Dec 15 14:01:22.103 INFO testing game-2048-0.5.1 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 15 14:01:22.103 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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 15 14:01:22.547 INFO [stdout] 6c528938b736c4bbf93723e0da20a99a65568a3a6e6bd3750bc2a0f786f6bf60
Dec 15 14:01:22.553 INFO running `"docker" "start" "-a" "6c528938b736c4bbf93723e0da20a99a65568a3a6e6bd3750bc2a0f786f6bf60"`
Dec 15 14:01:24.566 INFO [stderr] usermod: no changes
Dec 15 14:01:24.703 INFO [stderr]    Compiling matrix_display v0.3.0
Dec 15 14:01:26.027 INFO [stderr]    Compiling game-2048 v0.5.1 (/source)
Dec 15 14:01:27.519 INFO [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Dec 15 14:01:27.519 INFO [stderr]  --> src/board.rs:3:24
Dec 15 14:01:27.519 INFO [stderr]   |
Dec 15 14:01:27.519 INFO [stderr] 3 | use rand::{thread_rng, sample};
Dec 15 14:01:27.519 INFO [stderr]   |                        ^^^^^^
Dec 15 14:01:27.519 INFO [stderr]   |
Dec 15 14:01:27.519 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 15 14:01:27.519 INFO [stderr] 
Dec 15 14:01:27.519 INFO [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Dec 15 14:01:27.519 INFO [stderr]   --> src/board.rs:57:22
Dec 15 14:01:27.519 INFO [stderr]    |
Dec 15 14:01:27.519 INFO [stderr] 57 |         let mut fw = sample(&mut rng, 1..256, 17);
Dec 15 14:01:27.519 INFO [stderr]    |                      ^^^^^^
Dec 15 14:01:27.519 INFO [stderr] 
Dec 15 14:01:27.635 INFO [stderr] warning: floating-point types cannot be used in patterns
Dec 15 14:01:27.635 INFO [stderr]   --> src/board.rs:22:22
Dec 15 14:01:27.635 INFO [stderr]    |
Dec 15 14:01:27.635 INFO [stderr] 22 |                      1_f64 => (".".to_string(), col),
Dec 15 14:01:27.635 INFO [stderr]    |                      ^^^^^
Dec 15 14:01:27.635 INFO [stderr]    |
Dec 15 14:01:27.635 INFO [stderr]    = note: #[warn(illegal_floating_point_literal_pattern)] on by default
Dec 15 14:01:27.635 INFO [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Dec 15 14:01:27.635 INFO [stderr]    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Dec 15 14:01:27.635 INFO [stderr] 
Dec 15 14:01:27.651 INFO [stderr] warning: floating-point types cannot be used in patterns
Dec 15 14:01:27.651 INFO [stderr]   --> src/board.rs:22:22
Dec 15 14:01:27.651 INFO [stderr]    |
Dec 15 14:01:27.651 INFO [stderr] 22 |                      1_f64 => (".".to_string(), col),
Dec 15 14:01:27.651 INFO [stderr]    |                      ^^^^^
Dec 15 14:01:27.651 INFO [stderr]    |
Dec 15 14:01:27.651 INFO [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Dec 15 14:01:27.651 INFO [stderr]    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Dec 15 14:01:27.651 INFO [stderr] 
Dec 15 14:01:27.671 INFO [stderr] warning: variable does not need to be mutable
Dec 15 14:01:27.671 INFO [stderr]   --> src/game.rs:70:19
Dec 15 14:01:27.671 INFO [stderr]    |
Dec 15 14:01:27.671 INFO [stderr] 70 |             .map(|mut row| {
Dec 15 14:01:27.671 INFO [stderr]    |                   ----^^^
Dec 15 14:01:27.671 INFO [stderr]    |                   |
Dec 15 14:01:27.671 INFO [stderr]    |                   help: remove this `mut`
Dec 15 14:01:27.671 INFO [stderr]    |
Dec 15 14:01:27.671 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 15 14:01:27.671 INFO [stderr] 
Dec 15 14:01:27.683 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 15 14:01:27.683 INFO [stderr]   --> src/game.rs:68:9
Dec 15 14:01:27.683 INFO [stderr]    |
Dec 15 14:01:27.683 INFO [stderr] 68 | /         self.data
Dec 15 14:01:27.683 INFO [stderr] 69 | |             .chunks_mut(4)
Dec 15 14:01:27.683 INFO [stderr] 70 | |             .map(|mut row| {
Dec 15 14:01:27.683 INFO [stderr] 71 | |                 let (new_row, new_score) = match dir {
Dec 15 14:01:27.683 INFO [stderr] ...  |
Dec 15 14:01:27.683 INFO [stderr] 86 | |             })
Dec 15 14:01:27.683 INFO [stderr] 87 | |             .collect::<Vec<_>>();
Dec 15 14:01:27.683 INFO [stderr]    | |_________________________________^
Dec 15 14:01:27.683 INFO [stderr]    |
Dec 15 14:01:27.683 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 15 14:01:27.683 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 15 14:01:27.683 INFO [stderr] 
Dec 15 14:01:29.951 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.34s
Dec 15 14:01:29.963 INFO [stderr] su: No module specific data is present
Dec 15 14:01:30.688 INFO running `"docker" "inspect" "6c528938b736c4bbf93723e0da20a99a65568a3a6e6bd3750bc2a0f786f6bf60"`
Dec 15 14:01:31.063 INFO running `"docker" "rm" "-f" "6c528938b736c4bbf93723e0da20a99a65568a3a6e6bd3750bc2a0f786f6bf60"`
Dec 15 14:01:31.339 INFO [stdout] 6c528938b736c4bbf93723e0da20a99a65568a3a6e6bd3750bc2a0f786f6bf60
Dec 15 14:01:31.345 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-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 15 14:01:31.846 INFO [stdout] 4626a0dd5801434b898a0f412b35a23d5e9902b73f3a1d4c27f8bd6ad02227e9
Dec 15 14:01:31.851 INFO running `"docker" "start" "-a" "4626a0dd5801434b898a0f412b35a23d5e9902b73f3a1d4c27f8bd6ad02227e9"`
Dec 15 14:01:33.354 INFO [stderr] usermod: no changes
Dec 15 14:01:33.487 INFO [stderr]    Compiling game-2048 v0.5.1 (/source)
Dec 15 14:01:35.031 INFO [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Dec 15 14:01:35.031 INFO [stderr]  --> src/board.rs:3:24
Dec 15 14:01:35.031 INFO [stderr]   |
Dec 15 14:01:35.031 INFO [stderr] 3 | use rand::{thread_rng, sample};
Dec 15 14:01:35.031 INFO [stderr]   |                        ^^^^^^
Dec 15 14:01:35.031 INFO [stderr]   |
Dec 15 14:01:35.031 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 15 14:01:35.031 INFO [stderr] 
Dec 15 14:01:35.031 INFO [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Dec 15 14:01:35.031 INFO [stderr]   --> src/board.rs:57:22
Dec 15 14:01:35.031 INFO [stderr]    |
Dec 15 14:01:35.031 INFO [stderr] 57 |         let mut fw = sample(&mut rng, 1..256, 17);
Dec 15 14:01:35.031 INFO [stderr]    |                      ^^^^^^
Dec 15 14:01:35.031 INFO [stderr] 
Dec 15 14:01:35.170 INFO [stderr] warning: floating-point types cannot be used in patterns
Dec 15 14:01:35.170 INFO [stderr]   --> src/board.rs:22:22
Dec 15 14:01:35.170 INFO [stderr]    |
Dec 15 14:01:35.170 INFO [stderr] 22 |                      1_f64 => (".".to_string(), col),
Dec 15 14:01:35.170 INFO [stderr]    |                      ^^^^^
Dec 15 14:01:35.170 INFO [stderr]    |
Dec 15 14:01:35.170 INFO [stderr]    = note: #[warn(illegal_floating_point_literal_pattern)] on by default
Dec 15 14:01:35.170 INFO [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Dec 15 14:01:35.170 INFO [stderr]    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Dec 15 14:01:35.170 INFO [stderr] 
Dec 15 14:01:35.206 INFO [stderr] warning: floating-point types cannot be used in patterns
Dec 15 14:01:35.206 INFO [stderr]   --> src/board.rs:22:22
Dec 15 14:01:35.206 INFO [stderr]    |
Dec 15 14:01:35.206 INFO [stderr] 22 |                      1_f64 => (".".to_string(), col),
Dec 15 14:01:35.206 INFO [stderr]    |                      ^^^^^
Dec 15 14:01:35.206 INFO [stderr]    |
Dec 15 14:01:35.206 INFO [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Dec 15 14:01:35.206 INFO [stderr]    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Dec 15 14:01:35.206 INFO [stderr] 
Dec 15 14:01:35.231 INFO [stderr] warning: variable does not need to be mutable
Dec 15 14:01:35.231 INFO [stderr]   --> src/game.rs:70:19
Dec 15 14:01:35.231 INFO [stderr]    |
Dec 15 14:01:35.231 INFO [stderr] 70 |             .map(|mut row| {
Dec 15 14:01:35.231 INFO [stderr]    |                   ----^^^
Dec 15 14:01:35.231 INFO [stderr]    |                   |
Dec 15 14:01:35.231 INFO [stderr]    |                   help: remove this `mut`
Dec 15 14:01:35.231 INFO [stderr]    |
Dec 15 14:01:35.231 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 15 14:01:35.231 INFO [stderr] 
Dec 15 14:01:35.235 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 15 14:01:35.235 INFO [stderr]   --> src/game.rs:68:9
Dec 15 14:01:35.235 INFO [stderr]    |
Dec 15 14:01:35.235 INFO [stderr] 68 | /         self.data
Dec 15 14:01:35.235 INFO [stderr] 69 | |             .chunks_mut(4)
Dec 15 14:01:35.235 INFO [stderr] 70 | |             .map(|mut row| {
Dec 15 14:01:35.235 INFO [stderr] 71 | |                 let (new_row, new_score) = match dir {
Dec 15 14:01:35.235 INFO [stderr] ...  |
Dec 15 14:01:35.235 INFO [stderr] 86 | |             })
Dec 15 14:01:35.235 INFO [stderr] 87 | |             .collect::<Vec<_>>();
Dec 15 14:01:35.235 INFO [stderr]    | |_________________________________^
Dec 15 14:01:35.235 INFO [stderr]    |
Dec 15 14:01:35.235 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 15 14:01:35.235 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 15 14:01:35.235 INFO [stderr] 
Dec 15 14:01:36.135 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.73s
Dec 15 14:01:36.135 INFO [stderr] su: No module specific data is present
Dec 15 14:01:36.904 INFO running `"docker" "inspect" "4626a0dd5801434b898a0f412b35a23d5e9902b73f3a1d4c27f8bd6ad02227e9"`
Dec 15 14:01:37.388 INFO running `"docker" "rm" "-f" "4626a0dd5801434b898a0f412b35a23d5e9902b73f3a1d4c27f8bd6ad02227e9"`
Dec 15 14:01:37.731 INFO [stdout] 4626a0dd5801434b898a0f412b35a23d5e9902b73f3a1d4c27f8bd6ad02227e9
Dec 15 14:01:37.739 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-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 15 14:01:38.179 INFO [stdout] db74909eb0f1a292d6c6894eb2a51644fe6784cb0cec700a747762f7d65fc5ca
Dec 15 14:01:38.187 INFO running `"docker" "start" "-a" "db74909eb0f1a292d6c6894eb2a51644fe6784cb0cec700a747762f7d65fc5ca"`
Dec 15 14:01:39.302 INFO [stderr] usermod: no changes
Dec 15 14:01:39.427 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
Dec 15 14:01:39.455 INFO [stderr]      Running /target/debug/deps/game_2048-ada62f40d46c9c1d
Dec 15 14:01:39.455 INFO [stdout] 
Dec 15 14:01:39.455 INFO [stdout] running 14 tests
Dec 15 14:01:39.455 INFO [stdout] test algorithm::slide_test::test_slide_left_with_three_same_elements ... ok
Dec 15 14:01:39.455 INFO [stdout] test algorithm::slide_test::test_slide_left_with_three_different_elements ... ok
Dec 15 14:01:39.455 INFO [stdout] test algorithm::slide_test::test_slide_left_with_four_different_elements ... ok
Dec 15 14:01:39.455 INFO [stdout] test algorithm::slide_test::test_slide_left_with_two_different_elements ... ok
Dec 15 14:01:39.455 INFO [stdout] test algorithm::slide_test::test_slide_right_with_three_different_elements ... ok
Dec 15 14:01:39.455 INFO [stdout] test algorithm::slide_test::test_slide_right_with_three_same_elements ... ok
Dec 15 14:01:39.455 INFO [stdout] test algorithm::slide_test::test_slide_right_with_two_different_elements ... ok
Dec 15 14:01:39.455 INFO [stdout] test algorithm::slide_test::test_slide_right_with_two_same_elements ... ok
Dec 15 14:01:39.464 INFO [stdout] test algorithm::slide_test::test_slide_left_with_one_element ... ok
Dec 15 14:01:39.464 INFO [stderr] su: No module specific data is present
Dec 15 14:01:39.464 INFO [stdout] test algorithm::slide_test::test_slide_left_with_four_same_elements ... ok
Dec 15 14:01:39.464 INFO [stdout] test algorithm::slide_test::test_slide_right_with_four_same_elements ... ok
Dec 15 14:01:39.464 INFO [stdout] test algorithm::slide_test::test_slide_right_with_one_element ... ok
Dec 15 14:01:39.465 INFO [stdout] test algorithm::slide_test::test_slide_right_with_four_different_elements ... ok
Dec 15 14:01:39.465 INFO [stdout] test algorithm::slide_test::test_slide_left_with_two_same_elements ... ok
Dec 15 14:01:39.465 INFO [stdout] 
Dec 15 14:01:39.465 INFO [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 14:01:39.465 INFO [stdout] 
Dec 15 14:01:40.111 INFO running `"docker" "inspect" "db74909eb0f1a292d6c6894eb2a51644fe6784cb0cec700a747762f7d65fc5ca"`
Dec 15 14:01:40.415 INFO running `"docker" "rm" "-f" "db74909eb0f1a292d6c6894eb2a51644fe6784cb0cec700a747762f7d65fc5ca"`
Dec 15 14:01:40.647 INFO [stdout] db74909eb0f1a292d6c6894eb2a51644fe6784cb0cec700a747762f7d65fc5ca