Jul 12 09:09:58.238 INFO checking game-2048-0.5.1 against master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9 for pr-52234
Jul 12 09:09:58.238 INFO running: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 12 09:09:58.238 INFO creating container for: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 12 09:09:58.239 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-52234/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-5/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 12 09:09:58.470 INFO blam! 70243256883b48850b0430a5b126637a07a7f4e0650c42cf1e7704271fe5f69e
Jul 12 09:09:58.473 INFO running `"docker" "start" "-a" "70243256883b48850b0430a5b126637a07a7f4e0650c42cf1e7704271fe5f69e"`
Jul 12 09:09:59.488 INFO kablam!     Checking matrix_display v0.3.0
Jul 12 09:10:00.683 INFO kablam!     Checking game-2048 v0.5.1 (file:///source)
Jul 12 09:10:02.131 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Jul 12 09:10:02.131 INFO kablam!  --> src/board.rs:3:24
Jul 12 09:10:02.131 INFO kablam!   |
Jul 12 09:10:02.132 INFO kablam! 3 | use rand::{thread_rng, sample};
Jul 12 09:10:02.132 INFO kablam!   |                        ^^^^^^
Jul 12 09:10:02.132 INFO kablam!   |
Jul 12 09:10:02.132 INFO kablam!   = note: #[warn(deprecated)] on by default
Jul 12 09:10:02.132 INFO kablam! 
Jul 12 09:10:02.132 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Jul 12 09:10:02.133 INFO kablam!   --> src/board.rs:57:22
Jul 12 09:10:02.133 INFO kablam!    |
Jul 12 09:10:02.133 INFO kablam! 57 |         let mut fw = sample(&mut rng, 1..256, 17);
Jul 12 09:10:02.133 INFO kablam!    |                      ^^^^^^
Jul 12 09:10:02.133 INFO kablam! 
Jul 12 09:10:02.396 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Jul 12 09:10:02.396 INFO kablam!  --> src/board.rs:3:24
Jul 12 09:10:02.396 INFO kablam!   |
Jul 12 09:10:02.396 INFO kablam! 3 | use rand::{thread_rng, sample};
Jul 12 09:10:02.396 INFO kablam!   |                        ^^^^^^
Jul 12 09:10:02.406 INFO kablam!   |
Jul 12 09:10:02.406 INFO kablam!   = note: #[warn(deprecated)] on by default
Jul 12 09:10:02.406 INFO kablam! 
Jul 12 09:10:02.407 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Jul 12 09:10:02.407 INFO kablam!   --> src/board.rs:57:22
Jul 12 09:10:02.407 INFO kablam!    |
Jul 12 09:10:02.407 INFO kablam! 57 |         let mut fw = sample(&mut rng, 1..256, 17);
Jul 12 09:10:02.407 INFO kablam!    |                      ^^^^^^
Jul 12 09:10:02.407 INFO kablam! 
Jul 12 09:10:02.706 INFO kablam! warning: floating-point types cannot be used in patterns
Jul 12 09:10:02.706 INFO kablam!   --> src/board.rs:22:22
Jul 12 09:10:02.706 INFO kablam!    |
Jul 12 09:10:02.706 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Jul 12 09:10:02.706 INFO kablam!    |                      ^^^^^
Jul 12 09:10:02.706 INFO kablam!    |
Jul 12 09:10:02.706 INFO kablam!    = note: #[warn(illegal_floating_point_literal_pattern)] on by default
Jul 12 09:10:02.706 INFO kablam!    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Jul 12 09:10:02.707 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Jul 12 09:10:02.707 INFO kablam! 
Jul 12 09:10:02.744 INFO kablam! warning: floating-point types cannot be used in patterns
Jul 12 09:10:02.744 INFO kablam!   --> src/board.rs:22:22
Jul 12 09:10:02.744 INFO kablam!    |
Jul 12 09:10:02.744 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Jul 12 09:10:02.744 INFO kablam!    |                      ^^^^^
Jul 12 09:10:02.744 INFO kablam!    |
Jul 12 09:10:02.745 INFO kablam!    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Jul 12 09:10:02.745 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Jul 12 09:10:02.745 INFO kablam! 
Jul 12 09:10:02.816 INFO kablam! warning: variable does not need to be mutable
Jul 12 09:10:02.816 INFO kablam!   --> src/game.rs:70:19
Jul 12 09:10:02.816 INFO kablam!    |
Jul 12 09:10:02.816 INFO kablam! 70 |             .map(|mut row| {
Jul 12 09:10:02.816 INFO kablam!    |                   ----^^^
Jul 12 09:10:02.816 INFO kablam!    |                   |
Jul 12 09:10:02.816 INFO kablam!    |                   help: remove this `mut`
Jul 12 09:10:02.818 INFO kablam!    |
Jul 12 09:10:02.818 INFO kablam!    = note: #[warn(unused_mut)] on by default
Jul 12 09:10:02.818 INFO kablam! 
Jul 12 09:10:02.836 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Jul 12 09:10:02.836 INFO kablam!   --> src/game.rs:68:9
Jul 12 09:10:02.836 INFO kablam!    |
Jul 12 09:10:02.836 INFO kablam! 68 | /         self.data
Jul 12 09:10:02.836 INFO kablam! 69 | |             .chunks_mut(4)
Jul 12 09:10:02.836 INFO kablam! 70 | |             .map(|mut row| {
Jul 12 09:10:02.836 INFO kablam! 71 | |                 let (new_row, new_score) = match dir {
Jul 12 09:10:02.836 INFO kablam! ...  |
Jul 12 09:10:02.836 INFO kablam! 86 | |             })
Jul 12 09:10:02.836 INFO kablam! 87 | |             .collect::<Vec<_>>();
Jul 12 09:10:02.836 INFO kablam!    | |_________________________________^
Jul 12 09:10:02.836 INFO kablam!    |
Jul 12 09:10:02.836 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Jul 12 09:10:02.836 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Jul 12 09:10:02.836 INFO kablam! 
Jul 12 09:10:03.126 INFO kablam! warning: floating-point types cannot be used in patterns
Jul 12 09:10:03.126 INFO kablam!   --> src/board.rs:22:22
Jul 12 09:10:03.126 INFO kablam!    |
Jul 12 09:10:03.126 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Jul 12 09:10:03.126 INFO kablam!    |                      ^^^^^
Jul 12 09:10:03.126 INFO kablam!    |
Jul 12 09:10:03.126 INFO kablam!    = note: #[warn(illegal_floating_point_literal_pattern)] on by default
Jul 12 09:10:03.127 INFO kablam!    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Jul 12 09:10:03.127 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Jul 12 09:10:03.127 INFO kablam! 
Jul 12 09:10:03.198 INFO kablam! warning: floating-point types cannot be used in patterns
Jul 12 09:10:03.198 INFO kablam!   --> src/board.rs:22:22
Jul 12 09:10:03.198 INFO kablam!    |
Jul 12 09:10:03.198 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Jul 12 09:10:03.198 INFO kablam!    |                      ^^^^^
Jul 12 09:10:03.198 INFO kablam!    |
Jul 12 09:10:03.199 INFO kablam!    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Jul 12 09:10:03.199 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Jul 12 09:10:03.199 INFO kablam! 
Jul 12 09:10:03.258 INFO kablam! warning: variable does not need to be mutable
Jul 12 09:10:03.258 INFO kablam!   --> src/game.rs:70:19
Jul 12 09:10:03.258 INFO kablam!    |
Jul 12 09:10:03.258 INFO kablam! 70 |             .map(|mut row| {
Jul 12 09:10:03.258 INFO kablam!    |                   ----^^^
Jul 12 09:10:03.258 INFO kablam!    |                   |
Jul 12 09:10:03.258 INFO kablam!    |                   help: remove this `mut`
Jul 12 09:10:03.258 INFO kablam!    |
Jul 12 09:10:03.258 INFO kablam!    = note: #[warn(unused_mut)] on by default
Jul 12 09:10:03.258 INFO kablam! 
Jul 12 09:10:03.276 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Jul 12 09:10:03.276 INFO kablam!   --> src/game.rs:68:9
Jul 12 09:10:03.276 INFO kablam!    |
Jul 12 09:10:03.276 INFO kablam! 68 | /         self.data
Jul 12 09:10:03.276 INFO kablam! 69 | |             .chunks_mut(4)
Jul 12 09:10:03.276 INFO kablam! 70 | |             .map(|mut row| {
Jul 12 09:10:03.276 INFO kablam! 71 | |                 let (new_row, new_score) = match dir {
Jul 12 09:10:03.276 INFO kablam! ...  |
Jul 12 09:10:03.276 INFO kablam! 86 | |             })
Jul 12 09:10:03.276 INFO kablam! 87 | |             .collect::<Vec<_>>();
Jul 12 09:10:03.276 INFO kablam!    | |_________________________________^
Jul 12 09:10:03.277 INFO kablam!    |
Jul 12 09:10:03.277 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Jul 12 09:10:03.277 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Jul 12 09:10:03.277 INFO kablam! 
Jul 12 09:10:03.362 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.01s
Jul 12 09:10:03.368 INFO kablam! su: No module specific data is present
Jul 12 09:10:03.859 INFO running `"docker" "rm" "-f" "70243256883b48850b0430a5b126637a07a7f4e0650c42cf1e7704271fe5f69e"`
Jul 12 09:10:04.038 INFO blam! 70243256883b48850b0430a5b126637a07a7f4e0650c42cf1e7704271fe5f69e