Dec 11 15:31:31.633 INFO checking kgtkr/othello against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 15:31:31.634 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 15:31:31.965 INFO [stdout] 7331b66c96940a95f2e45d7549c5909fe5d66c1e1f1bec7d087ea8edc7d61d94
Dec 11 15:31:31.970 INFO running `"docker" "start" "-a" "7331b66c96940a95f2e45d7549c5909fe5d66c1e1f1bec7d087ea8edc7d61d94"`
Dec 11 15:31:33.016 INFO [stderr] usermod: no changes
Dec 11 15:31:33.080 INFO [stderr]     Checking othello v0.1.0 (/source)
Dec 11 15:31:33.512 INFO [stderr] warning: variant is never constructed: `Black`
Dec 11 15:31:33.512 INFO [stderr]  --> src/game.rs:3:3
Dec 11 15:31:33.512 INFO [stderr]   |
Dec 11 15:31:33.513 INFO [stderr] 3 |   Black,
Dec 11 15:31:33.513 INFO [stderr]   |   ^^^^^
Dec 11 15:31:33.513 INFO [stderr]   |
Dec 11 15:31:33.513 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 15:31:33.513 INFO [stderr] 
Dec 11 15:31:33.513 INFO [stderr] warning: variant is never constructed: `While`
Dec 11 15:31:33.513 INFO [stderr]  --> src/game.rs:4:3
Dec 11 15:31:33.513 INFO [stderr]   |
Dec 11 15:31:33.513 INFO [stderr] 4 |   While,
Dec 11 15:31:33.513 INFO [stderr]   |   ^^^^^
Dec 11 15:31:33.513 INFO [stderr] 
Dec 11 15:31:33.513 INFO [stderr] warning: type alias is never used: `Cell`
Dec 11 15:31:33.513 INFO [stderr]  --> src/game.rs:7:1
Dec 11 15:31:33.513 INFO [stderr]   |
Dec 11 15:31:33.513 INFO [stderr] 7 | type Cell = Option<Piece>;
Dec 11 15:31:33.513 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 15:31:33.513 INFO [stderr] 
Dec 11 15:31:33.513 INFO [stderr] warning: type alias is never used: `Board`
Dec 11 15:31:33.513 INFO [stderr]  --> src/game.rs:8:1
Dec 11 15:31:33.513 INFO [stderr]   |
Dec 11 15:31:33.513 INFO [stderr] 8 | type Board = [[Cell; 8]; 8];
Dec 11 15:31:33.513 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 15:31:33.513 INFO [stderr] 
Dec 11 15:31:33.513 INFO [stderr] warning: variant is never constructed: `Next`
Dec 11 15:31:33.513 INFO [stderr]   --> src/game.rs:12:3
Dec 11 15:31:33.513 INFO [stderr]    |
Dec 11 15:31:33.513 INFO [stderr] 12 |   Next(Piece),
Dec 11 15:31:33.513 INFO [stderr]    |   ^^^^^^^^^^^
Dec 11 15:31:33.513 INFO [stderr] 
Dec 11 15:31:33.513 INFO [stderr] warning: variant is never constructed: `Pass`
Dec 11 15:31:33.513 INFO [stderr]   --> src/game.rs:13:3
Dec 11 15:31:33.513 INFO [stderr]    |
Dec 11 15:31:33.513 INFO [stderr] 13 |   Pass(Piece),
Dec 11 15:31:33.513 INFO [stderr]    |   ^^^^^^^^^^^
Dec 11 15:31:33.513 INFO [stderr] 
Dec 11 15:31:33.513 INFO [stderr] warning: variant is never constructed: `IndexOutOf`
Dec 11 15:31:33.513 INFO [stderr]   --> src/game.rs:14:3
Dec 11 15:31:33.513 INFO [stderr]    |
Dec 11 15:31:33.513 INFO [stderr] 14 |   IndexOutOf,
Dec 11 15:31:33.513 INFO [stderr]    |   ^^^^^^^^^^
Dec 11 15:31:33.513 INFO [stderr] 
Dec 11 15:31:33.513 INFO [stderr] warning: variant is never constructed: `Already`
Dec 11 15:31:33.513 INFO [stderr]   --> src/game.rs:15:3
Dec 11 15:31:33.513 INFO [stderr]    |
Dec 11 15:31:33.513 INFO [stderr] 15 |   Already,
Dec 11 15:31:33.513 INFO [stderr]    |   ^^^^^^^
Dec 11 15:31:33.513 INFO [stderr] 
Dec 11 15:31:33.513 INFO [stderr] warning: variant is never constructed: `ZeroReverse`
Dec 11 15:31:33.513 INFO [stderr]   --> src/game.rs:16:3
Dec 11 15:31:33.513 INFO [stderr]    |
Dec 11 15:31:33.513 INFO [stderr] 16 |   ZeroReverse,
Dec 11 15:31:33.513 INFO [stderr]    |   ^^^^^^^^^^^
Dec 11 15:31:33.513 INFO [stderr] 
Dec 11 15:31:33.513 INFO [stderr] warning: variant is never constructed: `End`
Dec 11 15:31:33.513 INFO [stderr]   --> src/game.rs:17:3
Dec 11 15:31:33.513 INFO [stderr]    |
Dec 11 15:31:33.513 INFO [stderr] 17 |   End(usize, usize),
Dec 11 15:31:33.513 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^
Dec 11 15:31:33.513 INFO [stderr] 
Dec 11 15:31:33.513 INFO [stderr] warning: struct is never constructed: `Game`
Dec 11 15:31:33.513 INFO [stderr]   --> src/game.rs:20:1
Dec 11 15:31:33.513 INFO [stderr]    |
Dec 11 15:31:33.513 INFO [stderr] 20 | struct Game {
Dec 11 15:31:33.513 INFO [stderr]    | ^^^^^^^^^^^
Dec 11 15:31:33.513 INFO [stderr] 
Dec 11 15:31:33.513 INFO [stderr] warning: associated const is never used: `size`
Dec 11 15:31:33.513 INFO [stderr]   --> src/game.rs:26:3
Dec 11 15:31:33.513 INFO [stderr]    |
Dec 11 15:31:33.513 INFO [stderr] 26 |   const size: usize = 8;
Dec 11 15:31:33.513 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^
Dec 11 15:31:33.513 INFO [stderr] 
Dec 11 15:31:33.513 INFO [stderr] warning: method is never used: `new`
Dec 11 15:31:33.513 INFO [stderr]   --> src/game.rs:28:3
Dec 11 15:31:33.513 INFO [stderr]    |
Dec 11 15:31:33.513 INFO [stderr] 28 |   pub fn new() -> Game {
Dec 11 15:31:33.513 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^
Dec 11 15:31:33.513 INFO [stderr] 
Dec 11 15:31:33.513 INFO [stderr] warning: method is never used: `next`
Dec 11 15:31:33.513 INFO [stderr]   --> src/game.rs:63:3
Dec 11 15:31:33.513 INFO [stderr]    |
Dec 11 15:31:33.513 INFO [stderr] 63 |   pub fn next() -> GameResult {
Dec 11 15:31:33.513 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 15:31:33.513 INFO [stderr] 
Dec 11 15:31:33.513 INFO [stderr] warning: associated constant `size` should have an upper case name such as `SIZE`
Dec 11 15:31:33.513 INFO [stderr]   --> src/game.rs:26:3
Dec 11 15:31:33.514 INFO [stderr]    |
Dec 11 15:31:33.514 INFO [stderr] 26 |   const size: usize = 8;
Dec 11 15:31:33.514 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^
Dec 11 15:31:33.516 INFO [stderr]    |
Dec 11 15:31:33.516 INFO [stderr]    = note: #[warn(non_upper_case_globals)] on by default
Dec 11 15:31:33.516 INFO [stderr] 
Dec 11 15:31:33.568 INFO [stderr] warning: variant is never constructed: `Black`
Dec 11 15:31:33.569 INFO [stderr]  --> src/game.rs:3:3
Dec 11 15:31:33.569 INFO [stderr]   |
Dec 11 15:31:33.569 INFO [stderr] 3 |   Black,
Dec 11 15:31:33.569 INFO [stderr]   |   ^^^^^
Dec 11 15:31:33.569 INFO [stderr]   |
Dec 11 15:31:33.569 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 15:31:33.569 INFO [stderr] 
Dec 11 15:31:33.569 INFO [stderr] warning: variant is never constructed: `While`
Dec 11 15:31:33.569 INFO [stderr]  --> src/game.rs:4:3
Dec 11 15:31:33.569 INFO [stderr]   |
Dec 11 15:31:33.569 INFO [stderr] 4 |   While,
Dec 11 15:31:33.569 INFO [stderr]   |   ^^^^^
Dec 11 15:31:33.569 INFO [stderr] 
Dec 11 15:31:33.569 INFO [stderr] warning: type alias is never used: `Cell`
Dec 11 15:31:33.569 INFO [stderr]  --> src/game.rs:7:1
Dec 11 15:31:33.569 INFO [stderr]   |
Dec 11 15:31:33.569 INFO [stderr] 7 | type Cell = Option<Piece>;
Dec 11 15:31:33.569 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 15:31:33.569 INFO [stderr] 
Dec 11 15:31:33.569 INFO [stderr] warning: type alias is never used: `Board`
Dec 11 15:31:33.569 INFO [stderr]  --> src/game.rs:8:1
Dec 11 15:31:33.569 INFO [stderr]   |
Dec 11 15:31:33.569 INFO [stderr] 8 | type Board = [[Cell; 8]; 8];
Dec 11 15:31:33.569 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 15:31:33.569 INFO [stderr] 
Dec 11 15:31:33.569 INFO [stderr] warning: variant is never constructed: `Next`
Dec 11 15:31:33.569 INFO [stderr]   --> src/game.rs:12:3
Dec 11 15:31:33.569 INFO [stderr]    |
Dec 11 15:31:33.569 INFO [stderr] 12 |   Next(Piece),
Dec 11 15:31:33.569 INFO [stderr]    |   ^^^^^^^^^^^
Dec 11 15:31:33.569 INFO [stderr] 
Dec 11 15:31:33.569 INFO [stderr] warning: variant is never constructed: `Pass`
Dec 11 15:31:33.569 INFO [stderr]   --> src/game.rs:13:3
Dec 11 15:31:33.569 INFO [stderr]    |
Dec 11 15:31:33.569 INFO [stderr] 13 |   Pass(Piece),
Dec 11 15:31:33.569 INFO [stderr]    |   ^^^^^^^^^^^
Dec 11 15:31:33.569 INFO [stderr] 
Dec 11 15:31:33.569 INFO [stderr] warning: variant is never constructed: `IndexOutOf`
Dec 11 15:31:33.569 INFO [stderr]   --> src/game.rs:14:3
Dec 11 15:31:33.569 INFO [stderr]    |
Dec 11 15:31:33.569 INFO [stderr] 14 |   IndexOutOf,
Dec 11 15:31:33.569 INFO [stderr]    |   ^^^^^^^^^^
Dec 11 15:31:33.569 INFO [stderr] 
Dec 11 15:31:33.569 INFO [stderr] warning: variant is never constructed: `Already`
Dec 11 15:31:33.569 INFO [stderr]   --> src/game.rs:15:3
Dec 11 15:31:33.569 INFO [stderr]    |
Dec 11 15:31:33.569 INFO [stderr] 15 |   Already,
Dec 11 15:31:33.569 INFO [stderr]    |   ^^^^^^^
Dec 11 15:31:33.569 INFO [stderr] 
Dec 11 15:31:33.569 INFO [stderr] warning: variant is never constructed: `ZeroReverse`
Dec 11 15:31:33.569 INFO [stderr]   --> src/game.rs:16:3
Dec 11 15:31:33.569 INFO [stderr]    |
Dec 11 15:31:33.569 INFO [stderr] 16 |   ZeroReverse,
Dec 11 15:31:33.569 INFO [stderr]    |   ^^^^^^^^^^^
Dec 11 15:31:33.569 INFO [stderr] 
Dec 11 15:31:33.569 INFO [stderr] warning: variant is never constructed: `End`
Dec 11 15:31:33.569 INFO [stderr]   --> src/game.rs:17:3
Dec 11 15:31:33.569 INFO [stderr]    |
Dec 11 15:31:33.569 INFO [stderr] 17 |   End(usize, usize),
Dec 11 15:31:33.569 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^
Dec 11 15:31:33.569 INFO [stderr] 
Dec 11 15:31:33.569 INFO [stderr] warning: struct is never constructed: `Game`
Dec 11 15:31:33.569 INFO [stderr]   --> src/game.rs:20:1
Dec 11 15:31:33.569 INFO [stderr]    |
Dec 11 15:31:33.569 INFO [stderr] 20 | struct Game {
Dec 11 15:31:33.569 INFO [stderr]    | ^^^^^^^^^^^
Dec 11 15:31:33.569 INFO [stderr] 
Dec 11 15:31:33.569 INFO [stderr] warning: associated const is never used: `size`
Dec 11 15:31:33.569 INFO [stderr]   --> src/game.rs:26:3
Dec 11 15:31:33.569 INFO [stderr]    |
Dec 11 15:31:33.569 INFO [stderr] 26 |   const size: usize = 8;
Dec 11 15:31:33.569 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^
Dec 11 15:31:33.569 INFO [stderr] 
Dec 11 15:31:33.569 INFO [stderr] warning: method is never used: `new`
Dec 11 15:31:33.569 INFO [stderr]   --> src/game.rs:28:3
Dec 11 15:31:33.569 INFO [stderr]    |
Dec 11 15:31:33.569 INFO [stderr] 28 |   pub fn new() -> Game {
Dec 11 15:31:33.569 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^
Dec 11 15:31:33.569 INFO [stderr] 
Dec 11 15:31:33.569 INFO [stderr] warning: method is never used: `next`
Dec 11 15:31:33.569 INFO [stderr]   --> src/game.rs:63:3
Dec 11 15:31:33.569 INFO [stderr]    |
Dec 11 15:31:33.569 INFO [stderr] 63 |   pub fn next() -> GameResult {
Dec 11 15:31:33.569 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 15:31:33.569 INFO [stderr] 
Dec 11 15:31:33.569 INFO [stderr] warning: associated constant `size` should have an upper case name such as `SIZE`
Dec 11 15:31:33.569 INFO [stderr]   --> src/game.rs:26:3
Dec 11 15:31:33.569 INFO [stderr]    |
Dec 11 15:31:33.570 INFO [stderr] 26 |   const size: usize = 8;
Dec 11 15:31:33.570 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^
Dec 11 15:31:33.570 INFO [stderr]    |
Dec 11 15:31:33.570 INFO [stderr]    = note: #[warn(non_upper_case_globals)] on by default
Dec 11 15:31:33.570 INFO [stderr] 
Dec 11 15:31:33.577 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
Dec 11 15:31:33.581 INFO [stderr] su: No module specific data is present
Dec 11 15:31:34.357 INFO running `"docker" "inspect" "7331b66c96940a95f2e45d7549c5909fe5d66c1e1f1bec7d087ea8edc7d61d94"`
Dec 11 15:31:34.718 INFO running `"docker" "rm" "-f" "7331b66c96940a95f2e45d7549c5909fe5d66c1e1f1bec7d087ea8edc7d61d94"`
Dec 11 15:31:34.960 INFO [stdout] 7331b66c96940a95f2e45d7549c5909fe5d66c1e1f1bec7d087ea8edc7d61d94