[INFO] cloning repository https://github.com/ojunedi/SmartSize
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ojunedi/SmartSize" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fojunedi%2FSmartSize", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fojunedi%2FSmartSize'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f37c08afe6f6c99cee0ca3140176317408ef5651
[INFO] checking ojunedi/SmartSize against try#5fee451ebd94296ea05214e819c311e164b30af6 for pr-139042
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fojunedi%2FSmartSize" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ojunedi/SmartSize on toolchain 5fee451ebd94296ea05214e819c311e164b30af6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ojunedi/SmartSize
[INFO] finished tweaking git repo https://github.com/ojunedi/SmartSize
[INFO] tweaked toml for git repo https://github.com/ojunedi/SmartSize written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ojunedi/SmartSize 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" "+5fee451ebd94296ea05214e819c311e164b30af6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa4495a89096eaa90399d6f8d0cb5de16440e841c84f2244cc354976d43f1a50
[INFO] running `Command { std: "docker" "start" "-a" "aa4495a89096eaa90399d6f8d0cb5de16440e841c84f2244cc354976d43f1a50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa4495a89096eaa90399d6f8d0cb5de16440e841c84f2244cc354976d43f1a50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa4495a89096eaa90399d6f8d0cb5de16440e841c84f2244cc354976d43f1a50", kill_on_drop: false }`
[INFO] [stdout] aa4495a89096eaa90399d6f8d0cb5de16440e841c84f2244cc354976d43f1a50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52e10f3d5f7657b1b802079cc9e926c8e327777d00196f1d6c15e9de9da7af20
[INFO] running `Command { std: "docker" "start" "-a" "52e10f3d5f7657b1b802079cc9e926c8e327777d00196f1d6c15e9de9da7af20", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.99
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling psm v0.1.21
[INFO] [stderr]    Compiling stacker v0.1.15
[INFO] [stderr]     Checking cv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BufReader`
[INFO] [stdout]  --> src/image.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{self, BufReader};
[INFO] [stdout]   |                     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/image.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/image.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/image.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/image.rs:134:28
[INFO] [stdout]     |
[INFO] [stdout] 134 |         *matrix::matrix_at((&mut img.red_channel), row, column) = color.r;
[INFO] [stdout]     |                            ^                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 134 -         *matrix::matrix_at((&mut img.red_channel), row, column) = color.r;
[INFO] [stdout] 134 +         *matrix::matrix_at(&mut img.red_channel, row, column) = color.r;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/image.rs:135:28
[INFO] [stdout]     |
[INFO] [stdout] 135 |         *matrix::matrix_at((&mut img.green_channel), row, column) = color.g;
[INFO] [stdout]     |                            ^                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 135 -         *matrix::matrix_at((&mut img.green_channel), row, column) = color.g;
[INFO] [stdout] 135 +         *matrix::matrix_at(&mut img.green_channel, row, column) = color.g;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/image.rs:136:28
[INFO] [stdout]     |
[INFO] [stdout] 136 |         *matrix::matrix_at((&mut img.blue_channel), row, column) = color.b;
[INFO] [stdout]     |                            ^                     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 136 -         *matrix::matrix_at((&mut img.blue_channel), row, column) = color.b;
[INFO] [stdout] 136 +         *matrix::matrix_at(&mut img.blue_channel, row, column) = color.b;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]  --> src/processing.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::cmp;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `alloc` and `dealloc`
[INFO] [stdout]  --> src/processing.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::alloc::{dealloc, alloc, Layout};
[INFO] [stdout]   |                  ^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/processing.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/processing.rs:158:24
[INFO] [stdout]     |
[INFO] [stdout] 158 |             for col in (0..width - 1) {
[INFO] [stdout]     |                        ^            ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 158 -             for col in (0..width - 1) {
[INFO] [stdout] 158 +             for col in 0..width - 1 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]    --> src/processing.rs:184:11
[INFO] [stdout]     |
[INFO] [stdout] 184 |     while (image::image_width(img) > newWidth) {
[INFO] [stdout]     |           ^                                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 184 -     while (image::image_width(img) > newWidth) {
[INFO] [stdout] 184 +     while image::image_width(img) > newWidth {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Layout`, `alloc`, and `dealloc`
[INFO] [stdout]  --> src/main.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::alloc::{alloc, dealloc, Layout};
[INFO] [stdout]   |                  ^^^^^  ^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ptr::NonNull`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ptr::NonNull;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufReader`
[INFO] [stdout]  --> src/image.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{self, BufReader};
[INFO] [stdout]   |                     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/image.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/image.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/image.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/image.rs:134:28
[INFO] [stdout]     |
[INFO] [stdout] 134 |         *matrix::matrix_at((&mut img.red_channel), row, column) = color.r;
[INFO] [stdout]     |                            ^                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 134 -         *matrix::matrix_at((&mut img.red_channel), row, column) = color.r;
[INFO] [stdout] 134 +         *matrix::matrix_at(&mut img.red_channel, row, column) = color.r;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/image.rs:135:28
[INFO] [stdout]     |
[INFO] [stdout] 135 |         *matrix::matrix_at((&mut img.green_channel), row, column) = color.g;
[INFO] [stdout]     |                            ^                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 135 -         *matrix::matrix_at((&mut img.green_channel), row, column) = color.g;
[INFO] [stdout] 135 +         *matrix::matrix_at(&mut img.green_channel, row, column) = color.g;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/image.rs:136:28
[INFO] [stdout]     |
[INFO] [stdout] 136 |         *matrix::matrix_at((&mut img.blue_channel), row, column) = color.b;
[INFO] [stdout]     |                            ^                     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 136 -         *matrix::matrix_at((&mut img.blue_channel), row, column) = color.b;
[INFO] [stdout] 136 +         *matrix::matrix_at(&mut img.blue_channel, row, column) = color.b;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]  --> src/processing.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::cmp;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `alloc` and `dealloc`
[INFO] [stdout]  --> src/processing.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::alloc::{dealloc, alloc, Layout};
[INFO] [stdout]   |                  ^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/processing.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/processing.rs:158:24
[INFO] [stdout]     |
[INFO] [stdout] 158 |             for col in (0..width - 1) {
[INFO] [stdout]     |                        ^            ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 158 -             for col in (0..width - 1) {
[INFO] [stdout] 158 +             for col in 0..width - 1 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]    --> src/processing.rs:184:11
[INFO] [stdout]     |
[INFO] [stdout] 184 |     while (image::image_width(img) > newWidth) {
[INFO] [stdout]     |           ^                                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 184 -     while (image::image_width(img) > newWidth) {
[INFO] [stdout] 184 +     while image::image_width(img) > newWidth {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Layout`, `alloc`, and `dealloc`
[INFO] [stdout]  --> src/main.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::alloc::{alloc, dealloc, Layout};
[INFO] [stdout]   |                  ^^^^^  ^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ptr::NonNull`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ptr::NonNull;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/matrix.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     unsafe {
[INFO] [stdout]    |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/matrix.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     unsafe {
[INFO] [stdout]    |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/matrix.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 121 |     unsafe {
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/image.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         unsafe {
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/image.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         unsafe {
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/image.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 109 |     unsafe {
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/image.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 |     unsafe {
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/image.rs:154:9
[INFO] [stdout]     |
[INFO] [stdout] 154 |     let mut img = Image::default();
[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: value assigned to `min_col` is never read
[INFO] [stdout]    --> src/processing.rs:102:29
[INFO] [stdout]     |
[INFO] [stdout] 102 |                     let mut min_col: i32 = 0;
[INFO] [stdout]     |                             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layout`
[INFO] [stdout]    --> src/processing.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |     let layout = Layout::new::<image::Image>();
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/processing.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 147 |     unsafe {
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layout`
[INFO] [stdout]    --> src/processing.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |     let layout = Layout::new::<Matrix>();
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `energy`
[INFO] [stdout]   --> src/main.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut energy: Box<matrix::Matrix> = Box::new(matrix::Matrix::default());
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_energy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cost`
[INFO] [stdout]   --> src/main.rs:39:15
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let mut   cost: Box<matrix::Matrix> = Box::new(matrix::Matrix::default());
[INFO] [stdout]    |               ^^^^ help: if this is intentional, prefix it with an underscore: `_cost`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut energy: Box<matrix::Matrix> = Box::new(matrix::Matrix::default());
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let mut   cost: Box<matrix::Matrix> = Box::new(matrix::Matrix::default());
[INFO] [stdout]    |         ------^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `output_file`, `desired_width`, and `desired_height` are never read
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Config<'a> {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 12 |     input_file: &'a str,
[INFO] [stdout] 13 |     output_file: &'a str,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 14 |     desired_width: i32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 15 |     desired_height: i32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]    --> src/matrix.rs:157:4
[INFO] [stdout]     |
[INFO] [stdout] 157 | fn main() {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_INTENSITY` is never used
[INFO] [stdout]   --> src/image.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const MAX_INTENSITY: i32 = 255;
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/matrix.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     unsafe {
[INFO] [stdout]    |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/matrix.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     unsafe {
[INFO] [stdout]    |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     image::image_init_with_stream(&mut img, image_config);
[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] 40 |     let _ = image::image_init_with_stream(&mut img, image_config);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     image::image_print(&mut img, &mut file);
[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] 45 |     let _ = image::image_print(&mut img, &mut file);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/matrix.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 121 |     unsafe {
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/image.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 |     writer.write_all(height_width.as_bytes());
[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] 94 |     let _ = writer.write_all(height_width.as_bytes());
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/image.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 96 |     writer.write_all(b"255\n");
[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] 96 |     let _ = writer.write_all(b"255\n");
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/image.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         unsafe {
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/image.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout] 101 |            writer.write_all(line.as_bytes());
[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] 101 |            let _ = writer.write_all(line.as_bytes());
[INFO] [stdout]     |            +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/image.rs:103:8
[INFO] [stdout]     |
[INFO] [stdout] 103 |        writer.write_all(b"\n");
[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] 103 |        let _ = writer.write_all(b"\n");
[INFO] [stdout]     |        +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]   --> src/processing.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |             let N = &image::image_get_pixel(img, row - 1, col);
[INFO] [stdout]    |                 ^ help: convert the identifier to snake case: `n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `S` should have a snake case name
[INFO] [stdout]   --> src/processing.rs:75:17
[INFO] [stdout]    |
[INFO] [stdout] 75 |             let S = &image::image_get_pixel(img, row + 1, col);
[INFO] [stdout]    |                 ^ help: convert the identifier to snake case (notice the capitalization): `s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `E` should have a snake case name
[INFO] [stdout]   --> src/processing.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |             let E = &image::image_get_pixel(img, row, col + 1);
[INFO] [stdout]    |                 ^ help: convert the identifier to snake case: `e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `W` should have a snake case name
[INFO] [stdout]   --> src/processing.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |             let W = &image::image_get_pixel(img, row, col - 1);
[INFO] [stdout]    |                 ^ help: convert the identifier to snake case (notice the capitalization): `w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/image.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         unsafe {
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `newWidth` should have a snake case name
[INFO] [stdout]    --> src/processing.rs:177:47
[INFO] [stdout]     |
[INFO] [stdout] 177 | pub fn seam_carve_width(img: &mut Box<Image>, newWidth: i32) {
[INFO] [stdout]     |                                               ^^^^^^^^ help: convert the identifier to snake case: `new_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `newHeight` should have a snake case name
[INFO] [stdout]    --> src/processing.rs:193:48
[INFO] [stdout]     |
[INFO] [stdout] 193 | pub fn seam_carve_height(img: &mut Box<Image>, newHeight: i32) {
[INFO] [stdout]     |                                                ^^^^^^^^^ help: convert the identifier to snake case: `new_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `newWidth` should have a snake case name
[INFO] [stdout]    --> src/processing.rs:200:41
[INFO] [stdout]     |
[INFO] [stdout] 200 | pub fn seam_carve(img: &mut Box<Image>, newWidth: i32, newHeight: i32) {
[INFO] [stdout]     |                                         ^^^^^^^^ help: convert the identifier to snake case: `new_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `newHeight` should have a snake case name
[INFO] [stdout]    --> src/processing.rs:200:56
[INFO] [stdout]     |
[INFO] [stdout] 200 | pub fn seam_carve(img: &mut Box<Image>, newWidth: i32, newHeight: i32) {
[INFO] [stdout]     |                                                        ^^^^^^^^^ help: convert the identifier to snake case: `new_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/image.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 109 |     unsafe {
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/image.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 |     unsafe {
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/image.rs:154:9
[INFO] [stdout]     |
[INFO] [stdout] 154 |     let mut img = Image::default();
[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: value assigned to `min_col` is never read
[INFO] [stdout]    --> src/processing.rs:102:29
[INFO] [stdout]     |
[INFO] [stdout] 102 |                     let mut min_col: i32 = 0;
[INFO] [stdout]     |                             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layout`
[INFO] [stdout]    --> src/processing.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |     let layout = Layout::new::<image::Image>();
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/processing.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 147 |     unsafe {
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layout`
[INFO] [stdout]    --> src/processing.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |     let layout = Layout::new::<Matrix>();
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `energy`
[INFO] [stdout]   --> src/main.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut energy: Box<matrix::Matrix> = Box::new(matrix::Matrix::default());
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_energy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cost`
[INFO] [stdout]   --> src/main.rs:39:15
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let mut   cost: Box<matrix::Matrix> = Box::new(matrix::Matrix::default());
[INFO] [stdout]    |               ^^^^ help: if this is intentional, prefix it with an underscore: `_cost`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut energy: Box<matrix::Matrix> = Box::new(matrix::Matrix::default());
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let mut   cost: Box<matrix::Matrix> = Box::new(matrix::Matrix::default());
[INFO] [stdout]    |         ------^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `output_file`, `desired_width`, and `desired_height` are never read
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Config<'a> {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 12 |     input_file: &'a str,
[INFO] [stdout] 13 |     output_file: &'a str,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 14 |     desired_width: i32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 15 |     desired_height: i32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]    --> src/matrix.rs:157:4
[INFO] [stdout]     |
[INFO] [stdout] 157 | fn main() {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_INTENSITY` is never used
[INFO] [stdout]   --> src/image.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const MAX_INTENSITY: i32 = 255;
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     image::image_init_with_stream(&mut img, image_config);
[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] 40 |     let _ = image::image_init_with_stream(&mut img, image_config);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     image::image_print(&mut img, &mut file);
[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] 45 |     let _ = image::image_print(&mut img, &mut file);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/image.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 |     writer.write_all(height_width.as_bytes());
[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] 94 |     let _ = writer.write_all(height_width.as_bytes());
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/image.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 96 |     writer.write_all(b"255\n");
[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] 96 |     let _ = writer.write_all(b"255\n");
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/image.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout] 101 |            writer.write_all(line.as_bytes());
[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] 101 |            let _ = writer.write_all(line.as_bytes());
[INFO] [stdout]     |            +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/image.rs:103:8
[INFO] [stdout]     |
[INFO] [stdout] 103 |        writer.write_all(b"\n");
[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] 103 |        let _ = writer.write_all(b"\n");
[INFO] [stdout]     |        +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]   --> src/processing.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |             let N = &image::image_get_pixel(img, row - 1, col);
[INFO] [stdout]    |                 ^ help: convert the identifier to snake case: `n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `S` should have a snake case name
[INFO] [stdout]   --> src/processing.rs:75:17
[INFO] [stdout]    |
[INFO] [stdout] 75 |             let S = &image::image_get_pixel(img, row + 1, col);
[INFO] [stdout]    |                 ^ help: convert the identifier to snake case (notice the capitalization): `s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `E` should have a snake case name
[INFO] [stdout]   --> src/processing.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |             let E = &image::image_get_pixel(img, row, col + 1);
[INFO] [stdout]    |                 ^ help: convert the identifier to snake case: `e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `W` should have a snake case name
[INFO] [stdout]   --> src/processing.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |             let W = &image::image_get_pixel(img, row, col - 1);
[INFO] [stdout]    |                 ^ help: convert the identifier to snake case (notice the capitalization): `w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `newWidth` should have a snake case name
[INFO] [stdout]    --> src/processing.rs:177:47
[INFO] [stdout]     |
[INFO] [stdout] 177 | pub fn seam_carve_width(img: &mut Box<Image>, newWidth: i32) {
[INFO] [stdout]     |                                               ^^^^^^^^ help: convert the identifier to snake case: `new_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `newHeight` should have a snake case name
[INFO] [stdout]    --> src/processing.rs:193:48
[INFO] [stdout]     |
[INFO] [stdout] 193 | pub fn seam_carve_height(img: &mut Box<Image>, newHeight: i32) {
[INFO] [stdout]     |                                                ^^^^^^^^^ help: convert the identifier to snake case: `new_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `newWidth` should have a snake case name
[INFO] [stdout]    --> src/processing.rs:200:41
[INFO] [stdout]     |
[INFO] [stdout] 200 | pub fn seam_carve(img: &mut Box<Image>, newWidth: i32, newHeight: i32) {
[INFO] [stdout]     |                                         ^^^^^^^^ help: convert the identifier to snake case: `new_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `newHeight` should have a snake case name
[INFO] [stdout]    --> src/processing.rs:200:56
[INFO] [stdout]     |
[INFO] [stdout] 200 | pub fn seam_carve(img: &mut Box<Image>, newWidth: i32, newHeight: i32) {
[INFO] [stdout]     |                                                        ^^^^^^^^^ help: convert the identifier to snake case: `new_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.43s
[INFO] running `Command { std: "docker" "inspect" "52e10f3d5f7657b1b802079cc9e926c8e327777d00196f1d6c15e9de9da7af20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52e10f3d5f7657b1b802079cc9e926c8e327777d00196f1d6c15e9de9da7af20", kill_on_drop: false }`
[INFO] [stdout] 52e10f3d5f7657b1b802079cc9e926c8e327777d00196f1d6c15e9de9da7af20