Sep 06 06:45:35.351 INFO checking game-2048-0.5.1 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 06:45:35.351 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 06:45:35.351 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-3/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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=1000" "-e" "CMD=cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 06:45:35.595 INFO blam! 20b6e60450f48467b139d461d0b1d4ad859417f4a7cde012d88baf56e0d4241d
Sep 06 06:45:35.597 INFO running `"docker" "start" "-a" "20b6e60450f48467b139d461d0b1d4ad859417f4a7cde012d88baf56e0d4241d"`
Sep 06 06:45:36.555 INFO kablam! usermod: no changes
Sep 06 06:45:36.643 INFO kablam!     Checking matrix_display v0.3.0
Sep 06 06:45:37.091 INFO kablam!     Checking game-2048 v0.5.1 (file:///source)
Sep 06 06:45:37.641 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Sep 06 06:45:37.641 INFO kablam!  --> src/board.rs:3:24
Sep 06 06:45:37.641 INFO kablam!   |
Sep 06 06:45:37.641 INFO kablam! 3 | use rand::{thread_rng, sample};
Sep 06 06:45:37.641 INFO kablam!   |                        ^^^^^^
Sep 06 06:45:37.641 INFO kablam!   |
Sep 06 06:45:37.641 INFO kablam!   = note: #[warn(deprecated)] on by default
Sep 06 06:45:37.641 INFO kablam! 
Sep 06 06:45:37.641 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Sep 06 06:45:37.641 INFO kablam!   --> src/board.rs:57:22
Sep 06 06:45:37.641 INFO kablam!    |
Sep 06 06:45:37.641 INFO kablam! 57 |         let mut fw = sample(&mut rng, 1..256, 17);
Sep 06 06:45:37.641 INFO kablam!    |                      ^^^^^^
Sep 06 06:45:37.641 INFO kablam! 
Sep 06 06:45:37.690 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Sep 06 06:45:37.690 INFO kablam!  --> src/board.rs:3:24
Sep 06 06:45:37.690 INFO kablam!   |
Sep 06 06:45:37.690 INFO kablam! 3 | use rand::{thread_rng, sample};
Sep 06 06:45:37.690 INFO kablam!   |                        ^^^^^^
Sep 06 06:45:37.690 INFO kablam!   |
Sep 06 06:45:37.690 INFO kablam!   = note: #[warn(deprecated)] on by default
Sep 06 06:45:37.690 INFO kablam! 
Sep 06 06:45:37.690 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Sep 06 06:45:37.690 INFO kablam!   --> src/board.rs:57:22
Sep 06 06:45:37.690 INFO kablam!    |
Sep 06 06:45:37.690 INFO kablam! 57 |         let mut fw = sample(&mut rng, 1..256, 17);
Sep 06 06:45:37.690 INFO kablam!    |                      ^^^^^^
Sep 06 06:45:37.690 INFO kablam! 
Sep 06 06:45:37.750 INFO kablam! warning: floating-point types cannot be used in patterns
Sep 06 06:45:37.750 INFO kablam!   --> src/board.rs:22:22
Sep 06 06:45:37.750 INFO kablam!    |
Sep 06 06:45:37.750 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Sep 06 06:45:37.750 INFO kablam!    |                      ^^^^^
Sep 06 06:45:37.750 INFO kablam!    |
Sep 06 06:45:37.750 INFO kablam!    = note: #[warn(illegal_floating_point_literal_pattern)] on by default
Sep 06 06:45:37.750 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 06 06:45:37.750 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Sep 06 06:45:37.750 INFO kablam! 
Sep 06 06:45:37.761 INFO kablam! warning: floating-point types cannot be used in patterns
Sep 06 06:45:37.761 INFO kablam!   --> src/board.rs:22:22
Sep 06 06:45:37.761 INFO kablam!    |
Sep 06 06:45:37.761 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Sep 06 06:45:37.761 INFO kablam!    |                      ^^^^^
Sep 06 06:45:37.761 INFO kablam!    |
Sep 06 06:45:37.761 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 06 06:45:37.761 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Sep 06 06:45:37.761 INFO kablam! 
Sep 06 06:45:37.778 INFO kablam! warning: variable does not need to be mutable
Sep 06 06:45:37.778 INFO kablam!   --> src/game.rs:70:19
Sep 06 06:45:37.778 INFO kablam!    |
Sep 06 06:45:37.778 INFO kablam! 70 |             .map(|mut row| {
Sep 06 06:45:37.778 INFO kablam!    |                   ----^^^
Sep 06 06:45:37.778 INFO kablam!    |                   |
Sep 06 06:45:37.778 INFO kablam!    |                   help: remove this `mut`
Sep 06 06:45:37.778 INFO kablam!    |
Sep 06 06:45:37.778 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 06 06:45:37.778 INFO kablam! 
Sep 06 06:45:37.785 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 06 06:45:37.785 INFO kablam!   --> src/game.rs:68:9
Sep 06 06:45:37.785 INFO kablam!    |
Sep 06 06:45:37.785 INFO kablam! 68 | /         self.data
Sep 06 06:45:37.785 INFO kablam! 69 | |             .chunks_mut(4)
Sep 06 06:45:37.785 INFO kablam! 70 | |             .map(|mut row| {
Sep 06 06:45:37.785 INFO kablam! 71 | |                 let (new_row, new_score) = match dir {
Sep 06 06:45:37.785 INFO kablam! ...  |
Sep 06 06:45:37.785 INFO kablam! 86 | |             })
Sep 06 06:45:37.785 INFO kablam! 87 | |             .collect::<Vec<_>>();
Sep 06 06:45:37.785 INFO kablam!    | |_________________________________^
Sep 06 06:45:37.785 INFO kablam!    |
Sep 06 06:45:37.785 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 06 06:45:37.785 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 06 06:45:37.786 INFO kablam! 
Sep 06 06:45:37.864 INFO kablam! warning: floating-point types cannot be used in patterns
Sep 06 06:45:37.864 INFO kablam!   --> src/board.rs:22:22
Sep 06 06:45:37.864 INFO kablam!    |
Sep 06 06:45:37.864 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Sep 06 06:45:37.864 INFO kablam!    |                      ^^^^^
Sep 06 06:45:37.864 INFO kablam!    |
Sep 06 06:45:37.864 INFO kablam!    = note: #[warn(illegal_floating_point_literal_pattern)] on by default
Sep 06 06:45:37.864 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 06 06:45:37.864 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Sep 06 06:45:37.864 INFO kablam! 
Sep 06 06:45:37.897 INFO kablam! warning: floating-point types cannot be used in patterns
Sep 06 06:45:37.897 INFO kablam!   --> src/board.rs:22:22
Sep 06 06:45:37.897 INFO kablam!    |
Sep 06 06:45:37.897 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Sep 06 06:45:37.897 INFO kablam!    |                      ^^^^^
Sep 06 06:45:37.897 INFO kablam!    |
Sep 06 06:45:37.897 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 06 06:45:37.897 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Sep 06 06:45:37.897 INFO kablam! 
Sep 06 06:45:37.913 INFO kablam! warning: variable does not need to be mutable
Sep 06 06:45:37.913 INFO kablam!   --> src/game.rs:70:19
Sep 06 06:45:37.913 INFO kablam!    |
Sep 06 06:45:37.913 INFO kablam! 70 |             .map(|mut row| {
Sep 06 06:45:37.913 INFO kablam!    |                   ----^^^
Sep 06 06:45:37.913 INFO kablam!    |                   |
Sep 06 06:45:37.913 INFO kablam!    |                   help: remove this `mut`
Sep 06 06:45:37.913 INFO kablam!    |
Sep 06 06:45:37.913 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 06 06:45:37.913 INFO kablam! 
Sep 06 06:45:37.922 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 06 06:45:37.922 INFO kablam!   --> src/game.rs:68:9
Sep 06 06:45:37.922 INFO kablam!    |
Sep 06 06:45:37.922 INFO kablam! 68 | /         self.data
Sep 06 06:45:37.922 INFO kablam! 69 | |             .chunks_mut(4)
Sep 06 06:45:37.922 INFO kablam! 70 | |             .map(|mut row| {
Sep 06 06:45:37.922 INFO kablam! 71 | |                 let (new_row, new_score) = match dir {
Sep 06 06:45:37.922 INFO kablam! ...  |
Sep 06 06:45:37.922 INFO kablam! 86 | |             })
Sep 06 06:45:37.922 INFO kablam! 87 | |             .collect::<Vec<_>>();
Sep 06 06:45:37.922 INFO kablam!    | |_________________________________^
Sep 06 06:45:37.922 INFO kablam!    |
Sep 06 06:45:37.922 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 06 06:45:37.922 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 06 06:45:37.922 INFO kablam! 
Sep 06 06:45:37.942 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
Sep 06 06:45:37.943 INFO kablam! su: No module specific data is present
Sep 06 06:45:38.588 INFO running `"docker" "rm" "-f" "20b6e60450f48467b139d461d0b1d4ad859417f4a7cde012d88baf56e0d4241d"`
Sep 06 06:45:38.681 INFO blam! 20b6e60450f48467b139d461d0b1d4ad859417f4a7cde012d88baf56e0d4241d