[INFO] updating cached repository https://github.com/AliceLanniste/rs_2048
[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] 3b8b34e07d169bb4e03cea0acf5d1cda1014ad23
[INFO] checking AliceLanniste/rs_2048 against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAliceLanniste%2Frs_2048" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AliceLanniste/rs_2048 on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/AliceLanniste/rs_2048
[INFO] finished tweaking git repo https://github.com/AliceLanniste/rs_2048
[INFO] tweaked toml for git repo https://github.com/AliceLanniste/rs_2048 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/AliceLanniste/rs_2048 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ff209bf9df135c8c03f5afa93b6c90049052ce4e6cf8b48c6a6949ea9bb433f7
[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" "ff209bf9df135c8c03f5afa93b6c90049052ce4e6cf8b48c6a6949ea9bb433f7"`
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking rs_2048 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `gameBoard::GameBoard`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use gameBoard::GameBoard;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `gameBoard::GameBoard`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use gameBoard::GameBoard;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/gameBoard.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `fill_in`
[INFO] [stderr]   --> src/gameBoard.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn fill_in(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `position`
[INFO] [stderr]   --> src/gameBoard.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     fn position(&self) -> Vec<(usize, usize)> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rand_number`
[INFO] [stderr]   --> src/gameBoard.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     fn rand_number() -> i32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `draw_ascii`
[INFO] [stderr]  --> src/main.rs:7:4
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn draw_ascii() {
[INFO] [stderr]   |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: module `gameBoard` should have a snake case name
[INFO] [stderr]  --> src/main.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub mod gameBoard;
[INFO] [stderr]   |         ^^^^^^^^^ help: convert the identifier to snake case: `game_board`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `Direction_move` should have a snake case name
[INFO] [stderr]   --> src/gameBoard.rs:98:12
[INFO] [stderr]    |
[INFO] [stderr] 98 |     pub fn Direction_move(&mut self, direct: Directions) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `direction_move`
[INFO] [stderr] 
[INFO] [stderr] warning: method `Rmove` should have a snake case name
[INFO] [stderr]    --> src/gameBoard.rs:141:8
[INFO] [stderr]     |
[INFO] [stderr] 141 |     fn Rmove(&mut self, x: i8, y: i8, c: i8, r: i8) {
[INFO] [stderr]     |        ^^^^^ help: convert the identifier to snake case: `rmove`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `fill_in`
[INFO] [stderr]   --> src/gameBoard.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn fill_in(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `position`
[INFO] [stderr]   --> src/gameBoard.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     fn position(&self) -> Vec<(usize, usize)> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rand_number`
[INFO] [stderr]   --> src/gameBoard.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     fn rand_number() -> i32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `draw_ascii`
[INFO] [stderr]  --> src/main.rs:7:4
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn draw_ascii() {
[INFO] [stderr]   |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: module `gameBoard` should have a snake case name
[INFO] [stderr]  --> src/main.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub mod gameBoard;
[INFO] [stderr]   |         ^^^^^^^^^ help: convert the identifier to snake case: `game_board`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `Direction_move` should have a snake case name
[INFO] [stderr]   --> src/gameBoard.rs:98:12
[INFO] [stderr]    |
[INFO] [stderr] 98 |     pub fn Direction_move(&mut self, direct: Directions) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `direction_move`
[INFO] [stderr] 
[INFO] [stderr] warning: method `Rmove` should have a snake case name
[INFO] [stderr]    --> src/gameBoard.rs:141:8
[INFO] [stderr]     |
[INFO] [stderr] 141 |     fn Rmove(&mut self, x: i8, y: i8, c: i8, r: i8) {
[INFO] [stderr]     |        ^^^^^ help: convert the identifier to snake case: `rmove`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.79s
[INFO] running `"docker" "inspect" "ff209bf9df135c8c03f5afa93b6c90049052ce4e6cf8b48c6a6949ea9bb433f7"`
[INFO] running `"docker" "rm" "-f" "ff209bf9df135c8c03f5afa93b6c90049052ce4e6cf8b48c6a6949ea9bb433f7"`
[INFO] [stdout] ff209bf9df135c8c03f5afa93b6c90049052ce4e6cf8b48c6a6949ea9bb433f7