Aug 30 17:04:03.550 INFO checking game-2048-0.5.1 against try#bc5a74802bb3ffc82f51ef04bca58d64220124c4 for pr-53699
Aug 30 17:04:03.550 INFO running: cargo +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets
Aug 30 17:04:03.550 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53699/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-1/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/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 +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 17:04:03.791 INFO blam! 705edce9e4ee44086b374ac98151ad3b6312a3e9aedee2fa18152fafd783ffdd
Aug 30 17:04:03.793 INFO running `"docker" "start" "-a" "705edce9e4ee44086b374ac98151ad3b6312a3e9aedee2fa18152fafd783ffdd"`
Aug 30 17:04:04.385 INFO kablam!     Checking matrix_display v0.3.0
Aug 30 17:04:05.032 INFO kablam!     Checking game-2048 v0.5.1 (file:///source)
Aug 30 17:04:05.854 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Aug 30 17:04:05.854 INFO kablam!  --> src/board.rs:3:24
Aug 30 17:04:05.854 INFO kablam!   |
Aug 30 17:04:05.854 INFO kablam! 3 | use rand::{thread_rng, sample};
Aug 30 17:04:05.854 INFO kablam!   |                        ^^^^^^
Aug 30 17:04:05.855 INFO kablam!   |
Aug 30 17:04:05.855 INFO kablam!   = note: #[warn(deprecated)] on by default
Aug 30 17:04:05.855 INFO kablam! 
Aug 30 17:04:05.855 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Aug 30 17:04:05.855 INFO kablam!   --> src/board.rs:57:22
Aug 30 17:04:05.855 INFO kablam!    |
Aug 30 17:04:05.855 INFO kablam! 57 |         let mut fw = sample(&mut rng, 1..256, 17);
Aug 30 17:04:05.855 INFO kablam!    |                      ^^^^^^
Aug 30 17:04:05.855 INFO kablam! 
Aug 30 17:04:06.067 INFO kablam! warning: floating-point types cannot be used in patterns
Aug 30 17:04:06.067 INFO kablam!   --> src/board.rs:22:22
Aug 30 17:04:06.067 INFO kablam!    |
Aug 30 17:04:06.067 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Aug 30 17:04:06.067 INFO kablam!    |                      ^^^^^
Aug 30 17:04:06.067 INFO kablam!    |
Aug 30 17:04:06.067 INFO kablam!    = note: #[warn(illegal_floating_point_literal_pattern)] on by default
Aug 30 17:04:06.067 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!
Aug 30 17:04:06.067 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Aug 30 17:04:06.067 INFO kablam! 
Aug 30 17:04:06.085 INFO kablam! warning: floating-point types cannot be used in patterns
Aug 30 17:04:06.085 INFO kablam!   --> src/board.rs:22:22
Aug 30 17:04:06.085 INFO kablam!    |
Aug 30 17:04:06.085 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Aug 30 17:04:06.086 INFO kablam!    |                      ^^^^^
Aug 30 17:04:06.086 INFO kablam!    |
Aug 30 17:04:06.086 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!
Aug 30 17:04:06.086 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Aug 30 17:04:06.086 INFO kablam! 
Aug 30 17:04:06.113 INFO kablam! warning: variable does not need to be mutable
Aug 30 17:04:06.113 INFO kablam!   --> src/game.rs:70:19
Aug 30 17:04:06.113 INFO kablam!    |
Aug 30 17:04:06.113 INFO kablam! 70 |             .map(|mut row| {
Aug 30 17:04:06.113 INFO kablam!    |                   ----^^^
Aug 30 17:04:06.113 INFO kablam!    |                   |
Aug 30 17:04:06.113 INFO kablam!    |                   help: remove this `mut`
Aug 30 17:04:06.113 INFO kablam!    |
Aug 30 17:04:06.113 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 30 17:04:06.113 INFO kablam! 
Aug 30 17:04:06.123 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Aug 30 17:04:06.123 INFO kablam!   --> src/game.rs:68:9
Aug 30 17:04:06.123 INFO kablam!    |
Aug 30 17:04:06.123 INFO kablam! 68 | /         self.data
Aug 30 17:04:06.123 INFO kablam! 69 | |             .chunks_mut(4)
Aug 30 17:04:06.123 INFO kablam! 70 | |             .map(|mut row| {
Aug 30 17:04:06.123 INFO kablam! 71 | |                 let (new_row, new_score) = match dir {
Aug 30 17:04:06.123 INFO kablam! ...  |
Aug 30 17:04:06.123 INFO kablam! 86 | |             })
Aug 30 17:04:06.124 INFO kablam! 87 | |             .collect::<Vec<_>>();
Aug 30 17:04:06.124 INFO kablam!    | |_________________________________^
Aug 30 17:04:06.124 INFO kablam!    |
Aug 30 17:04:06.124 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Aug 30 17:04:06.124 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Aug 30 17:04:06.124 INFO kablam! 
Aug 30 17:04:06.138 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Aug 30 17:04:06.138 INFO kablam!  --> src/board.rs:3:24
Aug 30 17:04:06.138 INFO kablam!   |
Aug 30 17:04:06.138 INFO kablam! 3 | use rand::{thread_rng, sample};
Aug 30 17:04:06.138 INFO kablam!   |                        ^^^^^^
Aug 30 17:04:06.138 INFO kablam!   |
Aug 30 17:04:06.138 INFO kablam!   = note: #[warn(deprecated)] on by default
Aug 30 17:04:06.138 INFO kablam! 
Aug 30 17:04:06.139 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Aug 30 17:04:06.139 INFO kablam!   --> src/board.rs:57:22
Aug 30 17:04:06.139 INFO kablam!    |
Aug 30 17:04:06.139 INFO kablam! 57 |         let mut fw = sample(&mut rng, 1..256, 17);
Aug 30 17:04:06.139 INFO kablam!    |                      ^^^^^^
Aug 30 17:04:06.139 INFO kablam! 
Aug 30 17:04:06.464 INFO kablam! warning: floating-point types cannot be used in patterns
Aug 30 17:04:06.464 INFO kablam!   --> src/board.rs:22:22
Aug 30 17:04:06.464 INFO kablam!    |
Aug 30 17:04:06.464 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Aug 30 17:04:06.464 INFO kablam!    |                      ^^^^^
Aug 30 17:04:06.464 INFO kablam!    |
Aug 30 17:04:06.464 INFO kablam!    = note: #[warn(illegal_floating_point_literal_pattern)] on by default
Aug 30 17:04:06.464 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!
Aug 30 17:04:06.464 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Aug 30 17:04:06.464 INFO kablam! 
Aug 30 17:04:06.521 INFO kablam! warning: floating-point types cannot be used in patterns
Aug 30 17:04:06.521 INFO kablam!   --> src/board.rs:22:22
Aug 30 17:04:06.521 INFO kablam!    |
Aug 30 17:04:06.521 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Aug 30 17:04:06.522 INFO kablam!    |                      ^^^^^
Aug 30 17:04:06.522 INFO kablam!    |
Aug 30 17:04:06.522 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!
Aug 30 17:04:06.522 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Aug 30 17:04:06.522 INFO kablam! 
Aug 30 17:04:06.547 INFO kablam! warning: variable does not need to be mutable
Aug 30 17:04:06.547 INFO kablam!   --> src/game.rs:70:19
Aug 30 17:04:06.547 INFO kablam!    |
Aug 30 17:04:06.547 INFO kablam! 70 |             .map(|mut row| {
Aug 30 17:04:06.548 INFO kablam!    |                   ----^^^
Aug 30 17:04:06.548 INFO kablam!    |                   |
Aug 30 17:04:06.548 INFO kablam!    |                   help: remove this `mut`
Aug 30 17:04:06.548 INFO kablam!    |
Aug 30 17:04:06.548 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 30 17:04:06.548 INFO kablam! 
Aug 30 17:04:06.560 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Aug 30 17:04:06.560 INFO kablam!   --> src/game.rs:68:9
Aug 30 17:04:06.560 INFO kablam!    |
Aug 30 17:04:06.560 INFO kablam! 68 | /         self.data
Aug 30 17:04:06.560 INFO kablam! 69 | |             .chunks_mut(4)
Aug 30 17:04:06.560 INFO kablam! 70 | |             .map(|mut row| {
Aug 30 17:04:06.560 INFO kablam! 71 | |                 let (new_row, new_score) = match dir {
Aug 30 17:04:06.560 INFO kablam! ...  |
Aug 30 17:04:06.560 INFO kablam! 86 | |             })
Aug 30 17:04:06.560 INFO kablam! 87 | |             .collect::<Vec<_>>();
Aug 30 17:04:06.560 INFO kablam!    | |_________________________________^
Aug 30 17:04:06.560 INFO kablam!    |
Aug 30 17:04:06.560 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Aug 30 17:04:06.560 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Aug 30 17:04:06.560 INFO kablam! 
Aug 30 17:04:06.585 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.25s
Aug 30 17:04:06.589 INFO kablam! su: No module specific data is present
Aug 30 17:04:06.970 INFO running `"docker" "rm" "-f" "705edce9e4ee44086b374ac98151ad3b6312a3e9aedee2fa18152fafd783ffdd"`
Aug 30 17:04:07.062 INFO blam! 705edce9e4ee44086b374ac98151ad3b6312a3e9aedee2fa18152fafd783ffdd