Dec 04 19:46:34.479 INFO checking djmcgill/Rubble against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 19:46:34.479 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 04 19:46:35.022 INFO [stdout] 25702f66e4e011fad2bacf60a662aca4e034b4f0f1434693e01162123a983034
Dec 04 19:46:35.024 INFO running `"docker" "start" "-a" "25702f66e4e011fad2bacf60a662aca4e034b4f0f1434693e01162123a983034"`
Dec 04 19:46:37.047 INFO [stderr] usermod: no changes
Dec 04 19:46:37.155 INFO [stderr]     Checking rubble v0.1.0 (/source)
Dec 04 19:46:37.883 INFO [stderr] warning: constant item is never used: `HAND_LIMIT`
Dec 04 19:46:37.883 INFO [stderr]  --> src/main.rs:8:1
Dec 04 19:46:37.883 INFO [stderr]   |
Dec 04 19:46:37.884 INFO [stderr] 8 | const HAND_LIMIT: usize = 7;
Dec 04 19:46:37.884 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 19:46:37.884 INFO [stderr]   |
Dec 04 19:46:37.884 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 19:46:37.885 INFO [stderr] 
Dec 04 19:46:37.885 INFO [stderr] warning: variant is never constructed: `Placed`
Dec 04 19:46:37.885 INFO [stderr]   --> src/main.rs:28:5
Dec 04 19:46:37.885 INFO [stderr]    |
Dec 04 19:46:37.886 INFO [stderr] 28 |     Placed(char),
Dec 04 19:46:37.886 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 04 19:46:37.886 INFO [stderr] 
Dec 04 19:46:37.886 INFO [stderr] warning: variant is never constructed: `Bonus`
Dec 04 19:46:37.887 INFO [stderr]   --> src/main.rs:29:5
Dec 04 19:46:37.887 INFO [stderr]    |
Dec 04 19:46:37.887 INFO [stderr] 29 |     Bonus(Bonus),
Dec 04 19:46:37.887 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 04 19:46:37.887 INFO [stderr] 
Dec 04 19:46:37.888 INFO [stderr] warning: variant is never constructed: `DoubleLetter`
Dec 04 19:46:37.888 INFO [stderr]   --> src/main.rs:42:5
Dec 04 19:46:37.888 INFO [stderr]    |
Dec 04 19:46:37.888 INFO [stderr] 42 |     DoubleLetter,
Dec 04 19:46:37.889 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 04 19:46:37.889 INFO [stderr] 
Dec 04 19:46:37.889 INFO [stderr] warning: variant is never constructed: `TripleLetter`
Dec 04 19:46:37.889 INFO [stderr]   --> src/main.rs:43:5
Dec 04 19:46:37.889 INFO [stderr]    |
Dec 04 19:46:37.890 INFO [stderr] 43 |     TripleLetter,
Dec 04 19:46:37.890 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 04 19:46:37.890 INFO [stderr] 
Dec 04 19:46:37.890 INFO [stderr] warning: variant is never constructed: `DoubleWord`
Dec 04 19:46:37.890 INFO [stderr]   --> src/main.rs:44:5
Dec 04 19:46:37.891 INFO [stderr]    |
Dec 04 19:46:37.891 INFO [stderr] 44 |     DoubleWord,
Dec 04 19:46:37.891 INFO [stderr]    |     ^^^^^^^^^^
Dec 04 19:46:37.891 INFO [stderr] 
Dec 04 19:46:37.892 INFO [stderr] warning: variant is never constructed: `TripleWord`
Dec 04 19:46:37.892 INFO [stderr]   --> src/main.rs:45:5
Dec 04 19:46:37.892 INFO [stderr]    |
Dec 04 19:46:37.892 INFO [stderr] 45 |     TripleWord,
Dec 04 19:46:37.893 INFO [stderr]    |     ^^^^^^^^^^
Dec 04 19:46:37.893 INFO [stderr] 
Dec 04 19:46:37.893 INFO [stderr] warning: method is never used: `all_tiles_connected`
Dec 04 19:46:37.893 INFO [stderr]   --> src/main.rs:75:5
Dec 04 19:46:37.894 INFO [stderr]    |
Dec 04 19:46:37.894 INFO [stderr] 75 |     pub fn all_tiles_connected(&self) -> bool {
Dec 04 19:46:37.894 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 19:46:37.894 INFO [stderr] 
Dec 04 19:46:37.894 INFO [stderr] warning: struct is never constructed: `Game`
Dec 04 19:46:37.895 INFO [stderr]    --> src/main.rs:128:1
Dec 04 19:46:37.895 INFO [stderr]     |
Dec 04 19:46:37.895 INFO [stderr] 128 | struct Game {
Dec 04 19:46:37.895 INFO [stderr]     | ^^^^^^^^^^^
Dec 04 19:46:37.895 INFO [stderr] 
Dec 04 19:46:38.127 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:46:38.127 INFO [stderr]    --> src/main.rs:162:13
Dec 04 19:46:38.127 INFO [stderr]     |
Dec 04 19:46:38.128 INFO [stderr] 162 |         let mut board = Board([[Cell::Placed('c'); BOARD_WIDTH]; BOARD_HEIGHT]);
Dec 04 19:46:38.128 INFO [stderr]     |             ----^^^^^
Dec 04 19:46:38.128 INFO [stderr]     |             |
Dec 04 19:46:38.128 INFO [stderr]     |             help: remove this `mut`
Dec 04 19:46:38.129 INFO [stderr]     |
Dec 04 19:46:38.129 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 19:46:38.129 INFO [stderr] 
Dec 04 19:46:38.129 INFO [stderr] warning: constant item is never used: `HAND_LIMIT`
Dec 04 19:46:38.130 INFO [stderr]  --> src/main.rs:8:1
Dec 04 19:46:38.130 INFO [stderr]   |
Dec 04 19:46:38.130 INFO [stderr] 8 | const HAND_LIMIT: usize = 7;
Dec 04 19:46:38.130 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 19:46:38.130 INFO [stderr]   |
Dec 04 19:46:38.131 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 19:46:38.131 INFO [stderr] 
Dec 04 19:46:38.131 INFO [stderr] warning: variant is never constructed: `Bonus`
Dec 04 19:46:38.131 INFO [stderr]   --> src/main.rs:29:5
Dec 04 19:46:38.132 INFO [stderr]    |
Dec 04 19:46:38.132 INFO [stderr] 29 |     Bonus(Bonus),
Dec 04 19:46:38.132 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 04 19:46:38.132 INFO [stderr] 
Dec 04 19:46:38.133 INFO [stderr] warning: variant is never constructed: `DoubleLetter`
Dec 04 19:46:38.133 INFO [stderr]   --> src/main.rs:42:5
Dec 04 19:46:38.133 INFO [stderr]    |
Dec 04 19:46:38.133 INFO [stderr] 42 |     DoubleLetter,
Dec 04 19:46:38.134 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 04 19:46:38.134 INFO [stderr] 
Dec 04 19:46:38.134 INFO [stderr] warning: variant is never constructed: `TripleLetter`
Dec 04 19:46:38.135 INFO [stderr]   --> src/main.rs:43:5
Dec 04 19:46:38.135 INFO [stderr]    |
Dec 04 19:46:38.135 INFO [stderr] 43 |     TripleLetter,
Dec 04 19:46:38.135 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 04 19:46:38.136 INFO [stderr] 
Dec 04 19:46:38.136 INFO [stderr] warning: variant is never constructed: `DoubleWord`
Dec 04 19:46:38.136 INFO [stderr]   --> src/main.rs:44:5
Dec 04 19:46:38.136 INFO [stderr]    |
Dec 04 19:46:38.136 INFO [stderr] 44 |     DoubleWord,
Dec 04 19:46:38.137 INFO [stderr]    |     ^^^^^^^^^^
Dec 04 19:46:38.137 INFO [stderr] 
Dec 04 19:46:38.137 INFO [stderr] warning: variant is never constructed: `TripleWord`
Dec 04 19:46:38.138 INFO [stderr]   --> src/main.rs:45:5
Dec 04 19:46:38.138 INFO [stderr]    |
Dec 04 19:46:38.138 INFO [stderr] 45 |     TripleWord,
Dec 04 19:46:38.139 INFO [stderr]    |     ^^^^^^^^^^
Dec 04 19:46:38.139 INFO [stderr] 
Dec 04 19:46:38.139 INFO [stderr] warning: struct is never constructed: `Game`
Dec 04 19:46:38.139 INFO [stderr]    --> src/main.rs:128:1
Dec 04 19:46:38.140 INFO [stderr]     |
Dec 04 19:46:38.140 INFO [stderr] 128 | struct Game {
Dec 04 19:46:38.140 INFO [stderr]     | ^^^^^^^^^^^
Dec 04 19:46:38.140 INFO [stderr] 
Dec 04 19:46:38.179 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
Dec 04 19:46:38.182 INFO [stderr] su: No module specific data is present
Dec 04 19:46:39.407 INFO running `"docker" "inspect" "25702f66e4e011fad2bacf60a662aca4e034b4f0f1434693e01162123a983034"`
Dec 04 19:46:39.799 INFO running `"docker" "rm" "-f" "25702f66e4e011fad2bacf60a662aca4e034b4f0f1434693e01162123a983034"`
Dec 04 19:46:40.127 INFO [stdout] 25702f66e4e011fad2bacf60a662aca4e034b4f0f1434693e01162123a983034