[INFO] cloning repository https://github.com/VincentRemenant/snake
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/VincentRemenant/snake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVincentRemenant%2Fsnake", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVincentRemenant%2Fsnake'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 70a9ef82907d2b07bb2d3029f151936f67a6cc8d
[INFO] checking VincentRemenant/snake against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVincentRemenant%2Fsnake" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/VincentRemenant/snake on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/VincentRemenant/snake
[INFO] finished tweaking git repo https://github.com/VincentRemenant/snake
[INFO] tweaked toml for git repo https://github.com/VincentRemenant/snake written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/VincentRemenant/snake already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stdout] c348cce5c8442e697298f64defce8e9acf6711378ba15ba4fddf1c57207911ef
[INFO] running `Command { std: "docker" "start" "-a" "c348cce5c8442e697298f64defce8e9acf6711378ba15ba4fddf1c57207911ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c348cce5c8442e697298f64defce8e9acf6711378ba15ba4fddf1c57207911ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c348cce5c8442e697298f64defce8e9acf6711378ba15ba4fddf1c57207911ef", kill_on_drop: false }`
[INFO] [stdout] c348cce5c8442e697298f64defce8e9acf6711378ba15ba4fddf1c57207911ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb00273f0a1a62205420031caae3a324ea584b9299d1802145ec34023dc2653a
[INFO] running `Command { std: "docker" "start" "-a" "cb00273f0a1a62205420031caae3a324ea584b9299d1802145ec34023dc2653a", kill_on_drop: false }`
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[INFO] [stderr]    Compiling num-traits v0.2.14
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[INFO] [stdout] warning: unused import: `Case`
[INFO] [stdout]  --> src/main.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | use map::{Map,Case};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Case`
[INFO] [stdout]  --> src/main.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | use map::{Map,Case};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/game.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             _ => (),
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/game.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             _ => (),
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `is_won`
[INFO] [stdout]   --> src/game.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     is_won: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `start`
[INFO] [stdout]   --> src/game.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn start(&mut self){
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `configure`
[INFO] [stdout]   --> src/game.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn configure(&mut self){
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pause`
[INFO] [stdout]   --> src/game.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn pause(&mut self){
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `restart`
[INFO] [stdout]   --> src/game.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn restart(&mut self){
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `exit`
[INFO] [stdout]   --> src/game.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn exit(&self){
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `GAMEOVER_COLOR`
[INFO] [stdout]  --> src/map.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | const GAMEOVER_COLOR: Color = [0.91, 0.30, 0.24, 0.5];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `display`
[INFO] [stdout]   --> src/map.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn display(&mut self){
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `display`
[INFO] [stdout]   --> src/snake.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn display(&mut self){
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to_gui_coord_u32`
[INFO] [stdout]   --> src/drawing.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn to_gui_coord_u32(game_coord: i32) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `is_won`
[INFO] [stdout]   --> src/game.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     is_won: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `start`
[INFO] [stdout]   --> src/game.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn start(&mut self){
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `configure`
[INFO] [stdout]   --> src/game.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn configure(&mut self){
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pause`
[INFO] [stdout]   --> src/game.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn pause(&mut self){
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `restart`
[INFO] [stdout]   --> src/game.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn restart(&mut self){
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `exit`
[INFO] [stdout]   --> src/game.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn exit(&self){
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `GAMEOVER_COLOR`
[INFO] [stdout]  --> src/map.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | const GAMEOVER_COLOR: Color = [0.91, 0.30, 0.24, 0.5];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `display`
[INFO] [stdout]   --> src/map.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn display(&mut self){
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `display`
[INFO] [stdout]   --> src/snake.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn display(&mut self){
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to_gui_coord_u32`
[INFO] [stdout]   --> src/drawing.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn to_gui_coord_u32(game_coord: i32) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.82s
[INFO] running `Command { std: "docker" "inspect" "cb00273f0a1a62205420031caae3a324ea584b9299d1802145ec34023dc2653a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb00273f0a1a62205420031caae3a324ea584b9299d1802145ec34023dc2653a", kill_on_drop: false }`
[INFO] [stdout] cb00273f0a1a62205420031caae3a324ea584b9299d1802145ec34023dc2653a