Dec 04 20:04:19.613 INFO checking ddrcoder/rust-solver against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 20:04:19.613 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 20:04:19.776 INFO [stdout] 96c6186bda47e9aec9a59bf952ca8d7f9d4110d7c07569f3f6c2f353d4c4d001
Dec 04 20:04:19.781 INFO running `"docker" "start" "-a" "96c6186bda47e9aec9a59bf952ca8d7f9d4110d7c07569f3f6c2f353d4c4d001"`
Dec 04 20:04:21.082 INFO [stderr] usermod: no changes
Dec 04 20:04:21.155 INFO [stderr]     Checking n_array v0.1.3
Dec 04 20:04:21.163 INFO [stderr]     Checking rand v0.3.15
Dec 04 20:04:22.739 INFO [stderr]     Checking search v0.1.0 (/source)
Dec 04 20:04:23.747 INFO [stderr] warning: unused variable: `x`
Dec 04 20:04:23.748 INFO [stderr]   --> src/main.rs:59:10
Dec 04 20:04:23.748 INFO [stderr]    |
Dec 04 20:04:23.748 INFO [stderr] 59 |     let (x, y) = m.initial_snake[0];
Dec 04 20:04:23.749 INFO [stderr]    |          ^ help: consider using `_x` instead
Dec 04 20:04:23.749 INFO [stderr]    |
Dec 04 20:04:23.749 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 20:04:23.749 INFO [stderr] 
Dec 04 20:04:23.749 INFO [stderr] warning: unused variable: `y`
Dec 04 20:04:23.749 INFO [stderr]   --> src/main.rs:59:13
Dec 04 20:04:23.749 INFO [stderr]    |
Dec 04 20:04:23.749 INFO [stderr] 59 |     let (x, y) = m.initial_snake[0];
Dec 04 20:04:23.749 INFO [stderr]    |             ^ help: consider using `_y` instead
Dec 04 20:04:23.749 INFO [stderr] 
Dec 04 20:04:23.767 INFO [stderr] warning: unused variable: `worse`
Dec 04 20:04:23.767 INFO [stderr]    --> src/snake.rs:207:13
Dec 04 20:04:23.767 INFO [stderr]     |
Dec 04 20:04:23.767 INFO [stderr] 207 |         let worse = if a.fruits_left.count_ones() > b.fruits_left.count_ones() {
Dec 04 20:04:23.767 INFO [stderr]     |             ^^^^^ help: consider using `_worse` instead
Dec 04 20:04:23.767 INFO [stderr] 
Dec 04 20:04:23.939 INFO [stderr] warning: method is never used: `char`
Dec 04 20:04:23.939 INFO [stderr]   --> src/snake.rs:74:5
Dec 04 20:04:23.939 INFO [stderr]    |
Dec 04 20:04:23.939 INFO [stderr] 74 |     fn char(&self, x: usize, y: usize) -> char {
Dec 04 20:04:23.939 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:04:23.939 INFO [stderr]    |
Dec 04 20:04:23.939 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 20:04:23.939 INFO [stderr] 
Dec 04 20:04:23.939 INFO [stderr] warning: method is never used: `new`
Dec 04 20:04:23.939 INFO [stderr]    --> src/snake.rs:161:5
Dec 04 20:04:23.939 INFO [stderr]     |
Dec 04 20:04:23.939 INFO [stderr] 161 |     pub fn new() -> State {
Dec 04 20:04:23.940 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:04:23.940 INFO [stderr] 
Dec 04 20:04:23.979 INFO [stderr] warning: unused variable: `x`
Dec 04 20:04:23.979 INFO [stderr]   --> src/main.rs:59:10
Dec 04 20:04:23.979 INFO [stderr]    |
Dec 04 20:04:23.979 INFO [stderr] 59 |     let (x, y) = m.initial_snake[0];
Dec 04 20:04:23.979 INFO [stderr]    |          ^ help: consider using `_x` instead
Dec 04 20:04:23.979 INFO [stderr]    |
Dec 04 20:04:23.979 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 20:04:23.979 INFO [stderr] 
Dec 04 20:04:23.979 INFO [stderr] warning: unused variable: `y`
Dec 04 20:04:23.979 INFO [stderr]   --> src/main.rs:59:13
Dec 04 20:04:23.979 INFO [stderr]    |
Dec 04 20:04:23.979 INFO [stderr] 59 |     let (x, y) = m.initial_snake[0];
Dec 04 20:04:23.979 INFO [stderr]    |             ^ help: consider using `_y` instead
Dec 04 20:04:23.979 INFO [stderr] 
Dec 04 20:04:23.979 INFO [stderr] warning: unused variable: `worse`
Dec 04 20:04:23.979 INFO [stderr]    --> src/snake.rs:207:13
Dec 04 20:04:23.979 INFO [stderr]     |
Dec 04 20:04:23.979 INFO [stderr] 207 |         let worse = if a.fruits_left.count_ones() > b.fruits_left.count_ones() {
Dec 04 20:04:23.979 INFO [stderr]     |             ^^^^^ help: consider using `_worse` instead
Dec 04 20:04:23.979 INFO [stderr] 
Dec 04 20:04:24.131 INFO [stderr] warning: method is never used: `char`
Dec 04 20:04:24.131 INFO [stderr]   --> src/snake.rs:74:5
Dec 04 20:04:24.131 INFO [stderr]    |
Dec 04 20:04:24.131 INFO [stderr] 74 |     fn char(&self, x: usize, y: usize) -> char {
Dec 04 20:04:24.131 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:04:24.131 INFO [stderr]    |
Dec 04 20:04:24.131 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 20:04:24.131 INFO [stderr] 
Dec 04 20:04:24.131 INFO [stderr] warning: method is never used: `new`
Dec 04 20:04:24.132 INFO [stderr]    --> src/snake.rs:161:5
Dec 04 20:04:24.132 INFO [stderr]     |
Dec 04 20:04:24.132 INFO [stderr] 161 |     pub fn new() -> State {
Dec 04 20:04:24.133 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:04:24.133 INFO [stderr] 
Dec 04 20:04:24.167 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.07s
Dec 04 20:04:24.170 INFO [stderr] su: No module specific data is present
Dec 04 20:04:25.384 INFO running `"docker" "inspect" "96c6186bda47e9aec9a59bf952ca8d7f9d4110d7c07569f3f6c2f353d4c4d001"`
Dec 04 20:04:25.785 INFO running `"docker" "rm" "-f" "96c6186bda47e9aec9a59bf952ca8d7f9d4110d7c07569f3f6c2f353d4c4d001"`
Dec 04 20:04:26.195 INFO [stdout] 96c6186bda47e9aec9a59bf952ca8d7f9d4110d7c07569f3f6c2f353d4c4d001