[INFO] updating cached repository https://github.com/svenslaggare/imageeditor
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1e477788f2eda4854f4130256c367e4e6183a9f1
[INFO] testing svenslaggare/imageeditor against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsvenslaggare%2Fimageeditor" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/svenslaggare/imageeditor on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/svenslaggare/imageeditor
[INFO] finished tweaking git repo https://github.com/svenslaggare/imageeditor
[INFO] tweaked toml for git repo https://github.com/svenslaggare/imageeditor written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/svenslaggare/imageeditor already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cd11d59654419ae16c8ebc26abc65e4cb0d58fa860cb00a601655d96c65e18de
[INFO] running `"docker" "start" "-a" "cd11d59654419ae16c8ebc26abc65e4cb0d58fa860cb00a601655d96c65e18de"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling freetype-sys v0.9.0
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling gl v0.14.0
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling glfw-sys v3.3.2
[INFO] [stderr]    Compiling png v0.15.3
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling freetype-rs v0.23.0 (https://github.com/PistonDevelopers/freetype-rs#9378ace6)
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]    Compiling tiff v0.3.1
[INFO] [stderr]    Compiling glfw v0.35.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling image v0.22.4
[INFO] [stderr]    Compiling imageeditor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `Action`, `Key`, `Modifiers`
[INFO] [stderr]  --> src/main.rs:3:21
[INFO] [stderr]   |
[INFO] [stderr] 3 | use glfw::{Context, Key, Action, Glfw, Window, WindowEvent, Modifiers};
[INFO] [stderr]   |                     ^^^  ^^^^^^                             ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `glfw::WindowEvent::MouseButton`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use glfw::WindowEvent::MouseButton;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `gl::types::*`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use gl::types::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DynamicImage`, `RgbaImage`
[INFO] [stderr]  --> src/main.rs:7:31
[INFO] [stderr]   |
[INFO] [stderr] 7 | use image::{GenericImageView, DynamicImage, RgbaImage};
[INFO] [stderr]   |                               ^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Matrix3`, `Matrix4`, `Matrix`, `SquareMatrix`, `Transform`
[INFO] [stderr]  --> src/main.rs:9:14
[INFO] [stderr]   |
[INFO] [stderr] 9 | use cgmath::{Matrix, Matrix4, Matrix3, Transform, SquareMatrix};
[INFO] [stderr]   |              ^^^^^^  ^^^^^^^  ^^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::rendering::prelude::*`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use crate::rendering::prelude::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::rendering::texture::Texture`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use crate::rendering::texture::Texture;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `CommandBuffer`, `Command`
[INFO] [stderr]   --> src/main.rs:17:29
[INFO] [stderr]    |
[INFO] [stderr] 17 | use crate::command_buffer::{CommandBuffer, Command};
[INFO] [stderr]    |                             ^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ImageOperation`
[INFO] [stderr]   --> src/program.rs:12:38
[INFO] [stderr]    |
[INFO] [stderr] 12 | use crate::editor::image_operation::{ImageOperation, ImageSource};
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ffi::CStr`
[INFO] [stderr]  --> src/rendering/texture_render.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ffi::CStr;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `WindowEvent`
[INFO] [stderr]  --> src/ui/button.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | use glfw::{WindowEvent, Action};
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/editor/image_operation.rs:85:39
[INFO] [stderr]    |
[INFO] [stderr] 85 |                         let image_x = (*start_x + x as i32);
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/editor/image_operation.rs:86:39
[INFO] [stderr]    |
[INFO] [stderr] 86 |                         let image_y = (*start_y + y as i32);
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `get_transformed_mouse_position`
[INFO] [stderr]  --> src/editor/draw_tools/line.rs:7:43
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::editor::draw_tools::{DrawTool, get_transformed_mouse_position};
[INFO] [stderr]   |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ImageOperationMarker`
[INFO] [stderr]  --> src/editor/draw_tools/line.rs:8:54
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::editor::image_operation::{ImageOperation, ImageOperationMarker};
[INFO] [stderr]   |                                                      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `get_transformed_mouse_position`
[INFO] [stderr]  --> src/editor/draw_tools/rectangle.rs:7:43
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::editor::draw_tools::{DrawTool, get_transformed_mouse_position, get_valid_rectangle};
[INFO] [stderr]   |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ImageOperationMarker`
[INFO] [stderr]  --> src/editor/draw_tools/rectangle.rs:8:54
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::editor::image_operation::{ImageOperation, ImageOperationMarker};
[INFO] [stderr]   |                                                      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `get_transformed_mouse_position`
[INFO] [stderr]  --> src/editor/draw_tools/selection.rs:7:43
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::editor::draw_tools::{DrawTool, get_transformed_mouse_position, get_valid_rectangle};
[INFO] [stderr]   |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ImageOperationMarker`
[INFO] [stderr]  --> src/editor/draw_tools/selection.rs:8:54
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::editor::image_operation::{ImageOperation, ImageOperationMarker, ImageSource};
[INFO] [stderr]   |                                                      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::editor::image::ImageUpdateOperation`
[INFO] [stderr]   --> src/editor/draw_tools/selection.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::editor::image::ImageUpdateOperation;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SquareMatrix`
[INFO] [stderr]  --> src/editor/draw_tools/effect.rs:4:23
[INFO] [stderr]   |
[INFO] [stderr] 4 | use cgmath::{Matrix3, SquareMatrix};
[INFO] [stderr]   |                       ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::editor::image::ImageUpdateOperation`
[INFO] [stderr]  --> src/editor/draw_tools/effect.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use crate::editor::image::ImageUpdateOperation;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ImageOperationSource`
[INFO] [stderr]   --> src/editor/draw_tools/effect.rs:11:54
[INFO] [stderr]    |
[INFO] [stderr] 11 | use crate::editor::image_operation::{ImageOperation, ImageOperationSource};
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::rendering::texture::Texture`
[INFO] [stderr]   --> src/editor/draw_tools/effect.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use crate::rendering::texture::Texture;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/editor/draw_tools/effect.rs:69:17
[INFO] [stderr]    |
[INFO] [stderr] 69 |                 (height as f32),
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `GenericImageView`
[INFO] [stderr]  --> src/main.rs:7:13
[INFO] [stderr]   |
[INFO] [stderr] 7 | use image::{GenericImageView, DynamicImage, RgbaImage};
[INFO] [stderr]   |             ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `itertools::Itertools`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use itertools::Itertools;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `GenericImageView`
[INFO] [stderr]  --> src/editor/image.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | use image::{GenericImageView, GenericImage, Rgba};
[INFO] [stderr]   |             ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `GenericImage`
[INFO] [stderr]  --> src/editor/image.rs:1:31
[INFO] [stderr]   |
[INFO] [stderr] 1 | use image::{GenericImageView, GenericImage, Rgba};
[INFO] [stderr]   |                               ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `undo_op`
[INFO] [stderr]   --> src/editor/editor.rs:29:22
[INFO] [stderr]    |
[INFO] [stderr] 29 |             let (op, undo_op) = &self.undo_stack[i];
[INFO] [stderr]    |                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_undo_op`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `x` is never read
[INFO] [stderr]   --> src/editor/image_operation_helpers.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let mut x = 0;
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `y` is never read
[INFO] [stderr]   --> src/editor/image_operation_helpers.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let mut y = 0;
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `end_x` is never read
[INFO] [stderr]   --> src/editor/image_operation_helpers.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let mut end_x = 0;
[INFO] [stderr]    |             ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `end_y` is never read
[INFO] [stderr]   --> src/editor/image_operation_helpers.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let mut end_y = 0;
[INFO] [stderr]    |             ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `marker`
[INFO] [stderr]    --> src/editor/image_operation.rs:224:36
[INFO] [stderr]     |
[INFO] [stderr] 224 |             ImageOperation::Marker(marker) => {
[INFO] [stderr]     |                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_marker`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `image`
[INFO] [stderr]   --> src/editor/draw_tools/pencil.rs:42:22
[INFO] [stderr]    |
[INFO] [stderr] 42 |                      image: &editor::Image) -> Option<ImageOperation> {
[INFO] [stderr]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_image`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `image`
[INFO] [stderr]   --> src/editor/draw_tools/pencil.rs:88:27
[INFO] [stderr]    |
[INFO] [stderr] 88 |     fn preview(&mut self, image: &editor::Image, preview_image: &mut editor::Image) -> bool {
[INFO] [stderr]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_image`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `preview_image`
[INFO] [stderr]   --> src/editor/draw_tools/pencil.rs:88:50
[INFO] [stderr]    |
[INFO] [stderr] 88 |     fn preview(&mut self, image: &editor::Image, preview_image: &mut editor::Image) -> bool {
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_preview_image`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `window`
[INFO] [stderr]   --> src/editor/draw_tools/line.rs:53:22
[INFO] [stderr]    |
[INFO] [stderr] 53 |                      window: &mut glfw::Window,
[INFO] [stderr]    |                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `image`
[INFO] [stderr]   --> src/editor/draw_tools/line.rs:56:22
[INFO] [stderr]    |
[INFO] [stderr] 56 |                      image: &editor::Image) -> Option<ImageOperation> {
[INFO] [stderr]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_image`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `image`
[INFO] [stderr]   --> src/editor/draw_tools/line.rs:86:27
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn preview(&mut self, image: &editor::Image, preview_image: &mut editor::Image) -> bool {
[INFO] [stderr]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_image`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `window`
[INFO] [stderr]   --> src/editor/draw_tools/rectangle.rs:63:22
[INFO] [stderr]    |
[INFO] [stderr] 63 |                      window: &mut glfw::Window,
[INFO] [stderr]    |                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `image`
[INFO] [stderr]   --> src/editor/draw_tools/rectangle.rs:66:22
[INFO] [stderr]    |
[INFO] [stderr] 66 |                      image: &editor::Image) -> Option<ImageOperation> {
[INFO] [stderr]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_image`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `image`
[INFO] [stderr]   --> src/editor/draw_tools/rectangle.rs:95:27
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn preview(&mut self, image: &editor::Image, preview_image: &mut editor::Image) -> bool {
[INFO] [stderr]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_image`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `command`
[INFO] [stderr]   --> src/editor/draw_tools/selection.rs:54:34
[INFO] [stderr]    |
[INFO] [stderr] 54 |     fn handle_command(&mut self, command: &Command) {
[INFO] [stderr]    |                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `window`
[INFO] [stderr]   --> src/editor/draw_tools/selection.rs:59:22
[INFO] [stderr]    |
[INFO] [stderr] 59 |                      window: &mut Window,
[INFO] [stderr]    |                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `image`
[INFO] [stderr]    --> src/editor/draw_tools/selection.rs:145:27
[INFO] [stderr]     |
[INFO] [stderr] 145 |     fn preview(&mut self, image: &editor::Image, preview_image: &mut editor::Image) -> bool {
[INFO] [stderr]     |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_image`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `window`
[INFO] [stderr]    --> src/editor/draw_tools/effect.rs:122:33
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn process_event(&mut self, window: &mut Window, event: &WindowEvent, transform: &Matrix3<f32>, image: &Image) -> Option<ImageOperation> {
[INFO] [stderr]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `transform`
[INFO] [stderr]    --> src/editor/draw_tools/effect.rs:122:75
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn process_event(&mut self, window: &mut Window, event: &WindowEvent, transform: &Matrix3<f32>, image: &Image) -> Option<ImageOperation> {
[INFO] [stderr]     |                                                                           ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_transform`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/rendering/texture.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let mut texture = Texture::new(image.width(), image.height(), 4);
[INFO] [stderr]    |             ----^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/editor/image.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 |         let mut texture = Texture::new(image.width(), image.height(), 4);
[INFO] [stderr]    |             ----^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Color`
[INFO] [stderr]  --> src/rendering/prelude.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub type Color = cgmath::Point3<u8>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `texture_width`
[INFO] [stderr]   --> src/rendering/font.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     texture_width: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `texture_height`
[INFO] [stderr]   --> src/rendering/font.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     texture_height: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `characters`
[INFO] [stderr]   --> src/rendering/font.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     characters: HashMap<char, FontCharacter>
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/rendering/font.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn new(filename: &str, size: u32, characters: &Vec<u32>) -> FontMap {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Font`
[INFO] [stderr]    --> src/rendering/font.rs:121:12
[INFO] [stderr]     |
[INFO] [stderr] 121 | pub struct Font {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/rendering/font.rs:130:12
[INFO] [stderr]     |
[INFO] [stderr] 130 |     pub fn new(filename: &str, size: u32) -> Font {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `texture_id`
[INFO] [stderr]    --> src/rendering/font.rs:149:12
[INFO] [stderr]     |
[INFO] [stderr] 149 |     pub fn texture_id(&self) -> u32 {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_only`
[INFO] [stderr]    --> src/rendering/font.rs:153:12
[INFO] [stderr]     |
[INFO] [stderr] 153 |     pub fn get_only(&self, character: char) -> Option<&FontCharacter> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get`
[INFO] [stderr]    --> src/rendering/font.rs:157:12
[INFO] [stderr]     |
[INFO] [stderr] 157 |     pub fn get(&mut self, character: char) -> Option<&FontCharacter> {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `line_height`
[INFO] [stderr]    --> src/rendering/font.rs:167:12
[INFO] [stderr]     |
[INFO] [stderr] 167 |     pub fn line_height(&self) -> f32 {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_bool`
[INFO] [stderr]    --> src/rendering/shader.rs:133:19
[INFO] [stderr]     |
[INFO] [stderr] 133 |     pub unsafe fn set_bool(&self, name: &CStr, value: bool) {
[INFO] [stderr]     |                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_int32`
[INFO] [stderr]    --> src/rendering/shader.rs:137:19
[INFO] [stderr]     |
[INFO] [stderr] 137 |     pub unsafe fn set_int32(&self, name: &CStr, value: i32) {
[INFO] [stderr]     |                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_float32`
[INFO] [stderr]    --> src/rendering/shader.rs:141:19
[INFO] [stderr]     |
[INFO] [stderr] 141 |     pub unsafe fn set_float32(&self, name: &CStr, value: f32) {
[INFO] [stderr]     |                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_vector2`
[INFO] [stderr]    --> src/rendering/shader.rs:145:19
[INFO] [stderr]     |
[INFO] [stderr] 145 |     pub unsafe fn set_vector2(&self, name: &CStr, x: f32, y: f32) {
[INFO] [stderr]     |                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_vector3`
[INFO] [stderr]    --> src/rendering/shader.rs:149:19
[INFO] [stderr]     |
[INFO] [stderr] 149 |     pub unsafe fn set_vector3(&self, name: &CStr, x: f32, y: f32, z: f32) {
[INFO] [stderr]     |                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `base_index`
[INFO] [stderr]   --> src/rendering/texture.rs:49:12
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn base_index(&self, x: u32, y: u32) -> usize {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `color_buffer_id`
[INFO] [stderr]    --> src/rendering/framebuffer.rs:110:12
[INFO] [stderr]     |
[INFO] [stderr] 110 |     pub fn color_buffer_id(&self) -> u32 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `adaptive_cols`
[INFO] [stderr]   --> src/ui/layout.rs:76:8
[INFO] [stderr]    |
[INFO] [stderr] 76 | pub fn adaptive_cols(origin: Position, cell_size: (f32, f32), row_height: f32, num_elements: usize) -> impl Iterator<Item=Position> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `raw_pixels`
[INFO] [stderr]   --> src/editor/image.rs:71:12
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn raw_pixels(&self) -> &[u8] {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_image`
[INFO] [stderr]   --> src/editor/image.rs:79:12
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn get_image(&self) -> &Image {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SetPixel`
[INFO] [stderr]   --> src/editor/image_operation.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     SetPixel { x: i32, y: i32, color: Color },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 73 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `"docker" "inspect" "cd11d59654419ae16c8ebc26abc65e4cb0d58fa860cb00a601655d96c65e18de"`
[INFO] running `"docker" "rm" "-f" "cd11d59654419ae16c8ebc26abc65e4cb0d58fa860cb00a601655d96c65e18de"`
[INFO] [stdout] cd11d59654419ae16c8ebc26abc65e4cb0d58fa860cb00a601655d96c65e18de
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4b301bd166608018a4c739394332a6319db98a67db11e599c57ab2d970a5b0f3
[INFO] running `"docker" "start" "-a" "4b301bd166608018a4c739394332a6319db98a67db11e599c57ab2d970a5b0f3"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling imageeditor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `Action`, `Key`, `Modifiers`
[INFO] [stderr]  --> src/main.rs:3:21
[INFO] [stderr]   |
[INFO] [stderr] 3 | use glfw::{Context, Key, Action, Glfw, Window, WindowEvent, Modifiers};
[INFO] [stderr]   |                     ^^^  ^^^^^^                             ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `glfw::WindowEvent::MouseButton`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use glfw::WindowEvent::MouseButton;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `gl::types::*`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use gl::types::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DynamicImage`, `RgbaImage`
[INFO] [stderr]  --> src/main.rs:7:31
[INFO] [stderr]   |
[INFO] [stderr] 7 | use image::{GenericImageView, DynamicImage, RgbaImage};
[INFO] [stderr]   |                               ^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Matrix3`, `Matrix4`, `Matrix`, `SquareMatrix`, `Transform`
[INFO] [stderr]  --> src/main.rs:9:14
[INFO] [stderr]   |
[INFO] [stderr] 9 | use cgmath::{Matrix, Matrix4, Matrix3, Transform, SquareMatrix};
[INFO] [stderr]   |              ^^^^^^  ^^^^^^^  ^^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::rendering::prelude::*`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use crate::rendering::prelude::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::rendering::texture::Texture`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use crate::rendering::texture::Texture;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `CommandBuffer`, `Command`
[INFO] [stderr]   --> src/main.rs:17:29
[INFO] [stderr]    |
[INFO] [stderr] 17 | use crate::command_buffer::{CommandBuffer, Command};
[INFO] [stderr]    |                             ^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ImageOperation`
[INFO] [stderr]   --> src/program.rs:12:38
[INFO] [stderr]    |
[INFO] [stderr] 12 | use crate::editor::image_operation::{ImageOperation, ImageSource};
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ffi::CStr`
[INFO] [stderr]  --> src/rendering/texture_render.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ffi::CStr;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `WindowEvent`
[INFO] [stderr]  --> src/ui/button.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | use glfw::{WindowEvent, Action};
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/editor/image_operation.rs:85:39
[INFO] [stderr]    |
[INFO] [stderr] 85 |                         let image_x = (*start_x + x as i32);
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/editor/image_operation.rs:86:39
[INFO] [stderr]    |
[INFO] [stderr] 86 |                         let image_y = (*start_y + y as i32);
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `get_transformed_mouse_position`
[INFO] [stderr]  --> src/editor/draw_tools/line.rs:7:43
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::editor::draw_tools::{DrawTool, get_transformed_mouse_position};
[INFO] [stderr]   |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ImageOperationMarker`
[INFO] [stderr]  --> src/editor/draw_tools/line.rs:8:54
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::editor::image_operation::{ImageOperation, ImageOperationMarker};
[INFO] [stderr]   |                                                      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `get_transformed_mouse_position`
[INFO] [stderr]  --> src/editor/draw_tools/rectangle.rs:7:43
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::editor::draw_tools::{DrawTool, get_transformed_mouse_position, get_valid_rectangle};
[INFO] [stderr]   |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ImageOperationMarker`
[INFO] [stderr]  --> src/editor/draw_tools/rectangle.rs:8:54
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::editor::image_operation::{ImageOperation, ImageOperationMarker};
[INFO] [stderr]   |                                                      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `get_transformed_mouse_position`
[INFO] [stderr]  --> src/editor/draw_tools/selection.rs:7:43
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::editor::draw_tools::{DrawTool, get_transformed_mouse_position, get_valid_rectangle};
[INFO] [stderr]   |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ImageOperationMarker`
[INFO] [stderr]  --> src/editor/draw_tools/selection.rs:8:54
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::editor::image_operation::{ImageOperation, ImageOperationMarker, ImageSource};
[INFO] [stderr]   |                                                      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::editor::image::ImageUpdateOperation`
[INFO] [stderr]   --> src/editor/draw_tools/selection.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::editor::image::ImageUpdateOperation;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SquareMatrix`
[INFO] [stderr]  --> src/editor/draw_tools/effect.rs:4:23
[INFO] [stderr]   |
[INFO] [stderr] 4 | use cgmath::{Matrix3, SquareMatrix};
[INFO] [stderr]   |                       ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::editor::image::ImageUpdateOperation`
[INFO] [stderr]  --> src/editor/draw_tools/effect.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use crate::editor::image::ImageUpdateOperation;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ImageOperationSource`
[INFO] [stderr]   --> src/editor/draw_tools/effect.rs:11:54
[INFO] [stderr]    |
[INFO] [stderr] 11 | use crate::editor::image_operation::{ImageOperation, ImageOperationSource};
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::rendering::texture::Texture`
[INFO] [stderr]   --> src/editor/draw_tools/effect.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use crate::rendering::texture::Texture;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/editor/draw_tools/effect.rs:69:17
[INFO] [stderr]    |
[INFO] [stderr] 69 |                 (height as f32),
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `GenericImageView`
[INFO] [stderr]  --> src/main.rs:7:13
[INFO] [stderr]   |
[INFO] [stderr] 7 | use image::{GenericImageView, DynamicImage, RgbaImage};
[INFO] [stderr]   |             ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `itertools::Itertools`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use itertools::Itertools;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `GenericImageView`
[INFO] [stderr]  --> src/editor/image.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | use image::{GenericImageView, GenericImage, Rgba};
[INFO] [stderr]   |             ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `GenericImage`
[INFO] [stderr]  --> src/editor/image.rs:1:31
[INFO] [stderr]   |
[INFO] [stderr] 1 | use image::{GenericImageView, GenericImage, Rgba};
[INFO] [stderr]   |                               ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `undo_op`
[INFO] [stderr]   --> src/editor/editor.rs:29:22
[INFO] [stderr]    |
[INFO] [stderr] 29 |             let (op, undo_op) = &self.undo_stack[i];
[INFO] [stderr]    |                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_undo_op`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `x` is never read
[INFO] [stderr]   --> src/editor/image_operation_helpers.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let mut x = 0;
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `y` is never read
[INFO] [stderr]   --> src/editor/image_operation_helpers.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let mut y = 0;
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `end_x` is never read
[INFO] [stderr]   --> src/editor/image_operation_helpers.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let mut end_x = 0;
[INFO] [stderr]    |             ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `end_y` is never read
[INFO] [stderr]   --> src/editor/image_operation_helpers.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let mut end_y = 0;
[INFO] [stderr]    |             ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `marker`
[INFO] [stderr]    --> src/editor/image_operation.rs:224:36
[INFO] [stderr]     |
[INFO] [stderr] 224 |             ImageOperation::Marker(marker) => {
[INFO] [stderr]     |                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_marker`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `image`
[INFO] [stderr]   --> src/editor/draw_tools/pencil.rs:42:22
[INFO] [stderr]    |
[INFO] [stderr] 42 |                      image: &editor::Image) -> Option<ImageOperation> {
[INFO] [stderr]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_image`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `image`
[INFO] [stderr]   --> src/editor/draw_tools/pencil.rs:88:27
[INFO] [stderr]    |
[INFO] [stderr] 88 |     fn preview(&mut self, image: &editor::Image, preview_image: &mut editor::Image) -> bool {
[INFO] [stderr]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_image`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `preview_image`
[INFO] [stderr]   --> src/editor/draw_tools/pencil.rs:88:50
[INFO] [stderr]    |
[INFO] [stderr] 88 |     fn preview(&mut self, image: &editor::Image, preview_image: &mut editor::Image) -> bool {
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_preview_image`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `window`
[INFO] [stderr]   --> src/editor/draw_tools/line.rs:53:22
[INFO] [stderr]    |
[INFO] [stderr] 53 |                      window: &mut glfw::Window,
[INFO] [stderr]    |                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `image`
[INFO] [stderr]   --> src/editor/draw_tools/line.rs:56:22
[INFO] [stderr]    |
[INFO] [stderr] 56 |                      image: &editor::Image) -> Option<ImageOperation> {
[INFO] [stderr]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_image`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `image`
[INFO] [stderr]   --> src/editor/draw_tools/line.rs:86:27
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn preview(&mut self, image: &editor::Image, preview_image: &mut editor::Image) -> bool {
[INFO] [stderr]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_image`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `window`
[INFO] [stderr]   --> src/editor/draw_tools/rectangle.rs:63:22
[INFO] [stderr]    |
[INFO] [stderr] 63 |                      window: &mut glfw::Window,
[INFO] [stderr]    |                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `image`
[INFO] [stderr]   --> src/editor/draw_tools/rectangle.rs:66:22
[INFO] [stderr]    |
[INFO] [stderr] 66 |                      image: &editor::Image) -> Option<ImageOperation> {
[INFO] [stderr]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_image`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `image`
[INFO] [stderr]   --> src/editor/draw_tools/rectangle.rs:95:27
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn preview(&mut self, image: &editor::Image, preview_image: &mut editor::Image) -> bool {
[INFO] [stderr]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_image`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `command`
[INFO] [stderr]   --> src/editor/draw_tools/selection.rs:54:34
[INFO] [stderr]    |
[INFO] [stderr] 54 |     fn handle_command(&mut self, command: &Command) {
[INFO] [stderr]    |                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `window`
[INFO] [stderr]   --> src/editor/draw_tools/selection.rs:59:22
[INFO] [stderr]    |
[INFO] [stderr] 59 |                      window: &mut Window,
[INFO] [stderr]    |                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `image`
[INFO] [stderr]    --> src/editor/draw_tools/selection.rs:145:27
[INFO] [stderr]     |
[INFO] [stderr] 145 |     fn preview(&mut self, image: &editor::Image, preview_image: &mut editor::Image) -> bool {
[INFO] [stderr]     |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_image`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `window`
[INFO] [stderr]    --> src/editor/draw_tools/effect.rs:122:33
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn process_event(&mut self, window: &mut Window, event: &WindowEvent, transform: &Matrix3<f32>, image: &Image) -> Option<ImageOperation> {
[INFO] [stderr]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `transform`
[INFO] [stderr]    --> src/editor/draw_tools/effect.rs:122:75
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn process_event(&mut self, window: &mut Window, event: &WindowEvent, transform: &Matrix3<f32>, image: &Image) -> Option<ImageOperation> {
[INFO] [stderr]     |                                                                           ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_transform`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/rendering/texture.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let mut texture = Texture::new(image.width(), image.height(), 4);
[INFO] [stderr]    |             ----^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/editor/image.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 |         let mut texture = Texture::new(image.width(), image.height(), 4);
[INFO] [stderr]    |             ----^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Color`
[INFO] [stderr]  --> src/rendering/prelude.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub type Color = cgmath::Point3<u8>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `texture_width`
[INFO] [stderr]   --> src/rendering/font.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     texture_width: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `texture_height`
[INFO] [stderr]   --> src/rendering/font.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     texture_height: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `characters`
[INFO] [stderr]   --> src/rendering/font.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     characters: HashMap<char, FontCharacter>
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/rendering/font.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn new(filename: &str, size: u32, characters: &Vec<u32>) -> FontMap {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Font`
[INFO] [stderr]    --> src/rendering/font.rs:121:12
[INFO] [stderr]     |
[INFO] [stderr] 121 | pub struct Font {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/rendering/font.rs:130:12
[INFO] [stderr]     |
[INFO] [stderr] 130 |     pub fn new(filename: &str, size: u32) -> Font {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `texture_id`
[INFO] [stderr]    --> src/rendering/font.rs:149:12
[INFO] [stderr]     |
[INFO] [stderr] 149 |     pub fn texture_id(&self) -> u32 {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_only`
[INFO] [stderr]    --> src/rendering/font.rs:153:12
[INFO] [stderr]     |
[INFO] [stderr] 153 |     pub fn get_only(&self, character: char) -> Option<&FontCharacter> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get`
[INFO] [stderr]    --> src/rendering/font.rs:157:12
[INFO] [stderr]     |
[INFO] [stderr] 157 |     pub fn get(&mut self, character: char) -> Option<&FontCharacter> {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `line_height`
[INFO] [stderr]    --> src/rendering/font.rs:167:12
[INFO] [stderr]     |
[INFO] [stderr] 167 |     pub fn line_height(&self) -> f32 {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_bool`
[INFO] [stderr]    --> src/rendering/shader.rs:133:19
[INFO] [stderr]     |
[INFO] [stderr] 133 |     pub unsafe fn set_bool(&self, name: &CStr, value: bool) {
[INFO] [stderr]     |                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_int32`
[INFO] [stderr]    --> src/rendering/shader.rs:137:19
[INFO] [stderr]     |
[INFO] [stderr] 137 |     pub unsafe fn set_int32(&self, name: &CStr, value: i32) {
[INFO] [stderr]     |                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_float32`
[INFO] [stderr]    --> src/rendering/shader.rs:141:19
[INFO] [stderr]     |
[INFO] [stderr] 141 |     pub unsafe fn set_float32(&self, name: &CStr, value: f32) {
[INFO] [stderr]     |                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_vector2`
[INFO] [stderr]    --> src/rendering/shader.rs:145:19
[INFO] [stderr]     |
[INFO] [stderr] 145 |     pub unsafe fn set_vector2(&self, name: &CStr, x: f32, y: f32) {
[INFO] [stderr]     |                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_vector3`
[INFO] [stderr]    --> src/rendering/shader.rs:149:19
[INFO] [stderr]     |
[INFO] [stderr] 149 |     pub unsafe fn set_vector3(&self, name: &CStr, x: f32, y: f32, z: f32) {
[INFO] [stderr]     |                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `base_index`
[INFO] [stderr]   --> src/rendering/texture.rs:49:12
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn base_index(&self, x: u32, y: u32) -> usize {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `color_buffer_id`
[INFO] [stderr]    --> src/rendering/framebuffer.rs:110:12
[INFO] [stderr]     |
[INFO] [stderr] 110 |     pub fn color_buffer_id(&self) -> u32 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `adaptive_cols`
[INFO] [stderr]   --> src/ui/layout.rs:76:8
[INFO] [stderr]    |
[INFO] [stderr] 76 | pub fn adaptive_cols(origin: Position, cell_size: (f32, f32), row_height: f32, num_elements: usize) -> impl Iterator<Item=Position> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `raw_pixels`
[INFO] [stderr]   --> src/editor/image.rs:71:12
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn raw_pixels(&self) -> &[u8] {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_image`
[INFO] [stderr]   --> src/editor/image.rs:79:12
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn get_image(&self) -> &Image {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SetPixel`
[INFO] [stderr]   --> src/editor/image_operation.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     SetPixel { x: i32, y: i32, color: Color },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 73 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `"docker" "inspect" "4b301bd166608018a4c739394332a6319db98a67db11e599c57ab2d970a5b0f3"`
[INFO] running `"docker" "rm" "-f" "4b301bd166608018a4c739394332a6319db98a67db11e599c57ab2d970a5b0f3"`
[INFO] [stdout] 4b301bd166608018a4c739394332a6319db98a67db11e599c57ab2d970a5b0f3
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7fe0164043105c5910b403cab9be87de6a2814ecc6d5bf9e76a7d83fbbdcdef6
[INFO] running `"docker" "start" "-a" "7fe0164043105c5910b403cab9be87de6a2814ecc6d5bf9e76a7d83fbbdcdef6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused imports: `Action`, `Key`, `Modifiers`
[INFO] [stderr]  --> src/main.rs:3:21
[INFO] [stderr]   |
[INFO] [stderr] 3 | use glfw::{Context, Key, Action, Glfw, Window, WindowEvent, Modifiers};
[INFO] [stderr]   |                     ^^^  ^^^^^^                             ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `glfw::WindowEvent::MouseButton`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use glfw::WindowEvent::MouseButton;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `gl::types::*`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use gl::types::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DynamicImage`, `RgbaImage`
[INFO] [stderr]  --> src/main.rs:7:31
[INFO] [stderr]   |
[INFO] [stderr] 7 | use image::{GenericImageView, DynamicImage, RgbaImage};
[INFO] [stderr]   |                               ^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Matrix3`, `Matrix4`, `Matrix`, `SquareMatrix`, `Transform`
[INFO] [stderr]  --> src/main.rs:9:14
[INFO] [stderr]   |
[INFO] [stderr] 9 | use cgmath::{Matrix, Matrix4, Matrix3, Transform, SquareMatrix};
[INFO] [stderr]   |              ^^^^^^  ^^^^^^^  ^^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::rendering::prelude::*`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use crate::rendering::prelude::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::rendering::texture::Texture`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use crate::rendering::texture::Texture;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `CommandBuffer`, `Command`
[INFO] [stderr]   --> src/main.rs:17:29
[INFO] [stderr]    |
[INFO] [stderr] 17 | use crate::command_buffer::{CommandBuffer, Command};
[INFO] [stderr]    |                             ^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ImageOperation`
[INFO] [stderr]   --> src/program.rs:12:38
[INFO] [stderr]    |
[INFO] [stderr] 12 | use crate::editor::image_operation::{ImageOperation, ImageSource};
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ffi::CStr`
[INFO] [stderr]  --> src/rendering/texture_render.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ffi::CStr;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `WindowEvent`
[INFO] [stderr]  --> src/ui/button.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | use glfw::{WindowEvent, Action};
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/editor/image_operation.rs:85:39
[INFO] [stderr]    |
[INFO] [stderr] 85 |                         let image_x = (*start_x + x as i32);
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/editor/image_operation.rs:86:39
[INFO] [stderr]    |
[INFO] [stderr] 86 |                         let image_y = (*start_y + y as i32);
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `get_transformed_mouse_position`
[INFO] [stderr]  --> src/editor/draw_tools/line.rs:7:43
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::editor::draw_tools::{DrawTool, get_transformed_mouse_position};
[INFO] [stderr]   |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ImageOperationMarker`
[INFO] [stderr]  --> src/editor/draw_tools/line.rs:8:54
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::editor::image_operation::{ImageOperation, ImageOperationMarker};
[INFO] [stderr]   |                                                      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `get_transformed_mouse_position`
[INFO] [stderr]  --> src/editor/draw_tools/rectangle.rs:7:43
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::editor::draw_tools::{DrawTool, get_transformed_mouse_position, get_valid_rectangle};
[INFO] [stderr]   |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ImageOperationMarker`
[INFO] [stderr]  --> src/editor/draw_tools/rectangle.rs:8:54
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::editor::image_operation::{ImageOperation, ImageOperationMarker};
[INFO] [stderr]   |                                                      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `get_transformed_mouse_position`
[INFO] [stderr]  --> src/editor/draw_tools/selection.rs:7:43
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::editor::draw_tools::{DrawTool, get_transformed_mouse_position, get_valid_rectangle};
[INFO] [stderr]   |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ImageOperationMarker`
[INFO] [stderr]  --> src/editor/draw_tools/selection.rs:8:54
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::editor::image_operation::{ImageOperation, ImageOperationMarker, ImageSource};
[INFO] [stderr]   |                                                      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::editor::image::ImageUpdateOperation`
[INFO] [stderr]   --> src/editor/draw_tools/selection.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::editor::image::ImageUpdateOperation;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SquareMatrix`
[INFO] [stderr]  --> src/editor/draw_tools/effect.rs:4:23
[INFO] [stderr]   |
[INFO] [stderr] 4 | use cgmath::{Matrix3, SquareMatrix};
[INFO] [stderr]   |                       ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::editor::image::ImageUpdateOperation`
[INFO] [stderr]  --> src/editor/draw_tools/effect.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use crate::editor::image::ImageUpdateOperation;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ImageOperationSource`
[INFO] [stderr]   --> src/editor/draw_tools/effect.rs:11:54
[INFO] [stderr]    |
[INFO] [stderr] 11 | use crate::editor::image_operation::{ImageOperation, ImageOperationSource};
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::rendering::texture::Texture`
[INFO] [stderr]   --> src/editor/draw_tools/effect.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use crate::rendering::texture::Texture;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/editor/draw_tools/effect.rs:69:17
[INFO] [stderr]    |
[INFO] [stderr] 69 |                 (height as f32),
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `GenericImageView`
[INFO] [stderr]  --> src/main.rs:7:13
[INFO] [stderr]   |
[INFO] [stderr] 7 | use image::{GenericImageView, DynamicImage, RgbaImage};
[INFO] [stderr]   |             ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `itertools::Itertools`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use itertools::Itertools;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `GenericImageView`
[INFO] [stderr]  --> src/editor/image.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | use image::{GenericImageView, GenericImage, Rgba};
[INFO] [stderr]   |             ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `GenericImage`
[INFO] [stderr]  --> src/editor/image.rs:1:31
[INFO] [stderr]   |
[INFO] [stderr] 1 | use image::{GenericImageView, GenericImage, Rgba};
[INFO] [stderr]   |                               ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `undo_op`
[INFO] [stderr]   --> src/editor/editor.rs:29:22
[INFO] [stderr]    |
[INFO] [stderr] 29 |             let (op, undo_op) = &self.undo_stack[i];
[INFO] [stderr]    |                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_undo_op`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `x` is never read
[INFO] [stderr]   --> src/editor/image_operation_helpers.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let mut x = 0;
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `y` is never read
[INFO] [stderr]   --> src/editor/image_operation_helpers.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let mut y = 0;
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `end_x` is never read
[INFO] [stderr]   --> src/editor/image_operation_helpers.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let mut end_x = 0;
[INFO] [stderr]    |             ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `end_y` is never read
[INFO] [stderr]   --> src/editor/image_operation_helpers.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let mut end_y = 0;
[INFO] [stderr]    |             ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `marker`
[INFO] [stderr]    --> src/editor/image_operation.rs:224:36
[INFO] [stderr]     |
[INFO] [stderr] 224 |             ImageOperation::Marker(marker) => {
[INFO] [stderr]     |                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_marker`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `image`
[INFO] [stderr]   --> src/editor/draw_tools/pencil.rs:42:22
[INFO] [stderr]    |
[INFO] [stderr] 42 |                      image: &editor::Image) -> Option<ImageOperation> {
[INFO] [stderr]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_image`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `image`
[INFO] [stderr]   --> src/editor/draw_tools/pencil.rs:88:27
[INFO] [stderr]    |
[INFO] [stderr] 88 |     fn preview(&mut self, image: &editor::Image, preview_image: &mut editor::Image) -> bool {
[INFO] [stderr]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_image`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `preview_image`
[INFO] [stderr]   --> src/editor/draw_tools/pencil.rs:88:50
[INFO] [stderr]    |
[INFO] [stderr] 88 |     fn preview(&mut self, image: &editor::Image, preview_image: &mut editor::Image) -> bool {
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_preview_image`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `window`
[INFO] [stderr]   --> src/editor/draw_tools/line.rs:53:22
[INFO] [stderr]    |
[INFO] [stderr] 53 |                      window: &mut glfw::Window,
[INFO] [stderr]    |                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `image`
[INFO] [stderr]   --> src/editor/draw_tools/line.rs:56:22
[INFO] [stderr]    |
[INFO] [stderr] 56 |                      image: &editor::Image) -> Option<ImageOperation> {
[INFO] [stderr]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_image`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `image`
[INFO] [stderr]   --> src/editor/draw_tools/line.rs:86:27
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn preview(&mut self, image: &editor::Image, preview_image: &mut editor::Image) -> bool {
[INFO] [stderr]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_image`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `window`
[INFO] [stderr]   --> src/editor/draw_tools/rectangle.rs:63:22
[INFO] [stderr]    |
[INFO] [stderr] 63 |                      window: &mut glfw::Window,
[INFO] [stderr]    |                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `image`
[INFO] [stderr]   --> src/editor/draw_tools/rectangle.rs:66:22
[INFO] [stderr]    |
[INFO] [stderr] 66 |                      image: &editor::Image) -> Option<ImageOperation> {
[INFO] [stderr]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_image`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `image`
[INFO] [stderr]   --> src/editor/draw_tools/rectangle.rs:95:27
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn preview(&mut self, image: &editor::Image, preview_image: &mut editor::Image) -> bool {
[INFO] [stderr]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_image`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `command`
[INFO] [stderr]   --> src/editor/draw_tools/selection.rs:54:34
[INFO] [stderr]    |
[INFO] [stderr] 54 |     fn handle_command(&mut self, command: &Command) {
[INFO] [stderr]    |                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `window`
[INFO] [stderr]   --> src/editor/draw_tools/selection.rs:59:22
[INFO] [stderr]    |
[INFO] [stderr] 59 |                      window: &mut Window,
[INFO] [stderr]    |                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `image`
[INFO] [stderr]    --> src/editor/draw_tools/selection.rs:145:27
[INFO] [stderr]     |
[INFO] [stderr] 145 |     fn preview(&mut self, image: &editor::Image, preview_image: &mut editor::Image) -> bool {
[INFO] [stderr]     |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_image`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `window`
[INFO] [stderr]    --> src/editor/draw_tools/effect.rs:122:33
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn process_event(&mut self, window: &mut Window, event: &WindowEvent, transform: &Matrix3<f32>, image: &Image) -> Option<ImageOperation> {
[INFO] [stderr]     |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `transform`
[INFO] [stderr]    --> src/editor/draw_tools/effect.rs:122:75
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn process_event(&mut self, window: &mut Window, event: &WindowEvent, transform: &Matrix3<f32>, image: &Image) -> Option<ImageOperation> {
[INFO] [stderr]     |                                                                           ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_transform`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/rendering/texture.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let mut texture = Texture::new(image.width(), image.height(), 4);
[INFO] [stderr]    |             ----^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/editor/image.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 |         let mut texture = Texture::new(image.width(), image.height(), 4);
[INFO] [stderr]    |             ----^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Color`
[INFO] [stderr]  --> src/rendering/prelude.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub type Color = cgmath::Point3<u8>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `texture_width`
[INFO] [stderr]   --> src/rendering/font.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     texture_width: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `texture_height`
[INFO] [stderr]   --> src/rendering/font.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     texture_height: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `characters`
[INFO] [stderr]   --> src/rendering/font.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     characters: HashMap<char, FontCharacter>
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/rendering/font.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn new(filename: &str, size: u32, characters: &Vec<u32>) -> FontMap {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Font`
[INFO] [stderr]    --> src/rendering/font.rs:121:12
[INFO] [stderr]     |
[INFO] [stderr] 121 | pub struct Font {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/rendering/font.rs:130:12
[INFO] [stderr]     |
[INFO] [stderr] 130 |     pub fn new(filename: &str, size: u32) -> Font {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `texture_id`
[INFO] [stderr]    --> src/rendering/font.rs:149:12
[INFO] [stderr]     |
[INFO] [stderr] 149 |     pub fn texture_id(&self) -> u32 {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_only`
[INFO] [stderr]    --> src/rendering/font.rs:153:12
[INFO] [stderr]     |
[INFO] [stderr] 153 |     pub fn get_only(&self, character: char) -> Option<&FontCharacter> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get`
[INFO] [stderr]    --> src/rendering/font.rs:157:12
[INFO] [stderr]     |
[INFO] [stderr] 157 |     pub fn get(&mut self, character: char) -> Option<&FontCharacter> {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `line_height`
[INFO] [stderr]    --> src/rendering/font.rs:167:12
[INFO] [stderr]     |
[INFO] [stderr] 167 |     pub fn line_height(&self) -> f32 {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_bool`
[INFO] [stderr]    --> src/rendering/shader.rs:133:19
[INFO] [stderr]     |
[INFO] [stderr] 133 |     pub unsafe fn set_bool(&self, name: &CStr, value: bool) {
[INFO] [stderr]     |                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_int32`
[INFO] [stderr]    --> src/rendering/shader.rs:137:19
[INFO] [stderr]     |
[INFO] [stderr] 137 |     pub unsafe fn set_int32(&self, name: &CStr, value: i32) {
[INFO] [stderr]     |                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_float32`
[INFO] [stderr]    --> src/rendering/shader.rs:141:19
[INFO] [stderr]     |
[INFO] [stderr] 141 |     pub unsafe fn set_float32(&self, name: &CStr, value: f32) {
[INFO] [stderr]     |                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_vector2`
[INFO] [stderr]    --> src/rendering/shader.rs:145:19
[INFO] [stderr]     |
[INFO] [stderr] 145 |     pub unsafe fn set_vector2(&self, name: &CStr, x: f32, y: f32) {
[INFO] [stderr]     |                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_vector3`
[INFO] [stderr]    --> src/rendering/shader.rs:149:19
[INFO] [stderr]     |
[INFO] [stderr] 149 |     pub unsafe fn set_vector3(&self, name: &CStr, x: f32, y: f32, z: f32) {
[INFO] [stderr]     |                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `base_index`
[INFO] [stderr]   --> src/rendering/texture.rs:49:12
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn base_index(&self, x: u32, y: u32) -> usize {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `color_buffer_id`
[INFO] [stderr]    --> src/rendering/framebuffer.rs:110:12
[INFO] [stderr]     |
[INFO] [stderr] 110 |     pub fn color_buffer_id(&self) -> u32 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `adaptive_cols`
[INFO] [stderr]   --> src/ui/layout.rs:76:8
[INFO] [stderr]    |
[INFO] [stderr] 76 | pub fn adaptive_cols(origin: Position, cell_size: (f32, f32), row_height: f32, num_elements: usize) -> impl Iterator<Item=Position> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `raw_pixels`
[INFO] [stderr]   --> src/editor/image.rs:71:12
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn raw_pixels(&self) -> &[u8] {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_image`
[INFO] [stderr]   --> src/editor/image.rs:79:12
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn get_image(&self) -> &Image {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SetPixel`
[INFO] [stderr]   --> src/editor/image_operation.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     SetPixel { x: i32, y: i32, color: Color },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 73 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/imageeditor-9b837fa2f988afa2
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "7fe0164043105c5910b403cab9be87de6a2814ecc6d5bf9e76a7d83fbbdcdef6"`
[INFO] running `"docker" "rm" "-f" "7fe0164043105c5910b403cab9be87de6a2814ecc6d5bf9e76a7d83fbbdcdef6"`
[INFO] [stdout] 7fe0164043105c5910b403cab9be87de6a2814ecc6d5bf9e76a7d83fbbdcdef6