Dec 11 20:12:00.529 INFO checking danbruce/chess-rs against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 20:12:00.529 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 20:12:00.966 INFO [stdout] 0f43141bf8449dbb1b8e56594ad3cc6a9a5adf5f332bc0361db28a4961d3c562
Dec 11 20:12:00.972 INFO running `"docker" "start" "-a" "0f43141bf8449dbb1b8e56594ad3cc6a9a5adf5f332bc0361db28a4961d3c562"`
Dec 11 20:12:02.424 INFO [stderr] usermod: no changes
Dec 11 20:12:02.476 INFO [stderr]     Checking chess v0.1.0 (/source)
Dec 11 20:12:02.946 INFO [stderr] warning: field is never used: `file`
Dec 11 20:12:02.946 INFO [stderr]  --> src/board.rs:7:5
Dec 11 20:12:02.946 INFO [stderr]   |
Dec 11 20:12:02.946 INFO [stderr] 7 |     file: u8,
Dec 11 20:12:02.946 INFO [stderr]   |     ^^^^^^^^
Dec 11 20:12:02.947 INFO [stderr]   |
Dec 11 20:12:02.948 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 20:12:02.948 INFO [stderr] 
Dec 11 20:12:02.948 INFO [stderr] warning: field is never used: `rank`
Dec 11 20:12:02.948 INFO [stderr]  --> src/board.rs:8:5
Dec 11 20:12:02.948 INFO [stderr]   |
Dec 11 20:12:02.948 INFO [stderr] 8 |     rank: u8,
Dec 11 20:12:02.948 INFO [stderr]   |     ^^^^^^^^
Dec 11 20:12:02.948 INFO [stderr] 
Dec 11 20:12:03.263 INFO [stderr] warning: field is never used: `file`
Dec 11 20:12:03.263 INFO [stderr]  --> src/board.rs:7:5
Dec 11 20:12:03.263 INFO [stderr]   |
Dec 11 20:12:03.263 INFO [stderr] 7 |     file: u8,
Dec 11 20:12:03.263 INFO [stderr]   |     ^^^^^^^^
Dec 11 20:12:03.263 INFO [stderr]   |
Dec 11 20:12:03.263 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 20:12:03.263 INFO [stderr] 
Dec 11 20:12:03.263 INFO [stderr] warning: field is never used: `rank`
Dec 11 20:12:03.263 INFO [stderr]  --> src/board.rs:8:5
Dec 11 20:12:03.263 INFO [stderr]   |
Dec 11 20:12:03.263 INFO [stderr] 8 |     rank: u8,
Dec 11 20:12:03.263 INFO [stderr]   |     ^^^^^^^^
Dec 11 20:12:03.264 INFO [stderr] 
Dec 11 20:12:03.301 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
Dec 11 20:12:03.302 INFO [stderr] su: No module specific data is present
Dec 11 20:12:04.064 INFO running `"docker" "inspect" "0f43141bf8449dbb1b8e56594ad3cc6a9a5adf5f332bc0361db28a4961d3c562"`
Dec 11 20:12:04.424 INFO running `"docker" "rm" "-f" "0f43141bf8449dbb1b8e56594ad3cc6a9a5adf5f332bc0361db28a4961d3c562"`
Dec 11 20:12:04.761 INFO [stdout] 0f43141bf8449dbb1b8e56594ad3cc6a9a5adf5f332bc0361db28a4961d3c562