[INFO] cloning repository https://github.com/BrickShack-Studios/VectorSpace
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BrickShack-Studios/VectorSpace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrickShack-Studios%2FVectorSpace", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrickShack-Studios%2FVectorSpace'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e7f2bc7ae6d0bff1ad661910b88391d814dbf2d
[INFO] testing BrickShack-Studios/VectorSpace against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrickShack-Studios%2FVectorSpace" "/workspace/builds/worker-74/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-74/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BrickShack-Studios/VectorSpace on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BrickShack-Studios/VectorSpace
[INFO] finished tweaking git repo https://github.com/BrickShack-Studios/VectorSpace
[INFO] tweaked toml for git repo https://github.com/BrickShack-Studios/VectorSpace written to /workspace/builds/worker-74/source/Cargo.toml
[INFO] crate git repo https://github.com/BrickShack-Studios/VectorSpace already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f363dc7ec28a8cec20260c6325f483a03ae0d227e0c7f6f6d8e47d14fe3d471
[INFO] running `Command { std: "docker" "start" "-a" "6f363dc7ec28a8cec20260c6325f483a03ae0d227e0c7f6f6d8e47d14fe3d471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f363dc7ec28a8cec20260c6325f483a03ae0d227e0c7f6f6d8e47d14fe3d471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f363dc7ec28a8cec20260c6325f483a03ae0d227e0c7f6f6d8e47d14fe3d471", kill_on_drop: false }`
[INFO] [stdout] 6f363dc7ec28a8cec20260c6325f483a03ae0d227e0c7f6f6d8e47d14fe3d471
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea10a21d040879988e57b29043ee8dadb7f0d1186ddfd2e51000e0ce8434553b
[INFO] running `Command { std: "docker" "start" "-a" "ea10a21d040879988e57b29043ee8dadb7f0d1186ddfd2e51000e0ce8434553b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling sdl2 v0.34.3
[INFO] [stderr]    Compiling sdl2-sys v0.34.3
[INFO] [stderr]    Compiling rand_core v0.6.0
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.0
[INFO] [stderr]    Compiling VectorSpace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Canvas`
[INFO] [stdout]  --> src/./functions.rs:5:45
[INFO] [stdout]   |
[INFO] [stdout] 5 | use sdl2::render::{Texture, TextureCreator, Canvas};
[INFO] [stdout]   |                                             ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rect`
[INFO] [stdout]  --> src/./functions.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | use sdl2::rect::{Rect};
[INFO] [stdout]   |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `InitFlag`, `self`
[INFO] [stdout]  --> src/./functions.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | use sdl2::image::{self, LoadTexture, InitFlag};
[INFO] [stdout]   |                   ^^^^               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Window`
[INFO] [stdout]  --> src/./functions.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 | use sdl2::video::{Window, WindowContext};
[INFO] [stdout]   |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Canvas`
[INFO] [stdout]  --> src/./functions.rs:5:45
[INFO] [stdout]   |
[INFO] [stdout] 5 | use sdl2::render::{Texture, TextureCreator, Canvas};
[INFO] [stdout]   |                                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rect`
[INFO] [stdout]  --> src/./player.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | use sdl2::rect::{Rect};
[INFO] [stdout]   |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rect`
[INFO] [stdout]  --> src/./meteor.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | use sdl2::rect::{Rect};
[INFO] [stdout]   |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `WindowContext`, `Window`
[INFO] [stdout]   --> src/main.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 13 | use sdl2::video::{Window, WindowContext};
[INFO] [stdout]    |                   ^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Canvas`, `TextureCreator`, `Texture`
[INFO] [stdout]   --> src/main.rs:14:20
[INFO] [stdout]    |
[INFO] [stdout] 14 | use sdl2::render::{Texture, TextureCreator, Canvas};
[INFO] [stdout]    |                    ^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FontStyle`, `PartialRendering`, `Sdl2TtfContext`
[INFO] [stdout]   --> src/main.rs:15:23
[INFO] [stdout]    |
[INFO] [stdout] 15 | use sdl2::ttf::{self, PartialRendering, Sdl2TtfContext, FontStyle};
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Channel`, `Chunk`
[INFO] [stdout]   --> src/main.rs:18:25
[INFO] [stdout]    |
[INFO] [stdout] 18 | use sdl2::mixer::{self, Chunk, Channel};
[INFO] [stdout]    |                         ^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `audio`
[INFO] [stdout]   --> src/main.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let audio = sdl_context.audio().unwrap();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_audio`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `font`
[INFO] [stdout]   --> src/main.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let font = font_context.load_font("./font/kenvector_future_thin.ttf", 20).unwrap();
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_font`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `meteor`
[INFO] [stdout]    --> src/main.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |     let meteor = m::Meteor::new(400f32, 300f32, 64u32, 64u32, 3f32, vec![0f32, 1f32], meteor_texture);
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_meteor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let mut font_context = ttf::init().unwrap();
[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/main.rs:242:29
[INFO] [stdout]     |
[INFO] [stdout] 242 |                         for mut i in 0..entities.len() {
[INFO] [stdout]     |                             ----^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Entity`
[INFO] [stdout]  --> src/./entity.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Entity<'a> {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/./entity.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new(x:f32, y:f32, w:u32, h:u32, speed:f32, velocity:Vec<f32>, texture: Texture<'a>) -> Entity<'a> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `draw`
[INFO] [stdout]   --> src/./entity.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn draw(&self, canvas: &mut Canvas<Window>) -> Result<(), String> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_dst`
[INFO] [stdout]   --> src/./entity.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn set_dst(&mut self) {   
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_src`
[INFO] [stdout]   --> src/./entity.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn set_src(&mut self, x: i32, y: i32, w: i32, h: i32) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `on_screen`
[INFO] [stdout]   --> src/./entity.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn on_screen(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_vector`
[INFO] [stdout]   --> src/./functions.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn add_vector(v1: Vec<f32>, v2: Vec<f32>) -> Vec<f32> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `scalar_vector`
[INFO] [stdout]   --> src/./functions.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn scalar_vector(v: Vec<f32>, m: f32) -> Vec<f32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `flip_vector`
[INFO] [stdout]   --> src/./functions.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn flip_vector(v: Vec<f32>) -> Vec<f32> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sub_vector`
[INFO] [stdout]   --> src/./functions.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn sub_vector(v1: Vec<f32>, v2: Vec<f32>) -> Vec<f32> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `magnitude`
[INFO] [stdout]   --> src/./functions.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn magnitude(vector : Vec<f32>) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `normalize`
[INFO] [stdout]   --> src/./functions.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn normalize(vector: Vec<f32>) -> Vec<f32> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Entity`
[INFO] [stdout]  --> src/./entity.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Entity<'a> {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_intersecting`
[INFO] [stdout]   --> src/./functions.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn is_intersecting(x1:i32, y1:i32, x2:i32, y2:i32, w:i32, h:i32) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_texture`
[INFO] [stdout]   --> src/./functions.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn get_texture(texture_creator: &TextureCreator<WindowContext>, src: String) -> Result<Texture, String> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `valid_x_move`
[INFO] [stdout]   --> src/./player.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn valid_x_move(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `valid_y_move`
[INFO] [stdout]   --> src/./player.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn valid_y_move(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `move`
[INFO] [stdout]   --> src/./player.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn r#move(&mut self, controller: &Controller) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `GameOver`
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     GameOver
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `VectorSpace` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `vector_space`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:135:13
[INFO] [stdout]     |
[INFO] [stdout] 135 |             bg_sections[i].entity.draw(&mut canvas);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:191:41
[INFO] [stdout]     |
[INFO] [stdout] 191 | ...                   game_music.play(1);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:192:41
[INFO] [stdout]     |
[INFO] [stdout] 192 | ...                   mixer::Music::set_pos(6.9);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:224:21
[INFO] [stdout]     |
[INFO] [stdout] 224 |                     menu_music.play(1);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:246:37
[INFO] [stdout]     |
[INFO] [stdout] 246 | ...                   p.entity.draw(&mut canvas); 
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:255:41
[INFO] [stdout]     |
[INFO] [stdout] 255 | ...                   m.entity.draw(&mut canvas);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:261:25
[INFO] [stdout]     |
[INFO] [stdout] 261 |                         canvas.copy(&title_texture, None, Rect::new(450, 450, 300, 100));
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:262:25
[INFO] [stdout]     |
[INFO] [stdout] 262 |                         canvas.copy(&play_texture, None, Rect::new(570, 535, 60, 35));
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:263:25
[INFO] [stdout]     |
[INFO] [stdout] 263 |                         canvas.copy(&instr_texture, None, Rect::new(525, 565, 150, 35));
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:264:25
[INFO] [stdout]     |
[INFO] [stdout] 264 |                         canvas.copy(&credits_texture, None, Rect::new(555, 595, 90, 35));
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:267:25
[INFO] [stdout]     |
[INFO] [stdout] 267 |                         canvas.copy(&movement_texture, None, Rect::new(100, 50, 1000, 100));   
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:268:25
[INFO] [stdout]     |
[INFO] [stdout] 268 |                         canvas.copy(&shoot_texture, None, Rect::new(350, 150, 500, 100));
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:269:25
[INFO] [stdout]     |
[INFO] [stdout] 269 |                         canvas.copy(&pause_texture, None, Rect::new(375, 250, 450, 100));
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:270:25
[INFO] [stdout]     |
[INFO] [stdout] 270 |                         canvas.copy(&back_texture, None, Rect::new(500, 550, 200, 100));
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:273:25
[INFO] [stdout]     |
[INFO] [stdout] 273 |                         canvas.copy(&dev_texture, None, Rect::new(450, 0, 300, 100));
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:274:25
[INFO] [stdout]     |
[INFO] [stdout] 274 |                         canvas.copy(&gamedev_texture, None, Rect::new(475, 90, 250, 50));
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:275:25
[INFO] [stdout]     |
[INFO] [stdout] 275 |                         canvas.copy(&art_texture, None, Rect::new(500, 125, 200, 100));
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:276:25
[INFO] [stdout]     |
[INFO] [stdout] 276 |                         canvas.copy(&artist_texture, None, Rect::new(525, 210, 150, 50));
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:277:25
[INFO] [stdout]     |
[INFO] [stdout] 277 |                         canvas.copy(&music_texture, None, Rect::new(475, 245, 250, 100));
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:278:25
[INFO] [stdout]     |
[INFO] [stdout] 278 |                         canvas.copy(&musician_texture, None, Rect::new(475, 330, 250, 50));
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:279:25
[INFO] [stdout]     |
[INFO] [stdout] 279 |                         canvas.copy(&sfx_texture, None, Rect::new(450, 370, 300, 100));
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:280:25
[INFO] [stdout]     |
[INFO] [stdout] 280 |                         canvas.copy(&sfxer1_texture, None, Rect::new(500, 455, 200, 50));
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:281:25
[INFO] [stdout]     |
[INFO] [stdout] 281 |                         canvas.copy(&sfxer2_texture, None, Rect::new(500, 495, 200, 50));
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:282:25
[INFO] [stdout]     |
[INFO] [stdout] 282 |                         canvas.copy(&back_texture, None, Rect::new(500, 550, 200, 100));
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:288:21
[INFO] [stdout]     |
[INFO] [stdout] 288 |                     game_music.play(1);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:289:21
[INFO] [stdout]     |
[INFO] [stdout] 289 |                     mixer::Music::set_pos(6.9);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/VectorSpace-22f86852e88d9c61.VectorSpace.c62c9013-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/VectorSpace-22f86852e88d9c61.VectorSpace.c62c9013-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/VectorSpace-22f86852e88d9c61.VectorSpace.c62c9013-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/VectorSpace-22f86852e88d9c61.VectorSpace.c62c9013-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/VectorSpace-22f86852e88d9c61.VectorSpace.c62c9013-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/VectorSpace-22f86852e88d9c61.VectorSpace.c62c9013-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/VectorSpace-22f86852e88d9c61.VectorSpace.c62c9013-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/VectorSpace-22f86852e88d9c61.VectorSpace.c62c9013-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/VectorSpace-22f86852e88d9c61.VectorSpace.c62c9013-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/VectorSpace-22f86852e88d9c61.VectorSpace.c62c9013-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/VectorSpace-22f86852e88d9c61.VectorSpace.c62c9013-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/VectorSpace-22f86852e88d9c61.VectorSpace.c62c9013-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/VectorSpace-22f86852e88d9c61.VectorSpace.c62c9013-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/VectorSpace-22f86852e88d9c61.VectorSpace.c62c9013-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/VectorSpace-22f86852e88d9c61.VectorSpace.c62c9013-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/VectorSpace-22f86852e88d9c61.VectorSpace.c62c9013-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/VectorSpace-22f86852e88d9c61.pvvofci0usmtxez.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librand-631d1490e23e3596.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-fb5e2ded81fb49b9.rlib" "/opt/rustwide/target/debug/deps/libppv_lite86-8619f3436cd33015.rlib" "/opt/rustwide/target/debug/deps/librand_core-3840aff25295c9c4.rlib" "/opt/rustwide/target/debug/deps/libgetrandom-9bae6c90a53b0d9b.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-ffb7f11ad1437080.rlib" "/opt/rustwide/target/debug/deps/libsdl2-8ddb221136e8551f.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-45c542fdd6355d5e.rlib" "/opt/rustwide/target/debug/deps/libbitflags-e09638bf9aca31b4.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-e92083d5a39a8b50.rlib" "/opt/rustwide/target/debug/deps/liblibc-d20a268358a4a333.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-197d933f09d9a590.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-46a006cddfd334f0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-5b9870310e470b38.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-260022ba8f1ab4ee.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-71377435a799394f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-658ee5924fde57cd.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-9e8627da6bd1b94a.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-19fdaac49f59be84.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-cb00e2691ea45905.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-50f6726defae5ae1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-2afc16311deea26e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bb5cb0fe086ee8cf.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-896053247b5dfd0b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-735e1f2ac3cf23be.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-9dfb6622644c732c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-beea7d9617fe25c5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8ef7dd43fc671f88.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-a9a3b2ad67977f47.rlib" "-Wl,-Bdynamic" "-lSDL2" "-lSDL2_mixer" "-lSDL2_image" "-lSDL2_ttf" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/VectorSpace-22f86852e88d9c61" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lSDL2_mixer
[INFO] [stdout]           /usr/bin/ld: cannot find -lSDL2_image
[INFO] [stdout]           /usr/bin/ld: cannot find -lSDL2_ttf
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 62 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `VectorSpace` due to 2 previous errors; 62 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ea10a21d040879988e57b29043ee8dadb7f0d1186ddfd2e51000e0ce8434553b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea10a21d040879988e57b29043ee8dadb7f0d1186ddfd2e51000e0ce8434553b", kill_on_drop: false }`
[INFO] [stdout] ea10a21d040879988e57b29043ee8dadb7f0d1186ddfd2e51000e0ce8434553b
