Jul 12 09:09:50.135 INFO checking game-2048-0.5.1 against try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255 for pr-52234
Jul 12 09:09:50.135 INFO running: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 12 09:09:50.135 INFO creating container for: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 12 09:09:50.135 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-52234/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-0/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/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 +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 12 09:09:50.422 INFO blam! 63760f805c07df02c73e9c712f081a1fa769d792f9d1fe1f058b6ca30964e81c
Jul 12 09:09:50.424 INFO running `"docker" "start" "-a" "63760f805c07df02c73e9c712f081a1fa769d792f9d1fe1f058b6ca30964e81c"`
Jul 12 09:09:51.354 INFO kablam!     Checking matrix_display v0.3.0
Jul 12 09:09:52.227 INFO kablam!     Checking game-2048 v0.5.1 (file:///source)
Jul 12 09:09:53.558 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Jul 12 09:09:53.558 INFO kablam!  --> src/board.rs:3:24
Jul 12 09:09:53.558 INFO kablam!   |
Jul 12 09:09:53.558 INFO kablam! 3 | use rand::{thread_rng, sample};
Jul 12 09:09:53.558 INFO kablam!   |                        ^^^^^^
Jul 12 09:09:53.558 INFO kablam!   |
Jul 12 09:09:53.558 INFO kablam!   = note: #[warn(deprecated)] on by default
Jul 12 09:09:53.558 INFO kablam! 
Jul 12 09:09:53.559 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Jul 12 09:09:53.559 INFO kablam!   --> src/board.rs:57:22
Jul 12 09:09:53.559 INFO kablam!    |
Jul 12 09:09:53.559 INFO kablam! 57 |         let mut fw = sample(&mut rng, 1..256, 17);
Jul 12 09:09:53.559 INFO kablam!    |                      ^^^^^^
Jul 12 09:09:53.559 INFO kablam! 
Jul 12 09:09:53.829 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Jul 12 09:09:53.829 INFO kablam!  --> src/board.rs:3:24
Jul 12 09:09:53.829 INFO kablam!   |
Jul 12 09:09:53.829 INFO kablam! 3 | use rand::{thread_rng, sample};
Jul 12 09:09:53.829 INFO kablam!   |                        ^^^^^^
Jul 12 09:09:53.829 INFO kablam!   |
Jul 12 09:09:53.829 INFO kablam!   = note: #[warn(deprecated)] on by default
Jul 12 09:09:53.829 INFO kablam! 
Jul 12 09:09:53.830 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Jul 12 09:09:53.830 INFO kablam!   --> src/board.rs:57:22
Jul 12 09:09:53.830 INFO kablam!    |
Jul 12 09:09:53.830 INFO kablam! 57 |         let mut fw = sample(&mut rng, 1..256, 17);
Jul 12 09:09:53.830 INFO kablam!    |                      ^^^^^^
Jul 12 09:09:53.830 INFO kablam! 
Jul 12 09:09:54.119 INFO kablam! warning: floating-point types cannot be used in patterns
Jul 12 09:09:54.119 INFO kablam!   --> src/board.rs:22:22
Jul 12 09:09:54.119 INFO kablam!    |
Jul 12 09:09:54.119 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Jul 12 09:09:54.119 INFO kablam!    |                      ^^^^^
Jul 12 09:09:54.119 INFO kablam!    |
Jul 12 09:09:54.119 INFO kablam!    = note: #[warn(illegal_floating_point_literal_pattern)] on by default
Jul 12 09:09:54.119 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 09:09:54.119 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Jul 12 09:09:54.119 INFO kablam! 
Jul 12 09:09:54.170 INFO kablam! warning: floating-point types cannot be used in patterns
Jul 12 09:09:54.170 INFO kablam!   --> src/board.rs:22:22
Jul 12 09:09:54.170 INFO kablam!    |
Jul 12 09:09:54.171 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Jul 12 09:09:54.171 INFO kablam!    |                      ^^^^^
Jul 12 09:09:54.171 INFO kablam!    |
Jul 12 09:09:54.171 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 09:09:54.171 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Jul 12 09:09:54.171 INFO kablam! 
Jul 12 09:09:54.248 INFO kablam! warning: variable does not need to be mutable
Jul 12 09:09:54.248 INFO kablam!   --> src/game.rs:70:19
Jul 12 09:09:54.248 INFO kablam!    |
Jul 12 09:09:54.248 INFO kablam! 70 |             .map(|mut row| {
Jul 12 09:09:54.248 INFO kablam!    |                   ----^^^
Jul 12 09:09:54.248 INFO kablam!    |                   |
Jul 12 09:09:54.248 INFO kablam!    |                   help: remove this `mut`
Jul 12 09:09:54.248 INFO kablam!    |
Jul 12 09:09:54.248 INFO kablam!    = note: #[warn(unused_mut)] on by default
Jul 12 09:09:54.248 INFO kablam! 
Jul 12 09:09:54.272 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Jul 12 09:09:54.273 INFO kablam!   --> src/game.rs:68:9
Jul 12 09:09:54.273 INFO kablam!    |
Jul 12 09:09:54.273 INFO kablam! 68 | /         self.data
Jul 12 09:09:54.273 INFO kablam! 69 | |             .chunks_mut(4)
Jul 12 09:09:54.273 INFO kablam! 70 | |             .map(|mut row| {
Jul 12 09:09:54.273 INFO kablam! 71 | |                 let (new_row, new_score) = match dir {
Jul 12 09:09:54.273 INFO kablam! ...  |
Jul 12 09:09:54.273 INFO kablam! 86 | |             })
Jul 12 09:09:54.273 INFO kablam! 87 | |             .collect::<Vec<_>>();
Jul 12 09:09:54.273 INFO kablam!    | |_________________________________^
Jul 12 09:09:54.273 INFO kablam!    |
Jul 12 09:09:54.273 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Jul 12 09:09:54.273 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Jul 12 09:09:54.273 INFO kablam! 
Jul 12 09:09:54.643 INFO kablam! warning: floating-point types cannot be used in patterns
Jul 12 09:09:54.643 INFO kablam!   --> src/board.rs:22:22
Jul 12 09:09:54.643 INFO kablam!    |
Jul 12 09:09:54.643 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Jul 12 09:09:54.643 INFO kablam!    |                      ^^^^^
Jul 12 09:09:54.643 INFO kablam!    |
Jul 12 09:09:54.643 INFO kablam!    = note: #[warn(illegal_floating_point_literal_pattern)] on by default
Jul 12 09:09:54.643 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 09:09:54.643 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Jul 12 09:09:54.643 INFO kablam! 
Jul 12 09:09:54.748 INFO kablam! warning: floating-point types cannot be used in patterns
Jul 12 09:09:54.748 INFO kablam!   --> src/board.rs:22:22
Jul 12 09:09:54.748 INFO kablam!    |
Jul 12 09:09:54.748 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Jul 12 09:09:54.748 INFO kablam!    |                      ^^^^^
Jul 12 09:09:54.748 INFO kablam!    |
Jul 12 09:09:54.748 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 09:09:54.748 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Jul 12 09:09:54.748 INFO kablam! 
Jul 12 09:09:54.812 INFO kablam! warning: variable does not need to be mutable
Jul 12 09:09:54.812 INFO kablam!   --> src/game.rs:70:19
Jul 12 09:09:54.812 INFO kablam!    |
Jul 12 09:09:54.812 INFO kablam! 70 |             .map(|mut row| {
Jul 12 09:09:54.812 INFO kablam!    |                   ----^^^
Jul 12 09:09:54.812 INFO kablam!    |                   |
Jul 12 09:09:54.812 INFO kablam!    |                   help: remove this `mut`
Jul 12 09:09:54.812 INFO kablam!    |
Jul 12 09:09:54.812 INFO kablam!    = note: #[warn(unused_mut)] on by default
Jul 12 09:09:54.812 INFO kablam! 
Jul 12 09:09:54.837 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Jul 12 09:09:54.837 INFO kablam!   --> src/game.rs:68:9
Jul 12 09:09:54.837 INFO kablam!    |
Jul 12 09:09:54.837 INFO kablam! 68 | /         self.data
Jul 12 09:09:54.837 INFO kablam! 69 | |             .chunks_mut(4)
Jul 12 09:09:54.838 INFO kablam! 70 | |             .map(|mut row| {
Jul 12 09:09:54.838 INFO kablam! 71 | |                 let (new_row, new_score) = match dir {
Jul 12 09:09:54.838 INFO kablam! ...  |
Jul 12 09:09:54.838 INFO kablam! 86 | |             })
Jul 12 09:09:54.838 INFO kablam! 87 | |             .collect::<Vec<_>>();
Jul 12 09:09:54.838 INFO kablam!    | |_________________________________^
Jul 12 09:09:54.838 INFO kablam!    |
Jul 12 09:09:54.838 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Jul 12 09:09:54.838 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Jul 12 09:09:54.838 INFO kablam! 
Jul 12 09:09:54.891 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.63s
Jul 12 09:09:54.903 INFO kablam! su: No module specific data is present
Jul 12 09:09:55.393 INFO running `"docker" "rm" "-f" "63760f805c07df02c73e9c712f081a1fa769d792f9d1fe1f058b6ca30964e81c"`
Jul 12 09:09:55.559 INFO blam! 63760f805c07df02c73e9c712f081a1fa769d792f9d1fe1f058b6ca30964e81c