Nov 27 20:47:56.395 INFO checking sebm/checkers against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 27 20:47:56.395 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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"`
Nov 27 20:47:56.904 INFO [stdout] 327da6df6dbd3f2fefb6da5cd0287e2193e9126c737636df88e4306cfd99cffd
Nov 27 20:47:56.933 INFO running `"docker" "start" "-a" "327da6df6dbd3f2fefb6da5cd0287e2193e9126c737636df88e4306cfd99cffd"`
Nov 27 20:47:58.085 INFO [stderr] usermod: no changes
Nov 27 20:47:58.141 INFO [stderr]     Checking checkers v0.1.0 (/source)
Nov 27 20:47:58.372 INFO [stderr] warning: unused import: `initial_board`
Nov 27 20:47:58.374 INFO [stderr]  --> src/main.rs:4:26
Nov 27 20:47:58.374 INFO [stderr]   |
Nov 27 20:47:58.374 INFO [stderr] 4 | use board::{BoardSquare, initial_board, draw_board};
Nov 27 20:47:58.374 INFO [stderr]   |                          ^^^^^^^^^^^^^
Nov 27 20:47:58.374 INFO [stderr]   |
Nov 27 20:47:58.374 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 27 20:47:58.374 INFO [stderr] 
Nov 27 20:47:58.421 INFO [stderr] warning: unused import: `initial_board`
Nov 27 20:47:58.421 INFO [stderr]  --> src/main.rs:4:26
Nov 27 20:47:58.421 INFO [stderr]   |
Nov 27 20:47:58.421 INFO [stderr] 4 | use board::{BoardSquare, initial_board, draw_board};
Nov 27 20:47:58.421 INFO [stderr]   |                          ^^^^^^^^^^^^^
Nov 27 20:47:58.421 INFO [stderr]   |
Nov 27 20:47:58.421 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 27 20:47:58.421 INFO [stderr] 
Nov 27 20:47:58.496 INFO [stderr] warning: function is never used: `initial_board`
Nov 27 20:47:58.496 INFO [stderr]   --> src/board.rs:26:1
Nov 27 20:47:58.496 INFO [stderr]    |
Nov 27 20:47:58.496 INFO [stderr] 26 | pub fn initial_board() -> [[BoardSquare; 8]; 8] {
Nov 27 20:47:58.496 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:47:58.497 INFO [stderr]    |
Nov 27 20:47:58.497 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 27 20:47:58.497 INFO [stderr] 
Nov 27 20:47:58.568 INFO [stderr] warning: function is never used: `initial_board`
Nov 27 20:47:58.568 INFO [stderr]   --> src/board.rs:26:1
Nov 27 20:47:58.568 INFO [stderr]    |
Nov 27 20:47:58.568 INFO [stderr] 26 | pub fn initial_board() -> [[BoardSquare; 8]; 8] {
Nov 27 20:47:58.568 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:47:58.568 INFO [stderr]    |
Nov 27 20:47:58.568 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 27 20:47:58.568 INFO [stderr] 
Nov 27 20:47:58.596 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
Nov 27 20:47:58.596 INFO [stderr] su: No module specific data is present
Nov 27 20:47:59.219 INFO running `"docker" "inspect" "327da6df6dbd3f2fefb6da5cd0287e2193e9126c737636df88e4306cfd99cffd"`
Nov 27 20:47:59.643 INFO running `"docker" "rm" "-f" "327da6df6dbd3f2fefb6da5cd0287e2193e9126c737636df88e4306cfd99cffd"`
Nov 27 20:47:59.988 INFO [stdout] 327da6df6dbd3f2fefb6da5cd0287e2193e9126c737636df88e4306cfd99cffd