Sep 20 03:14:24.656 INFO checking game-2048-0.5.1 against try#135b4cd023a753409d01e43b0f23d22a899feeeb for pr-54352
Sep 20 03:14:24.656 INFO running: cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets
Sep 20 03:14:24.657 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54352/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-6/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/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 +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 03:14:24.879 INFO blam! c76ca3b213bc6ecec54b33a2476efda024137574407f209a59f84c91a305251c
Sep 20 03:14:24.881 INFO running `"docker" "start" "-a" "c76ca3b213bc6ecec54b33a2476efda024137574407f209a59f84c91a305251c"`
Sep 20 03:14:26.130 INFO kablam! usermod: no changes
Sep 20 03:14:26.275 INFO kablam!     Checking matrix_display v0.3.0
Sep 20 03:14:26.778 INFO kablam!     Checking game-2048 v0.5.1 (/source)
Sep 20 03:14:27.505 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Sep 20 03:14:27.505 INFO kablam!  --> src/board.rs:3:24
Sep 20 03:14:27.505 INFO kablam!   |
Sep 20 03:14:27.505 INFO kablam! 3 | use rand::{thread_rng, sample};
Sep 20 03:14:27.505 INFO kablam!   |                        ^^^^^^
Sep 20 03:14:27.505 INFO kablam!   |
Sep 20 03:14:27.505 INFO kablam!   = note: #[warn(deprecated)] on by default
Sep 20 03:14:27.505 INFO kablam! 
Sep 20 03:14:27.505 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Sep 20 03:14:27.505 INFO kablam!   --> src/board.rs:57:22
Sep 20 03:14:27.505 INFO kablam!    |
Sep 20 03:14:27.505 INFO kablam! 57 |         let mut fw = sample(&mut rng, 1..256, 17);
Sep 20 03:14:27.505 INFO kablam!    |                      ^^^^^^
Sep 20 03:14:27.505 INFO kablam! 
Sep 20 03:14:27.538 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Sep 20 03:14:27.538 INFO kablam!  --> src/board.rs:3:24
Sep 20 03:14:27.538 INFO kablam!   |
Sep 20 03:14:27.538 INFO kablam! 3 | use rand::{thread_rng, sample};
Sep 20 03:14:27.538 INFO kablam!   |                        ^^^^^^
Sep 20 03:14:27.538 INFO kablam!   |
Sep 20 03:14:27.538 INFO kablam!   = note: #[warn(deprecated)] on by default
Sep 20 03:14:27.538 INFO kablam! 
Sep 20 03:14:27.538 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Sep 20 03:14:27.538 INFO kablam!   --> src/board.rs:57:22
Sep 20 03:14:27.538 INFO kablam!    |
Sep 20 03:14:27.538 INFO kablam! 57 |         let mut fw = sample(&mut rng, 1..256, 17);
Sep 20 03:14:27.538 INFO kablam!    |                      ^^^^^^
Sep 20 03:14:27.538 INFO kablam! 
Sep 20 03:14:27.642 INFO kablam! warning: floating-point types cannot be used in patterns
Sep 20 03:14:27.642 INFO kablam!   --> src/board.rs:22:22
Sep 20 03:14:27.642 INFO kablam!    |
Sep 20 03:14:27.642 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Sep 20 03:14:27.642 INFO kablam!    |                      ^^^^^
Sep 20 03:14:27.642 INFO kablam!    |
Sep 20 03:14:27.642 INFO kablam!    = note: #[warn(illegal_floating_point_literal_pattern)] on by default
Sep 20 03:14:27.642 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 20 03:14:27.642 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Sep 20 03:14:27.642 INFO kablam! 
Sep 20 03:14:27.658 INFO kablam! warning: floating-point types cannot be used in patterns
Sep 20 03:14:27.658 INFO kablam!   --> src/board.rs:22:22
Sep 20 03:14:27.658 INFO kablam!    |
Sep 20 03:14:27.658 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Sep 20 03:14:27.658 INFO kablam!    |                      ^^^^^
Sep 20 03:14:27.658 INFO kablam!    |
Sep 20 03:14:27.658 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 20 03:14:27.658 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Sep 20 03:14:27.658 INFO kablam! 
Sep 20 03:14:27.674 INFO kablam! warning: variable does not need to be mutable
Sep 20 03:14:27.674 INFO kablam!   --> src/game.rs:70:19
Sep 20 03:14:27.674 INFO kablam!    |
Sep 20 03:14:27.674 INFO kablam! 70 |             .map(|mut row| {
Sep 20 03:14:27.674 INFO kablam!    |                   ----^^^
Sep 20 03:14:27.674 INFO kablam!    |                   |
Sep 20 03:14:27.674 INFO kablam!    |                   help: remove this `mut`
Sep 20 03:14:27.674 INFO kablam!    |
Sep 20 03:14:27.674 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 20 03:14:27.674 INFO kablam! 
Sep 20 03:14:27.678 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 20 03:14:27.678 INFO kablam!   --> src/game.rs:68:9
Sep 20 03:14:27.678 INFO kablam!    |
Sep 20 03:14:27.678 INFO kablam! 68 | /         self.data
Sep 20 03:14:27.678 INFO kablam! 69 | |             .chunks_mut(4)
Sep 20 03:14:27.678 INFO kablam! 70 | |             .map(|mut row| {
Sep 20 03:14:27.678 INFO kablam! 71 | |                 let (new_row, new_score) = match dir {
Sep 20 03:14:27.678 INFO kablam! ...  |
Sep 20 03:14:27.678 INFO kablam! 86 | |             })
Sep 20 03:14:27.678 INFO kablam! 87 | |             .collect::<Vec<_>>();
Sep 20 03:14:27.678 INFO kablam!    | |_________________________________^
Sep 20 03:14:27.678 INFO kablam!    |
Sep 20 03:14:27.678 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 20 03:14:27.678 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 20 03:14:27.678 INFO kablam! 
Sep 20 03:14:27.922 INFO kablam! warning: floating-point types cannot be used in patterns
Sep 20 03:14:27.922 INFO kablam!   --> src/board.rs:22:22
Sep 20 03:14:27.922 INFO kablam!    |
Sep 20 03:14:27.922 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Sep 20 03:14:27.922 INFO kablam!    |                      ^^^^^
Sep 20 03:14:27.922 INFO kablam!    |
Sep 20 03:14:27.922 INFO kablam!    = note: #[warn(illegal_floating_point_literal_pattern)] on by default
Sep 20 03:14:27.922 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 20 03:14:27.922 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Sep 20 03:14:27.922 INFO kablam! 
Sep 20 03:14:27.958 INFO kablam! warning: floating-point types cannot be used in patterns
Sep 20 03:14:27.958 INFO kablam!   --> src/board.rs:22:22
Sep 20 03:14:27.958 INFO kablam!    |
Sep 20 03:14:27.958 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Sep 20 03:14:27.958 INFO kablam!    |                      ^^^^^
Sep 20 03:14:27.958 INFO kablam!    |
Sep 20 03:14:27.958 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 20 03:14:27.958 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Sep 20 03:14:27.958 INFO kablam! 
Sep 20 03:14:27.973 INFO kablam! warning: variable does not need to be mutable
Sep 20 03:14:27.973 INFO kablam!   --> src/game.rs:70:19
Sep 20 03:14:27.973 INFO kablam!    |
Sep 20 03:14:27.973 INFO kablam! 70 |             .map(|mut row| {
Sep 20 03:14:27.973 INFO kablam!    |                   ----^^^
Sep 20 03:14:27.973 INFO kablam!    |                   |
Sep 20 03:14:27.973 INFO kablam!    |                   help: remove this `mut`
Sep 20 03:14:27.973 INFO kablam!    |
Sep 20 03:14:27.973 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 20 03:14:27.973 INFO kablam! 
Sep 20 03:14:27.982 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 20 03:14:27.982 INFO kablam!   --> src/game.rs:68:9
Sep 20 03:14:27.982 INFO kablam!    |
Sep 20 03:14:27.982 INFO kablam! 68 | /         self.data
Sep 20 03:14:27.982 INFO kablam! 69 | |             .chunks_mut(4)
Sep 20 03:14:27.982 INFO kablam! 70 | |             .map(|mut row| {
Sep 20 03:14:27.982 INFO kablam! 71 | |                 let (new_row, new_score) = match dir {
Sep 20 03:14:27.982 INFO kablam! ...  |
Sep 20 03:14:27.982 INFO kablam! 86 | |             })
Sep 20 03:14:27.982 INFO kablam! 87 | |             .collect::<Vec<_>>();
Sep 20 03:14:27.982 INFO kablam!    | |_________________________________^
Sep 20 03:14:27.982 INFO kablam!    |
Sep 20 03:14:27.982 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 20 03:14:27.982 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 20 03:14:27.982 INFO kablam! 
Sep 20 03:14:28.015 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.85s
Sep 20 03:14:28.022 INFO kablam! su: No module specific data is present
Sep 20 03:14:29.142 INFO running `"docker" "rm" "-f" "c76ca3b213bc6ecec54b33a2476efda024137574407f209a59f84c91a305251c"`
Sep 20 03:14:29.270 INFO blam! c76ca3b213bc6ecec54b33a2476efda024137574407f209a59f84c91a305251c