[INFO] updating cached repository https://github.com/eutampieri/Tsuikaban-rs
[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] d18cc2227698813678725293dbd2775c40068e6c
[INFO] checking eutampieri/Tsuikaban-rs against master#bd0bacc694d7d8175804bb6f690cb846bfa4a9ee for pr-71665
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feutampieri%2FTsuikaban-rs" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eutampieri/Tsuikaban-rs on toolchain bd0bacc694d7d8175804bb6f690cb846bfa4a9ee
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/eutampieri/Tsuikaban-rs
[INFO] finished tweaking git repo https://github.com/eutampieri/Tsuikaban-rs
[INFO] tweaked toml for git repo https://github.com/eutampieri/Tsuikaban-rs written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/eutampieri/Tsuikaban-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e3dbf7a0c3436fb814c1a72de5c68005fc2d7545e0a016b3d82f5a3a893d32aa
[INFO] running `"docker" "start" "-a" "e3dbf7a0c3436fb814c1a72de5c68005fc2d7545e0a016b3d82f5a3a893d32aa"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking tsuikaban-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: field is never read: `snapshots`
[INFO] [stderr]   --> src/board.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     snapshots: Vec<(Position, Vec<Vec<Block>>)>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_player_position`
[INFO] [stderr]   --> src/board.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn get_player_position(&self) -> Position {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_board_size`
[INFO] [stderr]   --> src/board.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn get_board_size(&self) -> Size {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `undo`
[INFO] [stderr]    --> src/board.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 129 |     pub fn undo(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Size`
[INFO] [stderr]  --> src/board.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | type Size = Position;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Door`
[INFO] [stderr]  --> src/board.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Door,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Wall`
[INFO] [stderr]  --> src/board.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Wall,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Block`
[INFO] [stderr]  --> src/board.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Block(Colour, i32),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Empty`
[INFO] [stderr]   --> src/board.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Empty,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Board`
[INFO] [stderr]   --> src/board.rs:45:12
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub struct Board {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_player_position`
[INFO] [stderr]   --> src/board.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn get_player_position(&self) -> Position {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `player_has_won`
[INFO] [stderr]   --> src/board.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn player_has_won(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_board_size`
[INFO] [stderr]   --> src/board.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn get_board_size(&self) -> Size {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `try_move`
[INFO] [stderr]   --> src/board.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn try_move(&mut self, coord: Position, to: &Direction) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `handle_move`
[INFO] [stderr]    --> src/board.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 |     pub fn handle_move(&mut self, direction: Direction) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `undo`
[INFO] [stderr]    --> src/board.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 129 |     pub fn undo(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `from`
[INFO] [stderr]    --> src/board.rs:133:5
[INFO] [stderr]     |
[INFO] [stderr] 133 |     pub fn from(level_data: &str) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "e3dbf7a0c3436fb814c1a72de5c68005fc2d7545e0a016b3d82f5a3a893d32aa"`
[INFO] running `"docker" "rm" "-f" "e3dbf7a0c3436fb814c1a72de5c68005fc2d7545e0a016b3d82f5a3a893d32aa"`
[INFO] [stdout] e3dbf7a0c3436fb814c1a72de5c68005fc2d7545e0a016b3d82f5a3a893d32aa