Aug 11 14:00:41.597 INFO checking game-2048-0.5.1 against master#f6d43ed84207c7e58f363f46e5a438ff40f2b311 for libc-1
Aug 11 14:00:41.597 INFO running: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 14:00:41.597 INFO creating container for: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 14:00:41.597 INFO running `"docker" "create" "-v" "/tmp/crater.RvyzUeL4fenj:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-3/master#f6d43ed84207c7e58f363f46e5a438ff40f2b311:/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 +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 11 14:00:42.026 INFO blam! 8af369dc894a081ea6feffd1d1e7d0c18672199cf450515d391e7b57ba0ab991
Aug 11 14:00:42.028 INFO running `"docker" "start" "-a" "8af369dc894a081ea6feffd1d1e7d0c18672199cf450515d391e7b57ba0ab991"`
Aug 11 14:00:43.351 INFO kablam!     Checking matrix_display v0.3.0
Aug 11 14:00:44.040 INFO kablam!     Checking game-2048 v0.5.1 (file:///source)
Aug 11 14:00:44.809 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Aug 11 14:00:44.809 INFO kablam!  --> src/board.rs:3:24
Aug 11 14:00:44.809 INFO kablam!   |
Aug 11 14:00:44.809 INFO kablam! 3 | use rand::{thread_rng, sample};
Aug 11 14:00:44.809 INFO kablam!   |                        ^^^^^^
Aug 11 14:00:44.809 INFO kablam!   |
Aug 11 14:00:44.809 INFO kablam!   = note: #[warn(deprecated)] on by default
Aug 11 14:00:44.809 INFO kablam! 
Aug 11 14:00:44.810 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Aug 11 14:00:44.810 INFO kablam!   --> src/board.rs:57:22
Aug 11 14:00:44.810 INFO kablam!    |
Aug 11 14:00:44.810 INFO kablam! 57 |         let mut fw = sample(&mut rng, 1..256, 17);
Aug 11 14:00:44.810 INFO kablam!    |                      ^^^^^^
Aug 11 14:00:44.810 INFO kablam! 
Aug 11 14:00:44.851 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Aug 11 14:00:44.851 INFO kablam!  --> src/board.rs:3:24
Aug 11 14:00:44.851 INFO kablam!   |
Aug 11 14:00:44.851 INFO kablam! 3 | use rand::{thread_rng, sample};
Aug 11 14:00:44.851 INFO kablam!   |                        ^^^^^^
Aug 11 14:00:44.851 INFO kablam!   |
Aug 11 14:00:44.851 INFO kablam!   = note: #[warn(deprecated)] on by default
Aug 11 14:00:44.851 INFO kablam! 
Aug 11 14:00:44.851 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Aug 11 14:00:44.851 INFO kablam!   --> src/board.rs:57:22
Aug 11 14:00:44.851 INFO kablam!    |
Aug 11 14:00:44.851 INFO kablam! 57 |         let mut fw = sample(&mut rng, 1..256, 17);
Aug 11 14:00:44.851 INFO kablam!    |                      ^^^^^^
Aug 11 14:00:44.851 INFO kablam! 
Aug 11 14:00:45.047 INFO kablam! warning: floating-point types cannot be used in patterns
Aug 11 14:00:45.047 INFO kablam!   --> src/board.rs:22:22
Aug 11 14:00:45.047 INFO kablam!    |
Aug 11 14:00:45.047 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Aug 11 14:00:45.047 INFO kablam!    |                      ^^^^^
Aug 11 14:00:45.047 INFO kablam!    |
Aug 11 14:00:45.047 INFO kablam!    = note: #[warn(illegal_floating_point_literal_pattern)] on by default
Aug 11 14:00:45.047 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 14:00:45.047 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Aug 11 14:00:45.047 INFO kablam! 
Aug 11 14:00:45.070 INFO kablam! warning: floating-point types cannot be used in patterns
Aug 11 14:00:45.070 INFO kablam!   --> src/board.rs:22:22
Aug 11 14:00:45.070 INFO kablam!    |
Aug 11 14:00:45.070 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Aug 11 14:00:45.070 INFO kablam!    |                      ^^^^^
Aug 11 14:00:45.070 INFO kablam!    |
Aug 11 14:00:45.070 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 14:00:45.070 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Aug 11 14:00:45.070 INFO kablam! 
Aug 11 14:00:45.101 INFO kablam! warning: variable does not need to be mutable
Aug 11 14:00:45.103 INFO kablam!   --> src/game.rs:70:19
Aug 11 14:00:45.103 INFO kablam!    |
Aug 11 14:00:45.103 INFO kablam! 70 |             .map(|mut row| {
Aug 11 14:00:45.103 INFO kablam!    |                   ----^^^
Aug 11 14:00:45.103 INFO kablam!    |                   |
Aug 11 14:00:45.103 INFO kablam!    |                   help: remove this `mut`
Aug 11 14:00:45.103 INFO kablam!    |
Aug 11 14:00:45.103 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 11 14:00:45.103 INFO kablam! 
Aug 11 14:00:45.114 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Aug 11 14:00:45.114 INFO kablam!   --> src/game.rs:68:9
Aug 11 14:00:45.114 INFO kablam!    |
Aug 11 14:00:45.114 INFO kablam! 68 | /         self.data
Aug 11 14:00:45.114 INFO kablam! 69 | |             .chunks_mut(4)
Aug 11 14:00:45.114 INFO kablam! 70 | |             .map(|mut row| {
Aug 11 14:00:45.114 INFO kablam! 71 | |                 let (new_row, new_score) = match dir {
Aug 11 14:00:45.114 INFO kablam! ...  |
Aug 11 14:00:45.114 INFO kablam! 86 | |             })
Aug 11 14:00:45.114 INFO kablam! 87 | |             .collect::<Vec<_>>();
Aug 11 14:00:45.114 INFO kablam!    | |_________________________________^
Aug 11 14:00:45.114 INFO kablam!    |
Aug 11 14:00:45.114 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Aug 11 14:00:45.114 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Aug 11 14:00:45.114 INFO kablam! 
Aug 11 14:00:45.143 INFO kablam! warning: floating-point types cannot be used in patterns
Aug 11 14:00:45.143 INFO kablam!   --> src/board.rs:22:22
Aug 11 14:00:45.143 INFO kablam!    |
Aug 11 14:00:45.143 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Aug 11 14:00:45.143 INFO kablam!    |                      ^^^^^
Aug 11 14:00:45.144 INFO kablam!    |
Aug 11 14:00:45.144 INFO kablam!    = note: #[warn(illegal_floating_point_literal_pattern)] on by default
Aug 11 14:00:45.144 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 14:00:45.144 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Aug 11 14:00:45.144 INFO kablam! 
Aug 11 14:00:45.195 INFO kablam! warning: floating-point types cannot be used in patterns
Aug 11 14:00:45.195 INFO kablam!   --> src/board.rs:22:22
Aug 11 14:00:45.195 INFO kablam!    |
Aug 11 14:00:45.195 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Aug 11 14:00:45.195 INFO kablam!    |                      ^^^^^
Aug 11 14:00:45.195 INFO kablam!    |
Aug 11 14:00:45.195 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 14:00:45.195 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Aug 11 14:00:45.195 INFO kablam! 
Aug 11 14:00:45.221 INFO kablam! warning: variable does not need to be mutable
Aug 11 14:00:45.221 INFO kablam!   --> src/game.rs:70:19
Aug 11 14:00:45.222 INFO kablam!    |
Aug 11 14:00:45.222 INFO kablam! 70 |             .map(|mut row| {
Aug 11 14:00:45.222 INFO kablam!    |                   ----^^^
Aug 11 14:00:45.222 INFO kablam!    |                   |
Aug 11 14:00:45.222 INFO kablam!    |                   help: remove this `mut`
Aug 11 14:00:45.222 INFO kablam!    |
Aug 11 14:00:45.222 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 11 14:00:45.222 INFO kablam! 
Aug 11 14:00:45.236 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Aug 11 14:00:45.236 INFO kablam!   --> src/game.rs:68:9
Aug 11 14:00:45.236 INFO kablam!    |
Aug 11 14:00:45.236 INFO kablam! 68 | /         self.data
Aug 11 14:00:45.236 INFO kablam! 69 | |             .chunks_mut(4)
Aug 11 14:00:45.236 INFO kablam! 70 | |             .map(|mut row| {
Aug 11 14:00:45.236 INFO kablam! 71 | |                 let (new_row, new_score) = match dir {
Aug 11 14:00:45.237 INFO kablam! ...  |
Aug 11 14:00:45.237 INFO kablam! 86 | |             })
Aug 11 14:00:45.237 INFO kablam! 87 | |             .collect::<Vec<_>>();
Aug 11 14:00:45.237 INFO kablam!    | |_________________________________^
Aug 11 14:00:45.237 INFO kablam!    |
Aug 11 14:00:45.237 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Aug 11 14:00:45.237 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Aug 11 14:00:45.237 INFO kablam! 
Aug 11 14:00:45.253 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.96s
Aug 11 14:00:45.258 INFO kablam! su: No module specific data is present
Aug 11 14:00:46.209 INFO running `"docker" "rm" "-f" "8af369dc894a081ea6feffd1d1e7d0c18672199cf450515d391e7b57ba0ab991"`
Aug 11 14:00:46.317 INFO blam! 8af369dc894a081ea6feffd1d1e7d0c18672199cf450515d391e7b57ba0ab991