[INFO] cloning repository https://github.com/DuncanConroy/gameoflife-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DuncanConroy/gameoflife-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDuncanConroy%2Fgameoflife-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDuncanConroy%2Fgameoflife-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7bb5bb06cb9dc227519b310c063ccc69cf47d07c
[INFO] checking DuncanConroy/gameoflife-rust against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDuncanConroy%2Fgameoflife-rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/DuncanConroy/gameoflife-rust
[INFO] finished tweaking git repo https://github.com/DuncanConroy/gameoflife-rust
[INFO] tweaked toml for git repo https://github.com/DuncanConroy/gameoflife-rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DuncanConroy/gameoflife-rust on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/DuncanConroy/gameoflife-rust 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `std::process::exit`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::process::exit;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/main.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | use pixels::{Error, Pixels, SurfaceTexture};
[INFO] [stdout]   |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Event`
[INFO] [stdout]  --> src/main.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 | use winit::event::{Event, VirtualKeyCode};
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     /// some thoughts...
[INFO] [stdout] 20 | |     /// if this was about performance, we could do as follows:
[INFO] [stdout] 21 | |     /// - only use 1/0 for alive/dead (no colors, grays...)
[INFO] [stdout] 22 | |     /// - detect the system's bit size/usize, e.g. 32, 64
[INFO] [stdout] ...  |
[INFO] [stdout] 34 | |     /// - inline functions
[INFO] [stdout] 35 | |     /// - avoid if-statements and math if possible -> use bit fields, xor, or, etc.
[INFO] [stdout]    | |___________________________________________________________________________________^
[INFO] [stdout] 36 |
[INFO] [stdout] 37 |       let mut cells = [[(0, 0); WIDTH]; HEIGHT];
[INFO] [stdout]    |       ------------------------------------------ rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::exit`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::process::exit;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/main.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | use pixels::{Error, Pixels, SurfaceTexture};
[INFO] [stdout]   |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Event`
[INFO] [stdout]  --> src/main.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 | use winit::event::{Event, VirtualKeyCode};
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     /// some thoughts...
[INFO] [stdout] 20 | |     /// if this was about performance, we could do as follows:
[INFO] [stdout] 21 | |     /// - only use 1/0 for alive/dead (no colors, grays...)
[INFO] [stdout] 22 | |     /// - detect the system's bit size/usize, e.g. 32, 64
[INFO] [stdout] ...  |
[INFO] [stdout] 34 | |     /// - inline functions
[INFO] [stdout] 35 | |     /// - avoid if-statements and math if possible -> use bit fields, xor, or, etc.
[INFO] [stdout]    | |___________________________________________________________________________________^
[INFO] [stdout] 36 |
[INFO] [stdout] 37 |       let mut cells = [[(0, 0); WIDTH]; HEIGHT];
[INFO] [stdout]    |       ------------------------------------------ rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn tick(mut cells: CellArray, width: usize, height: usize, generation: usize) -> CellArray {
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]    --> src/main.rs:172:44
[INFO] [stdout]     |
[INFO] [stdout] 172 | fn render(cells: &CellArray, width: usize, height: usize, generation: usize, frame_buffer: &mut [u8]) {
[INFO] [stdout]     |                                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `generation`
[INFO] [stdout]    --> src/main.rs:172:59
[INFO] [stdout]     |
[INFO] [stdout] 172 | fn render(cells: &CellArray, width: usize, height: usize, generation: usize, frame_buffer: &mut [u8]) {
[INFO] [stdout]     |                                                           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn tick(mut cells: CellArray, width: usize, height: usize, generation: usize) -> CellArray {
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]    --> src/main.rs:172:44
[INFO] [stdout]     |
[INFO] [stdout] 172 | fn render(cells: &CellArray, width: usize, height: usize, generation: usize, frame_buffer: &mut [u8]) {
[INFO] [stdout]     |                                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `generation`
[INFO] [stdout]    --> src/main.rs:172:59
[INFO] [stdout]     |
[INFO] [stdout] 172 | fn render(cells: &CellArray, width: usize, height: usize, generation: usize, frame_buffer: &mut [u8]) {
[INFO] [stdout]     |                                                           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 54.97s
[INFO] running `Command { std: "docker" "inspect" "9f3e4fd6b1ae20df3bccf7678199b362e40582fbcc1be6111009d1d91c31f40d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f3e4fd6b1ae20df3bccf7678199b362e40582fbcc1be6111009d1d91c31f40d", kill_on_drop: false }`
[INFO] [stdout] 9f3e4fd6b1ae20df3bccf7678199b362e40582fbcc1be6111009d1d91c31f40d
