Nov 29 01:15:59.930 INFO checking game-2048-0.5.1 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 29 01:15:59.932 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-3/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 29 01:16:00.331 INFO [stdout] 0fc6a44ba0f27706974117b43ac8ecf64f1ddeb72e6988b4814376c47f45a32c
Nov 29 01:16:00.333 INFO running `"docker" "start" "-a" "0fc6a44ba0f27706974117b43ac8ecf64f1ddeb72e6988b4814376c47f45a32c"`
Nov 29 01:16:02.457 INFO [stderr] usermod: no changes
Nov 29 01:16:02.596 INFO [stderr]     Checking matrix_display v0.3.0
Nov 29 01:16:03.516 INFO [stderr]     Checking game-2048 v0.5.1 (/source)
Nov 29 01:16:05.908 INFO [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Nov 29 01:16:05.908 INFO [stderr]  --> src/board.rs:3:24
Nov 29 01:16:05.908 INFO [stderr]   |
Nov 29 01:16:05.908 INFO [stderr] 3 | use rand::{thread_rng, sample};
Nov 29 01:16:05.908 INFO [stderr]   |                        ^^^^^^
Nov 29 01:16:05.908 INFO [stderr]   |
Nov 29 01:16:05.924 INFO [stderr]   = note: #[warn(deprecated)] on by default
Nov 29 01:16:05.924 INFO [stderr] 
Nov 29 01:16:05.924 INFO [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Nov 29 01:16:05.924 INFO [stderr]   --> src/board.rs:57:22
Nov 29 01:16:05.924 INFO [stderr]    |
Nov 29 01:16:05.924 INFO [stderr] 57 |         let mut fw = sample(&mut rng, 1..256, 17);
Nov 29 01:16:05.924 INFO [stderr]    |                      ^^^^^^
Nov 29 01:16:05.924 INFO [stderr] 
Nov 29 01:16:05.968 INFO [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Nov 29 01:16:05.968 INFO [stderr]  --> src/board.rs:3:24
Nov 29 01:16:05.968 INFO [stderr]   |
Nov 29 01:16:05.968 INFO [stderr] 3 | use rand::{thread_rng, sample};
Nov 29 01:16:05.968 INFO [stderr]   |                        ^^^^^^
Nov 29 01:16:05.968 INFO [stderr]   |
Nov 29 01:16:05.968 INFO [stderr]   = note: #[warn(deprecated)] on by default
Nov 29 01:16:05.968 INFO [stderr] 
Nov 29 01:16:05.968 INFO [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Nov 29 01:16:05.968 INFO [stderr]   --> src/board.rs:57:22
Nov 29 01:16:05.968 INFO [stderr]    |
Nov 29 01:16:05.968 INFO [stderr] 57 |         let mut fw = sample(&mut rng, 1..256, 17);
Nov 29 01:16:05.968 INFO [stderr]    |                      ^^^^^^
Nov 29 01:16:05.968 INFO [stderr] 
Nov 29 01:16:06.217 INFO [stderr] warning: floating-point types cannot be used in patterns
Nov 29 01:16:06.217 INFO [stderr]   --> src/board.rs:22:22
Nov 29 01:16:06.217 INFO [stderr]    |
Nov 29 01:16:06.217 INFO [stderr] 22 |                      1_f64 => (".".to_string(), col),
Nov 29 01:16:06.217 INFO [stderr]    |                      ^^^^^
Nov 29 01:16:06.217 INFO [stderr]    |
Nov 29 01:16:06.217 INFO [stderr]    = note: #[warn(illegal_floating_point_literal_pattern)] on by default
Nov 29 01:16:06.217 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 29 01:16:06.217 INFO [stderr]    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Nov 29 01:16:06.217 INFO [stderr] 
Nov 29 01:16:06.236 INFO [stderr] warning: floating-point types cannot be used in patterns
Nov 29 01:16:06.236 INFO [stderr]   --> src/board.rs:22:22
Nov 29 01:16:06.236 INFO [stderr]    |
Nov 29 01:16:06.236 INFO [stderr] 22 |                      1_f64 => (".".to_string(), col),
Nov 29 01:16:06.236 INFO [stderr]    |                      ^^^^^
Nov 29 01:16:06.236 INFO [stderr]    |
Nov 29 01:16:06.236 INFO [stderr]    = note: #[warn(illegal_floating_point_literal_pattern)] on by default
Nov 29 01:16:06.236 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 29 01:16:06.236 INFO [stderr]    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Nov 29 01:16:06.236 INFO [stderr] 
Nov 29 01:16:06.280 INFO [stderr] warning: floating-point types cannot be used in patterns
Nov 29 01:16:06.280 INFO [stderr]   --> src/board.rs:22:22
Nov 29 01:16:06.280 INFO [stderr]    |
Nov 29 01:16:06.280 INFO [stderr] 22 |                      1_f64 => (".".to_string(), col),
Nov 29 01:16:06.280 INFO [stderr]    |                      ^^^^^
Nov 29 01:16:06.280 INFO [stderr]    |
Nov 29 01:16:06.280 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 29 01:16:06.280 INFO [stderr]    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Nov 29 01:16:06.280 INFO [stderr] 
Nov 29 01:16:06.316 INFO [stderr] warning: variable does not need to be mutable
Nov 29 01:16:06.316 INFO [stderr]   --> src/game.rs:70:19
Nov 29 01:16:06.316 INFO [stderr]    |
Nov 29 01:16:06.316 INFO [stderr] 70 |             .map(|mut row| {
Nov 29 01:16:06.316 INFO [stderr]    |                   ----^^^
Nov 29 01:16:06.316 INFO [stderr]    |                   |
Nov 29 01:16:06.316 INFO [stderr]    |                   help: remove this `mut`
Nov 29 01:16:06.316 INFO [stderr]    |
Nov 29 01:16:06.316 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 01:16:06.316 INFO [stderr] 
Nov 29 01:16:06.328 INFO [stderr] warning: floating-point types cannot be used in patterns
Nov 29 01:16:06.328 INFO [stderr]   --> src/board.rs:22:22
Nov 29 01:16:06.328 INFO [stderr]    |
Nov 29 01:16:06.328 INFO [stderr] 22 |                      1_f64 => (".".to_string(), col),
Nov 29 01:16:06.328 INFO [stderr]    |                      ^^^^^
Nov 29 01:16:06.328 INFO [stderr]    |
Nov 29 01:16:06.328 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 29 01:16:06.328 INFO [stderr]    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Nov 29 01:16:06.328 INFO [stderr] 
Nov 29 01:16:06.340 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 29 01:16:06.340 INFO [stderr]   --> src/game.rs:68:9
Nov 29 01:16:06.340 INFO [stderr]    |
Nov 29 01:16:06.340 INFO [stderr] 68 | /         self.data
Nov 29 01:16:06.340 INFO [stderr] 69 | |             .chunks_mut(4)
Nov 29 01:16:06.340 INFO [stderr] 70 | |             .map(|mut row| {
Nov 29 01:16:06.340 INFO [stderr] 71 | |                 let (new_row, new_score) = match dir {
Nov 29 01:16:06.340 INFO [stderr] ...  |
Nov 29 01:16:06.340 INFO [stderr] 86 | |             })
Nov 29 01:16:06.340 INFO [stderr] 87 | |             .collect::<Vec<_>>();
Nov 29 01:16:06.340 INFO [stderr]    | |_________________________________^
Nov 29 01:16:06.340 INFO [stderr]    |
Nov 29 01:16:06.340 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 01:16:06.340 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 29 01:16:06.340 INFO [stderr] 
Nov 29 01:16:06.364 INFO [stderr] warning: variable does not need to be mutable
Nov 29 01:16:06.364 INFO [stderr]   --> src/game.rs:70:19
Nov 29 01:16:06.364 INFO [stderr]    |
Nov 29 01:16:06.364 INFO [stderr] 70 |             .map(|mut row| {
Nov 29 01:16:06.364 INFO [stderr]    |                   ----^^^
Nov 29 01:16:06.364 INFO [stderr]    |                   |
Nov 29 01:16:06.364 INFO [stderr]    |                   help: remove this `mut`
Nov 29 01:16:06.364 INFO [stderr]    |
Nov 29 01:16:06.364 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 01:16:06.364 INFO [stderr] 
Nov 29 01:16:06.408 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 29 01:16:06.408 INFO [stderr]   --> src/game.rs:68:9
Nov 29 01:16:06.408 INFO [stderr]    |
Nov 29 01:16:06.408 INFO [stderr] 68 | /         self.data
Nov 29 01:16:06.408 INFO [stderr] 69 | |             .chunks_mut(4)
Nov 29 01:16:06.408 INFO [stderr] 70 | |             .map(|mut row| {
Nov 29 01:16:06.408 INFO [stderr] 71 | |                 let (new_row, new_score) = match dir {
Nov 29 01:16:06.408 INFO [stderr] ...  |
Nov 29 01:16:06.408 INFO [stderr] 86 | |             })
Nov 29 01:16:06.408 INFO [stderr] 87 | |             .collect::<Vec<_>>();
Nov 29 01:16:06.408 INFO [stderr]    | |_________________________________^
Nov 29 01:16:06.408 INFO [stderr]    |
Nov 29 01:16:06.408 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 01:16:06.408 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 29 01:16:06.408 INFO [stderr] 
Nov 29 01:16:06.448 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.96s
Nov 29 01:16:06.448 INFO [stderr] su: No module specific data is present
Nov 29 01:16:07.964 INFO running `"docker" "inspect" "0fc6a44ba0f27706974117b43ac8ecf64f1ddeb72e6988b4814376c47f45a32c"`
Nov 29 01:16:08.281 INFO running `"docker" "rm" "-f" "0fc6a44ba0f27706974117b43ac8ecf64f1ddeb72e6988b4814376c47f45a32c"`
Nov 29 01:16:08.609 INFO [stdout] 0fc6a44ba0f27706974117b43ac8ecf64f1ddeb72e6988b4814376c47f45a32c