[INFO] cloning repository https://github.com/neto2000/game_of_life
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/neto2000/game_of_life" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneto2000%2Fgame_of_life", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneto2000%2Fgame_of_life'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6110424c547e110ce905bf47bd22dcb624707405
[INFO] checking neto2000/game_of_life against try#0fe3684930279e4d3be3aca66b30f82946ce9ac2 for pr-138340
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneto2000%2Fgame_of_life" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/neto2000/game_of_life on toolchain 0fe3684930279e4d3be3aca66b30f82946ce9ac2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0fe3684930279e4d3be3aca66b30f82946ce9ac2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/neto2000/game_of_life
[INFO] finished tweaking git repo https://github.com/neto2000/game_of_life
[INFO] tweaked toml for git repo https://github.com/neto2000/game_of_life written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/neto2000/game_of_life 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" "+0fe3684930279e4d3be3aca66b30f82946ce9ac2" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+0fe3684930279e4d3be3aca66b30f82946ce9ac2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a55de4771c5bf042baef14dbcc5c29b7a7071bd68ce6f187f1d2060fea081cd7
[INFO] running `Command { std: "docker" "start" "-a" "a55de4771c5bf042baef14dbcc5c29b7a7071bd68ce6f187f1d2060fea081cd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a55de4771c5bf042baef14dbcc5c29b7a7071bd68ce6f187f1d2060fea081cd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a55de4771c5bf042baef14dbcc5c29b7a7071bd68ce6f187f1d2060fea081cd7", kill_on_drop: false }`
[INFO] [stdout] a55de4771c5bf042baef14dbcc5c29b7a7071bd68ce6f187f1d2060fea081cd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+0fe3684930279e4d3be3aca66b30f82946ce9ac2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f655da516f16579a8e81d7cf2b89df647175c9e8e7e43e964464fe7874d36f2f
[INFO] running `Command { std: "docker" "start" "-a" "f655da516f16579a8e81d7cf2b89df647175c9e8e7e43e964464fe7874d36f2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling sdl2 v0.36.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling sdl2-sys v0.36.0
[INFO] [stderr]     Checking termion v2.0.1
[INFO] [stderr]     Checking game_of_life v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0583]: file not found for module `display`
[INFO] [stdout]   --> src/main.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub mod display;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: to create the module `display`, create file "src/display.rs" or "src/display/mod.rs"
[INFO] [stdout]    = note: if there is a `mod display` elsewhere in the crate already, import it with `use crate::...` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0583]: file not found for module `display`
[INFO] [stdout]   --> src/main.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub mod display;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: to create the module `display`, create file "src/display.rs" or "src/display/mod.rs"
[INFO] [stdout]    = note: if there is a `mod display` elsewhere in the crate already, import it with `use crate::...` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `InitFlag`
[INFO] [stdout]   --> src/main.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 | use sdl2::image::{InitFlag, LoadTexture};
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::path::Path;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::game::Block`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::game::Block;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::display`
[INFO] [stdout]  --> src/game.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `InitFlag`
[INFO] [stdout]   --> src/main.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 | use sdl2::image::{InitFlag, LoadTexture};
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::path::Path;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::game::Block`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::game::Block;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::display`
[INFO] [stdout]  --> src/game.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/game.rs:175:14
[INFO] [stdout]     |
[INFO] [stdout] 175 | pub fn round(mut render: &mut Renderer, mut alive: Vec<Block>, mut blocks: Vec<Vec<bool>>) -> (Vec<Block>, Vec<Vec<bool>>) {
[INFO] [stdout]     |              ----^^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/game.rs:184:13
[INFO] [stdout]     |
[INFO] [stdout] 184 |         let mut revived: Vec<Block> = alive[count].get_neighbours(&blocks);
[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/game.rs:233:20
[INFO] [stdout]     |
[INFO] [stdout] 233 | pub fn place_block(mut render: &mut Renderer,pos: Point, mut alive: Vec<Block>, mut blocks: Vec<Vec<bool>>) -> (Vec<Block>, Vec<Vec<bool>...
[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:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let mut canvas = window.into_canvas().build().map_err(|e| e.to_string())?;
[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/game.rs:175:14
[INFO] [stdout]     |
[INFO] [stdout] 175 | pub fn round(mut render: &mut Renderer, mut alive: Vec<Block>, mut blocks: Vec<Vec<bool>>) -> (Vec<Block>, Vec<Vec<bool>>) {
[INFO] [stdout]     |              ----^^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/game.rs:184:13
[INFO] [stdout]     |
[INFO] [stdout] 184 |         let mut revived: Vec<Block> = alive[count].get_neighbours(&blocks);
[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/game.rs:233:20
[INFO] [stdout]     |
[INFO] [stdout] 233 | pub fn place_block(mut render: &mut Renderer,pos: Point, mut alive: Vec<Block>, mut blocks: Vec<Vec<bool>>) -> (Vec<Block>, Vec<Vec<bool>...
[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:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let mut canvas = window.into_canvas().build().map_err(|e| e.to_string())?;
[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:161:9
[INFO] [stdout]     |
[INFO] [stdout] 161 |     let mut alive: Vec<game::Block> = Vec::new();
[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:276:16
[INFO] [stdout]     |
[INFO] [stdout] 276 | fn start_setup(mut render: &mut Renderer, mut alive: Vec<game::Block>, mut blocks: Vec<Vec<bool>>) -> (Vec<game::Block>,Vec<Vec<bool>>)  {
[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:276:43
[INFO] [stdout]     |
[INFO] [stdout] 276 | fn start_setup(mut render: &mut Renderer, mut alive: Vec<game::Block>, mut blocks: Vec<Vec<bool>>) -> (Vec<game::Block>,Vec<Vec<bool>>)  {
[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:276:72
[INFO] [stdout]     |
[INFO] [stdout] 276 | fn start_setup(mut render: &mut Renderer, mut alive: Vec<game::Block>, mut blocks: Vec<Vec<bool>>) -> (Vec<game::Block>,Vec<Vec<bool>>)  {
[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:278:10
[INFO] [stdout]     |
[INFO] [stdout] 278 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:25,y:25}, alive, blocks);
[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:278:21
[INFO] [stdout]     |
[INFO] [stdout] 278 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:25,y:25}, alive, blocks);
[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:279:10
[INFO] [stdout]     |
[INFO] [stdout] 279 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:25,y:26}, alive, blocks);
[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:279:21
[INFO] [stdout]     |
[INFO] [stdout] 279 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:25,y:26}, alive, blocks);
[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:280:10
[INFO] [stdout]     |
[INFO] [stdout] 280 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:25,y:27}, alive, blocks);
[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:280:21
[INFO] [stdout]     |
[INFO] [stdout] 280 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:25,y:27}, alive, blocks);
[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:281:10
[INFO] [stdout]     |
[INFO] [stdout] 281 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:27,y:24}, alive, blocks);
[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:281:21
[INFO] [stdout]     |
[INFO] [stdout] 281 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:27,y:24}, alive, blocks);
[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:282:10
[INFO] [stdout]     |
[INFO] [stdout] 282 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:27,y:28}, alive, blocks);
[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:282:21
[INFO] [stdout]     |
[INFO] [stdout] 282 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:27,y:28}, alive, blocks);
[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:284:10
[INFO] [stdout]     |
[INFO] [stdout] 284 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:28,y:24}, alive, blocks);
[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:284:21
[INFO] [stdout]     |
[INFO] [stdout] 284 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:28,y:24}, alive, blocks);
[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:285:10
[INFO] [stdout]     |
[INFO] [stdout] 285 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:28,y:28}, alive, blocks);
[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:285:21
[INFO] [stdout]     |
[INFO] [stdout] 285 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:28,y:28}, alive, blocks);
[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:286:10
[INFO] [stdout]     |
[INFO] [stdout] 286 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:30,y:25}, alive, blocks);
[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:286:21
[INFO] [stdout]     |
[INFO] [stdout] 286 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:30,y:25}, alive, blocks);
[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:287:10
[INFO] [stdout]     |
[INFO] [stdout] 287 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:30,y:26}, alive, blocks);
[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:287:21
[INFO] [stdout]     |
[INFO] [stdout] 287 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:30,y:26}, alive, blocks);
[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:288:10
[INFO] [stdout]     |
[INFO] [stdout] 288 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:30,y:27}, alive, blocks);
[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:288:21
[INFO] [stdout]     |
[INFO] [stdout] 288 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:30,y:27}, alive, blocks);
[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:290:10
[INFO] [stdout]     |
[INFO] [stdout] 290 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:33,y:25}, alive, blocks);
[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:290:21
[INFO] [stdout]     |
[INFO] [stdout] 290 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:33,y:25}, alive, blocks);
[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:291:10
[INFO] [stdout]     |
[INFO] [stdout] 291 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:33,y:26}, alive, blocks);
[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:291:21
[INFO] [stdout]     |
[INFO] [stdout] 291 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:33,y:26}, alive, blocks);
[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:292:10
[INFO] [stdout]     |
[INFO] [stdout] 292 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:33,y:27}, alive, blocks);
[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:292:21
[INFO] [stdout]     |
[INFO] [stdout] 292 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:33,y:27}, alive, blocks);
[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:293:10
[INFO] [stdout]     |
[INFO] [stdout] 293 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:35,y:24}, alive, blocks);
[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:293:21
[INFO] [stdout]     |
[INFO] [stdout] 293 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:35,y:24}, alive, blocks);
[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:294:10
[INFO] [stdout]     |
[INFO] [stdout] 294 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:35,y:28}, alive, blocks);
[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:294:21
[INFO] [stdout]     |
[INFO] [stdout] 294 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:35,y:28}, alive, blocks);
[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:296:10
[INFO] [stdout]     |
[INFO] [stdout] 296 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:36,y:24}, alive, blocks);
[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:296:21
[INFO] [stdout]     |
[INFO] [stdout] 296 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:36,y:24}, alive, blocks);
[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:297:10
[INFO] [stdout]     |
[INFO] [stdout] 297 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:36,y:28}, alive, blocks);
[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:297:21
[INFO] [stdout]     |
[INFO] [stdout] 297 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:36,y:28}, alive, blocks);
[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:298:10
[INFO] [stdout]     |
[INFO] [stdout] 298 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:38,y:25}, alive, blocks);
[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:298:21
[INFO] [stdout]     |
[INFO] [stdout] 298 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:38,y:25}, alive, blocks);
[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:299:10
[INFO] [stdout]     |
[INFO] [stdout] 299 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:38,y:26}, alive, blocks);
[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:299:21
[INFO] [stdout]     |
[INFO] [stdout] 299 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:38,y:26}, alive, blocks);
[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:300:10
[INFO] [stdout]     |
[INFO] [stdout] 300 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:38,y:27}, alive, blocks);
[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:300:21
[INFO] [stdout]     |
[INFO] [stdout] 300 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:38,y:27}, alive, blocks);
[INFO] [stdout]     |                     ----^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0583`.
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:161:9
[INFO] [stdout]     |
[INFO] [stdout] 161 |     let mut alive: Vec<game::Block> = Vec::new();
[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:276:16
[INFO] [stdout]     |
[INFO] [stdout] 276 | fn start_setup(mut render: &mut Renderer, mut alive: Vec<game::Block>, mut blocks: Vec<Vec<bool>>) -> (Vec<game::Block>,Vec<Vec<bool>>)  {
[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:276:43
[INFO] [stdout]     |
[INFO] [stdout] 276 | fn start_setup(mut render: &mut Renderer, mut alive: Vec<game::Block>, mut blocks: Vec<Vec<bool>>) -> (Vec<game::Block>,Vec<Vec<bool>>)  {
[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:276:72
[INFO] [stdout]     |
[INFO] [stdout] 276 | fn start_setup(mut render: &mut Renderer, mut alive: Vec<game::Block>, mut blocks: Vec<Vec<bool>>) -> (Vec<game::Block>,Vec<Vec<bool>>)  {
[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:278:10
[INFO] [stdout]     |
[INFO] [stdout] 278 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:25,y:25}, alive, blocks);
[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:278:21
[INFO] [stdout]     |
[INFO] [stdout] 278 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:25,y:25}, alive, blocks);
[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:279:10
[INFO] [stdout]     |
[INFO] [stdout] 279 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:25,y:26}, alive, blocks);
[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:279:21
[INFO] [stdout]     |
[INFO] [stdout] 279 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:25,y:26}, alive, blocks);
[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:280:10
[INFO] [stdout]     |
[INFO] [stdout] 280 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:25,y:27}, alive, blocks);
[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:280:21
[INFO] [stdout]     |
[INFO] [stdout] 280 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:25,y:27}, alive, blocks);
[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:281:10
[INFO] [stdout]     |
[INFO] [stdout] 281 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:27,y:24}, alive, blocks);
[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:281:21
[INFO] [stdout]     |
[INFO] [stdout] 281 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:27,y:24}, alive, blocks);
[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:282:10
[INFO] [stdout]     |
[INFO] [stdout] 282 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:27,y:28}, alive, blocks);
[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:282:21
[INFO] [stdout]     |
[INFO] [stdout] 282 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:27,y:28}, alive, blocks);
[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:284:10
[INFO] [stdout]     |
[INFO] [stdout] 284 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:28,y:24}, alive, blocks);
[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:284:21
[INFO] [stdout]     |
[INFO] [stdout] 284 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:28,y:24}, alive, blocks);
[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:285:10
[INFO] [stdout]     |
[INFO] [stdout] 285 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:28,y:28}, alive, blocks);
[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:285:21
[INFO] [stdout]     |
[INFO] [stdout] 285 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:28,y:28}, alive, blocks);
[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:286:10
[INFO] [stdout]     |
[INFO] [stdout] 286 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:30,y:25}, alive, blocks);
[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:286:21
[INFO] [stdout]     |
[INFO] [stdout] 286 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:30,y:25}, alive, blocks);
[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:287:10
[INFO] [stdout]     |
[INFO] [stdout] 287 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:30,y:26}, alive, blocks);
[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:287:21
[INFO] [stdout]     |
[INFO] [stdout] 287 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:30,y:26}, alive, blocks);
[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:288:10
[INFO] [stdout]     |
[INFO] [stdout] 288 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:30,y:27}, alive, blocks);
[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:288:21
[INFO] [stdout]     |
[INFO] [stdout] 288 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:30,y:27}, alive, blocks);
[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:290:10
[INFO] [stdout]     |
[INFO] [stdout] 290 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:33,y:25}, alive, blocks);
[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:290:21
[INFO] [stdout]     |
[INFO] [stdout] 290 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:33,y:25}, alive, blocks);
[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:291:10
[INFO] [stdout]     |
[INFO] [stdout] 291 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:33,y:26}, alive, blocks);
[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:291:21
[INFO] [stdout]     |
[INFO] [stdout] 291 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:33,y:26}, alive, blocks);
[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:292:10
[INFO] [stdout]     |
[INFO] [stdout] 292 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:33,y:27}, alive, blocks);
[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:292:21
[INFO] [stdout]     |
[INFO] [stdout] 292 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:33,y:27}, alive, blocks);
[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:293:10
[INFO] [stdout]     |
[INFO] [stdout] 293 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:35,y:24}, alive, blocks);
[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:293:21
[INFO] [stdout]     |
[INFO] [stdout] 293 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:35,y:24}, alive, blocks);
[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:294:10
[INFO] [stdout]     |
[INFO] [stdout] 294 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:35,y:28}, alive, blocks);
[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:294:21
[INFO] [stdout]     |
[INFO] [stdout] 294 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:35,y:28}, alive, blocks);
[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:296:10
[INFO] [stdout]     |
[INFO] [stdout] 296 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:36,y:24}, alive, blocks);
[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:296:21
[INFO] [stdout]     |
[INFO] [stdout] 296 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:36,y:24}, alive, blocks);
[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:297:10
[INFO] [stdout]     |
[INFO] [stdout] 297 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:36,y:28}, alive, blocks);
[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:297:21
[INFO] [stdout]     |
[INFO] [stdout] 297 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:36,y:28}, alive, blocks);
[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:298:10
[INFO] [stdout]     |
[INFO] [stdout] 298 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:38,y:25}, alive, blocks);
[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:298:21
[INFO] [stdout]     |
[INFO] [stdout] 298 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:38,y:25}, alive, blocks);
[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:299:10
[INFO] [stdout]     |
[INFO] [stdout] 299 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:38,y:26}, alive, blocks);
[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:299:21
[INFO] [stdout]     |
[INFO] [stdout] 299 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:38,y:26}, alive, blocks);
[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:300:10
[INFO] [stdout]     |
[INFO] [stdout] 300 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:38,y:27}, alive, blocks);
[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:300:21
[INFO] [stdout]     |
[INFO] [stdout] 300 |     let (mut alive, mut blocks) = game::place_block(render, game::Point{x:38,y:27}, alive, blocks);
[INFO] [stdout]     |                     ----^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `game_of_life` (bin "game_of_life") due to 1 previous error; 52 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0583`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `game_of_life` (bin "game_of_life" test) due to 1 previous error; 52 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "f655da516f16579a8e81d7cf2b89df647175c9e8e7e43e964464fe7874d36f2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f655da516f16579a8e81d7cf2b89df647175c9e8e7e43e964464fe7874d36f2f", kill_on_drop: false }`
[INFO] [stdout] f655da516f16579a8e81d7cf2b89df647175c9e8e7e43e964464fe7874d36f2f