[INFO] cloning repository https://github.com/DmitryLedentsov/approximation-app
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DmitryLedentsov/approximation-app" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDmitryLedentsov%2Fapproximation-app", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDmitryLedentsov%2Fapproximation-app'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2a2ffef5b04081e0a943ddd259a829efc80a97de
[INFO] testing DmitryLedentsov/approximation-app against 1.83.0 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDmitryLedentsov%2Fapproximation-app" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DmitryLedentsov/approximation-app on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DmitryLedentsov/approximation-app
[INFO] finished tweaking git repo https://github.com/DmitryLedentsov/approximation-app
[INFO] tweaked toml for git repo https://github.com/DmitryLedentsov/approximation-app written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/DmitryLedentsov/approximation-app 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" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "bb347044fa3a280c55de2cb8c301ff1f2d049480f00502ff09defa62a38ce16b", kill_on_drop: false }`
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[INFO] [stderr]    Compiling app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `iter::Map`
[INFO] [stdout]  --> src/func_plot.rs:1:31
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{cmp::Ordering, vec, iter::Map};
[INFO] [stdout]   |                               ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Grid`, `Layout`, `TextEdit`, `Text`, and `Window`
[INFO] [stdout]  --> src/func_plot.rs:3:40
[INFO] [stdout]   |
[INFO] [stdout] 3 | use eframe::{egui::{self, plot::{self, Text}, Grid, Window, TextEdit, TextBuffer, Layout, Button, WidgetText}, epaint::{Pos2, Color32}};
[INFO] [stdout]   |                                        ^^^^   ^^^^  ^^^^^^  ^^^^^^^^              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `indoc::indoc`
[INFO] [stdout]  --> src/func_plot.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use indoc::indoc;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tinyfiledialogs::*`
[INFO] [stdout]  --> src/func_plot.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tinyfiledialogs::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pow_approximate`
[INFO] [stdout]   --> src/func_plot.rs:10:151
[INFO] [stdout]    |
[INFO] [stdout] 10 | ...oximate, cub_approximate, exp_approximate, ln_approximate, pow_approximate}};
[INFO] [stdout]    |                                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader` and `error::Error`
[INFO] [stdout]  --> src/utils.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::File, io::{BufReader, Read}, error::Error};
[INFO] [stdout]   |                          ^^^^^^^^^         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `eframe::App`
[INFO] [stdout]  --> src/utils.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use eframe::App;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `self` and `self`
[INFO] [stdout]  --> src/approximation.rs:1:31
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{utils::{Function, self, round}, gauss::{self, solve}, errors::AppError};
[INFO] [stdout]   |                               ^^^^                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `gauss::solve`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use gauss::solve;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/func_plot.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TextBuffer`
[INFO] [stdout]  --> src/func_plot.rs:3:71
[INFO] [stdout]   |
[INFO] [stdout] 3 | use eframe::{egui::{self, plot::{self, Text}, Grid, Window, TextEdit, TextBuffer, Layout, Button, WidgetText}, epaint::{Pos2, Color32}};
[INFO] [stdout]   |                                                                       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row`
[INFO] [stdout]   --> src/gauss.rs:19:56
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let det = a.iter().enumerate().fold(1.0, |acc, (i, row)| {
[INFO] [stdout]    |                                                        ^^^ help: if this is intentional, prefix it with an underscore: `_row`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/main.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let f =  Function::new( binding);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut binding = |x : f64| x.powi(2);
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_functions` is never used
[INFO] [stdout]   --> src/func_plot.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl GraphApp {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn get_functions(&mut self)->&mut Vec<FunctionWithDesc>{
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Enum` is never used
[INFO] [stdout]    --> src/func_plot.rs:120:6
[INFO] [stdout]     |
[INFO] [stdout] 120 | enum Enum {
[INFO] [stdout]     |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pow_approximate` is never used
[INFO] [stdout]    --> src/approximation.rs:375:8
[INFO] [stdout]     |
[INFO] [stdout] 375 | pub fn pow_approximate(input: &Vec<[f64;2]>)->Result<(Function, String, Vec<f64>, f64),AppError>{
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `NoSolution` and `NonLinearSystem` are never constructed
[INFO] [stdout]  --> src/gauss.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum GaussError {
[INFO] [stdout]   |          ---------- variants in this enum
[INFO] [stdout] 3 |     NoSolution,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 4 |     SingularMatrix,
[INFO] [stdout] 5 |     NonLinearSystem,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `GaussError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/func_plot.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         add_method("square", squad_approximate);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 105 |         let _ = add_method("square", squad_approximate);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/func_plot.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |         add_method("cubic", cub_approximate);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let _ = add_method("cubic", cub_approximate);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/func_plot.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |         add_method("exponental", exp_approximate);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let _ = add_method("exponental", exp_approximate);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/func_plot.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |         add_method("log", ln_approximate);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let _ = add_method("log", ln_approximate);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 31s
[INFO] running `Command { std: "docker" "inspect" "9d4202dfd5b353bf52642ffd9731e0b9dfc4ae0f8393ea69c632274125c4d8ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d4202dfd5b353bf52642ffd9731e0b9dfc4ae0f8393ea69c632274125c4d8ce", kill_on_drop: false }`
[INFO] [stdout] 9d4202dfd5b353bf52642ffd9731e0b9dfc4ae0f8393ea69c632274125c4d8ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4705868f3482b1196289ccab862f537904f96e06cf536a72102c18357b8418b2
[INFO] running `Command { std: "docker" "start" "-a" "4705868f3482b1196289ccab862f537904f96e06cf536a72102c18357b8418b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `iter::Map`
[INFO] [stdout]  --> src/func_plot.rs:1:31
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{cmp::Ordering, vec, iter::Map};
[INFO] [stdout]   |                               ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Grid`, `Layout`, `TextEdit`, `Text`, and `Window`
[INFO] [stdout]  --> src/func_plot.rs:3:40
[INFO] [stdout]   |
[INFO] [stdout] 3 | use eframe::{egui::{self, plot::{self, Text}, Grid, Window, TextEdit, TextBuffer, Layout, Button, WidgetText}, epaint::{Pos2, Color32}};
[INFO] [stdout]   |                                        ^^^^   ^^^^  ^^^^^^  ^^^^^^^^              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `indoc::indoc`
[INFO] [stdout]  --> src/func_plot.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use indoc::indoc;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tinyfiledialogs::*`
[INFO] [stdout]  --> src/func_plot.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tinyfiledialogs::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pow_approximate`
[INFO] [stdout]   --> src/func_plot.rs:10:151
[INFO] [stdout]    |
[INFO] [stdout] 10 | ...oximate, cub_approximate, exp_approximate, ln_approximate, pow_approximate}};
[INFO] [stdout]    |                                                               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader` and `error::Error`
[INFO] [stdout]  --> src/utils.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::File, io::{BufReader, Read}, error::Error};
[INFO] [stdout]   |                          ^^^^^^^^^         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `eframe::App`
[INFO] [stdout]  --> src/utils.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use eframe::App;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `self` and `self`
[INFO] [stdout]  --> src/approximation.rs:1:31
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{utils::{Function, self, round}, gauss::{self, solve}, errors::AppError};
[INFO] [stdout]   |                               ^^^^                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `gauss::solve`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use gauss::solve;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/func_plot.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TextBuffer`
[INFO] [stdout]  --> src/func_plot.rs:3:71
[INFO] [stdout]   |
[INFO] [stdout] 3 | use eframe::{egui::{self, plot::{self, Text}, Grid, Window, TextEdit, TextBuffer, Layout, Button, WidgetText}, epaint::{Pos2, Color32}};
[INFO] [stdout]   |                                                                       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row`
[INFO] [stdout]   --> src/gauss.rs:19:56
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let det = a.iter().enumerate().fold(1.0, |acc, (i, row)| {
[INFO] [stdout]    |                                                        ^^^ help: if this is intentional, prefix it with an underscore: `_row`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/main.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let f =  Function::new( binding);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut binding = |x : f64| x.powi(2);
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_functions` is never used
[INFO] [stdout]   --> src/func_plot.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl GraphApp {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn get_functions(&mut self)->&mut Vec<FunctionWithDesc>{
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Enum` is never used
[INFO] [stdout]    --> src/func_plot.rs:120:6
[INFO] [stdout]     |
[INFO] [stdout] 120 | enum Enum {
[INFO] [stdout]     |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pow_approximate` is never used
[INFO] [stdout]    --> src/approximation.rs:375:8
[INFO] [stdout]     |
[INFO] [stdout] 375 | pub fn pow_approximate(input: &Vec<[f64;2]>)->Result<(Function, String, Vec<f64>, f64),AppError>{
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `NoSolution` and `NonLinearSystem` are never constructed
[INFO] [stdout]  --> src/gauss.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum GaussError {
[INFO] [stdout]   |          ---------- variants in this enum
[INFO] [stdout] 3 |     NoSolution,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 4 |     SingularMatrix,
[INFO] [stdout] 5 |     NonLinearSystem,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `GaussError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/func_plot.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         add_method("square", squad_approximate);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 105 |         let _ = add_method("square", squad_approximate);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/func_plot.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |         add_method("cubic", cub_approximate);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let _ = add_method("cubic", cub_approximate);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/func_plot.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |         add_method("exponental", exp_approximate);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let _ = add_method("exponental", exp_approximate);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/func_plot.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |         add_method("log", ln_approximate);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let _ = add_method("log", ln_approximate);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "4705868f3482b1196289ccab862f537904f96e06cf536a72102c18357b8418b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4705868f3482b1196289ccab862f537904f96e06cf536a72102c18357b8418b2", kill_on_drop: false }`
[INFO] [stdout] 4705868f3482b1196289ccab862f537904f96e06cf536a72102c18357b8418b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9256deebfe9659054613098ff1b3d6bb33ef52dc02a444f896111bb7051d5424
[INFO] running `Command { std: "docker" "start" "-a" "9256deebfe9659054613098ff1b3d6bb33ef52dc02a444f896111bb7051d5424", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `iter::Map`
[INFO] [stderr]  --> src/func_plot.rs:1:31
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{cmp::Ordering, vec, iter::Map};
[INFO] [stderr]   |                               ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Grid`, `Layout`, `TextEdit`, `Text`, and `Window`
[INFO] [stderr]  --> src/func_plot.rs:3:40
[INFO] [stderr]   |
[INFO] [stderr] 3 | use eframe::{egui::{self, plot::{self, Text}, Grid, Window, TextEdit, TextBuffer, Layout, Button, WidgetText}, epaint::{Pos2, Color32}};
[INFO] [stderr]   |                                        ^^^^   ^^^^  ^^^^^^  ^^^^^^^^              ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `indoc::indoc`
[INFO] [stderr]  --> src/func_plot.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use indoc::indoc;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tinyfiledialogs::*`
[INFO] [stderr]  --> src/func_plot.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use tinyfiledialogs::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pow_approximate`
[INFO] [stderr]   --> src/func_plot.rs:10:151
[INFO] [stderr]    |
[INFO] [stderr] 10 | ...oximate, cub_approximate, exp_approximate, ln_approximate, pow_approximate}};
[INFO] [stderr]    |                                                               ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufReader` and `error::Error`
[INFO] [stderr]  --> src/utils.rs:1:26
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{fs::File, io::{BufReader, Read}, error::Error};
[INFO] [stderr]   |                          ^^^^^^^^^         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `eframe::App`
[INFO] [stderr]  --> src/utils.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use eframe::App;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `self` and `self`
[INFO] [stderr]  --> src/approximation.rs:1:31
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::{utils::{Function, self, round}, gauss::{self, solve}, errors::AppError};
[INFO] [stderr]   |                               ^^^^                  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `gauss::solve`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use gauss::solve;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `itertools::Itertools`
[INFO] [stderr]  --> src/func_plot.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use itertools::Itertools;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TextBuffer`
[INFO] [stderr]  --> src/func_plot.rs:3:71
[INFO] [stderr]   |
[INFO] [stderr] 3 | use eframe::{egui::{self, plot::{self, Text}, Grid, Window, TextEdit, TextBuffer, Layout, Button, WidgetText}, epaint::{Pos2, Color32}};
[INFO] [stderr]   |                                                                       ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `row`
[INFO] [stderr]   --> src/gauss.rs:19:56
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let det = a.iter().enumerate().fold(1.0, |acc, (i, row)| {
[INFO] [stderr]    |                                                        ^^^ help: if this is intentional, prefix it with an underscore: `_row`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]   --> src/main.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let f =  Function::new( binding);
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let mut binding = |x : f64| x.powi(2);
[INFO] [stderr]    |         ----^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `get_functions` is never used
[INFO] [stderr]   --> src/func_plot.rs:42:12
[INFO] [stderr]    |
[INFO] [stderr] 32 | impl GraphApp {
[INFO] [stderr]    | ------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 42 |     pub fn get_functions(&mut self)->&mut Vec<FunctionWithDesc>{
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Enum` is never used
[INFO] [stderr]    --> src/func_plot.rs:120:6
[INFO] [stderr]     |
[INFO] [stderr] 120 | enum Enum {
[INFO] [stderr]     |      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `pow_approximate` is never used
[INFO] [stderr]    --> src/approximation.rs:375:8
[INFO] [stderr]     |
[INFO] [stderr] 375 | pub fn pow_approximate(input: &Vec<[f64;2]>)->Result<(Function, String, Vec<f64>, f64),AppError>{
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `NoSolution` and `NonLinearSystem` are never constructed
[INFO] [stderr]  --> src/gauss.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub enum GaussError {
[INFO] [stderr]   |          ---------- variants in this enum
[INFO] [stderr] 3 |     NoSolution,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 4 |     SingularMatrix,
[INFO] [stderr] 5 |     NonLinearSystem,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `GaussError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/func_plot.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |         add_method("square", squad_approximate);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 105 |         let _ = add_method("square", squad_approximate);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/func_plot.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |         add_method("cubic", cub_approximate);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 106 |         let _ = add_method("cubic", cub_approximate);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/func_plot.rs:107:9
[INFO] [stderr]     |
[INFO] [stderr] 107 |         add_method("exponental", exp_approximate);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 107 |         let _ = add_method("exponental", exp_approximate);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/func_plot.rs:108:9
[INFO] [stderr]     |
[INFO] [stderr] 108 |         add_method("log", ln_approximate);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 108 |         let _ = add_method("log", ln_approximate);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `app` (bin "app" test) generated 22 warnings (run `cargo fix --bin "app" --tests` to apply 10 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/app-e00ace68665724c5)
[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" "9256deebfe9659054613098ff1b3d6bb33ef52dc02a444f896111bb7051d5424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9256deebfe9659054613098ff1b3d6bb33ef52dc02a444f896111bb7051d5424", kill_on_drop: false }`
[INFO] [stdout] 9256deebfe9659054613098ff1b3d6bb33ef52dc02a444f896111bb7051d5424
