[INFO] cloning repository https://github.com/ysgard/rust-sdl2-example-tiles
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ysgard/rust-sdl2-example-tiles" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fysgard%2Frust-sdl2-example-tiles", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fysgard%2Frust-sdl2-example-tiles'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73512f357d7b166b59b5ce1da54a0f84da961a41
[INFO] checking ysgard/rust-sdl2-example-tiles against master#82310651b93a594a3fd69015e1562186a080d94c for pr-145770
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fysgard%2Frust-sdl2-example-tiles" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ysgard/rust-sdl2-example-tiles
[INFO] finished tweaking git repo https://github.com/ysgard/rust-sdl2-example-tiles
[INFO] tweaked toml for git repo https://github.com/ysgard/rust-sdl2-example-tiles written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ysgard/rust-sdl2-example-tiles on toolchain 82310651b93a594a3fd69015e1562186a080d94c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ysgard/rust-sdl2-example-tiles 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" "+82310651b93a594a3fd69015e1562186a080d94c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded time v0.1.35
[INFO] [stderr]   Downloaded num-traits v0.1.36
[INFO] [stderr]   Downloaded rand v0.3.15
[INFO] [stderr]   Downloaded lazy_static v0.2.2
[INFO] [stderr]   Downloaded sdl2-sys v0.27.2
[INFO] [stderr]   Downloaded num-integer v0.1.32
[INFO] [stderr]   Downloaded num-iter v0.1.32
[INFO] [stderr]   Downloaded num v0.1.36
[INFO] [stderr]   Downloaded libc v0.2.18
[INFO] [stderr]   Downloaded sdl2 v0.27.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be3d00e7476e6294895c1f782dd57d383e16ea9fd140e11ad81a8dde4b526c43
[INFO] running `Command { std: "docker" "start" "-a" "be3d00e7476e6294895c1f782dd57d383e16ea9fd140e11ad81a8dde4b526c43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be3d00e7476e6294895c1f782dd57d383e16ea9fd140e11ad81a8dde4b526c43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be3d00e7476e6294895c1f782dd57d383e16ea9fd140e11ad81a8dde4b526c43", kill_on_drop: false }`
[INFO] [stdout] be3d00e7476e6294895c1f782dd57d383e16ea9fd140e11ad81a8dde4b526c43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fca2e025a9f22b6c2d92af12e45e49a3e23701132453913dc08baa6fb1c7c03
[INFO] running `Command { std: "docker" "start" "-a" "3fca2e025a9f22b6c2d92af12e45e49a3e23701132453913dc08baa6fb1c7c03", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking libc v0.2.18
[INFO] [stderr]     Checking num-traits v0.1.36
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling sdl2-sys v0.27.2
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking lazy_static v0.2.2
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking num-integer v0.1.32
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking num-iter v0.1.32
[INFO] [stderr]     Checking num v0.1.36
[INFO] [stderr]     Checking sdl2 v0.27.2
[INFO] [stderr]     Checking rust-sdl2-example-tiles v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `LoadTexture`
[INFO] [stdout]   --> src/main.rs:16:42
[INFO] [stdout]    |
[INFO] [stdout] 16 | use sdl2::image::{INIT_PNG, LoadSurface, LoadTexture};
[INFO] [stdout]    |                                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LoadTexture`
[INFO] [stdout]   --> src/main.rs:16:42
[INFO] [stdout]    |
[INFO] [stdout] 16 | use sdl2::image::{INIT_PNG, LoadSurface, LoadTexture};
[INFO] [stdout]    |                                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sprite`
[INFO] [stdout]   --> src/main.rs:75:20
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn colorize_sprite(sprite: &mut Surface, fg_color: Color, bg_color: Color) {
[INFO] [stdout]    |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sprite`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fg_color`
[INFO] [stdout]   --> src/main.rs:75:42
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn colorize_sprite(sprite: &mut Surface, fg_color: Color, bg_color: Color) {
[INFO] [stdout]    |                                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fg_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bg_color`
[INFO] [stdout]   --> src/main.rs:75:59
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn colorize_sprite(sprite: &mut Surface, fg_color: Color, bg_color: Color) {
[INFO] [stdout]    |                                                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bg_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pixels`
[INFO] [stdout]   --> src/main.rs:87:15
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn mod_pixels(pixels: &mut [u8], fg: Color, bg: Color) {
[INFO] [stdout]    |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_pixels`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fg`
[INFO] [stdout]   --> src/main.rs:87:34
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn mod_pixels(pixels: &mut [u8], fg: Color, bg: Color) {
[INFO] [stdout]    |                                  ^^ help: if this is intentional, prefix it with an underscore: `_fg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bg`
[INFO] [stdout]   --> src/main.rs:87:45
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn mod_pixels(pixels: &mut [u8], fg: Color, bg: Color) {
[INFO] [stdout]    |                                             ^^ help: if this is intentional, prefix it with an underscore: `_bg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sprite`
[INFO] [stdout]   --> src/main.rs:75:20
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn colorize_sprite(sprite: &mut Surface, fg_color: Color, bg_color: Color) {
[INFO] [stdout]    |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sprite`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fg_color`
[INFO] [stdout]   --> src/main.rs:75:42
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn colorize_sprite(sprite: &mut Surface, fg_color: Color, bg_color: Color) {
[INFO] [stdout]    |                                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fg_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bg_color`
[INFO] [stdout]   --> src/main.rs:75:59
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn colorize_sprite(sprite: &mut Surface, fg_color: Color, bg_color: Color) {
[INFO] [stdout]    |                                                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bg_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pixels`
[INFO] [stdout]   --> src/main.rs:87:15
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn mod_pixels(pixels: &mut [u8], fg: Color, bg: Color) {
[INFO] [stdout]    |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_pixels`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fg`
[INFO] [stdout]   --> src/main.rs:87:34
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn mod_pixels(pixels: &mut [u8], fg: Color, bg: Color) {
[INFO] [stdout]    |                                  ^^ help: if this is intentional, prefix it with an underscore: `_fg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bg`
[INFO] [stdout]   --> src/main.rs:87:45
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn mod_pixels(pixels: &mut [u8], fg: Color, bg: Color) {
[INFO] [stdout]    |                                             ^^ help: if this is intentional, prefix it with an underscore: `_bg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `RED`
[INFO] [stdout]    --> src/main.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |     let RED = Color::RGB(255, 0, 0);
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_RED`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `WHITE`
[INFO] [stdout]    --> src/main.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |     let WHITE = Color::RGB(255, 255, 255);
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_WHITE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sprite_clip`
[INFO] [stdout]    --> src/main.rs:178:9
[INFO] [stdout]     |
[INFO] [stdout] 178 |     let sprite_clip = Rect::new(0, 0, SPRITE_W, SPRITE_H);
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sprite_clip`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rand_rgb_1`
[INFO] [stdout]    --> src/main.rs:229:25
[INFO] [stdout]     |
[INFO] [stdout] 229 |                     let rand_rgb_1 = Color::RGB(r1, g1, b1);
[INFO] [stdout]     |                         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rand_rgb_1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rand_rgb_2`
[INFO] [stdout]    --> src/main.rs:235:25
[INFO] [stdout]     |
[INFO] [stdout] 235 |                     let rand_rgb_2 = Color::RGB(r2, g2, b2);
[INFO] [stdout]     |                         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rand_rgb_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:256:25
[INFO] [stdout]     |
[INFO] [stdout] 256 |                     let mut glyph_tex: Texture = renderer.create_texture_from_surface(&glyph).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: enum `PixelMod` is never used
[INFO] [stdout]   --> src/main.rs:36:6
[INFO] [stdout]    |
[INFO] [stdout] 36 | enum PixelMod {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `colorize_sprite` is never used
[INFO] [stdout]   --> src/main.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn colorize_sprite(sprite: &mut Surface, fg_color: Color, bg_color: Color) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mod_pixels` is never used
[INFO] [stdout]   --> src/main.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn mod_pixels(pixels: &mut [u8], fg: Color, bg: Color) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     tile.set_color_key(true, alpha_color);
[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] 71 |     let _ = tile.set_color_key(true, alpha_color);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 121 |     glyph.set_blend_mode(BlendMode::None);
[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] 121 |     let _ = glyph.set_blend_mode(BlendMode::None);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |     glyph.set_color_key(true, Color::RGB(0, 0, 0));
[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] 126 |     let _ = glyph.set_color_key(true, Color::RGB(0, 0, 0));
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:137:5
[INFO] [stdout]     |
[INFO] [stdout] 137 |     tile.fill_rect(None, color);
[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] 137 |     let _ = tile.fill_rect(None, color);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `RED` should have a snake case name
[INFO] [stdout]    --> src/main.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |     let RED = Color::RGB(255, 0, 0);
[INFO] [stdout]     |         ^^^ help: convert the identifier to snake case: `red`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `BLUE` should have a snake case name
[INFO] [stdout]    --> src/main.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |     let BLUE = Color::RGB(0 , 0, 255);
[INFO] [stdout]     |         ^^^^ help: convert the identifier to snake case: `blue`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `WHITE` should have a snake case name
[INFO] [stdout]    --> src/main.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |     let WHITE = Color::RGB(255, 255, 255);
[INFO] [stdout]     |         ^^^^^ help: convert the identifier to snake case: `white`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `BLACK` should have a snake case name
[INFO] [stdout]    --> src/main.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |     let BLACK = Color::RGB(0, 0, 0);
[INFO] [stdout]     |         ^^^^^ help: convert the identifier to snake case: `black`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `GREEN` should have a snake case name
[INFO] [stdout]    --> src/main.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 |     let GREEN = Color::RGB(0, 255, 0);
[INFO] [stdout]     |         ^^^^^ help: convert the identifier to snake case: `green`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `PINK` should have a snake case name
[INFO] [stdout]    --> src/main.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |     let PINK = Color::RGB(255, 105, 180);
[INFO] [stdout]     |         ^^^^ help: convert the identifier to snake case: `pink`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:214:13
[INFO] [stdout]     |
[INFO] [stdout] 214 |             renderer.render_target().unwrap().set(buffer_tex);
[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] 214 |             let _ = renderer.render_target().unwrap().set(buffer_tex);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `RED`
[INFO] [stdout]    --> src/main.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |     let RED = Color::RGB(255, 0, 0);
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_RED`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `WHITE`
[INFO] [stdout]    --> src/main.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |     let WHITE = Color::RGB(255, 255, 255);
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_WHITE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sprite_clip`
[INFO] [stdout]    --> src/main.rs:178:9
[INFO] [stdout]     |
[INFO] [stdout] 178 |     let sprite_clip = Rect::new(0, 0, SPRITE_W, SPRITE_H);
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sprite_clip`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rand_rgb_1`
[INFO] [stdout]    --> src/main.rs:229:25
[INFO] [stdout]     |
[INFO] [stdout] 229 |                     let rand_rgb_1 = Color::RGB(r1, g1, b1);
[INFO] [stdout]     |                         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rand_rgb_1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rand_rgb_2`
[INFO] [stdout]    --> src/main.rs:235:25
[INFO] [stdout]     |
[INFO] [stdout] 235 |                     let rand_rgb_2 = Color::RGB(r2, g2, b2);
[INFO] [stdout]     |                         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rand_rgb_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:256:25
[INFO] [stdout]     |
[INFO] [stdout] 256 |                     let mut glyph_tex: Texture = renderer.create_texture_from_surface(&glyph).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: enum `PixelMod` is never used
[INFO] [stdout]   --> src/main.rs:36:6
[INFO] [stdout]    |
[INFO] [stdout] 36 | enum PixelMod {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `colorize_sprite` is never used
[INFO] [stdout]   --> src/main.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn colorize_sprite(sprite: &mut Surface, fg_color: Color, bg_color: Color) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mod_pixels` is never used
[INFO] [stdout]   --> src/main.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn mod_pixels(pixels: &mut [u8], fg: Color, bg: Color) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     tile.set_color_key(true, alpha_color);
[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] 71 |     let _ = tile.set_color_key(true, alpha_color);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 121 |     glyph.set_blend_mode(BlendMode::None);
[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] 121 |     let _ = glyph.set_blend_mode(BlendMode::None);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |     glyph.set_color_key(true, Color::RGB(0, 0, 0));
[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] 126 |     let _ = glyph.set_color_key(true, Color::RGB(0, 0, 0));
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:137:5
[INFO] [stdout]     |
[INFO] [stdout] 137 |     tile.fill_rect(None, color);
[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] 137 |     let _ = tile.fill_rect(None, color);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `RED` should have a snake case name
[INFO] [stdout]    --> src/main.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |     let RED = Color::RGB(255, 0, 0);
[INFO] [stdout]     |         ^^^ help: convert the identifier to snake case: `red`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `BLUE` should have a snake case name
[INFO] [stdout]    --> src/main.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |     let BLUE = Color::RGB(0 , 0, 255);
[INFO] [stdout]     |         ^^^^ help: convert the identifier to snake case: `blue`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `WHITE` should have a snake case name
[INFO] [stdout]    --> src/main.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |     let WHITE = Color::RGB(255, 255, 255);
[INFO] [stdout]     |         ^^^^^ help: convert the identifier to snake case: `white`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `BLACK` should have a snake case name
[INFO] [stdout]    --> src/main.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |     let BLACK = Color::RGB(0, 0, 0);
[INFO] [stdout]     |         ^^^^^ help: convert the identifier to snake case: `black`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `GREEN` should have a snake case name
[INFO] [stdout]    --> src/main.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 |     let GREEN = Color::RGB(0, 255, 0);
[INFO] [stdout]     |         ^^^^^ help: convert the identifier to snake case: `green`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `PINK` should have a snake case name
[INFO] [stdout]    --> src/main.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |     let PINK = Color::RGB(255, 105, 180);
[INFO] [stdout]     |         ^^^^ help: convert the identifier to snake case: `pink`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:214:13
[INFO] [stdout]     |
[INFO] [stdout] 214 |             renderer.render_target().unwrap().set(buffer_tex);
[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] 214 |             let _ = renderer.render_target().unwrap().set(buffer_tex);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.84s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.7.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "3fca2e025a9f22b6c2d92af12e45e49a3e23701132453913dc08baa6fb1c7c03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fca2e025a9f22b6c2d92af12e45e49a3e23701132453913dc08baa6fb1c7c03", kill_on_drop: false }`
[INFO] [stdout] 3fca2e025a9f22b6c2d92af12e45e49a3e23701132453913dc08baa6fb1c7c03
