Dec 11 07:15:21.013 INFO checking tubo28/reversi against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 07:15:21.013 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 11 07:15:21.312 INFO [stdout] 574002570b5c74fe51845e73f1a867b21c9dcb1b85c8a57dea672b349bdc3b16
Dec 11 07:15:21.312 INFO running `"docker" "start" "-a" "574002570b5c74fe51845e73f1a867b21c9dcb1b85c8a57dea672b349bdc3b16"`
Dec 11 07:15:22.055 INFO [stderr] usermod: no changes
Dec 11 07:15:22.089 INFO [stderr]     Checking reversi v0.1.0 (/source)
Dec 11 07:15:22.624 INFO [stderr] warning: struct is never constructed: `HumanPlayer`
Dec 11 07:15:22.624 INFO [stderr]    --> src/reversi.rs:476:1
Dec 11 07:15:22.624 INFO [stderr]     |
Dec 11 07:15:22.624 INFO [stderr] 476 | pub struct HumanPlayer;
Dec 11 07:15:22.624 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 07:15:22.624 INFO [stderr]     |
Dec 11 07:15:22.624 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 11 07:15:22.624 INFO [stderr] 
Dec 11 07:15:22.624 INFO [stderr] warning: method is never used: `new`
Dec 11 07:15:22.624 INFO [stderr]    --> src/reversi.rs:479:5
Dec 11 07:15:22.624 INFO [stderr]     |
Dec 11 07:15:22.624 INFO [stderr] 479 |     pub fn new() -> HumanPlayer {
Dec 11 07:15:22.624 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 07:15:22.624 INFO [stderr] 
Dec 11 07:15:22.648 INFO [stderr] warning: struct is never constructed: `HumanPlayer`
Dec 11 07:15:22.648 INFO [stderr]    --> src/reversi.rs:476:1
Dec 11 07:15:22.648 INFO [stderr]     |
Dec 11 07:15:22.648 INFO [stderr] 476 | pub struct HumanPlayer;
Dec 11 07:15:22.648 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 07:15:22.648 INFO [stderr]     |
Dec 11 07:15:22.648 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 11 07:15:22.648 INFO [stderr] 
Dec 11 07:15:22.648 INFO [stderr] warning: method is never used: `new`
Dec 11 07:15:22.648 INFO [stderr]    --> src/reversi.rs:479:5
Dec 11 07:15:22.648 INFO [stderr]     |
Dec 11 07:15:22.648 INFO [stderr] 479 |     pub fn new() -> HumanPlayer {
Dec 11 07:15:22.648 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 07:15:22.648 INFO [stderr] 
Dec 11 07:15:22.675 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
Dec 11 07:15:22.680 INFO [stderr] su: No module specific data is present
Dec 11 07:15:23.017 INFO running `"docker" "inspect" "574002570b5c74fe51845e73f1a867b21c9dcb1b85c8a57dea672b349bdc3b16"`
Dec 11 07:15:23.140 INFO running `"docker" "rm" "-f" "574002570b5c74fe51845e73f1a867b21c9dcb1b85c8a57dea672b349bdc3b16"`
Dec 11 07:15:23.259 INFO [stdout] 574002570b5c74fe51845e73f1a867b21c9dcb1b85c8a57dea672b349bdc3b16