Dec 19 18:12:01.875 INFO checking ddrcoder/rust-solver against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 18:12:01.875 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/ddrcoder/rust-solver:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 18:12:02.349 INFO [stdout] b4ecf470bf901dbbe35652e562d498daf226bbe77713443d440dcef9c52425db
Dec 19 18:12:02.351 INFO running `"docker" "start" "-a" "b4ecf470bf901dbbe35652e562d498daf226bbe77713443d440dcef9c52425db"`
Dec 19 18:12:04.388 INFO [stderr]     Checking n_array v0.1.3
Dec 19 18:12:04.388 INFO [stderr]     Checking rand v0.3.15
Dec 19 18:12:05.956 INFO [stderr]     Checking search v0.1.0 (/opt/crater/workdir)
Dec 19 18:12:06.652 INFO [stderr] warning: unused variable: `x`
Dec 19 18:12:06.652 INFO [stderr]   --> src/main.rs:59:10
Dec 19 18:12:06.652 INFO [stderr]    |
Dec 19 18:12:06.652 INFO [stderr] 59 |     let (x, y) = m.initial_snake[0];
Dec 19 18:12:06.652 INFO [stderr]    |          ^ help: consider using `_x` instead
Dec 19 18:12:06.652 INFO [stderr]    |
Dec 19 18:12:06.652 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 18:12:06.652 INFO [stderr] 
Dec 19 18:12:06.652 INFO [stderr] warning: unused variable: `y`
Dec 19 18:12:06.653 INFO [stderr]   --> src/main.rs:59:13
Dec 19 18:12:06.653 INFO [stderr]    |
Dec 19 18:12:06.653 INFO [stderr] 59 |     let (x, y) = m.initial_snake[0];
Dec 19 18:12:06.653 INFO [stderr]    |             ^ help: consider using `_y` instead
Dec 19 18:12:06.653 INFO [stderr] 
Dec 19 18:12:06.653 INFO [stderr] warning: unused variable: `worse`
Dec 19 18:12:06.653 INFO [stderr]    --> src/snake.rs:207:13
Dec 19 18:12:06.653 INFO [stderr]     |
Dec 19 18:12:06.653 INFO [stderr] 207 |         let worse = if a.fruits_left.count_ones() > b.fruits_left.count_ones() {
Dec 19 18:12:06.653 INFO [stderr]     |             ^^^^^ help: consider using `_worse` instead
Dec 19 18:12:06.653 INFO [stderr] 
Dec 19 18:12:06.712 INFO [stderr] warning: unused variable: `x`
Dec 19 18:12:06.712 INFO [stderr]   --> src/main.rs:59:10
Dec 19 18:12:06.712 INFO [stderr]    |
Dec 19 18:12:06.712 INFO [stderr] 59 |     let (x, y) = m.initial_snake[0];
Dec 19 18:12:06.712 INFO [stderr]    |          ^ help: consider using `_x` instead
Dec 19 18:12:06.712 INFO [stderr]    |
Dec 19 18:12:06.712 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 18:12:06.712 INFO [stderr] 
Dec 19 18:12:06.712 INFO [stderr] warning: unused variable: `y`
Dec 19 18:12:06.712 INFO [stderr]   --> src/main.rs:59:13
Dec 19 18:12:06.712 INFO [stderr]    |
Dec 19 18:12:06.712 INFO [stderr] 59 |     let (x, y) = m.initial_snake[0];
Dec 19 18:12:06.712 INFO [stderr]    |             ^ help: consider using `_y` instead
Dec 19 18:12:06.712 INFO [stderr] 
Dec 19 18:12:06.712 INFO [stderr] warning: unused variable: `worse`
Dec 19 18:12:06.712 INFO [stderr]    --> src/snake.rs:207:13
Dec 19 18:12:06.712 INFO [stderr]     |
Dec 19 18:12:06.712 INFO [stderr] 207 |         let worse = if a.fruits_left.count_ones() > b.fruits_left.count_ones() {
Dec 19 18:12:06.712 INFO [stderr]     |             ^^^^^ help: consider using `_worse` instead
Dec 19 18:12:06.712 INFO [stderr] 
Dec 19 18:12:06.772 INFO [stderr] warning: method is never used: `char`
Dec 19 18:12:06.772 INFO [stderr]   --> src/snake.rs:74:5
Dec 19 18:12:06.772 INFO [stderr]    |
Dec 19 18:12:06.772 INFO [stderr] 74 |     fn char(&self, x: usize, y: usize) -> char {
Dec 19 18:12:06.772 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:12:06.772 INFO [stderr]    |
Dec 19 18:12:06.772 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 18:12:06.772 INFO [stderr] 
Dec 19 18:12:06.772 INFO [stderr] warning: method is never used: `new`
Dec 19 18:12:06.772 INFO [stderr]    --> src/snake.rs:161:5
Dec 19 18:12:06.772 INFO [stderr]     |
Dec 19 18:12:06.772 INFO [stderr] 161 |     pub fn new() -> State {
Dec 19 18:12:06.772 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:12:06.772 INFO [stderr] 
Dec 19 18:12:06.916 INFO [stderr] warning: method is never used: `char`
Dec 19 18:12:06.916 INFO [stderr]   --> src/snake.rs:74:5
Dec 19 18:12:06.916 INFO [stderr]    |
Dec 19 18:12:06.916 INFO [stderr] 74 |     fn char(&self, x: usize, y: usize) -> char {
Dec 19 18:12:06.916 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:12:06.916 INFO [stderr]    |
Dec 19 18:12:06.916 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 18:12:06.916 INFO [stderr] 
Dec 19 18:12:06.916 INFO [stderr] warning: method is never used: `new`
Dec 19 18:12:06.916 INFO [stderr]    --> src/snake.rs:161:5
Dec 19 18:12:06.916 INFO [stderr]     |
Dec 19 18:12:06.916 INFO [stderr] 161 |     pub fn new() -> State {
Dec 19 18:12:06.916 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:12:06.916 INFO [stderr] 
Dec 19 18:12:06.964 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.62s
Dec 19 18:12:07.548 INFO running `"docker" "inspect" "b4ecf470bf901dbbe35652e562d498daf226bbe77713443d440dcef9c52425db"`
Dec 19 18:12:07.842 INFO running `"docker" "rm" "-f" "b4ecf470bf901dbbe35652e562d498daf226bbe77713443d440dcef9c52425db"`
Dec 19 18:12:08.192 INFO [stdout] b4ecf470bf901dbbe35652e562d498daf226bbe77713443d440dcef9c52425db