Dec 11 09:51:20.945 INFO checking sebm/checkers against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 09:51:20.946 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 09:51:21.456 INFO [stdout] 6dbedc3a7754fa09a9c0ac1a4777056c28d95096512d0942f9d7929e74179c25
Dec 11 09:51:21.458 INFO running `"docker" "start" "-a" "6dbedc3a7754fa09a9c0ac1a4777056c28d95096512d0942f9d7929e74179c25"`
Dec 11 09:51:22.747 INFO [stderr] usermod: no changes
Dec 11 09:51:22.784 INFO [stderr]     Checking checkers v0.1.0 (/source)
Dec 11 09:51:23.226 INFO [stderr] warning: unused import: `initial_board`
Dec 11 09:51:23.226 INFO [stderr]  --> src/main.rs:4:26
Dec 11 09:51:23.226 INFO [stderr]   |
Dec 11 09:51:23.226 INFO [stderr] 4 | use board::{BoardSquare, initial_board, draw_board};
Dec 11 09:51:23.226 INFO [stderr]   |                          ^^^^^^^^^^^^^
Dec 11 09:51:23.226 INFO [stderr]   |
Dec 11 09:51:23.226 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 09:51:23.226 INFO [stderr] 
Dec 11 09:51:23.324 INFO [stderr] warning: unused import: `initial_board`
Dec 11 09:51:23.324 INFO [stderr]  --> src/main.rs:4:26
Dec 11 09:51:23.324 INFO [stderr]   |
Dec 11 09:51:23.324 INFO [stderr] 4 | use board::{BoardSquare, initial_board, draw_board};
Dec 11 09:51:23.324 INFO [stderr]   |                          ^^^^^^^^^^^^^
Dec 11 09:51:23.324 INFO [stderr]   |
Dec 11 09:51:23.324 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 09:51:23.324 INFO [stderr] 
Dec 11 09:51:23.430 INFO [stderr] warning: function is never used: `initial_board`
Dec 11 09:51:23.430 INFO [stderr]   --> src/board.rs:26:1
Dec 11 09:51:23.430 INFO [stderr]    |
Dec 11 09:51:23.430 INFO [stderr] 26 | pub fn initial_board() -> [[BoardSquare; 8]; 8] {
Dec 11 09:51:23.430 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 09:51:23.430 INFO [stderr]    |
Dec 11 09:51:23.430 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 09:51:23.430 INFO [stderr] 
Dec 11 09:51:23.496 INFO [stderr] warning: function is never used: `initial_board`
Dec 11 09:51:23.496 INFO [stderr]   --> src/board.rs:26:1
Dec 11 09:51:23.496 INFO [stderr]    |
Dec 11 09:51:23.496 INFO [stderr] 26 | pub fn initial_board() -> [[BoardSquare; 8]; 8] {
Dec 11 09:51:23.496 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 09:51:23.496 INFO [stderr]    |
Dec 11 09:51:23.496 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 09:51:23.496 INFO [stderr] 
Dec 11 09:51:23.515 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
Dec 11 09:51:23.520 INFO [stderr] su: No module specific data is present
Dec 11 09:51:24.322 INFO running `"docker" "inspect" "6dbedc3a7754fa09a9c0ac1a4777056c28d95096512d0942f9d7929e74179c25"`
Dec 11 09:51:24.744 INFO running `"docker" "rm" "-f" "6dbedc3a7754fa09a9c0ac1a4777056c28d95096512d0942f9d7929e74179c25"`
Dec 11 09:51:25.152 INFO [stdout] 6dbedc3a7754fa09a9c0ac1a4777056c28d95096512d0942f9d7929e74179c25