[INFO] updating cached repository https://github.com/markcol/board100
[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] 8034460ad8032ae58f6cffecbac6da698d1e0803
[INFO] checking markcol/board100 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarkcol%2Fboard100" "/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/markcol/board100 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/markcol/board100
[INFO] finished tweaking git repo https://github.com/markcol/board100
[INFO] tweaked toml for git repo https://github.com/markcol/board100 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/markcol/board100 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] c9e83cd1910685bd9f0c44190a466c94180a26cd9adbdb27a8dd58f47c242c37
[INFO] running `"docker" "start" "-a" "c9e83cd1910685bd9f0c44190a466c94180a26cd9adbdb27a8dd58f47c242c37"`
[INFO] [stderr]    Compiling quote v0.6.9
[INFO] [stderr]    Compiling syn v0.15.17
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Checking square100 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variant is never constructed: `NotStarted`
[INFO] [stderr]   --> src/board.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     NotStarted, // Board not started
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BadDirection`
[INFO] [stderr]   --> src/board.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     BadDirection { dir: Direction, x: usize, y: usize }, // Moving in direction '{}' is invalid
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `IndexOutOfRange`
[INFO] [stderr]   --> src/board.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     IndexOutOfRange { x: usize, y: usize, max: usize }, // cannot set cell [{}, {}], out of range ({})
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CannotClear`
[INFO] [stderr]   --> src/board.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     CannotClear { x: usize, y: usize }, // cannot clear cell [{}, {}]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ValueUsed`
[INFO] [stderr]   --> src/board.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     ValueUsed { x: usize, y: usize, value: u8 }, // cannot set cell [{}, {}] = {}, value already used
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ValueOutOfRange`
[INFO] [stderr]   --> src/board.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 | /     ValueOutOfRange {
[INFO] [stderr] 56 | |         x: usize,
[INFO] [stderr] 57 | |         y: usize,
[INFO] [stderr] 58 | |         value: u8,
[INFO] [stderr] 59 | |         max: usize,
[INFO] [stderr] 60 | |     }, // cannot set cell [{}, {}] = {}, larger than {}
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NotEmpty`
[INFO] [stderr]   --> src/board.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     NotEmpty { x: usize, y: usize }, // cell [{}, {}] is not empty
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `HV_OFFSET`
[INFO] [stderr]   --> src/board.rs:66:1
[INFO] [stderr]    |
[INFO] [stderr] 66 | pub const HV_OFFSET: i32 = 3;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `DIAG_OFFSET`
[INFO] [stderr]   --> src/board.rs:69:1
[INFO] [stderr]    |
[INFO] [stderr] 69 | pub const DIAG_OFFSET: i32 = 2;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Down`
[INFO] [stderr]   --> src/board.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     Down,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DownRight`
[INFO] [stderr]   --> src/board.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     DownRight,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Right`
[INFO] [stderr]   --> src/board.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 |     Right,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UpRight`
[INFO] [stderr]   --> src/board.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     UpRight,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Up`
[INFO] [stderr]   --> src/board.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     Up,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UpLeft`
[INFO] [stderr]   --> src/board.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     UpLeft,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Left`
[INFO] [stderr]   --> src/board.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 |     Left,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DownLeft`
[INFO] [stderr]   --> src/board.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 |     DownLeft,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `iterator`
[INFO] [stderr]   --> src/board.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 |     pub fn iterator() -> Iter<'static, Direction> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `DIRECTIONS`
[INFO] [stderr]   --> src/board.rs:86:9
[INFO] [stderr]    |
[INFO] [stderr] 86 | /         static DIRECTIONS: [Direction; 8] = [
[INFO] [stderr] 87 | |             Direction::Down,
[INFO] [stderr] 88 | |             Direction::DownRight,
[INFO] [stderr] 89 | |             Direction::Right,
[INFO] [stderr] ...  |
[INFO] [stderr] 94 | |             Direction::DownLeft,
[INFO] [stderr] 95 | |         ];
[INFO] [stderr]    | |__________^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/board.rs:135:5
[INFO] [stderr]     |
[INFO] [stderr] 135 |     pub fn new(size: usize) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_started`
[INFO] [stderr]    --> src/board.rs:155:5
[INFO] [stderr]     |
[INFO] [stderr] 155 |     pub fn is_started(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `possible_moves`
[INFO] [stderr]    --> src/board.rs:161:5
[INFO] [stderr]     |
[INFO] [stderr] 161 |     pub fn possible_moves(&self) -> Vec<&'static Direction> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `valid_move`
[INFO] [stderr]    --> src/board.rs:172:5
[INFO] [stderr]     |
[INFO] [stderr] 172 |     fn valid_move(&self, dir: Direction) -> Option<(usize, usize)> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_won`
[INFO] [stderr]    --> src/board.rs:203:5
[INFO] [stderr]     |
[INFO] [stderr] 203 |     pub fn is_won(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `ZERO`
[INFO] [stderr]    --> src/board.rs:204:9
[INFO] [stderr]     |
[INFO] [stderr] 204 |         static ZERO: u8 = 0 as u8;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_blocked`
[INFO] [stderr]    --> src/board.rs:210:5
[INFO] [stderr]     |
[INFO] [stderr] 210 |     pub fn is_blocked(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `score`
[INFO] [stderr]    --> src/board.rs:216:5
[INFO] [stderr]     |
[INFO] [stderr] 216 |     pub fn score(&self) -> usize {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `value_at`
[INFO] [stderr]    --> src/board.rs:222:5
[INFO] [stderr]     |
[INFO] [stderr] 222 |     pub fn value_at(&self, x: usize, y: usize) -> u8 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `start_at`
[INFO] [stderr]    --> src/board.rs:227:5
[INFO] [stderr]     |
[INFO] [stderr] 227 |     pub fn start_at(&mut self, x: usize, y: usize) -> Result<Board, BoardError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `next_move`
[INFO] [stderr]    --> src/board.rs:232:5
[INFO] [stderr]     |
[INFO] [stderr] 232 |     pub fn next_move(&mut self, dir: Direction) -> Result<Board, BoardError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_value`
[INFO] [stderr]    --> src/board.rs:250:5
[INFO] [stderr]     |
[INFO] [stderr] 250 |     fn set_value(&mut self, x: usize, y: usize, value: u8) -> Result<Board, BoardError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.84s
[INFO] running `"docker" "inspect" "c9e83cd1910685bd9f0c44190a466c94180a26cd9adbdb27a8dd58f47c242c37"`
[INFO] running `"docker" "rm" "-f" "c9e83cd1910685bd9f0c44190a466c94180a26cd9adbdb27a8dd58f47c242c37"`
[INFO] [stdout] c9e83cd1910685bd9f0c44190a466c94180a26cd9adbdb27a8dd58f47c242c37