[INFO] updating cached repository https://github.com/kamilpitula/RustySnake
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 99f0d58027df1eaa2279e082dbecdf77f636c7b7
[INFO] checking kamilpitula/RustySnake against master#73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de for pr-68325
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamilpitula%2FRustySnake" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kamilpitula/RustySnake on toolchain 73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/kamilpitula/RustySnake
[INFO] finished tweaking git repo https://github.com/kamilpitula/RustySnake
[INFO] tweaked toml for git repo https://github.com/kamilpitula/RustySnake written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/kamilpitula/RustySnake already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9922f2896b74ec18248df5be4c89750d47c7cd87472ca785b7d3c4659fb0d9b9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "9922f2896b74ec18248df5be4c89750d47c7cd87472ca785b7d3c4659fb0d9b9"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]     Checking piston-texture v0.8.0
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]    Compiling gl_generator v0.11.0
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking x11-dl v2.18.4
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking png v0.15.2
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking num-iter v0.1.39
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking rusttype v0.8.2
[INFO] [stderr]     Checking gfx_core v0.9.2
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking piston2d-graphics v0.35.0
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.5
[INFO] [stderr]    Compiling gfx_gl v0.6.0
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.4
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking wayland-commons v0.21.13
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking wayland-client v0.21.13
[INFO] [stderr]     Checking image v0.22.3
[INFO] [stderr]     Checking wayland-protocols v0.21.13
[INFO] [stderr]     Checking pistoncore-input v0.28.0
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking pistoncore-window v0.44.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.49.0
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.69.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.6
[INFO] [stderr]     Checking piston v0.49.0
[INFO] [stderr]     Checking gfx v0.18.2
[INFO] [stderr]     Checking gfx_device_gl v0.16.2
[INFO] [stderr]     Checking winit v0.19.5
[INFO] [stderr]     Checking glutin v0.21.2
[INFO] [stderr]     Checking piston-gfx_texture v0.40.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.63.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.66.0
[INFO] [stderr]     Checking piston_window v0.105.0
[INFO] [stderr]     Checking RustySnake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `HighScores`, `UserScore`
[INFO] [stderr]   --> src/game.rs:10:24
[INFO] [stderr]    |
[INFO] [stderr] 10 | use super::userscore::{UserScore, HighScores};
[INFO] [stderr]    |                        ^^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]   --> src/game.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::fs::File;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]   --> src/game.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::io::prelude::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:51:32
[INFO] [stderr]    |
[INFO] [stderr] 51 |     let mut current_state: Box<GameState> = Box::new(startgame::StartGame::new(opengl, 32));
[INFO] [stderr]    |                                ^^^^^^^^^ help: use `dyn`: `dyn GameState`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/main.rs:68:30
[INFO] [stderr]    |
[INFO] [stderr] 68 |                 State::Start(data) =>{Box::new(startgame::StartGame::new(opengl, 32))},
[INFO] [stderr]    |                              ^^^^ help: consider prefixing with an underscore: `_data`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/startgame.rs:59:26
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn update(&mut self, args: &UpdateArgs) -> State<GameData>{
[INFO] [stderr]    |                          ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]    --> src/game.rs:122:26
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn update(&mut self, args: &UpdateArgs) -> State<GameData> {
[INFO] [stderr]     |                          ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/endgame.rs:78:26
[INFO] [stderr]    |
[INFO] [stderr] 78 |     fn update(&mut self, args: &UpdateArgs) -> State<GameData>{
[INFO] [stderr]    |                          ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `HighScores`, `UserScore`
[INFO] [stderr]   --> src/game.rs:10:24
[INFO] [stderr]    |
[INFO] [stderr] 10 | use super::userscore::{UserScore, HighScores};
[INFO] [stderr]    |                        ^^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]   --> src/game.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::fs::File;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]   --> src/game.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::io::prelude::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:51:32
[INFO] [stderr]    |
[INFO] [stderr] 51 |     let mut current_state: Box<GameState> = Box::new(startgame::StartGame::new(opengl, 32));
[INFO] [stderr]    |                                ^^^^^^^^^ help: use `dyn`: `dyn GameState`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/scorecontroller.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 12 |         let mut deserialized_scores: HighScores;
[INFO] [stderr]    |             ----^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `size`
[INFO] [stderr]   --> src/startgame.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     size: i8,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `size`
[INFO] [stderr]   --> src/endgame.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     size: i8,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `RustySnake` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rusty_snake`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `stateFinished` should have a snake case name
[INFO] [stderr]   --> src/main.rs:65:17
[INFO] [stderr]    |
[INFO] [stderr] 65 |             let stateFinished = current_state.update(&args);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^ help: convert the identifier to snake case: `state_finished`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/main.rs:68:30
[INFO] [stderr]    |
[INFO] [stderr] 68 |                 State::Start(data) =>{Box::new(startgame::StartGame::new(opengl, 32))},
[INFO] [stderr]    |                              ^^^^ help: consider prefixing with an underscore: `_data`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/startgame.rs:59:26
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn update(&mut self, args: &UpdateArgs) -> State<GameData>{
[INFO] [stderr]    |                          ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]    --> src/game.rs:122:26
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn update(&mut self, args: &UpdateArgs) -> State<GameData> {
[INFO] [stderr]     |                          ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/endgame.rs:78:26
[INFO] [stderr]    |
[INFO] [stderr] 78 |     fn update(&mut self, args: &UpdateArgs) -> State<GameData>{
[INFO] [stderr]    |                          ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/scorecontroller.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 12 |         let mut deserialized_scores: HighScores;
[INFO] [stderr]    |             ----^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `size`
[INFO] [stderr]   --> src/startgame.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     size: i8,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `size`
[INFO] [stderr]   --> src/endgame.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     size: i8,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `RustySnake` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rusty_snake`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `stateFinished` should have a snake case name
[INFO] [stderr]   --> src/main.rs:65:17
[INFO] [stderr]    |
[INFO] [stderr] 65 |             let stateFinished = current_state.update(&args);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^ help: convert the identifier to snake case: `state_finished`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `"docker" "inspect" "9922f2896b74ec18248df5be4c89750d47c7cd87472ca785b7d3c4659fb0d9b9"`
[INFO] running `"docker" "rm" "-f" "9922f2896b74ec18248df5be4c89750d47c7cd87472ca785b7d3c4659fb0d9b9"`
[INFO] [stdout] 9922f2896b74ec18248df5be4c89750d47c7cd87472ca785b7d3c4659fb0d9b9