Sep 04 17:08:10.046 INFO checking game-2048-0.5.1 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 17:08:10.047 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 17:08:10.047 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-3/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/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 +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 17:08:10.262 INFO blam! 83cf3c91797df95c8cb0d0e57157521a3bef74b75013e1783116c19718bdf875
Sep 04 17:08:10.264 INFO running `"docker" "start" "-a" "83cf3c91797df95c8cb0d0e57157521a3bef74b75013e1783116c19718bdf875"`
Sep 04 17:08:11.012 INFO kablam!     Checking matrix_display v0.3.0
Sep 04 17:08:11.778 INFO kablam!     Checking game-2048 v0.5.1 (file:///source)
Sep 04 17:08:12.861 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Sep 04 17:08:12.861 INFO kablam!  --> src/board.rs:3:24
Sep 04 17:08:12.861 INFO kablam!   |
Sep 04 17:08:12.861 INFO kablam! 3 | use rand::{thread_rng, sample};
Sep 04 17:08:12.861 INFO kablam!   |                        ^^^^^^
Sep 04 17:08:12.861 INFO kablam!   |
Sep 04 17:08:12.861 INFO kablam!   = note: #[warn(deprecated)] on by default
Sep 04 17:08:12.861 INFO kablam! 
Sep 04 17:08:12.861 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Sep 04 17:08:12.861 INFO kablam!   --> src/board.rs:57:22
Sep 04 17:08:12.861 INFO kablam!    |
Sep 04 17:08:12.862 INFO kablam! 57 |         let mut fw = sample(&mut rng, 1..256, 17);
Sep 04 17:08:12.862 INFO kablam!    |                      ^^^^^^
Sep 04 17:08:12.862 INFO kablam! 
Sep 04 17:08:13.005 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Sep 04 17:08:13.005 INFO kablam!  --> src/board.rs:3:24
Sep 04 17:08:13.005 INFO kablam!   |
Sep 04 17:08:13.005 INFO kablam! 3 | use rand::{thread_rng, sample};
Sep 04 17:08:13.005 INFO kablam!   |                        ^^^^^^
Sep 04 17:08:13.005 INFO kablam!   |
Sep 04 17:08:13.006 INFO kablam!   = note: #[warn(deprecated)] on by default
Sep 04 17:08:13.006 INFO kablam! 
Sep 04 17:08:13.006 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Sep 04 17:08:13.006 INFO kablam!   --> src/board.rs:57:22
Sep 04 17:08:13.006 INFO kablam!    |
Sep 04 17:08:13.006 INFO kablam! 57 |         let mut fw = sample(&mut rng, 1..256, 17);
Sep 04 17:08:13.006 INFO kablam!    |                      ^^^^^^
Sep 04 17:08:13.006 INFO kablam! 
Sep 04 17:08:13.081 INFO kablam! warning: floating-point types cannot be used in patterns
Sep 04 17:08:13.081 INFO kablam!   --> src/board.rs:22:22
Sep 04 17:08:13.082 INFO kablam!    |
Sep 04 17:08:13.082 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Sep 04 17:08:13.082 INFO kablam!    |                      ^^^^^
Sep 04 17:08:13.082 INFO kablam!    |
Sep 04 17:08:13.082 INFO kablam!    = note: #[warn(illegal_floating_point_literal_pattern)] on by default
Sep 04 17:08:13.082 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!
Sep 04 17:08:13.082 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Sep 04 17:08:13.082 INFO kablam! 
Sep 04 17:08:13.105 INFO kablam! warning: floating-point types cannot be used in patterns
Sep 04 17:08:13.105 INFO kablam!   --> src/board.rs:22:22
Sep 04 17:08:13.106 INFO kablam!    |
Sep 04 17:08:13.106 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Sep 04 17:08:13.106 INFO kablam!    |                      ^^^^^
Sep 04 17:08:13.106 INFO kablam!    |
Sep 04 17:08:13.106 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!
Sep 04 17:08:13.106 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Sep 04 17:08:13.106 INFO kablam! 
Sep 04 17:08:13.133 INFO kablam! warning: variable does not need to be mutable
Sep 04 17:08:13.133 INFO kablam!   --> src/game.rs:70:19
Sep 04 17:08:13.133 INFO kablam!    |
Sep 04 17:08:13.133 INFO kablam! 70 |             .map(|mut row| {
Sep 04 17:08:13.133 INFO kablam!    |                   ----^^^
Sep 04 17:08:13.133 INFO kablam!    |                   |
Sep 04 17:08:13.133 INFO kablam!    |                   help: remove this `mut`
Sep 04 17:08:13.133 INFO kablam!    |
Sep 04 17:08:13.133 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 04 17:08:13.133 INFO kablam! 
Sep 04 17:08:13.147 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 04 17:08:13.147 INFO kablam!   --> src/game.rs:68:9
Sep 04 17:08:13.147 INFO kablam!    |
Sep 04 17:08:13.147 INFO kablam! 68 | /         self.data
Sep 04 17:08:13.147 INFO kablam! 69 | |             .chunks_mut(4)
Sep 04 17:08:13.147 INFO kablam! 70 | |             .map(|mut row| {
Sep 04 17:08:13.147 INFO kablam! 71 | |                 let (new_row, new_score) = match dir {
Sep 04 17:08:13.147 INFO kablam! ...  |
Sep 04 17:08:13.147 INFO kablam! 86 | |             })
Sep 04 17:08:13.147 INFO kablam! 87 | |             .collect::<Vec<_>>();
Sep 04 17:08:13.147 INFO kablam!    | |_________________________________^
Sep 04 17:08:13.147 INFO kablam!    |
Sep 04 17:08:13.147 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 04 17:08:13.147 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 04 17:08:13.147 INFO kablam! 
Sep 04 17:08:13.331 INFO kablam! warning: floating-point types cannot be used in patterns
Sep 04 17:08:13.331 INFO kablam!   --> src/board.rs:22:22
Sep 04 17:08:13.331 INFO kablam!    |
Sep 04 17:08:13.331 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Sep 04 17:08:13.331 INFO kablam!    |                      ^^^^^
Sep 04 17:08:13.331 INFO kablam!    |
Sep 04 17:08:13.331 INFO kablam!    = note: #[warn(illegal_floating_point_literal_pattern)] on by default
Sep 04 17:08:13.331 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!
Sep 04 17:08:13.331 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Sep 04 17:08:13.331 INFO kablam! 
Sep 04 17:08:13.377 INFO kablam! warning: floating-point types cannot be used in patterns
Sep 04 17:08:13.377 INFO kablam!   --> src/board.rs:22:22
Sep 04 17:08:13.377 INFO kablam!    |
Sep 04 17:08:13.377 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Sep 04 17:08:13.377 INFO kablam!    |                      ^^^^^
Sep 04 17:08:13.377 INFO kablam!    |
Sep 04 17:08:13.377 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!
Sep 04 17:08:13.377 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Sep 04 17:08:13.377 INFO kablam! 
Sep 04 17:08:13.405 INFO kablam! warning: variable does not need to be mutable
Sep 04 17:08:13.405 INFO kablam!   --> src/game.rs:70:19
Sep 04 17:08:13.405 INFO kablam!    |
Sep 04 17:08:13.405 INFO kablam! 70 |             .map(|mut row| {
Sep 04 17:08:13.405 INFO kablam!    |                   ----^^^
Sep 04 17:08:13.405 INFO kablam!    |                   |
Sep 04 17:08:13.405 INFO kablam!    |                   help: remove this `mut`
Sep 04 17:08:13.405 INFO kablam!    |
Sep 04 17:08:13.405 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 04 17:08:13.405 INFO kablam! 
Sep 04 17:08:13.418 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 04 17:08:13.418 INFO kablam!   --> src/game.rs:68:9
Sep 04 17:08:13.418 INFO kablam!    |
Sep 04 17:08:13.418 INFO kablam! 68 | /         self.data
Sep 04 17:08:13.418 INFO kablam! 69 | |             .chunks_mut(4)
Sep 04 17:08:13.418 INFO kablam! 70 | |             .map(|mut row| {
Sep 04 17:08:13.418 INFO kablam! 71 | |                 let (new_row, new_score) = match dir {
Sep 04 17:08:13.418 INFO kablam! ...  |
Sep 04 17:08:13.418 INFO kablam! 86 | |             })
Sep 04 17:08:13.418 INFO kablam! 87 | |             .collect::<Vec<_>>();
Sep 04 17:08:13.418 INFO kablam!    | |_________________________________^
Sep 04 17:08:13.418 INFO kablam!    |
Sep 04 17:08:13.418 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 04 17:08:13.418 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 04 17:08:13.418 INFO kablam! 
Sep 04 17:08:13.441 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.49s
Sep 04 17:08:13.444 INFO kablam! su: No module specific data is present
Sep 04 17:08:13.853 INFO running `"docker" "rm" "-f" "83cf3c91797df95c8cb0d0e57157521a3bef74b75013e1783116c19718bdf875"`
Sep 04 17:08:13.944 INFO blam! 83cf3c91797df95c8cb0d0e57157521a3bef74b75013e1783116c19718bdf875