Dec 19 18:27:55.407 INFO checking danbruce/chess-rs against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 18:27:55.407 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/danbruce/chess-rs:/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 18:27:55.874 INFO [stdout] c1d0bf6e2a0fff3d91dd3636b39a8754e50f7a10434988831c4b029269cfafbf
Dec 19 18:27:55.878 INFO running `"docker" "start" "-a" "c1d0bf6e2a0fff3d91dd3636b39a8754e50f7a10434988831c4b029269cfafbf"`
Dec 19 18:27:57.488 INFO [stderr]     Checking chess v0.1.0 (/opt/crater/workdir)
Dec 19 18:27:57.852 INFO [stderr] warning: field is never used: `file`
Dec 19 18:27:57.852 INFO [stderr]  --> src/board.rs:7:5
Dec 19 18:27:57.852 INFO [stderr]   |
Dec 19 18:27:57.852 INFO [stderr] 7 |     file: u8,
Dec 19 18:27:57.852 INFO [stderr]   |     ^^^^^^^^
Dec 19 18:27:57.852 INFO [stderr]   |
Dec 19 18:27:57.852 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 18:27:57.852 INFO [stderr] 
Dec 19 18:27:57.852 INFO [stderr] warning: field is never used: `rank`
Dec 19 18:27:57.852 INFO [stderr]  --> src/board.rs:8:5
Dec 19 18:27:57.852 INFO [stderr]   |
Dec 19 18:27:57.852 INFO [stderr] 8 |     rank: u8,
Dec 19 18:27:57.852 INFO [stderr]   |     ^^^^^^^^
Dec 19 18:27:57.852 INFO [stderr] 
Dec 19 18:27:57.972 INFO [stderr] warning: field is never used: `file`
Dec 19 18:27:57.972 INFO [stderr]  --> src/board.rs:7:5
Dec 19 18:27:57.972 INFO [stderr]   |
Dec 19 18:27:57.972 INFO [stderr] 7 |     file: u8,
Dec 19 18:27:57.972 INFO [stderr]   |     ^^^^^^^^
Dec 19 18:27:57.972 INFO [stderr]   |
Dec 19 18:27:57.972 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 18:27:57.972 INFO [stderr] 
Dec 19 18:27:57.972 INFO [stderr] warning: field is never used: `rank`
Dec 19 18:27:57.972 INFO [stderr]  --> src/board.rs:8:5
Dec 19 18:27:57.972 INFO [stderr]   |
Dec 19 18:27:57.972 INFO [stderr] 8 |     rank: u8,
Dec 19 18:27:57.972 INFO [stderr]   |     ^^^^^^^^
Dec 19 18:27:57.972 INFO [stderr] 
Dec 19 18:27:58.014 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
Dec 19 18:27:58.702 INFO running `"docker" "inspect" "c1d0bf6e2a0fff3d91dd3636b39a8754e50f7a10434988831c4b029269cfafbf"`
Dec 19 18:27:59.000 INFO running `"docker" "rm" "-f" "c1d0bf6e2a0fff3d91dd3636b39a8754e50f7a10434988831c4b029269cfafbf"`
Dec 19 18:27:59.328 INFO [stdout] c1d0bf6e2a0fff3d91dd3636b39a8754e50f7a10434988831c4b029269cfafbf