Nov 18 13:38:46.574 INFO testing game-2048-0.5.1 against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 18 13:38:46.574 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 18 13:38:47.127 INFO [stdout] 6a3a9c02eef4b40582cb460b2b800fe9147c4ddedaa85d0badebf62b51e386d5
Nov 18 13:38:47.132 INFO running `"docker" "start" "-a" "6a3a9c02eef4b40582cb460b2b800fe9147c4ddedaa85d0badebf62b51e386d5"`
Nov 18 13:38:48.143 INFO [stderr] usermod: no changes
Nov 18 13:38:48.267 INFO [stderr]    Compiling matrix_display v0.3.0
Nov 18 13:38:49.335 INFO [stderr]    Compiling game-2048 v0.5.1 (/source)
Nov 18 13:38:50.379 INFO [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Nov 18 13:38:50.379 INFO [stderr]  --> src/board.rs:3:24
Nov 18 13:38:50.379 INFO [stderr]   |
Nov 18 13:38:50.379 INFO [stderr] 3 | use rand::{thread_rng, sample};
Nov 18 13:38:50.379 INFO [stderr]   |                        ^^^^^^
Nov 18 13:38:50.379 INFO [stderr]   |
Nov 18 13:38:50.379 INFO [stderr]   = note: #[warn(deprecated)] on by default
Nov 18 13:38:50.379 INFO [stderr] 
Nov 18 13:38:50.379 INFO [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Nov 18 13:38:50.379 INFO [stderr]   --> src/board.rs:57:22
Nov 18 13:38:50.379 INFO [stderr]    |
Nov 18 13:38:50.379 INFO [stderr] 57 |         let mut fw = sample(&mut rng, 1..256, 17);
Nov 18 13:38:50.379 INFO [stderr]    |                      ^^^^^^
Nov 18 13:38:50.379 INFO [stderr] 
Nov 18 13:38:50.531 INFO [stderr] warning: floating-point types cannot be used in patterns
Nov 18 13:38:50.531 INFO [stderr]   --> src/board.rs:22:22
Nov 18 13:38:50.531 INFO [stderr]    |
Nov 18 13:38:50.531 INFO [stderr] 22 |                      1_f64 => (".".to_string(), col),
Nov 18 13:38:50.531 INFO [stderr]    |                      ^^^^^
Nov 18 13:38:50.531 INFO [stderr]    |
Nov 18 13:38:50.531 INFO [stderr]    = note: #[warn(illegal_floating_point_literal_pattern)] on by default
Nov 18 13:38:50.531 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!
Nov 18 13:38:50.531 INFO [stderr]    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Nov 18 13:38:50.531 INFO [stderr] 
Nov 18 13:38:50.547 INFO [stderr] warning: floating-point types cannot be used in patterns
Nov 18 13:38:50.547 INFO [stderr]   --> src/board.rs:22:22
Nov 18 13:38:50.547 INFO [stderr]    |
Nov 18 13:38:50.547 INFO [stderr] 22 |                      1_f64 => (".".to_string(), col),
Nov 18 13:38:50.547 INFO [stderr]    |                      ^^^^^
Nov 18 13:38:50.547 INFO [stderr]    |
Nov 18 13:38:50.547 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!
Nov 18 13:38:50.547 INFO [stderr]    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Nov 18 13:38:50.547 INFO [stderr] 
Nov 18 13:38:50.571 INFO [stderr] warning: variable does not need to be mutable
Nov 18 13:38:50.571 INFO [stderr]   --> src/game.rs:70:19
Nov 18 13:38:50.571 INFO [stderr]    |
Nov 18 13:38:50.571 INFO [stderr] 70 |             .map(|mut row| {
Nov 18 13:38:50.571 INFO [stderr]    |                   ----^^^
Nov 18 13:38:50.571 INFO [stderr]    |                   |
Nov 18 13:38:50.571 INFO [stderr]    |                   help: remove this `mut`
Nov 18 13:38:50.571 INFO [stderr]    |
Nov 18 13:38:50.571 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 18 13:38:50.571 INFO [stderr] 
Nov 18 13:38:50.587 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 18 13:38:50.587 INFO [stderr]   --> src/game.rs:68:9
Nov 18 13:38:50.587 INFO [stderr]    |
Nov 18 13:38:50.587 INFO [stderr] 68 | /         self.data
Nov 18 13:38:50.587 INFO [stderr] 69 | |             .chunks_mut(4)
Nov 18 13:38:50.587 INFO [stderr] 70 | |             .map(|mut row| {
Nov 18 13:38:50.587 INFO [stderr] 71 | |                 let (new_row, new_score) = match dir {
Nov 18 13:38:50.587 INFO [stderr] ...  |
Nov 18 13:38:50.587 INFO [stderr] 86 | |             })
Nov 18 13:38:50.587 INFO [stderr] 87 | |             .collect::<Vec<_>>();
Nov 18 13:38:50.587 INFO [stderr]    | |_________________________________^
Nov 18 13:38:50.587 INFO [stderr]    |
Nov 18 13:38:50.587 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 18 13:38:50.587 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 18 13:38:50.587 INFO [stderr] 
Nov 18 13:38:52.595 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.43s
Nov 18 13:38:52.599 INFO [stderr] su: No module specific data is present
Nov 18 13:38:53.147 INFO running `"docker" "inspect" "6a3a9c02eef4b40582cb460b2b800fe9147c4ddedaa85d0badebf62b51e386d5"`
Nov 18 13:38:53.463 INFO running `"docker" "rm" "-f" "6a3a9c02eef4b40582cb460b2b800fe9147c4ddedaa85d0badebf62b51e386d5"`
Nov 18 13:38:53.625 INFO [stdout] 6a3a9c02eef4b40582cb460b2b800fe9147c4ddedaa85d0badebf62b51e386d5
Nov 18 13:38:53.628 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 18 13:38:54.083 INFO [stdout] 843ff4e1519ac30ef272a7822bc39bc56dcb7745143e87fae7fbad10081f98cd
Nov 18 13:38:54.089 INFO running `"docker" "start" "-a" "843ff4e1519ac30ef272a7822bc39bc56dcb7745143e87fae7fbad10081f98cd"`
Nov 18 13:38:55.172 INFO [stderr] usermod: no changes
Nov 18 13:38:55.297 INFO [stderr]    Compiling game-2048 v0.5.1 (/source)
Nov 18 13:38:56.362 INFO [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Nov 18 13:38:56.363 INFO [stderr]  --> src/board.rs:3:24
Nov 18 13:38:56.363 INFO [stderr]   |
Nov 18 13:38:56.363 INFO [stderr] 3 | use rand::{thread_rng, sample};
Nov 18 13:38:56.363 INFO [stderr]   |                        ^^^^^^
Nov 18 13:38:56.364 INFO [stderr]   |
Nov 18 13:38:56.364 INFO [stderr]   = note: #[warn(deprecated)] on by default
Nov 18 13:38:56.364 INFO [stderr] 
Nov 18 13:38:56.367 INFO [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Nov 18 13:38:56.367 INFO [stderr]   --> src/board.rs:57:22
Nov 18 13:38:56.368 INFO [stderr]    |
Nov 18 13:38:56.368 INFO [stderr] 57 |         let mut fw = sample(&mut rng, 1..256, 17);
Nov 18 13:38:56.368 INFO [stderr]    |                      ^^^^^^
Nov 18 13:38:56.368 INFO [stderr] 
Nov 18 13:38:56.555 INFO [stderr] warning: floating-point types cannot be used in patterns
Nov 18 13:38:56.555 INFO [stderr]   --> src/board.rs:22:22
Nov 18 13:38:56.555 INFO [stderr]    |
Nov 18 13:38:56.555 INFO [stderr] 22 |                      1_f64 => (".".to_string(), col),
Nov 18 13:38:56.555 INFO [stderr]    |                      ^^^^^
Nov 18 13:38:56.555 INFO [stderr]    |
Nov 18 13:38:56.555 INFO [stderr]    = note: #[warn(illegal_floating_point_literal_pattern)] on by default
Nov 18 13:38:56.555 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!
Nov 18 13:38:56.555 INFO [stderr]    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Nov 18 13:38:56.555 INFO [stderr] 
Nov 18 13:38:56.626 INFO [stderr] warning: floating-point types cannot be used in patterns
Nov 18 13:38:56.626 INFO [stderr]   --> src/board.rs:22:22
Nov 18 13:38:56.626 INFO [stderr]    |
Nov 18 13:38:56.626 INFO [stderr] 22 |                      1_f64 => (".".to_string(), col),
Nov 18 13:38:56.626 INFO [stderr]    |                      ^^^^^
Nov 18 13:38:56.626 INFO [stderr]    |
Nov 18 13:38:56.626 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!
Nov 18 13:38:56.626 INFO [stderr]    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Nov 18 13:38:56.626 INFO [stderr] 
Nov 18 13:38:56.647 INFO [stderr] warning: variable does not need to be mutable
Nov 18 13:38:56.647 INFO [stderr]   --> src/game.rs:70:19
Nov 18 13:38:56.647 INFO [stderr]    |
Nov 18 13:38:56.647 INFO [stderr] 70 |             .map(|mut row| {
Nov 18 13:38:56.647 INFO [stderr]    |                   ----^^^
Nov 18 13:38:56.647 INFO [stderr]    |                   |
Nov 18 13:38:56.647 INFO [stderr]    |                   help: remove this `mut`
Nov 18 13:38:56.647 INFO [stderr]    |
Nov 18 13:38:56.647 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 18 13:38:56.647 INFO [stderr] 
Nov 18 13:38:56.663 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 18 13:38:56.663 INFO [stderr]   --> src/game.rs:68:9
Nov 18 13:38:56.663 INFO [stderr]    |
Nov 18 13:38:56.663 INFO [stderr] 68 | /         self.data
Nov 18 13:38:56.663 INFO [stderr] 69 | |             .chunks_mut(4)
Nov 18 13:38:56.663 INFO [stderr] 70 | |             .map(|mut row| {
Nov 18 13:38:56.663 INFO [stderr] 71 | |                 let (new_row, new_score) = match dir {
Nov 18 13:38:56.663 INFO [stderr] ...  |
Nov 18 13:38:56.663 INFO [stderr] 86 | |             })
Nov 18 13:38:56.663 INFO [stderr] 87 | |             .collect::<Vec<_>>();
Nov 18 13:38:56.663 INFO [stderr]    | |_________________________________^
Nov 18 13:38:56.663 INFO [stderr]    |
Nov 18 13:38:56.663 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 18 13:38:56.663 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 18 13:38:56.663 INFO [stderr] 
Nov 18 13:38:57.539 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.33s
Nov 18 13:38:57.539 INFO [stderr] su: No module specific data is present
Nov 18 13:38:58.209 INFO running `"docker" "inspect" "843ff4e1519ac30ef272a7822bc39bc56dcb7745143e87fae7fbad10081f98cd"`
Nov 18 13:38:58.445 INFO running `"docker" "rm" "-f" "843ff4e1519ac30ef272a7822bc39bc56dcb7745143e87fae7fbad10081f98cd"`
Nov 18 13:38:58.727 INFO [stdout] 843ff4e1519ac30ef272a7822bc39bc56dcb7745143e87fae7fbad10081f98cd
Nov 18 13:38:58.729 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 18 13:38:59.127 INFO [stdout] d639525f722e71d04c9f9813f382052704d41591e32b47352987ac8ccd06e0b8
Nov 18 13:38:59.135 INFO running `"docker" "start" "-a" "d639525f722e71d04c9f9813f382052704d41591e32b47352987ac8ccd06e0b8"`
Nov 18 13:38:59.771 INFO [stderr] usermod: no changes
Nov 18 13:38:59.842 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Nov 18 13:38:59.849 INFO [stderr]      Running /target/debug/deps/game_2048-1f01fa0573fd7cda
Nov 18 13:38:59.857 INFO [stdout] 
Nov 18 13:38:59.857 INFO [stdout] running 14 tests
Nov 18 13:38:59.857 INFO [stdout] test algorithm::slide_test::test_slide_left_with_two_different_elements ... ok
Nov 18 13:38:59.857 INFO [stdout] test algorithm::slide_test::test_slide_left_with_three_different_elements ... ok
Nov 18 13:38:59.857 INFO [stdout] test algorithm::slide_test::test_slide_left_with_one_element ... ok
Nov 18 13:38:59.857 INFO [stdout] test algorithm::slide_test::test_slide_left_with_three_same_elements ... ok
Nov 18 13:38:59.857 INFO [stdout] test algorithm::slide_test::test_slide_right_with_four_same_elements ... ok
Nov 18 13:38:59.859 INFO [stdout] test algorithm::slide_test::test_slide_right_with_three_same_elements ... ok
Nov 18 13:38:59.859 INFO [stdout] test algorithm::slide_test::test_slide_right_with_three_different_elements ... ok
Nov 18 13:38:59.859 INFO [stdout] test algorithm::slide_test::test_slide_right_with_one_element ... ok
Nov 18 13:38:59.859 INFO [stdout] test algorithm::slide_test::test_slide_right_with_four_different_elements ... ok
Nov 18 13:38:59.859 INFO [stdout] test algorithm::slide_test::test_slide_right_with_two_same_elements ... ok
Nov 18 13:38:59.859 INFO [stdout] test algorithm::slide_test::test_slide_left_with_two_same_elements ... ok
Nov 18 13:38:59.861 INFO [stdout] test algorithm::slide_test::test_slide_right_with_two_different_elements ... ok
Nov 18 13:38:59.861 INFO [stdout] test algorithm::slide_test::test_slide_left_with_four_different_elements ... ok
Nov 18 13:38:59.869 INFO [stdout] test algorithm::slide_test::test_slide_left_with_four_same_elements ... ok
Nov 18 13:38:59.869 INFO [stdout] 
Nov 18 13:38:59.869 INFO [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 18 13:38:59.870 INFO [stdout] 
Nov 18 13:38:59.887 INFO [stderr] su: No module specific data is present
Nov 18 13:39:00.184 INFO running `"docker" "inspect" "d639525f722e71d04c9f9813f382052704d41591e32b47352987ac8ccd06e0b8"`
Nov 18 13:39:00.366 INFO running `"docker" "rm" "-f" "d639525f722e71d04c9f9813f382052704d41591e32b47352987ac8ccd06e0b8"`
Nov 18 13:39:00.548 INFO [stdout] d639525f722e71d04c9f9813f382052704d41591e32b47352987ac8ccd06e0b8