Dec 18 01:35:16.665 INFO checking ddrcoder/rust-solver against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 01:35:16.665 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 01:35:17.046 INFO [stdout] f96ea5e50cbc606231b249944bf4f4c1ee97685796700f3c5a2defc68d2d0a63
Dec 18 01:35:17.050 INFO running `"docker" "start" "-a" "f96ea5e50cbc606231b249944bf4f4c1ee97685796700f3c5a2defc68d2d0a63"`
Dec 18 01:35:18.316 INFO [stderr]     Checking n_array v0.1.3
Dec 18 01:35:18.316 INFO [stderr]     Checking rand v0.3.15
Dec 18 01:35:19.584 INFO [stderr]     Checking search v0.1.0 (/opt/crater/workdir)
Dec 18 01:35:20.060 INFO [stderr] warning: unused variable: `x`
Dec 18 01:35:20.061 INFO [stderr]   --> src/main.rs:59:10
Dec 18 01:35:20.061 INFO [stderr]    |
Dec 18 01:35:20.061 INFO [stderr] 59 |     let (x, y) = m.initial_snake[0];
Dec 18 01:35:20.062 INFO [stderr]    |          ^ help: consider using `_x` instead
Dec 18 01:35:20.062 INFO [stderr]    |
Dec 18 01:35:20.062 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 01:35:20.062 INFO [stderr] 
Dec 18 01:35:20.063 INFO [stderr] warning: unused variable: `y`
Dec 18 01:35:20.063 INFO [stderr]   --> src/main.rs:59:13
Dec 18 01:35:20.063 INFO [stderr]    |
Dec 18 01:35:20.063 INFO [stderr] 59 |     let (x, y) = m.initial_snake[0];
Dec 18 01:35:20.064 INFO [stderr]    |             ^ help: consider using `_y` instead
Dec 18 01:35:20.064 INFO [stderr] 
Dec 18 01:35:20.064 INFO [stderr] warning: unused variable: `worse`
Dec 18 01:35:20.065 INFO [stderr]    --> src/snake.rs:207:13
Dec 18 01:35:20.065 INFO [stderr]     |
Dec 18 01:35:20.065 INFO [stderr] 207 |         let worse = if a.fruits_left.count_ones() > b.fruits_left.count_ones() {
Dec 18 01:35:20.065 INFO [stderr]     |             ^^^^^ help: consider using `_worse` instead
Dec 18 01:35:20.066 INFO [stderr] 
Dec 18 01:35:20.080 INFO [stderr] warning: unused variable: `x`
Dec 18 01:35:20.080 INFO [stderr]   --> src/main.rs:59:10
Dec 18 01:35:20.080 INFO [stderr]    |
Dec 18 01:35:20.080 INFO [stderr] 59 |     let (x, y) = m.initial_snake[0];
Dec 18 01:35:20.080 INFO [stderr]    |          ^ help: consider using `_x` instead
Dec 18 01:35:20.080 INFO [stderr]    |
Dec 18 01:35:20.080 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 01:35:20.080 INFO [stderr] 
Dec 18 01:35:20.080 INFO [stderr] warning: unused variable: `y`
Dec 18 01:35:20.080 INFO [stderr]   --> src/main.rs:59:13
Dec 18 01:35:20.080 INFO [stderr]    |
Dec 18 01:35:20.081 INFO [stderr] 59 |     let (x, y) = m.initial_snake[0];
Dec 18 01:35:20.081 INFO [stderr]    |             ^ help: consider using `_y` instead
Dec 18 01:35:20.081 INFO [stderr] 
Dec 18 01:35:20.081 INFO [stderr] warning: unused variable: `worse`
Dec 18 01:35:20.081 INFO [stderr]    --> src/snake.rs:207:13
Dec 18 01:35:20.081 INFO [stderr]     |
Dec 18 01:35:20.081 INFO [stderr] 207 |         let worse = if a.fruits_left.count_ones() > b.fruits_left.count_ones() {
Dec 18 01:35:20.081 INFO [stderr]     |             ^^^^^ help: consider using `_worse` instead
Dec 18 01:35:20.081 INFO [stderr] 
Dec 18 01:35:20.147 INFO [stderr] warning: method is never used: `char`
Dec 18 01:35:20.147 INFO [stderr]   --> src/snake.rs:74:5
Dec 18 01:35:20.147 INFO [stderr]    |
Dec 18 01:35:20.147 INFO [stderr] 74 |     fn char(&self, x: usize, y: usize) -> char {
Dec 18 01:35:20.147 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:35:20.147 INFO [stderr]    |
Dec 18 01:35:20.147 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 01:35:20.147 INFO [stderr] 
Dec 18 01:35:20.147 INFO [stderr] warning: method is never used: `new`
Dec 18 01:35:20.147 INFO [stderr]    --> src/snake.rs:161:5
Dec 18 01:35:20.147 INFO [stderr]     |
Dec 18 01:35:20.147 INFO [stderr] 161 |     pub fn new() -> State {
Dec 18 01:35:20.147 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:35:20.147 INFO [stderr] 
Dec 18 01:35:20.167 INFO [stderr] warning: method is never used: `char`
Dec 18 01:35:20.167 INFO [stderr]   --> src/snake.rs:74:5
Dec 18 01:35:20.167 INFO [stderr]    |
Dec 18 01:35:20.167 INFO [stderr] 74 |     fn char(&self, x: usize, y: usize) -> char {
Dec 18 01:35:20.167 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:35:20.167 INFO [stderr]    |
Dec 18 01:35:20.167 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 01:35:20.167 INFO [stderr] 
Dec 18 01:35:20.168 INFO [stderr] warning: method is never used: `new`
Dec 18 01:35:20.168 INFO [stderr]    --> src/snake.rs:161:5
Dec 18 01:35:20.168 INFO [stderr]     |
Dec 18 01:35:20.168 INFO [stderr] 161 |     pub fn new() -> State {
Dec 18 01:35:20.168 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:35:20.168 INFO [stderr] 
Dec 18 01:35:20.245 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.94s
Dec 18 01:35:20.584 INFO running `"docker" "inspect" "f96ea5e50cbc606231b249944bf4f4c1ee97685796700f3c5a2defc68d2d0a63"`
Dec 18 01:35:20.694 INFO running `"docker" "rm" "-f" "f96ea5e50cbc606231b249944bf4f4c1ee97685796700f3c5a2defc68d2d0a63"`
Dec 18 01:35:20.801 INFO [stdout] f96ea5e50cbc606231b249944bf4f4c1ee97685796700f3c5a2defc68d2d0a63