[INFO] cloning repository https://github.com/dfnstrtn/basic-plotter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dfnstrtn/basic-plotter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdfnstrtn%2Fbasic-plotter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdfnstrtn%2Fbasic-plotter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 21a04118fbfa2a1751ee97d13f4ec7c3c18efbdf
[INFO] testing dfnstrtn/basic-plotter against beta-2023-04-20 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdfnstrtn%2Fbasic-plotter" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dfnstrtn/basic-plotter on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dfnstrtn/basic-plotter
[INFO] finished tweaking git repo https://github.com/dfnstrtn/basic-plotter
[INFO] tweaked toml for git repo https://github.com/dfnstrtn/basic-plotter written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dfnstrtn/basic-plotter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 926edd82c12de6f4827e83874af8540855e7e557f8622b8dd47e7bf10de783f2
[INFO] running `Command { std: "docker" "start" "-a" "926edd82c12de6f4827e83874af8540855e7e557f8622b8dd47e7bf10de783f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "926edd82c12de6f4827e83874af8540855e7e557f8622b8dd47e7bf10de783f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "926edd82c12de6f4827e83874af8540855e7e557f8622b8dd47e7bf10de783f2", kill_on_drop: false }`
[INFO] [stdout] 926edd82c12de6f4827e83874af8540855e7e557f8622b8dd47e7bf10de783f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1bc6c0fc1b48c1788822bfa3c03bba42a5a63eee0815c9b443ea2469dd2f8c7
[INFO] running `Command { std: "docker" "start" "-a" "a1bc6c0fc1b48c1788822bfa3c03bba42a5a63eee0815c9b443ea2469dd2f8c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling weezl v0.1.5
[INFO] [stderr]    Compiling sdl2 v0.34.5
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling sdl2-sys v0.34.5
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling ttf-parser v0.6.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling gif v0.11.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling plotter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling bytemuck v1.7.2
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.5
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling owned_ttf_parser v0.6.0
[INFO] [stderr]    Compiling ttf-parser v0.9.0
[INFO] [stderr]    Compiling rusttype v0.9.2
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]    --> src/file_read.rs:183:5
[INFO] [stdout]     |
[INFO] [stdout] 183 | use std::io::Write;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/rendering_system.rs:152:32
[INFO] [stdout]     |
[INFO] [stdout] 152 |                     pixel_data[(x + y*width)]=i;
[INFO] [stdout]     |                                ^           ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 152 -                     pixel_data[(x + y*width)]=i;
[INFO] [stdout] 152 +                     pixel_data[x + y*width]=i;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read`, `Write`
[INFO] [stdout]  --> src/server.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{Read, Write};
[INFO] [stdout]   |               ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Font`, `Scale`, `point`
[INFO] [stdout]  --> src/main.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rusttype ::{point,Font,Scale};
[INFO] [stdout]   |                 ^^^^^ ^^^^ ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::io::Write;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::path::Path;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::render::Canvas`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use sdl2::render::Canvas;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::video::Window`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use sdl2::video::Window;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::pixels::Color`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use sdl2::pixels::Color;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::collections::HashSet;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RgbImage`, `Rgb`
[INFO] [stdout]   --> src/main.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 | use image::{RgbImage,Rgb};
[INFO] [stdout]    |             ^^^^^^^^ ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]   --> src/main.rs:56:10
[INFO] [stdout]    |
[INFO] [stdout] 56 |     while(running){
[INFO] [stdout]    |          ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 56 -     while(running){
[INFO] [stdout] 56 +     while running {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_data`
[INFO] [stdout]    --> src/file_read.rs:190:13
[INFO] [stdout]     |
[INFO] [stdout] 190 |     let mut file_data = String::new();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_data`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_data_us`
[INFO] [stdout]    --> src/file_read.rs:191:13
[INFO] [stdout]     |
[INFO] [stdout] 191 |     let mut file_data_us = String::new();
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_data_us`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reader`
[INFO] [stdout]    --> src/file_read.rs:196:13
[INFO] [stdout]     |
[INFO] [stdout] 196 |     let mut reader = std::io::BufReader::new(readings);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reader_us`
[INFO] [stdout]    --> src/file_read.rs:197:13
[INFO] [stdout]     |
[INFO] [stdout] 197 |     let mut reader_us = std::io::BufReader::new(readings_us);
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader_us`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data_anal`
[INFO] [stdout]    --> src/file_read.rs:201:13
[INFO] [stdout]     |
[INFO] [stdout] 201 |     let mut data_anal:Vec<f32>=Vec::new();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_anal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ws_data`
[INFO] [stdout]    --> src/file_read.rs:203:13
[INFO] [stdout]     |
[INFO] [stdout] 203 |     let mut ws_data:Vec<f32>=Vec::new();
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ws_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `us_data`
[INFO] [stdout]    --> src/file_read.rs:204:13
[INFO] [stdout]     |
[INFO] [stdout] 204 |     let mut us_data:Vec<f32>=Vec::new();
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_us_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `laser_data`
[INFO] [stdout]    --> src/file_read.rs:205:13
[INFO] [stdout]     |
[INFO] [stdout] 205 |     let mut laser_data:Vec<f32>=Vec::new();
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_laser_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `odometry_data`
[INFO] [stdout]    --> src/file_read.rs:211:13
[INFO] [stdout]     |
[INFO] [stdout] 211 |     let mut odometry_data = Vec::<(f32,f32)>::new();
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_odometry_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `origin`
[INFO] [stdout]    --> src/coordinates.rs:159:13
[INFO] [stdout]     |
[INFO] [stdout] 159 |         let origin = self.transform.get_transform(0.,0.);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_origin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/coordinates.rs:251:29
[INFO] [stdout]     |
[INFO] [stdout] 251 |     pub fn render(&mut self,x:Number,y:Number){
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/coordinates.rs:251:38
[INFO] [stdout]     |
[INFO] [stdout] 251 |     pub fn render(&mut self,x:Number,y:Number){
[INFO] [stdout]     |                                      ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]   --> src/rendering_system.rs:19:59
[INFO] [stdout]    |
[INFO] [stdout] 19 |             pixels:(0..(window_width*window_height)).map(|m|{(0,0,0)}).collect::<Vec<PixelFormat>>()
[INFO] [stdout]    |                                                           ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/rendering_system.rs:36:18
[INFO] [stdout]    |
[INFO] [stdout] 36 |             Some(v)=>{self.pixels[pixel] = color; Ok(pixel)}
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/rendering_system.rs:76:7
[INFO] [stdout]    |
[INFO] [stdout] 76 |         for j in 0..pixel_data.0.len(){
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `points`
[INFO] [stdout]   --> src/main.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let mut points: Vec<(f32,f32)> = Vec::new();
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_points`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/file_read.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let mut a = txt.split_once(':');
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/file_read.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let mut a = text.split_once(':');
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/file_read.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let mut a = text.split_once(':');
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/file_read.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 131 |     let mut readings_sensor = std::fs::File::open("raw_data/lidar_data.txt")?;
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/file_read.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |     let mut reader_sensor = std::io::BufReader::new(readings_sensor); 
[INFO] [stdout]     |         ----^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/file_read.rs:185:9
[INFO] [stdout]     |
[INFO] [stdout] 185 |     let mut readings = std::fs::File::open("raw_data/test8.txt")?;
[INFO] [stdout]     |         ----^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/file_read.rs:186:9
[INFO] [stdout]     |
[INFO] [stdout] 186 |     let mut readings_us = std::fs::File::open("raw_data/test_us8.txt")?;
[INFO] [stdout]     |         ----^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/file_read.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 187 |     let mut readings_x_y_t = std::fs::File::open("raw_data/dead_obj_coord.txt")?;
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/file_read.rs:190:9
[INFO] [stdout]     |
[INFO] [stdout] 190 |     let mut file_data = String::new();
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/file_read.rs:191:9
[INFO] [stdout]     |
[INFO] [stdout] 191 |     let mut file_data_us = String::new();
[INFO] [stdout]     |         ----^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/file_read.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 196 |     let mut reader = std::io::BufReader::new(readings);
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/file_read.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 197 |     let mut reader_us = std::io::BufReader::new(readings_us);
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/file_read.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 198 |     let mut reader_x_y_t = std::io::BufReader::new(readings_x_y_t);
[INFO] [stdout]     |         ----^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/file_read.rs:201:9
[INFO] [stdout]     |
[INFO] [stdout] 201 |     let mut data_anal:Vec<f32>=Vec::new();
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/file_read.rs:203:9
[INFO] [stdout]     |
[INFO] [stdout] 203 |     let mut ws_data:Vec<f32>=Vec::new();
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/file_read.rs:204:9
[INFO] [stdout]     |
[INFO] [stdout] 204 |     let mut us_data:Vec<f32>=Vec::new();
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/file_read.rs:205:9
[INFO] [stdout]     |
[INFO] [stdout] 205 |     let mut laser_data:Vec<f32>=Vec::new();
[INFO] [stdout]     |         ----^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/file_read.rs:211:9
[INFO] [stdout]     |
[INFO] [stdout] 211 |     let mut odometry_data = Vec::<(f32,f32)>::new();
[INFO] [stdout]     |         ----^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/file_read.rs:241:9
[INFO] [stdout]     |
[INFO] [stdout] 241 |     let mut readings_x_y_t = std::fs::File::open("raw_data/x_y_values.txt")?;
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/file_read.rs:242:9
[INFO] [stdout]     |
[INFO] [stdout] 242 |     let mut reader_x_y_t = std::io::BufReader::new(readings_x_y_t);
[INFO] [stdout]     |         ----^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn handle_client(mut stream: TcpStream,tx:mpsc::Sender<DataFormat>){
[INFO] [stdout]    |                  ----^^^^^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let mut transamount = 200.;
[INFO] [stdout]    |         ----^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let mut points: Vec<(f32,f32)> = Vec::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TEXT_COLOR` is never used
[INFO] [stdout]   --> src/main.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 | const TEXT_COLOR:(u8,u8,u8) = (70,70,70);
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_file_data` is never used
[INFO] [stdout]  --> src/file_read.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn read_file_data()->Result<String,()>{
[INFO] [stdout]   |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_WS_to_array` is never used
[INFO] [stdout]   --> src/file_read.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn load_WS_to_array(array:&mut Vec<f32>, text:&mut String)->Result<(),()>{
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_US_to_array` is never used
[INFO] [stdout]   --> src/file_read.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn load_US_to_array(array:&mut Vec<f32>, text:&mut String){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_LS_to_array` is never used
[INFO] [stdout]   --> src/file_read.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn load_LS_to_array(array:&mut Vec<f32>, text:&mut String){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `WIN_WIDTH`, `WIN_HEIGHT`, and `data_array` are never read
[INFO] [stdout]    --> src/coordinates.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub struct Coords2D{
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 123 |     WIN_WIDTH:Number,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 124 |     WIN_HEIGHT:Number,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |     data_array:Vec<(u8,u8,u8,u8)>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/file_read.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |         s.read_to_string(&mut data);
[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] 8 |         let _ = s.read_to_string(&mut data);
[INFO] [stdout]   |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_WS_to_array` should have a snake case name
[INFO] [stdout]   --> src/file_read.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn load_WS_to_array(array:&mut Vec<f32>, text:&mut String)->Result<(),()>{
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `load_ws_to_array`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_US_to_array` should have a snake case name
[INFO] [stdout]   --> src/file_read.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn load_US_to_array(array:&mut Vec<f32>, text:&mut String){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `load_us_to_array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_LS_to_array` should have a snake case name
[INFO] [stdout]   --> src/file_read.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn load_LS_to_array(array:&mut Vec<f32>, text:&mut String){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `load_ls_to_array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_XYTs_to_array` should have a snake case name
[INFO] [stdout]   --> src/file_read.rs:90:4
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn load_XYTs_to_array(array:&mut Vec<f32>, text:&mut String){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `load_xyts_to_array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `loadXYs_to_array` should have a snake case name
[INFO] [stdout]    --> src/file_read.rs:104:4
[INFO] [stdout]     |
[INFO] [stdout] 104 | fn loadXYs_to_array(array:&mut Vec<f32>,text:&mut String){
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `load_xys_to_array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `loadSensorData` should have a snake case name
[INFO] [stdout]    --> src/file_read.rs:118:4
[INFO] [stdout]     |
[INFO] [stdout] 118 | fn loadSensorData(text:&mut String)->Vec<f32>{
[INFO] [stdout]     |    ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `load_sensor_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `testSensorData` should have a snake case name
[INFO] [stdout]    --> src/file_read.rs:130:8
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub fn testSensorData()->std::io::Result<Vec<Vec<(f32,f32)>>>{
[INFO] [stdout]     |        ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_sensor_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `WIN_WIDTH` should have a snake case name
[INFO] [stdout]    --> src/coordinates.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 123 |     WIN_WIDTH:Number,
[INFO] [stdout]     |     ^^^^^^^^^ help: convert the identifier to snake case: `win_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `WIN_HEIGHT` should have a snake case name
[INFO] [stdout]    --> src/coordinates.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 124 |     WIN_HEIGHT:Number,
[INFO] [stdout]     |     ^^^^^^^^^^ help: convert the identifier to snake case: `win_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `WIN_MAX` should have a snake case name
[INFO] [stdout]    --> src/coordinates.rs:125:5
[INFO] [stdout]     |
[INFO] [stdout] 125 |     WIN_MAX:Number,
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to snake case: `win_max`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `MAX_VAL` should have a snake case name
[INFO] [stdout]    --> src/coordinates.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |     MAX_VAL:Number,
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to snake case: `max_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_xstart` should have a snake case name
[INFO] [stdout]    --> src/coordinates.rs:178:14
[INFO] [stdout]     |
[INFO] [stdout] 178 |         let (X_xstart,X_ystart) = self.transform.get_transform(-self.MAX_VAL,0.);
[INFO] [stdout]     |              ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_xstart`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_ystart` should have a snake case name
[INFO] [stdout]    --> src/coordinates.rs:178:23
[INFO] [stdout]     |
[INFO] [stdout] 178 |         let (X_xstart,X_ystart) = self.transform.get_transform(-self.MAX_VAL,0.);
[INFO] [stdout]     |                       ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_ystart`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_xend` should have a snake case name
[INFO] [stdout]    --> src/coordinates.rs:179:14
[INFO] [stdout]     |
[INFO] [stdout] 179 |         let (X_xend,X_yend) = self.transform.get_transform(self.MAX_VAL,0.);
[INFO] [stdout]     |              ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_xend`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_yend` should have a snake case name
[INFO] [stdout]    --> src/coordinates.rs:179:21
[INFO] [stdout]     |
[INFO] [stdout] 179 |         let (X_xend,X_yend) = self.transform.get_transform(self.MAX_VAL,0.);
[INFO] [stdout]     |                     ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `x_yend`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_xstart` should have a snake case name
[INFO] [stdout]    --> src/coordinates.rs:182:14
[INFO] [stdout]     |
[INFO] [stdout] 182 |         let (Y_xstart,Y_ystart) = self.transform.get_transform(0.,-self.MAX_VAL);
[INFO] [stdout]     |              ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_xstart`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_ystart` should have a snake case name
[INFO] [stdout]    --> src/coordinates.rs:182:23
[INFO] [stdout]     |
[INFO] [stdout] 182 |         let (Y_xstart,Y_ystart) = self.transform.get_transform(0.,-self.MAX_VAL);
[INFO] [stdout]     |                       ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_ystart`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_xend` should have a snake case name
[INFO] [stdout]    --> src/coordinates.rs:183:14
[INFO] [stdout]     |
[INFO] [stdout] 183 |         let (Y_xend,Y_yend) = self.transform.get_transform(0.,self.MAX_VAL);
[INFO] [stdout]     |              ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_xend`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_yend` should have a snake case name
[INFO] [stdout]    --> src/coordinates.rs:183:21
[INFO] [stdout]     |
[INFO] [stdout] 183 |         let (Y_xend,Y_yend) = self.transform.get_transform(0.,self.MAX_VAL);
[INFO] [stdout]     |                     ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `y_yend`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/rendering_system.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 canvas.draw_point(sdl2::rect::Point::new(x as i32,y as i32));
[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] 57 |                 let _ = canvas.draw_point(sdl2::rect::Point::new(x as i32,y as i32));
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/rendering_system.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     canvas.draw_line(sdl2::rect::Point::new(start.0 as i32,start.1 as i32),sdl2::rect::Point::new(end.0 as i32 ,end.1 as i32));
[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] 90 |     let _ = canvas.draw_line(sdl2::rect::Point::new(start.0 as i32,start.1 as i32),sdl2::rect::Point::new(end.0 as i32 ,end.1 as i32));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/rendering_system.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 98 |           canvas.draw_point(sdl2::rect::Point::new(point.0 as i32,point.1 as i32));
[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] 98 |           let _ = canvas.draw_point(sdl2::rect::Point::new(point.0 as i32,point.1 as i32));
[INFO] [stdout]    |           +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/rendering_system.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 104 |           canvas.draw_rect(rect);
[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] 104 |           let _ = canvas.draw_rect(rect);
[INFO] [stdout]     |           +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/rendering_system.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 111 |           canvas.fill_rect(rect);
[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] 111 |           let _ = canvas.fill_rect(rect);
[INFO] [stdout]     |           +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/server.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |                 tx.send(z);
[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] 19 |                 let _ = tx.send(z);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustcjykEZT/symbols.o" "/opt/rustwide/target/debug/deps/plotter-dd4cf84dd121ad34.plotter.0818b0ca-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/plotter-dd4cf84dd121ad34.plotter.0818b0ca-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/plotter-dd4cf84dd121ad34.plotter.0818b0ca-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/plotter-dd4cf84dd121ad34.plotter.0818b0ca-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/plotter-dd4cf84dd121ad34.plotter.0818b0ca-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/plotter-dd4cf84dd121ad34.plotter.0818b0ca-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/plotter-dd4cf84dd121ad34.plotter.0818b0ca-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/plotter-dd4cf84dd121ad34.plotter.0818b0ca-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/plotter-dd4cf84dd121ad34.plotter.0818b0ca-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/plotter-dd4cf84dd121ad34.plotter.0818b0ca-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/plotter-dd4cf84dd121ad34.plotter.0818b0ca-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/plotter-dd4cf84dd121ad34.plotter.0818b0ca-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/plotter-dd4cf84dd121ad34.plotter.0818b0ca-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/plotter-dd4cf84dd121ad34.plotter.0818b0ca-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/plotter-dd4cf84dd121ad34.plotter.0818b0ca-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/plotter-dd4cf84dd121ad34.plotter.0818b0ca-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/plotter-dd4cf84dd121ad34.5a1tlkepc3h2n4wo.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libserde_json-180e6b519a17dd72.rlib" "/opt/rustwide/target/debug/deps/libryu-1f87c9e09d988964.rlib" "/opt/rustwide/target/debug/deps/libitoa-57ac2f3fee0fa4c3.rlib" "/opt/rustwide/target/debug/deps/libimage-9f57f259283f60f3.rlib" "/opt/rustwide/target/debug/deps/libbytemuck-e7ab68083180f5cd.rlib" "/opt/rustwide/target/debug/deps/libpng-7ca798691b9f83cc.rlib" "/opt/rustwide/target/debug/deps/libminiz_oxide-210ea0057e6857f3.rlib" "/opt/rustwide/target/debug/deps/libcrc32fast-9805a98d94c1327e.rlib" "/opt/rustwide/target/debug/deps/libdeflate-cb4d95640e47c57e.rlib" "/opt/rustwide/target/debug/deps/libadler32-4ad3039ef892af0b.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-065411535a4a17fd.rlib" "/opt/rustwide/target/debug/deps/libscoped_threadpool-0a9edc57bfe4f517.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-71c92e5dbbc2c80d.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-a294e2cb4d978ddc.rlib" "/opt/rustwide/target/debug/deps/libgif-34befc66f6760d09.rlib" "/opt/rustwide/target/debug/deps/libcolor_quant-76ea6da9e2ca7302.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-614d7e4e7f7903e2.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-af8ea78804204b7e.rlib" "/opt/rustwide/target/debug/deps/libtiff-4c42d011b864dd72.rlib" "/opt/rustwide/target/debug/deps/libweezl-55d032a32b789a6f.rlib" "/opt/rustwide/target/debug/deps/libminiz_oxide-513438cb7ddad6e1.rlib" "/opt/rustwide/target/debug/deps/libadler-92f8db84032ff960.rlib" "/opt/rustwide/target/debug/deps/libjpeg_decoder-81471148ce403bed.rlib" "/opt/rustwide/target/debug/deps/librayon-912362a158309fd1.rlib" "/opt/rustwide/target/debug/deps/librayon_core-fb736fce558a81ad.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-efe87b2a36644c2e.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-0a9706ad787c7018.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-dbd952fec402d28d.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-4b1a5aaa4ec15207.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-54ff2283d814f48f.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_channel-bb5b87443e46933f.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-9912459ed254f5a3.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-97437e183f3ae6e4.rlib" "/opt/rustwide/target/debug/deps/libeither-1fa9e7dc99f602fc.rlib" "/opt/rustwide/target/debug/deps/librusttype-70cc2dfd584844d7.rlib" "/opt/rustwide/target/debug/deps/libab_glyph_rasterizer-bc48b138358e0aae.rlib" "/opt/rustwide/target/debug/deps/libowned_ttf_parser-dfcc6ab5df08e368.rlib" "/opt/rustwide/target/debug/deps/libttf_parser-6bb75b11ef33cac6.rlib" "/opt/rustwide/target/debug/deps/libsdl2-62d9ad7ccc6fa74f.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-6be67f36ad21c35c.rlib" "/opt/rustwide/target/debug/deps/libbitflags-610a73087f46ba3b.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-86422d76b8bd90ed.rlib" "/opt/rustwide/target/debug/deps/liblibc-3a0f96048809e27b.rlib" "/opt/rustwide/target/debug/deps/libserde-a025c67be531de62.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-0e29cc23c5e02021.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-d903621768a861d9.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-6d0225e655f31c13.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-9dbaf4eac7eaa079.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-27f05b3d42a66dd0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-4d73f1030321c9a2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-2846c9e58abd0acb.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-a53d0f50415947be.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d48e4b6abc25b9dc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-2991859439ef1207.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-8a687517e4221bae.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-e07b554f6a67f5b3.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-b68238b7c3c619dd.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-d5e213e896c017e4.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-0211a3b2e61d8689.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-b371f055239ba51f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-e60518d2760eb01e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-1ad943f92a4b1081.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-f0d6e4d0fc1e80b4.rlib" "-Wl,-Bdynamic" "-lSDL2" "-lSDL2_image" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/plotter-dd4cf84dd121ad34" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lSDL2_image: No such file or directory
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 83 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `plotter` (bin "plotter") due to 2 previous errors; 83 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "a1bc6c0fc1b48c1788822bfa3c03bba42a5a63eee0815c9b443ea2469dd2f8c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1bc6c0fc1b48c1788822bfa3c03bba42a5a63eee0815c9b443ea2469dd2f8c7", kill_on_drop: false }`
[INFO] [stdout] a1bc6c0fc1b48c1788822bfa3c03bba42a5a63eee0815c9b443ea2469dd2f8c7
