Sep 04 17:08:08.198 INFO checking game-2048-0.5.1 against try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0 for pr-53893
Sep 04 17:08:08.198 INFO running: cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets
Sep 04 17:08:08.198 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53893/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-1/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/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 +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 17:08:08.361 INFO blam! e260e551b196afe4b83cb8359444c6ecb5f9ab32400020f43ba1817aab83097b
Sep 04 17:08:08.363 INFO running `"docker" "start" "-a" "e260e551b196afe4b83cb8359444c6ecb5f9ab32400020f43ba1817aab83097b"`
Sep 04 17:08:08.994 INFO kablam!     Checking matrix_display v0.3.0
Sep 04 17:08:09.982 INFO kablam!     Checking game-2048 v0.5.1 (file:///source)
Sep 04 17:08:11.108 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Sep 04 17:08:11.108 INFO kablam!  --> src/board.rs:3:24
Sep 04 17:08:11.108 INFO kablam!   |
Sep 04 17:08:11.108 INFO kablam! 3 | use rand::{thread_rng, sample};
Sep 04 17:08:11.108 INFO kablam!   |                        ^^^^^^
Sep 04 17:08:11.108 INFO kablam!   |
Sep 04 17:08:11.108 INFO kablam!   = note: #[warn(deprecated)] on by default
Sep 04 17:08:11.108 INFO kablam! 
Sep 04 17:08:11.108 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Sep 04 17:08:11.108 INFO kablam!   --> src/board.rs:57:22
Sep 04 17:08:11.109 INFO kablam!    |
Sep 04 17:08:11.109 INFO kablam! 57 |         let mut fw = sample(&mut rng, 1..256, 17);
Sep 04 17:08:11.109 INFO kablam!    |                      ^^^^^^
Sep 04 17:08:11.109 INFO kablam! 
Sep 04 17:08:11.294 INFO kablam! warning: floating-point types cannot be used in patterns
Sep 04 17:08:11.294 INFO kablam!   --> src/board.rs:22:22
Sep 04 17:08:11.294 INFO kablam!    |
Sep 04 17:08:11.294 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Sep 04 17:08:11.294 INFO kablam!    |                      ^^^^^
Sep 04 17:08:11.294 INFO kablam!    |
Sep 04 17:08:11.294 INFO kablam!    = note: #[warn(illegal_floating_point_literal_pattern)] on by default
Sep 04 17:08:11.294 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 17:08:11.294 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Sep 04 17:08:11.294 INFO kablam! 
Sep 04 17:08:11.312 INFO kablam! warning: floating-point types cannot be used in patterns
Sep 04 17:08:11.312 INFO kablam!   --> src/board.rs:22:22
Sep 04 17:08:11.312 INFO kablam!    |
Sep 04 17:08:11.312 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Sep 04 17:08:11.312 INFO kablam!    |                      ^^^^^
Sep 04 17:08:11.312 INFO kablam!    |
Sep 04 17:08:11.312 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 17:08:11.312 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Sep 04 17:08:11.312 INFO kablam! 
Sep 04 17:08:11.337 INFO kablam! warning: variable does not need to be mutable
Sep 04 17:08:11.337 INFO kablam!   --> src/game.rs:70:19
Sep 04 17:08:11.337 INFO kablam!    |
Sep 04 17:08:11.337 INFO kablam! 70 |             .map(|mut row| {
Sep 04 17:08:11.337 INFO kablam!    |                   ----^^^
Sep 04 17:08:11.337 INFO kablam!    |                   |
Sep 04 17:08:11.337 INFO kablam!    |                   help: remove this `mut`
Sep 04 17:08:11.337 INFO kablam!    |
Sep 04 17:08:11.337 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 04 17:08:11.337 INFO kablam! 
Sep 04 17:08:11.346 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 04 17:08:11.346 INFO kablam!   --> src/game.rs:68:9
Sep 04 17:08:11.346 INFO kablam!    |
Sep 04 17:08:11.346 INFO kablam! 68 | /         self.data
Sep 04 17:08:11.346 INFO kablam! 69 | |             .chunks_mut(4)
Sep 04 17:08:11.346 INFO kablam! 70 | |             .map(|mut row| {
Sep 04 17:08:11.346 INFO kablam! 71 | |                 let (new_row, new_score) = match dir {
Sep 04 17:08:11.346 INFO kablam! ...  |
Sep 04 17:08:11.346 INFO kablam! 86 | |             })
Sep 04 17:08:11.346 INFO kablam! 87 | |             .collect::<Vec<_>>();
Sep 04 17:08:11.346 INFO kablam!    | |_________________________________^
Sep 04 17:08:11.346 INFO kablam!    |
Sep 04 17:08:11.346 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 04 17:08:11.347 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 04 17:08:11.347 INFO kablam! 
Sep 04 17:08:11.427 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Sep 04 17:08:11.427 INFO kablam!  --> src/board.rs:3:24
Sep 04 17:08:11.427 INFO kablam!   |
Sep 04 17:08:11.427 INFO kablam! 3 | use rand::{thread_rng, sample};
Sep 04 17:08:11.427 INFO kablam!   |                        ^^^^^^
Sep 04 17:08:11.427 INFO kablam!   |
Sep 04 17:08:11.427 INFO kablam!   = note: #[warn(deprecated)] on by default
Sep 04 17:08:11.427 INFO kablam! 
Sep 04 17:08:11.428 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Sep 04 17:08:11.428 INFO kablam!   --> src/board.rs:57:22
Sep 04 17:08:11.428 INFO kablam!    |
Sep 04 17:08:11.428 INFO kablam! 57 |         let mut fw = sample(&mut rng, 1..256, 17);
Sep 04 17:08:11.428 INFO kablam!    |                      ^^^^^^
Sep 04 17:08:11.428 INFO kablam! 
Sep 04 17:08:11.855 INFO kablam! warning: floating-point types cannot be used in patterns
Sep 04 17:08:11.855 INFO kablam!   --> src/board.rs:22:22
Sep 04 17:08:11.855 INFO kablam!    |
Sep 04 17:08:11.855 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Sep 04 17:08:11.855 INFO kablam!    |                      ^^^^^
Sep 04 17:08:11.855 INFO kablam!    |
Sep 04 17:08:11.855 INFO kablam!    = note: #[warn(illegal_floating_point_literal_pattern)] on by default
Sep 04 17:08:11.855 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 17:08:11.856 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Sep 04 17:08:11.856 INFO kablam! 
Sep 04 17:08:11.925 INFO kablam! warning: floating-point types cannot be used in patterns
Sep 04 17:08:11.925 INFO kablam!   --> src/board.rs:22:22
Sep 04 17:08:11.925 INFO kablam!    |
Sep 04 17:08:11.925 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Sep 04 17:08:11.925 INFO kablam!    |                      ^^^^^
Sep 04 17:08:11.925 INFO kablam!    |
Sep 04 17:08:11.925 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 17:08:11.925 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Sep 04 17:08:11.925 INFO kablam! 
Sep 04 17:08:11.960 INFO kablam! warning: variable does not need to be mutable
Sep 04 17:08:11.960 INFO kablam!   --> src/game.rs:70:19
Sep 04 17:08:11.960 INFO kablam!    |
Sep 04 17:08:11.960 INFO kablam! 70 |             .map(|mut row| {
Sep 04 17:08:11.960 INFO kablam!    |                   ----^^^
Sep 04 17:08:11.960 INFO kablam!    |                   |
Sep 04 17:08:11.960 INFO kablam!    |                   help: remove this `mut`
Sep 04 17:08:11.960 INFO kablam!    |
Sep 04 17:08:11.960 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 04 17:08:11.960 INFO kablam! 
Sep 04 17:08:11.976 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 04 17:08:11.976 INFO kablam!   --> src/game.rs:68:9
Sep 04 17:08:11.976 INFO kablam!    |
Sep 04 17:08:11.976 INFO kablam! 68 | /         self.data
Sep 04 17:08:11.976 INFO kablam! 69 | |             .chunks_mut(4)
Sep 04 17:08:11.976 INFO kablam! 70 | |             .map(|mut row| {
Sep 04 17:08:11.976 INFO kablam! 71 | |                 let (new_row, new_score) = match dir {
Sep 04 17:08:11.976 INFO kablam! ...  |
Sep 04 17:08:11.976 INFO kablam! 86 | |             })
Sep 04 17:08:11.976 INFO kablam! 87 | |             .collect::<Vec<_>>();
Sep 04 17:08:11.976 INFO kablam!    | |_________________________________^
Sep 04 17:08:11.976 INFO kablam!    |
Sep 04 17:08:11.976 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 04 17:08:11.976 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 04 17:08:11.976 INFO kablam! 
Sep 04 17:08:12.004 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.07s
Sep 04 17:08:12.009 INFO kablam! su: No module specific data is present
Sep 04 17:08:12.460 INFO running `"docker" "rm" "-f" "e260e551b196afe4b83cb8359444c6ecb5f9ab32400020f43ba1817aab83097b"`
Sep 04 17:08:12.596 INFO blam! e260e551b196afe4b83cb8359444c6ecb5f9ab32400020f43ba1817aab83097b