: f64,
[INFO] [stderr]    |     ^
[INFO] [stderr] 12 |     b: f64,
[INFO] [stderr]    |     ^
[INFO] [stderr] 13 |     tolerance: f64,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `function`, `a`, `b`, and `tolerance` are never read
[INFO] [stderr]   --> src/find_roots/find_root_bracketing.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct FalsePosition {
[INFO] [stderr]    |            ------------- fields in this struct
[INFO] [stderr] 17 |     function: Box<dyn Fn(f64) -> f64>,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 18 |     a: f64,
[INFO] [stderr]    |     ^
[INFO] [stderr] 19 |     b: f64,
[INFO] [stderr]    |     ^
[INFO] [stderr] 20 |     tolerance: f64,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `function`, `a`, `b`, and `tolerance` are never read
[INFO] [stderr]   --> src/find_roots/find_root_bracketing.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub struct ITP {
[INFO] [stderr]    |            --- fields in this struct
[INFO] [stderr] 24 |     function: Box<dyn Fn(f64) -> f64>,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 25 |     a: f64,
[INFO] [stderr]    |     ^
[INFO] [stderr] 26 |     b: f64,
[INFO] [stderr]    |     ^
[INFO] [stderr] 27 |     tolerance: f64,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `solve` is never used
[INFO] [stderr]  --> src/find_roots/find_root_iterative.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub(crate) trait FindRoot {
[INFO] [stderr]   |                  -------- method in this trait
[INFO] [stderr] 3 |     fn info();
[INFO] [stderr] 4 |     fn solve(&mut self) -> Option<(f64, f64, usize)>;
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `function`, `function_derivative`, `x0`, `tolerance`, and `max_iter` are never read
[INFO] [stderr]   --> src/find_roots/find_root_iterative.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr]  9 | pub struct Newton {
[INFO] [stderr]    |            ------ fields in this struct
[INFO] [stderr] 10 |     function: Box<dyn Fn(f64) -> f64>,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 11 |     function_derivative: fn(f64) -> f64,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 12 |     x0: f64,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 13 |     tolerance: f64,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 14 |     max_iter: usize,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `function`, `x0`, `x1`, `tolerance`, and `max_iter` are never read
[INFO] [stderr]   --> src/find_roots/find_root_iterative.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct Secant {
[INFO] [stderr]    |            ------ fields in this struct
[INFO] [stderr] 18 |     function: Box<dyn Fn(f64) -> f64>,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 19 |     x0: f64,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 20 |     x1: f64,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 21 |     tolerance: f64,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 22 |     max_iter: usize,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `function`, `x0`, `tolerance`, and `max_iter` are never read
[INFO] [stderr]   --> src/find_roots/find_root_iterative.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub struct Steffensen {
[INFO] [stderr]    |            ---------- fields in this struct
[INFO] [stderr] 26 |     function: Box<dyn Fn(f64) -> f64>,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 27 |     x0: f64,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 28 |     tolerance: f64,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 29 |     max_iter: usize,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `function`, `x0`, `tolerance`, and `max_iter` are never read
[INFO] [stderr]   --> src/find_roots/find_root_iterative.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub struct FixedPoint {
[INFO] [stderr]    |            ---------- fields in this struct
[INFO] [stderr] 33 |     function: Box<dyn Fn(f64) -> f64>,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 34 |     x0: f64,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 35 |     tolerance: f64,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 36 |     max_iter: usize,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `function`, `x0`, `x1`, `x2`, `tolerance`, and `max_iter` are never read
[INFO] [stderr]   --> src/find_roots/find_root_iterative.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub struct InverseQuadraticInterpolation {
[INFO] [stderr]    |            ----------------------------- fields in this struct
[INFO] [stderr] 40 |     function: Box<dyn Fn(f64) -> f64>,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 41 |     x0: f64,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 42 |     x1: f64,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 43 |     x2: f64,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 44 |     tolerance: f64,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 45 |     max_iter: usize,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/find_roots/find_root_iterative.rs:51:8
[INFO] [stderr]    |
[INFO] [stderr] 50 | impl Newton {
[INFO] [stderr]    | ----------- associated function in this implementation
[INFO] [stderr] 51 |     fn new(
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]    --> src/find_roots/find_root_iterative.rs:112:8
[INFO] [stderr]     |
[INFO] [stderr] 111 | impl Secant {
[INFO] [stderr]     | ----------- associated function in this implementation
[INFO] [stderr] 112 |     fn new(function: Box<dyn Fn(f64) -> f64>, x0: f64, x1: f64, tolerance: f64, max_iter: usize) -> Self {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]    --> src/find_roots/find_root_iterative.rs:161:8
[INFO] [stderr]     |
[INFO] [stderr] 160 | impl Steffensen {
[INFO] [stderr]     | --------------- associated function in this implementation
[INFO] [stderr] 161 |     fn new(function: Box<dyn Fn(f64) -> f64>, x0: f64, tolerance: f64, max_iter: usize) -> Self {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]    --> src/find_roots/find_root_iterative.rs:208:8
[INFO] [stderr]     |
[INFO] [stderr] 207 | impl FixedPoint {
[INFO] [stderr]     | --------------- associated function in this implementation
[INFO] [stderr] 208 |     fn new(function: Box<dyn Fn(f64) -> f64>, x0: f64, tolerance: f64, max_iter: usize) -> Self {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]    --> src/find_roots/find_root_iterative.rs:254:8
[INFO] [stderr]     |
[INFO] [stderr] 253 | impl InverseQuadraticInterpolation {
[INFO] [stderr]     | ---------------------------------- associated function in this implementation
[INFO] [stderr] 254 |     fn new(
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `solve` are never used
[INFO] [stderr]  --> src/find_roots/find_root_combination.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub(crate) trait FindRoot {
[INFO] [stderr]   |                  -------- associated items in this trait
[INFO] [stderr] 3 |     fn info();
[INFO] [stderr] 4 |     fn new(function: Box<dyn Fn(f64) -> f64>, a: f64, b: f64, tolerance: f64, max_iter: usize) -> Self;
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 5 |     fn solve(&mut self) -> Option<(f64, f64, usize)>;
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `function`, `a`, `b`, `tolerance`, and `max_iter` are never read
[INFO] [stderr]   --> src/find_roots/find_root_combination.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr]  9 | pub struct Brent{
[INFO] [stderr]    |            ----- fields in this struct
[INFO] [stderr] 10 |     function: Box<dyn Fn(f64) -> f64>,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 11 |     a: f64,
[INFO] [stderr]    |     ^
[INFO] [stderr] 12 |     b: f64,
[INFO] [stderr]    |     ^
[INFO] [stderr] 13 |     tolerance: f64,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 14 |     max_iter: usize,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `function`, `a`, `b`, `tolerance`, and `max_iter` are never read
[INFO] [stderr]   --> src/find_roots/find_root_combination.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct Ridder{
[INFO] [stderr]    |            ------ fields in this struct
[INFO] [stderr] 18 |     function: Box<dyn Fn(f64) -> f64>,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 19 |     a: f64,
[INFO] [stderr]    |     ^
[INFO] [stderr] 20 |     b: f64,
[INFO] [stderr]    |     ^
[INFO] [stderr] 21 |     tolerance: f64,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 22 |     max_iter: usize,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `APP_ID` is never used
[INFO] [stderr]  --> src/view/menu_gui.rs:4:7
[INFO] [stderr]   |
[INFO] [stderr] 4 | const APP_ID: &str = "rust_numerical_methods";
[INFO] [stderr]   |       ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `menu_gui` is never used
[INFO] [stderr]  --> src/view/menu_gui.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn menu_gui()  -> glib::ExitCode {
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `build_ui` is never used
[INFO] [stderr]   --> src/view/menu_gui.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn build_ui(app: &Application) {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `solve` are never used
[INFO] [stderr]  --> src/sodes/sode_explicit_methods.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub(crate) trait Functions{
[INFO] [stderr]   |                  --------- associated items in this trait
[INFO] [stderr] 3 |     fn info();
[INFO] [stderr] 4 |     fn new(function: Box<dyn Fn(f64, f64) -> f64>, y0: f64, h: f64, n: i64) -> Self;
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 5 |     fn solve(&mut self) -> Option<f64>;
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `function`, `y0`, `h`, and `n` are never read
[INFO] [stderr]   --> src/sodes/sode_explicit_methods.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct Euler {
[INFO] [stderr]    |            ----- fields in this struct
[INFO] [stderr] 11 |     function: Box<dyn Fn(f64, f64) -> f64>,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 12 |     y0: f64,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 13 |     h: f64,
[INFO] [stderr]    |     ^
[INFO] [stderr] 14 |     n: i64,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `function`, `y0`, `h`, and `n` are never read
[INFO] [stderr]   --> src/sodes/sode_explicit_methods.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct RK2 {
[INFO] [stderr]    |            --- fields in this struct
[INFO] [stderr] 18 |     function: Box<dyn Fn(f64, f64) -> f64>,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 19 |     y0: f64,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 20 |     h: f64,
[INFO] [stderr]    |     ^
[INFO] [stderr] 21 |     n: i64,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `function`, `y0`, `h`, and `n` are never read
[INFO] [stderr]   --> src/sodes/sode_explicit_methods.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub struct RK4 {
[INFO] [stderr]    |            --- fields in this struct
[INFO] [stderr] 25 |     function: Box<dyn Fn(f64, f64) -> f64>,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 26 |     y0: f64,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 27 |     h: f64,
[INFO] [stderr]    |     ^
[INFO] [stderr] 28 |     n: i64,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `solve` are never used
[INFO] [stderr]  --> src/sodes/sode_implicit_methods.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub(crate)  trait Functions{
[INFO] [stderr]   |                   --------- associated items in this trait
[INFO] [stderr] 3 |     fn info();
[INFO] [stderr] 4 |     fn new(function: Box<dyn Fn(f64, f64) -> f64>, y0: f64, h: f64, n: i64) -> Self;
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 5 |     fn solve(&mut self) -> Option<f64>;
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `function`, `y0`, `h`, and `n` are never read
[INFO] [stderr]   --> src/sodes/sode_implicit_methods.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct ImplicitEuler {
[INFO] [stderr]    |            ------------- fields in this struct
[INFO] [stderr] 11 |     function: Box<dyn Fn(f64, f64) -> f64>,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 12 |     y0: f64,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 13 |     h: f64,
[INFO] [stderr]    |     ^
[INFO] [stderr] 14 |     n: i64,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `function`, `y0`, `h`, and `n` are never read
[INFO] [stderr]   --> src/sodes/sode_implicit_methods.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct BackwardEuler {
[INFO] [stderr]    |            ------------- fields in this struct
[INFO] [stderr] 18 |     function: Box<dyn Fn(f64, f64) -> f64>,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 19 |     y0: f64,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 20 |     h: f64,
[INFO] [stderr]    |     ^
[INFO] [stderr] 21 |     n: i64,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `function`, `y0`, `h`, and `n` are never read
[INFO] [stderr]   --> src/sodes/sode_implicit_methods.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub struct CrankNicolson {
[INFO] [stderr]    |            ------------- fields in this struct
[INFO] [stderr] 25 |     function: Box<dyn Fn(f64, f64) -> f64>,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 26 |     y0: f64,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 27 |     h: f64,
[INFO] [stderr]    |     ^
[INFO] [stderr] 28 |     n: i64,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Functions` is never used
[INFO] [stderr]  --> src/sodes/sode_multistep_methods.rs:3:18
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub(crate) trait Functions {
[INFO] [stderr]   |                  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Trapezoidal` is never constructed
[INFO] [stderr]   --> src/sodes/sode_multistep_methods.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct Trapezoidal {}
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `AdamsBashforth` is never constructed
[INFO] [stderr]   --> src/sodes/sode_multistep_methods.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub struct AdamsBashforth {}
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `AdamsMoulton` is never constructed
[INFO] [stderr]   --> src/sodes/sode_multistep_methods.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct AdamsMoulton {}
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `numerical_methods` (bin "numerical_methods" test) generated 45 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/numerical_methods-c2e8e870c76a9f60)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "87138d1290d6b1a6bfc1b0f7367614effaee2eea2f1d48a13f418623ab94545f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87138d1290d6b1a6bfc1b0f7367614effaee2eea2f1d48a13f418623ab94545f", kill_on_drop: false }`
[INFO] [stdout] 87138d1290d6b1a6bfc1b0f7367614effaee2eea2f1d48a13f418623ab94545f