Dec 07 16:00:01.024 INFO testing game-2048-0.5.1 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 07 16:00:01.024 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 07 16:00:01.499 INFO [stdout] 653d06e61ce5857769ebd97a096621e063f2101805663efc50d55a3574367a55
Dec 07 16:00:01.502 INFO running `"docker" "start" "-a" "653d06e61ce5857769ebd97a096621e063f2101805663efc50d55a3574367a55"`
Dec 07 16:00:02.540 INFO [stderr] usermod: no changes
Dec 07 16:00:02.630 INFO [stderr]    Compiling matrix_display v0.3.0
Dec 07 16:00:03.749 INFO [stderr]    Compiling game-2048 v0.5.1 (/source)
Dec 07 16:00:05.248 INFO [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Dec 07 16:00:05.248 INFO [stderr]  --> src/board.rs:3:24
Dec 07 16:00:05.248 INFO [stderr]   |
Dec 07 16:00:05.248 INFO [stderr] 3 | use rand::{thread_rng, sample};
Dec 07 16:00:05.248 INFO [stderr]   |                        ^^^^^^
Dec 07 16:00:05.248 INFO [stderr]   |
Dec 07 16:00:05.248 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 07 16:00:05.248 INFO [stderr] 
Dec 07 16:00:05.248 INFO [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Dec 07 16:00:05.248 INFO [stderr]   --> src/board.rs:57:22
Dec 07 16:00:05.248 INFO [stderr]    |
Dec 07 16:00:05.248 INFO [stderr] 57 |         let mut fw = sample(&mut rng, 1..256, 17);
Dec 07 16:00:05.248 INFO [stderr]    |                      ^^^^^^
Dec 07 16:00:05.248 INFO [stderr] 
Dec 07 16:00:05.341 INFO [stderr] warning: floating-point types cannot be used in patterns
Dec 07 16:00:05.341 INFO [stderr]   --> src/board.rs:22:22
Dec 07 16:00:05.341 INFO [stderr]    |
Dec 07 16:00:05.341 INFO [stderr] 22 |                      1_f64 => (".".to_string(), col),
Dec 07 16:00:05.341 INFO [stderr]    |                      ^^^^^
Dec 07 16:00:05.341 INFO [stderr]    |
Dec 07 16:00:05.341 INFO [stderr]    = note: #[warn(illegal_floating_point_literal_pattern)] on by default
Dec 07 16:00:05.341 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 07 16:00:05.341 INFO [stderr]    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Dec 07 16:00:05.341 INFO [stderr] 
Dec 07 16:00:05.341 INFO [stderr] warning: floating-point types cannot be used in patterns
Dec 07 16:00:05.341 INFO [stderr]   --> src/board.rs:22:22
Dec 07 16:00:05.341 INFO [stderr]    |
Dec 07 16:00:05.342 INFO [stderr] 22 |                      1_f64 => (".".to_string(), col),
Dec 07 16:00:05.342 INFO [stderr]    |                      ^^^^^
Dec 07 16:00:05.342 INFO [stderr]    |
Dec 07 16:00:05.342 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 07 16:00:05.342 INFO [stderr]    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Dec 07 16:00:05.342 INFO [stderr] 
Dec 07 16:00:05.356 INFO [stderr] warning: variable does not need to be mutable
Dec 07 16:00:05.356 INFO [stderr]   --> src/game.rs:70:19
Dec 07 16:00:05.356 INFO [stderr]    |
Dec 07 16:00:05.356 INFO [stderr] 70 |             .map(|mut row| {
Dec 07 16:00:05.356 INFO [stderr]    |                   ----^^^
Dec 07 16:00:05.356 INFO [stderr]    |                   |
Dec 07 16:00:05.356 INFO [stderr]    |                   help: remove this `mut`
Dec 07 16:00:05.356 INFO [stderr]    |
Dec 07 16:00:05.356 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 07 16:00:05.356 INFO [stderr] 
Dec 07 16:00:05.363 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 07 16:00:05.363 INFO [stderr]   --> src/game.rs:68:9
Dec 07 16:00:05.363 INFO [stderr]    |
Dec 07 16:00:05.363 INFO [stderr] 68 | /         self.data
Dec 07 16:00:05.363 INFO [stderr] 69 | |             .chunks_mut(4)
Dec 07 16:00:05.363 INFO [stderr] 70 | |             .map(|mut row| {
Dec 07 16:00:05.364 INFO [stderr] 71 | |                 let (new_row, new_score) = match dir {
Dec 07 16:00:05.364 INFO [stderr] ...  |
Dec 07 16:00:05.364 INFO [stderr] 86 | |             })
Dec 07 16:00:05.364 INFO [stderr] 87 | |             .collect::<Vec<_>>();
Dec 07 16:00:05.364 INFO [stderr]    | |_________________________________^
Dec 07 16:00:05.364 INFO [stderr]    |
Dec 07 16:00:05.364 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 07 16:00:05.365 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 07 16:00:05.365 INFO [stderr] 
Dec 07 16:00:07.201 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.63s
Dec 07 16:00:07.207 INFO [stderr] su: No module specific data is present
Dec 07 16:00:07.770 INFO running `"docker" "inspect" "653d06e61ce5857769ebd97a096621e063f2101805663efc50d55a3574367a55"`
Dec 07 16:00:08.040 INFO running `"docker" "rm" "-f" "653d06e61ce5857769ebd97a096621e063f2101805663efc50d55a3574367a55"`
Dec 07 16:00:08.236 INFO [stdout] 653d06e61ce5857769ebd97a096621e063f2101805663efc50d55a3574367a55
Dec 07 16:00:08.242 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 07 16:00:08.598 INFO [stdout] 226c88590ebd80ec51125f0d1600f4d2e6c15d29fdc1bd8ccc77a685c451e2af
Dec 07 16:00:08.606 INFO running `"docker" "start" "-a" "226c88590ebd80ec51125f0d1600f4d2e6c15d29fdc1bd8ccc77a685c451e2af"`
Dec 07 16:00:09.653 INFO [stderr] usermod: no changes
Dec 07 16:00:09.737 INFO [stderr]    Compiling game-2048 v0.5.1 (/source)
Dec 07 16:00:10.952 INFO [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Dec 07 16:00:10.952 INFO [stderr]  --> src/board.rs:3:24
Dec 07 16:00:10.952 INFO [stderr]   |
Dec 07 16:00:10.952 INFO [stderr] 3 | use rand::{thread_rng, sample};
Dec 07 16:00:10.952 INFO [stderr]   |                        ^^^^^^
Dec 07 16:00:10.952 INFO [stderr]   |
Dec 07 16:00:10.952 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 07 16:00:10.952 INFO [stderr] 
Dec 07 16:00:10.952 INFO [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Dec 07 16:00:10.952 INFO [stderr]   --> src/board.rs:57:22
Dec 07 16:00:10.952 INFO [stderr]    |
Dec 07 16:00:10.952 INFO [stderr] 57 |         let mut fw = sample(&mut rng, 1..256, 17);
Dec 07 16:00:10.952 INFO [stderr]    |                      ^^^^^^
Dec 07 16:00:10.952 INFO [stderr] 
Dec 07 16:00:11.093 INFO [stderr] warning: floating-point types cannot be used in patterns
Dec 07 16:00:11.093 INFO [stderr]   --> src/board.rs:22:22
Dec 07 16:00:11.093 INFO [stderr]    |
Dec 07 16:00:11.093 INFO [stderr] 22 |                      1_f64 => (".".to_string(), col),
Dec 07 16:00:11.093 INFO [stderr]    |                      ^^^^^
Dec 07 16:00:11.093 INFO [stderr]    |
Dec 07 16:00:11.093 INFO [stderr]    = note: #[warn(illegal_floating_point_literal_pattern)] on by default
Dec 07 16:00:11.093 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 07 16:00:11.093 INFO [stderr]    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Dec 07 16:00:11.093 INFO [stderr] 
Dec 07 16:00:11.127 INFO [stderr] warning: floating-point types cannot be used in patterns
Dec 07 16:00:11.127 INFO [stderr]   --> src/board.rs:22:22
Dec 07 16:00:11.127 INFO [stderr]    |
Dec 07 16:00:11.127 INFO [stderr] 22 |                      1_f64 => (".".to_string(), col),
Dec 07 16:00:11.127 INFO [stderr]    |                      ^^^^^
Dec 07 16:00:11.127 INFO [stderr]    |
Dec 07 16:00:11.127 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 07 16:00:11.127 INFO [stderr]    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Dec 07 16:00:11.127 INFO [stderr] 
Dec 07 16:00:11.142 INFO [stderr] warning: variable does not need to be mutable
Dec 07 16:00:11.142 INFO [stderr]   --> src/game.rs:70:19
Dec 07 16:00:11.142 INFO [stderr]    |
Dec 07 16:00:11.142 INFO [stderr] 70 |             .map(|mut row| {
Dec 07 16:00:11.142 INFO [stderr]    |                   ----^^^
Dec 07 16:00:11.142 INFO [stderr]    |                   |
Dec 07 16:00:11.142 INFO [stderr]    |                   help: remove this `mut`
Dec 07 16:00:11.142 INFO [stderr]    |
Dec 07 16:00:11.142 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 07 16:00:11.142 INFO [stderr] 
Dec 07 16:00:11.151 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 07 16:00:11.151 INFO [stderr]   --> src/game.rs:68:9
Dec 07 16:00:11.151 INFO [stderr]    |
Dec 07 16:00:11.151 INFO [stderr] 68 | /         self.data
Dec 07 16:00:11.151 INFO [stderr] 69 | |             .chunks_mut(4)
Dec 07 16:00:11.151 INFO [stderr] 70 | |             .map(|mut row| {
Dec 07 16:00:11.151 INFO [stderr] 71 | |                 let (new_row, new_score) = match dir {
Dec 07 16:00:11.151 INFO [stderr] ...  |
Dec 07 16:00:11.151 INFO [stderr] 86 | |             })
Dec 07 16:00:11.151 INFO [stderr] 87 | |             .collect::<Vec<_>>();
Dec 07 16:00:11.151 INFO [stderr]    | |_________________________________^
Dec 07 16:00:11.151 INFO [stderr]    |
Dec 07 16:00:11.151 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 07 16:00:11.151 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 07 16:00:11.151 INFO [stderr] 
Dec 07 16:00:11.687 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.00s
Dec 07 16:00:11.691 INFO [stderr] su: No module specific data is present
Dec 07 16:00:12.049 INFO running `"docker" "inspect" "226c88590ebd80ec51125f0d1600f4d2e6c15d29fdc1bd8ccc77a685c451e2af"`
Dec 07 16:00:12.146 INFO running `"docker" "rm" "-f" "226c88590ebd80ec51125f0d1600f4d2e6c15d29fdc1bd8ccc77a685c451e2af"`
Dec 07 16:00:12.252 INFO [stdout] 226c88590ebd80ec51125f0d1600f4d2e6c15d29fdc1bd8ccc77a685c451e2af
Dec 07 16:00:12.254 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 07 16:00:12.503 INFO [stdout] eaab8c8df583b1a7966af43e4f804eb7d9598572785cb1a85eb1323d807af423
Dec 07 16:00:12.505 INFO running `"docker" "start" "-a" "eaab8c8df583b1a7966af43e4f804eb7d9598572785cb1a85eb1323d807af423"`
Dec 07 16:00:12.990 INFO [stderr] usermod: no changes
Dec 07 16:00:13.044 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 07 16:00:13.045 INFO [stderr]      Running /target/debug/deps/game_2048-c2faa6eb7c910de1
Dec 07 16:00:13.047 INFO [stdout] 
Dec 07 16:00:13.047 INFO [stdout] running 14 tests
Dec 07 16:00:13.048 INFO [stdout] test algorithm::slide_test::test_slide_left_with_one_element ... ok
Dec 07 16:00:13.048 INFO [stdout] test algorithm::slide_test::test_slide_left_with_four_different_elements ... ok
Dec 07 16:00:13.048 INFO [stdout] test algorithm::slide_test::test_slide_left_with_three_different_elements ... ok
Dec 07 16:00:13.048 INFO [stdout] test algorithm::slide_test::test_slide_left_with_four_same_elements ... ok
Dec 07 16:00:13.048 INFO [stdout] test algorithm::slide_test::test_slide_left_with_three_same_elements ... ok
Dec 07 16:00:13.048 INFO [stdout] test algorithm::slide_test::test_slide_left_with_two_different_elements ... ok
Dec 07 16:00:13.048 INFO [stdout] test algorithm::slide_test::test_slide_right_with_four_different_elements ... ok
Dec 07 16:00:13.048 INFO [stdout] test algorithm::slide_test::test_slide_right_with_four_same_elements ... ok
Dec 07 16:00:13.048 INFO [stdout] test algorithm::slide_test::test_slide_right_with_one_element ... ok
Dec 07 16:00:13.048 INFO [stdout] test algorithm::slide_test::test_slide_right_with_three_different_elements ... ok
Dec 07 16:00:13.048 INFO [stdout] test algorithm::slide_test::test_slide_left_with_two_same_elements ... ok
Dec 07 16:00:13.048 INFO [stdout] test algorithm::slide_test::test_slide_right_with_three_same_elements ... ok
Dec 07 16:00:13.048 INFO [stdout] test algorithm::slide_test::test_slide_right_with_two_different_elements ... ok
Dec 07 16:00:13.052 INFO [stdout] test algorithm::slide_test::test_slide_right_with_two_same_elements ... ok
Dec 07 16:00:13.052 INFO [stdout] 
Dec 07 16:00:13.052 INFO [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 16:00:13.052 INFO [stdout] 
Dec 07 16:00:13.055 INFO [stderr] su: No module specific data is present
Dec 07 16:00:13.457 INFO running `"docker" "inspect" "eaab8c8df583b1a7966af43e4f804eb7d9598572785cb1a85eb1323d807af423"`
Dec 07 16:00:13.624 INFO running `"docker" "rm" "-f" "eaab8c8df583b1a7966af43e4f804eb7d9598572785cb1a85eb1323d807af423"`
Dec 07 16:00:13.799 INFO [stdout] eaab8c8df583b1a7966af43e4f804eb7d9598572785cb1a85eb1323d807af423