Dec 04 15:15:23.855 INFO checking lesguillemets/curly-octo-funicular against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 15:15:23.856 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 15:15:24.281 INFO [stdout] c95f6c7af7a20a6ed2380383f42f3b7f80448752d0bb6c7f952bfb46c284edcc
Dec 04 15:15:24.289 INFO running `"docker" "start" "-a" "c95f6c7af7a20a6ed2380383f42f3b7f80448752d0bb6c7f952bfb46c284edcc"`
Dec 04 15:15:25.151 INFO [stderr] usermod: no changes
Dec 04 15:15:25.192 INFO [stderr]     Checking reversi v0.1.0 (/source)
Dec 04 15:15:25.517 INFO [stderr] warning: unused import: `std::io`
Dec 04 15:15:25.518 INFO [stderr]  --> src/board.rs:2:5
Dec 04 15:15:25.518 INFO [stderr]   |
Dec 04 15:15:25.518 INFO [stderr] 2 | use std::io;
Dec 04 15:15:25.518 INFO [stderr]   |     ^^^^^^^
Dec 04 15:15:25.518 INFO [stderr]   |
Dec 04 15:15:25.518 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 15:15:25.518 INFO [stderr] 
Dec 04 15:15:25.518 INFO [stderr] warning: unused import: `std::io`
Dec 04 15:15:25.518 INFO [stderr]  --> src/face.rs:2:5
Dec 04 15:15:25.518 INFO [stderr]   |
Dec 04 15:15:25.518 INFO [stderr] 2 | use std::io;
Dec 04 15:15:25.518 INFO [stderr]   |     ^^^^^^^
Dec 04 15:15:25.518 INFO [stderr] 
Dec 04 15:15:25.518 INFO [stderr] warning: unused import: `std::fmt`
Dec 04 15:15:25.518 INFO [stderr]  --> src/main.rs:5:5
Dec 04 15:15:25.518 INFO [stderr]   |
Dec 04 15:15:25.518 INFO [stderr] 5 | use std::fmt;
Dec 04 15:15:25.518 INFO [stderr]   |     ^^^^^^^^
Dec 04 15:15:25.518 INFO [stderr] 
Dec 04 15:15:25.626 INFO [stderr] warning: function cannot return without recursing
Dec 04 15:15:25.626 INFO [stderr]   --> src/main.rs:17:1
Dec 04 15:15:25.626 INFO [stderr]    |
Dec 04 15:15:25.626 INFO [stderr] 17 | fn main_loop(board: &Board, player: Face) -> () {
Dec 04 15:15:25.626 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
Dec 04 15:15:25.628 INFO [stderr] ...
Dec 04 15:15:25.628 INFO [stderr] 22 |             main_loop(&b, player.not())
Dec 04 15:15:25.628 INFO [stderr]    |             --------------------------- recursive call site
Dec 04 15:15:25.628 INFO [stderr] ...
Dec 04 15:15:25.628 INFO [stderr] 26 |             main_loop(board, player)
Dec 04 15:15:25.628 INFO [stderr]    |             ------------------------ recursive call site
Dec 04 15:15:25.628 INFO [stderr]    |
Dec 04 15:15:25.628 INFO [stderr]    = note: #[warn(unconditional_recursion)] on by default
Dec 04 15:15:25.628 INFO [stderr]    = help: a `loop` may express intention better if this is on purpose
Dec 04 15:15:25.628 INFO [stderr] 
Dec 04 15:15:25.678 INFO [stderr] warning: method is never used: `count_bw`
Dec 04 15:15:25.678 INFO [stderr]   --> src/board.rs:81:5
Dec 04 15:15:25.678 INFO [stderr]    |
Dec 04 15:15:25.678 INFO [stderr] 81 |     pub fn count_bw(&self) -> (usize, usize) {
Dec 04 15:15:25.678 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:15:25.678 INFO [stderr]    |
Dec 04 15:15:25.678 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 15:15:25.678 INFO [stderr] 
Dec 04 15:15:25.678 INFO [stderr] warning: method is never used: `print_count`
Dec 04 15:15:25.678 INFO [stderr]   --> src/board.rs:96:5
Dec 04 15:15:25.678 INFO [stderr]    |
Dec 04 15:15:25.678 INFO [stderr] 96 |     pub fn print_count(&self) -> () {
Dec 04 15:15:25.678 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:15:25.678 INFO [stderr] 
Dec 04 15:15:25.678 INFO [stderr] warning: method is never used: `flip`
Dec 04 15:15:25.678 INFO [stderr]   --> src/face.rs:27:5
Dec 04 15:15:25.678 INFO [stderr]    |
Dec 04 15:15:25.678 INFO [stderr] 27 |     pub fn flip(&mut self) -> () {
Dec 04 15:15:25.678 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:15:25.678 INFO [stderr] 
Dec 04 15:15:25.787 INFO [stderr] warning: unused import: `std::io`
Dec 04 15:15:25.787 INFO [stderr]  --> src/board.rs:2:5
Dec 04 15:15:25.787 INFO [stderr]   |
Dec 04 15:15:25.787 INFO [stderr] 2 | use std::io;
Dec 04 15:15:25.787 INFO [stderr]   |     ^^^^^^^
Dec 04 15:15:25.787 INFO [stderr]   |
Dec 04 15:15:25.787 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 15:15:25.787 INFO [stderr] 
Dec 04 15:15:25.787 INFO [stderr] warning: unused import: `std::io`
Dec 04 15:15:25.787 INFO [stderr]  --> src/face.rs:2:5
Dec 04 15:15:25.787 INFO [stderr]   |
Dec 04 15:15:25.787 INFO [stderr] 2 | use std::io;
Dec 04 15:15:25.787 INFO [stderr]   |     ^^^^^^^
Dec 04 15:15:25.787 INFO [stderr] 
Dec 04 15:15:25.787 INFO [stderr] warning: unused import: `std::fmt`
Dec 04 15:15:25.787 INFO [stderr]  --> src/main.rs:5:5
Dec 04 15:15:25.787 INFO [stderr]   |
Dec 04 15:15:25.787 INFO [stderr] 5 | use std::fmt;
Dec 04 15:15:25.787 INFO [stderr]   |     ^^^^^^^^
Dec 04 15:15:25.787 INFO [stderr] 
Dec 04 15:15:25.874 INFO [stderr] warning: function cannot return without recursing
Dec 04 15:15:25.875 INFO [stderr]   --> src/main.rs:17:1
Dec 04 15:15:25.875 INFO [stderr]    |
Dec 04 15:15:25.875 INFO [stderr] 17 | fn main_loop(board: &Board, player: Face) -> () {
Dec 04 15:15:25.875 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
Dec 04 15:15:25.875 INFO [stderr] ...
Dec 04 15:15:25.875 INFO [stderr] 22 |             main_loop(&b, player.not())
Dec 04 15:15:25.875 INFO [stderr]    |             --------------------------- recursive call site
Dec 04 15:15:25.875 INFO [stderr] ...
Dec 04 15:15:25.875 INFO [stderr] 26 |             main_loop(board, player)
Dec 04 15:15:25.875 INFO [stderr]    |             ------------------------ recursive call site
Dec 04 15:15:25.879 INFO [stderr]    |
Dec 04 15:15:25.879 INFO [stderr]    = note: #[warn(unconditional_recursion)] on by default
Dec 04 15:15:25.879 INFO [stderr]    = help: a `loop` may express intention better if this is on purpose
Dec 04 15:15:25.879 INFO [stderr] 
Dec 04 15:15:25.898 INFO [stderr] warning: method is never used: `count_bw`
Dec 04 15:15:25.898 INFO [stderr]   --> src/board.rs:81:5
Dec 04 15:15:25.898 INFO [stderr]    |
Dec 04 15:15:25.899 INFO [stderr] 81 |     pub fn count_bw(&self) -> (usize, usize) {
Dec 04 15:15:25.899 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:15:25.899 INFO [stderr]    |
Dec 04 15:15:25.899 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 15:15:25.900 INFO [stderr] 
Dec 04 15:15:25.900 INFO [stderr] warning: method is never used: `print_count`
Dec 04 15:15:25.900 INFO [stderr]   --> src/board.rs:96:5
Dec 04 15:15:25.900 INFO [stderr]    |
Dec 04 15:15:25.900 INFO [stderr] 96 |     pub fn print_count(&self) -> () {
Dec 04 15:15:25.900 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:15:25.900 INFO [stderr] 
Dec 04 15:15:25.902 INFO [stderr] warning: method is never used: `flip`
Dec 04 15:15:25.902 INFO [stderr]   --> src/face.rs:27:5
Dec 04 15:15:25.902 INFO [stderr]    |
Dec 04 15:15:25.902 INFO [stderr] 27 |     pub fn flip(&mut self) -> () {
Dec 04 15:15:25.902 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:15:25.902 INFO [stderr] 
Dec 04 15:15:25.940 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
Dec 04 15:15:25.943 INFO [stderr] su: No module specific data is present
Dec 04 15:15:26.412 INFO running `"docker" "inspect" "c95f6c7af7a20a6ed2380383f42f3b7f80448752d0bb6c7f952bfb46c284edcc"`
Dec 04 15:15:26.569 INFO running `"docker" "rm" "-f" "c95f6c7af7a20a6ed2380383f42f3b7f80448752d0bb6c7f952bfb46c284edcc"`
Dec 04 15:15:27.019 INFO [stdout] c95f6c7af7a20a6ed2380383f42f3b7f80448752d0bb6c7f952bfb46c284edcc