Dec 15 14:01:21.991 INFO testing game-2048-0.5.1 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 15 14:01:21.991 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 14:01:22.507 INFO [stdout] c17567b84addbea41b5d4f862f03623211fb756ac7d5730ffdd530e747f95d70
Dec 15 14:01:22.515 INFO running `"docker" "start" "-a" "c17567b84addbea41b5d4f862f03623211fb756ac7d5730ffdd530e747f95d70"`
Dec 15 14:01:23.911 INFO [stderr] usermod: no changes
Dec 15 14:01:24.019 INFO [stderr]    Compiling matrix_display v0.3.0
Dec 15 14:01:25.235 INFO [stderr]    Compiling game-2048 v0.5.1 (/source)
Dec 15 14:01:26.844 INFO [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Dec 15 14:01:26.845 INFO [stderr]  --> src/board.rs:3:24
Dec 15 14:01:26.845 INFO [stderr]   |
Dec 15 14:01:26.845 INFO [stderr] 3 | use rand::{thread_rng, sample};
Dec 15 14:01:26.846 INFO [stderr]   |                        ^^^^^^
Dec 15 14:01:26.846 INFO [stderr]   |
Dec 15 14:01:26.846 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 15 14:01:26.846 INFO [stderr] 
Dec 15 14:01:26.847 INFO [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Dec 15 14:01:26.847 INFO [stderr]   --> src/board.rs:57:22
Dec 15 14:01:26.847 INFO [stderr]    |
Dec 15 14:01:26.847 INFO [stderr] 57 |         let mut fw = sample(&mut rng, 1..256, 17);
Dec 15 14:01:26.847 INFO [stderr]    |                      ^^^^^^
Dec 15 14:01:26.847 INFO [stderr] 
Dec 15 14:01:26.963 INFO [stderr] warning: floating-point types cannot be used in patterns
Dec 15 14:01:26.963 INFO [stderr]   --> src/board.rs:22:22
Dec 15 14:01:26.963 INFO [stderr]    |
Dec 15 14:01:26.964 INFO [stderr] 22 |                      1_f64 => (".".to_string(), col),
Dec 15 14:01:26.964 INFO [stderr]    |                      ^^^^^
Dec 15 14:01:26.964 INFO [stderr]    |
Dec 15 14:01:26.964 INFO [stderr]    = note: #[warn(illegal_floating_point_literal_pattern)] on by default
Dec 15 14:01:26.965 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 14:01:26.965 INFO [stderr]    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Dec 15 14:01:26.965 INFO [stderr] 
Dec 15 14:01:26.977 INFO [stderr] warning: floating-point types cannot be used in patterns
Dec 15 14:01:26.977 INFO [stderr]   --> src/board.rs:22:22
Dec 15 14:01:26.977 INFO [stderr]    |
Dec 15 14:01:26.977 INFO [stderr] 22 |                      1_f64 => (".".to_string(), col),
Dec 15 14:01:26.977 INFO [stderr]    |                      ^^^^^
Dec 15 14:01:26.977 INFO [stderr]    |
Dec 15 14:01:26.977 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 14:01:26.977 INFO [stderr]    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Dec 15 14:01:26.977 INFO [stderr] 
Dec 15 14:01:26.993 INFO [stderr] warning: variable does not need to be mutable
Dec 15 14:01:26.993 INFO [stderr]   --> src/game.rs:70:19
Dec 15 14:01:26.993 INFO [stderr]    |
Dec 15 14:01:26.993 INFO [stderr] 70 |             .map(|mut row| {
Dec 15 14:01:26.993 INFO [stderr]    |                   ----^^^
Dec 15 14:01:26.993 INFO [stderr]    |                   |
Dec 15 14:01:26.993 INFO [stderr]    |                   help: remove this `mut`
Dec 15 14:01:26.993 INFO [stderr]    |
Dec 15 14:01:26.993 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 15 14:01:26.993 INFO [stderr] 
Dec 15 14:01:26.999 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 15 14:01:26.999 INFO [stderr]   --> src/game.rs:68:9
Dec 15 14:01:26.999 INFO [stderr]    |
Dec 15 14:01:26.999 INFO [stderr] 68 | /         self.data
Dec 15 14:01:26.999 INFO [stderr] 69 | |             .chunks_mut(4)
Dec 15 14:01:26.999 INFO [stderr] 70 | |             .map(|mut row| {
Dec 15 14:01:26.999 INFO [stderr] 71 | |                 let (new_row, new_score) = match dir {
Dec 15 14:01:26.999 INFO [stderr] ...  |
Dec 15 14:01:26.999 INFO [stderr] 86 | |             })
Dec 15 14:01:26.999 INFO [stderr] 87 | |             .collect::<Vec<_>>();
Dec 15 14:01:26.999 INFO [stderr]    | |_________________________________^
Dec 15 14:01:26.999 INFO [stderr]    |
Dec 15 14:01:27.000 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 15 14:01:27.000 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 15 14:01:27.000 INFO [stderr] 
Dec 15 14:01:29.536 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.60s
Dec 15 14:01:29.543 INFO [stderr] su: No module specific data is present
Dec 15 14:01:30.502 INFO running `"docker" "inspect" "c17567b84addbea41b5d4f862f03623211fb756ac7d5730ffdd530e747f95d70"`
Dec 15 14:01:30.765 INFO running `"docker" "rm" "-f" "c17567b84addbea41b5d4f862f03623211fb756ac7d5730ffdd530e747f95d70"`
Dec 15 14:01:31.127 INFO [stdout] c17567b84addbea41b5d4f862f03623211fb756ac7d5730ffdd530e747f95d70
Dec 15 14:01:31.129 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 14:01:31.703 INFO [stdout] 0d0b7bce8072025eb48475b56ee4119dcc156e06942421000a8f623b6354e82f
Dec 15 14:01:31.707 INFO running `"docker" "start" "-a" "0d0b7bce8072025eb48475b56ee4119dcc156e06942421000a8f623b6354e82f"`
Dec 15 14:01:32.747 INFO [stderr] usermod: no changes
Dec 15 14:01:32.870 INFO [stderr]    Compiling game-2048 v0.5.1 (/source)
Dec 15 14:01:34.523 INFO [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Dec 15 14:01:34.523 INFO [stderr]  --> src/board.rs:3:24
Dec 15 14:01:34.523 INFO [stderr]   |
Dec 15 14:01:34.523 INFO [stderr] 3 | use rand::{thread_rng, sample};
Dec 15 14:01:34.523 INFO [stderr]   |                        ^^^^^^
Dec 15 14:01:34.523 INFO [stderr]   |
Dec 15 14:01:34.523 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 15 14:01:34.523 INFO [stderr] 
Dec 15 14:01:34.523 INFO [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Dec 15 14:01:34.523 INFO [stderr]   --> src/board.rs:57:22
Dec 15 14:01:34.523 INFO [stderr]    |
Dec 15 14:01:34.523 INFO [stderr] 57 |         let mut fw = sample(&mut rng, 1..256, 17);
Dec 15 14:01:34.523 INFO [stderr]    |                      ^^^^^^
Dec 15 14:01:34.523 INFO [stderr] 
Dec 15 14:01:34.707 INFO [stderr] warning: floating-point types cannot be used in patterns
Dec 15 14:01:34.707 INFO [stderr]   --> src/board.rs:22:22
Dec 15 14:01:34.707 INFO [stderr]    |
Dec 15 14:01:34.707 INFO [stderr] 22 |                      1_f64 => (".".to_string(), col),
Dec 15 14:01:34.707 INFO [stderr]    |                      ^^^^^
Dec 15 14:01:34.707 INFO [stderr]    |
Dec 15 14:01:34.707 INFO [stderr]    = note: #[warn(illegal_floating_point_literal_pattern)] on by default
Dec 15 14:01:34.707 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 14:01:34.707 INFO [stderr]    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Dec 15 14:01:34.711 INFO [stderr] 
Dec 15 14:01:34.755 INFO [stderr] warning: floating-point types cannot be used in patterns
Dec 15 14:01:34.755 INFO [stderr]   --> src/board.rs:22:22
Dec 15 14:01:34.755 INFO [stderr]    |
Dec 15 14:01:34.755 INFO [stderr] 22 |                      1_f64 => (".".to_string(), col),
Dec 15 14:01:34.755 INFO [stderr]    |                      ^^^^^
Dec 15 14:01:34.755 INFO [stderr]    |
Dec 15 14:01:34.755 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 14:01:34.755 INFO [stderr]    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Dec 15 14:01:34.755 INFO [stderr] 
Dec 15 14:01:34.771 INFO [stderr] warning: variable does not need to be mutable
Dec 15 14:01:34.771 INFO [stderr]   --> src/game.rs:70:19
Dec 15 14:01:34.771 INFO [stderr]    |
Dec 15 14:01:34.771 INFO [stderr] 70 |             .map(|mut row| {
Dec 15 14:01:34.771 INFO [stderr]    |                   ----^^^
Dec 15 14:01:34.771 INFO [stderr]    |                   |
Dec 15 14:01:34.771 INFO [stderr]    |                   help: remove this `mut`
Dec 15 14:01:34.771 INFO [stderr]    |
Dec 15 14:01:34.771 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 15 14:01:34.771 INFO [stderr] 
Dec 15 14:01:34.787 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 15 14:01:34.787 INFO [stderr]   --> src/game.rs:68:9
Dec 15 14:01:34.787 INFO [stderr]    |
Dec 15 14:01:34.787 INFO [stderr] 68 | /         self.data
Dec 15 14:01:34.787 INFO [stderr] 69 | |             .chunks_mut(4)
Dec 15 14:01:34.787 INFO [stderr] 70 | |             .map(|mut row| {
Dec 15 14:01:34.787 INFO [stderr] 71 | |                 let (new_row, new_score) = match dir {
Dec 15 14:01:34.787 INFO [stderr] ...  |
Dec 15 14:01:34.787 INFO [stderr] 86 | |             })
Dec 15 14:01:34.787 INFO [stderr] 87 | |             .collect::<Vec<_>>();
Dec 15 14:01:34.787 INFO [stderr]    | |_________________________________^
Dec 15 14:01:34.787 INFO [stderr]    |
Dec 15 14:01:34.787 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 15 14:01:34.787 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 15 14:01:34.787 INFO [stderr] 
Dec 15 14:01:35.868 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.09s
Dec 15 14:01:35.873 INFO [stderr] su: No module specific data is present
Dec 15 14:01:36.727 INFO running `"docker" "inspect" "0d0b7bce8072025eb48475b56ee4119dcc156e06942421000a8f623b6354e82f"`
Dec 15 14:01:37.003 INFO running `"docker" "rm" "-f" "0d0b7bce8072025eb48475b56ee4119dcc156e06942421000a8f623b6354e82f"`
Dec 15 14:01:37.287 INFO [stdout] 0d0b7bce8072025eb48475b56ee4119dcc156e06942421000a8f623b6354e82f
Dec 15 14:01:37.292 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 14:01:37.795 INFO [stdout] b6b2abf34729413a64b5ad8c103c28cf07c8a9e5be9993074275b09f31afea61
Dec 15 14:01:37.800 INFO running `"docker" "start" "-a" "b6b2abf34729413a64b5ad8c103c28cf07c8a9e5be9993074275b09f31afea61"`
Dec 15 14:01:39.030 INFO [stderr] usermod: no changes
Dec 15 14:01:39.183 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
Dec 15 14:01:39.191 INFO [stderr]      Running /target/debug/deps/game_2048-7bb828112e34280b
Dec 15 14:01:39.199 INFO [stdout] 
Dec 15 14:01:39.199 INFO [stdout] running 14 tests
Dec 15 14:01:39.199 INFO [stdout] test algorithm::slide_test::test_slide_left_with_four_different_elements ... ok
Dec 15 14:01:39.199 INFO [stdout] test algorithm::slide_test::test_slide_left_with_four_same_elements ... ok
Dec 15 14:01:39.199 INFO [stdout] test algorithm::slide_test::test_slide_left_with_one_element ... ok
Dec 15 14:01:39.199 INFO [stdout] test algorithm::slide_test::test_slide_left_with_two_same_elements ... ok
Dec 15 14:01:39.199 INFO [stdout] test algorithm::slide_test::test_slide_left_with_three_same_elements ... ok
Dec 15 14:01:39.199 INFO [stdout] test algorithm::slide_test::test_slide_left_with_two_different_elements ... ok
Dec 15 14:01:39.199 INFO [stdout] test algorithm::slide_test::test_slide_right_with_two_same_elements ... ok
Dec 15 14:01:39.199 INFO [stdout] test algorithm::slide_test::test_slide_right_with_two_different_elements ... ok
Dec 15 14:01:39.199 INFO [stdout] test algorithm::slide_test::test_slide_right_with_three_same_elements ... ok
Dec 15 14:01:39.199 INFO [stdout] test algorithm::slide_test::test_slide_right_with_three_different_elements ... ok
Dec 15 14:01:39.199 INFO [stdout] test algorithm::slide_test::test_slide_left_with_three_different_elements ... ok
Dec 15 14:01:39.199 INFO [stdout] test algorithm::slide_test::test_slide_right_with_one_element ... ok
Dec 15 14:01:39.199 INFO [stdout] test algorithm::slide_test::test_slide_right_with_four_different_elements ... ok
Dec 15 14:01:39.199 INFO [stdout] test algorithm::slide_test::test_slide_right_with_four_same_elements ... ok
Dec 15 14:01:39.199 INFO [stdout] 
Dec 15 14:01:39.199 INFO [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 14:01:39.199 INFO [stdout] 
Dec 15 14:01:39.201 INFO [stderr] su: No module specific data is present
Dec 15 14:01:40.012 INFO running `"docker" "inspect" "b6b2abf34729413a64b5ad8c103c28cf07c8a9e5be9993074275b09f31afea61"`
Dec 15 14:01:40.293 INFO running `"docker" "rm" "-f" "b6b2abf34729413a64b5ad8c103c28cf07c8a9e5be9993074275b09f31afea61"`
Dec 15 14:01:40.663 INFO [stdout] b6b2abf34729413a64b5ad8c103c28cf07c8a9e5be9993074275b09f31afea61