Aug 11 14:00:40.404 INFO checking game-2048-0.5.1 against try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy for libc-1
Aug 11 14:00:40.404 INFO running: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 14:00:40.404 INFO creating container for: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 14:00:40.404 INFO running `"docker" "create" "-v" "/tmp/crater.hs757IMROVse:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-7/try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 11 14:00:40.566 INFO blam! be50d6ded552db827964fcea4568e3a8f2e0c10278f874b0be0c1222f5e85129
Aug 11 14:00:40.568 INFO running `"docker" "start" "-a" "be50d6ded552db827964fcea4568e3a8f2e0c10278f874b0be0c1222f5e85129"`
Aug 11 14:00:42.418 INFO kablam!     Checking matrix_display v0.3.0
Aug 11 14:00:43.089 INFO kablam!     Checking game-2048 v0.5.1 (file:///source)
Aug 11 14:00:43.742 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Aug 11 14:00:43.742 INFO kablam!  --> src/board.rs:3:24
Aug 11 14:00:43.742 INFO kablam!   |
Aug 11 14:00:43.742 INFO kablam! 3 | use rand::{thread_rng, sample};
Aug 11 14:00:43.742 INFO kablam!   |                        ^^^^^^
Aug 11 14:00:43.742 INFO kablam!   |
Aug 11 14:00:43.742 INFO kablam!   = note: #[warn(deprecated)] on by default
Aug 11 14:00:43.742 INFO kablam! 
Aug 11 14:00:43.742 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Aug 11 14:00:43.742 INFO kablam!   --> src/board.rs:57:22
Aug 11 14:00:43.742 INFO kablam!    |
Aug 11 14:00:43.742 INFO kablam! 57 |         let mut fw = sample(&mut rng, 1..256, 17);
Aug 11 14:00:43.742 INFO kablam!    |                      ^^^^^^
Aug 11 14:00:43.742 INFO kablam! 
Aug 11 14:00:43.814 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Aug 11 14:00:43.815 INFO kablam!  --> src/board.rs:3:24
Aug 11 14:00:43.815 INFO kablam!   |
Aug 11 14:00:43.815 INFO kablam! 3 | use rand::{thread_rng, sample};
Aug 11 14:00:43.815 INFO kablam!   |                        ^^^^^^
Aug 11 14:00:43.815 INFO kablam!   |
Aug 11 14:00:43.816 INFO kablam!   = note: #[warn(deprecated)] on by default
Aug 11 14:00:43.816 INFO kablam! 
Aug 11 14:00:43.816 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Aug 11 14:00:43.816 INFO kablam!   --> src/board.rs:57:22
Aug 11 14:00:43.816 INFO kablam!    |
Aug 11 14:00:43.816 INFO kablam! 57 |         let mut fw = sample(&mut rng, 1..256, 17);
Aug 11 14:00:43.816 INFO kablam!    |                      ^^^^^^
Aug 11 14:00:43.816 INFO kablam! 
Aug 11 14:00:44.025 INFO kablam! warning: floating-point types cannot be used in patterns
Aug 11 14:00:44.025 INFO kablam!   --> src/board.rs:22:22
Aug 11 14:00:44.025 INFO kablam!    |
Aug 11 14:00:44.025 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Aug 11 14:00:44.025 INFO kablam!    |                      ^^^^^
Aug 11 14:00:44.025 INFO kablam!    |
Aug 11 14:00:44.025 INFO kablam!    = note: #[warn(illegal_floating_point_literal_pattern)] on by default
Aug 11 14:00:44.025 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 11 14:00:44.025 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Aug 11 14:00:44.025 INFO kablam! 
Aug 11 14:00:44.047 INFO kablam! warning: floating-point types cannot be used in patterns
Aug 11 14:00:44.047 INFO kablam!   --> src/board.rs:22:22
Aug 11 14:00:44.047 INFO kablam!    |
Aug 11 14:00:44.047 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Aug 11 14:00:44.047 INFO kablam!    |                      ^^^^^
Aug 11 14:00:44.047 INFO kablam!    |
Aug 11 14:00:44.048 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 11 14:00:44.048 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Aug 11 14:00:44.048 INFO kablam! 
Aug 11 14:00:44.105 INFO kablam! warning: variable does not need to be mutable
Aug 11 14:00:44.105 INFO kablam!   --> src/game.rs:70:19
Aug 11 14:00:44.105 INFO kablam!    |
Aug 11 14:00:44.105 INFO kablam! 70 |             .map(|mut row| {
Aug 11 14:00:44.105 INFO kablam!    |                   ----^^^
Aug 11 14:00:44.105 INFO kablam!    |                   |
Aug 11 14:00:44.105 INFO kablam!    |                   help: remove this `mut`
Aug 11 14:00:44.105 INFO kablam!    |
Aug 11 14:00:44.105 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 11 14:00:44.105 INFO kablam! 
Aug 11 14:00:44.125 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Aug 11 14:00:44.125 INFO kablam!   --> src/game.rs:68:9
Aug 11 14:00:44.125 INFO kablam!    |
Aug 11 14:00:44.125 INFO kablam! 68 | /         self.data
Aug 11 14:00:44.125 INFO kablam! 69 | |             .chunks_mut(4)
Aug 11 14:00:44.125 INFO kablam! 70 | |             .map(|mut row| {
Aug 11 14:00:44.125 INFO kablam! 71 | |                 let (new_row, new_score) = match dir {
Aug 11 14:00:44.125 INFO kablam! ...  |
Aug 11 14:00:44.125 INFO kablam! 86 | |             })
Aug 11 14:00:44.125 INFO kablam! 87 | |             .collect::<Vec<_>>();
Aug 11 14:00:44.125 INFO kablam!    | |_________________________________^
Aug 11 14:00:44.126 INFO kablam!    |
Aug 11 14:00:44.126 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Aug 11 14:00:44.126 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Aug 11 14:00:44.126 INFO kablam! 
Aug 11 14:00:44.234 INFO kablam! warning: floating-point types cannot be used in patterns
Aug 11 14:00:44.234 INFO kablam!   --> src/board.rs:22:22
Aug 11 14:00:44.234 INFO kablam!    |
Aug 11 14:00:44.234 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Aug 11 14:00:44.234 INFO kablam!    |                      ^^^^^
Aug 11 14:00:44.234 INFO kablam!    |
Aug 11 14:00:44.234 INFO kablam!    = note: #[warn(illegal_floating_point_literal_pattern)] on by default
Aug 11 14:00:44.234 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 11 14:00:44.234 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Aug 11 14:00:44.234 INFO kablam! 
Aug 11 14:00:44.312 INFO kablam! warning: floating-point types cannot be used in patterns
Aug 11 14:00:44.312 INFO kablam!   --> src/board.rs:22:22
Aug 11 14:00:44.312 INFO kablam!    |
Aug 11 14:00:44.312 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Aug 11 14:00:44.312 INFO kablam!    |                      ^^^^^
Aug 11 14:00:44.312 INFO kablam!    |
Aug 11 14:00:44.312 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!
Aug 11 14:00:44.312 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Aug 11 14:00:44.312 INFO kablam! 
Aug 11 14:00:44.355 INFO kablam! warning: variable does not need to be mutable
Aug 11 14:00:44.355 INFO kablam!   --> src/game.rs:70:19
Aug 11 14:00:44.355 INFO kablam!    |
Aug 11 14:00:44.355 INFO kablam! 70 |             .map(|mut row| {
Aug 11 14:00:44.355 INFO kablam!    |                   ----^^^
Aug 11 14:00:44.355 INFO kablam!    |                   |
Aug 11 14:00:44.355 INFO kablam!    |                   help: remove this `mut`
Aug 11 14:00:44.355 INFO kablam!    |
Aug 11 14:00:44.355 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 11 14:00:44.355 INFO kablam! 
Aug 11 14:00:44.382 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Aug 11 14:00:44.382 INFO kablam!   --> src/game.rs:68:9
Aug 11 14:00:44.382 INFO kablam!    |
Aug 11 14:00:44.382 INFO kablam! 68 | /         self.data
Aug 11 14:00:44.382 INFO kablam! 69 | |             .chunks_mut(4)
Aug 11 14:00:44.382 INFO kablam! 70 | |             .map(|mut row| {
Aug 11 14:00:44.383 INFO kablam! 71 | |                 let (new_row, new_score) = match dir {
Aug 11 14:00:44.383 INFO kablam! ...  |
Aug 11 14:00:44.383 INFO kablam! 86 | |             })
Aug 11 14:00:44.383 INFO kablam! 87 | |             .collect::<Vec<_>>();
Aug 11 14:00:44.383 INFO kablam!    | |_________________________________^
Aug 11 14:00:44.383 INFO kablam!    |
Aug 11 14:00:44.383 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Aug 11 14:00:44.383 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Aug 11 14:00:44.383 INFO kablam! 
Aug 11 14:00:44.445 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.10s
Aug 11 14:00:44.451 INFO kablam! su: No module specific data is present
Aug 11 14:00:45.497 INFO running `"docker" "rm" "-f" "be50d6ded552db827964fcea4568e3a8f2e0c10278f874b0be0c1222f5e85129"`
Aug 11 14:00:45.583 INFO blam! be50d6ded552db827964fcea4568e3a8f2e0c10278f874b0be0c1222f5e85129