Sep 21 10:08:05.918 INFO checking game-2048-0.5.1 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 10:08:05.918 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 10:08:05.918 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-2/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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 +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 10:08:06.099 INFO blam! f1c0db554220ec0e803de7dd00289d142ebd528cb380410b94db22f04d712aea
Sep 21 10:08:06.106 INFO running `"docker" "start" "-a" "f1c0db554220ec0e803de7dd00289d142ebd528cb380410b94db22f04d712aea"`
Sep 21 10:08:07.064 INFO kablam! usermod: no changes
Sep 21 10:08:07.162 INFO kablam!     Checking matrix_display v0.3.0
Sep 21 10:08:07.610 INFO kablam!     Checking game-2048 v0.5.1 (/source)
Sep 21 10:08:08.434 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Sep 21 10:08:08.434 INFO kablam!  --> src/board.rs:3:24
Sep 21 10:08:08.434 INFO kablam!   |
Sep 21 10:08:08.434 INFO kablam! 3 | use rand::{thread_rng, sample};
Sep 21 10:08:08.434 INFO kablam!   |                        ^^^^^^
Sep 21 10:08:08.434 INFO kablam!   |
Sep 21 10:08:08.434 INFO kablam!   = note: #[warn(deprecated)] on by default
Sep 21 10:08:08.434 INFO kablam! 
Sep 21 10:08:08.434 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Sep 21 10:08:08.434 INFO kablam!   --> src/board.rs:57:22
Sep 21 10:08:08.434 INFO kablam!    |
Sep 21 10:08:08.434 INFO kablam! 57 |         let mut fw = sample(&mut rng, 1..256, 17);
Sep 21 10:08:08.434 INFO kablam!    |                      ^^^^^^
Sep 21 10:08:08.434 INFO kablam! 
Sep 21 10:08:08.478 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Sep 21 10:08:08.478 INFO kablam!  --> src/board.rs:3:24
Sep 21 10:08:08.478 INFO kablam!   |
Sep 21 10:08:08.478 INFO kablam! 3 | use rand::{thread_rng, sample};
Sep 21 10:08:08.478 INFO kablam!   |                        ^^^^^^
Sep 21 10:08:08.478 INFO kablam!   |
Sep 21 10:08:08.478 INFO kablam!   = note: #[warn(deprecated)] on by default
Sep 21 10:08:08.478 INFO kablam! 
Sep 21 10:08:08.478 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Sep 21 10:08:08.478 INFO kablam!   --> src/board.rs:57:22
Sep 21 10:08:08.478 INFO kablam!    |
Sep 21 10:08:08.478 INFO kablam! 57 |         let mut fw = sample(&mut rng, 1..256, 17);
Sep 21 10:08:08.478 INFO kablam!    |                      ^^^^^^
Sep 21 10:08:08.478 INFO kablam! 
Sep 21 10:08:08.562 INFO kablam! warning: floating-point types cannot be used in patterns
Sep 21 10:08:08.562 INFO kablam!   --> src/board.rs:22:22
Sep 21 10:08:08.562 INFO kablam!    |
Sep 21 10:08:08.562 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Sep 21 10:08:08.562 INFO kablam!    |                      ^^^^^
Sep 21 10:08:08.562 INFO kablam!    |
Sep 21 10:08:08.562 INFO kablam!    = note: #[warn(illegal_floating_point_literal_pattern)] on by default
Sep 21 10:08:08.562 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 21 10:08:08.562 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Sep 21 10:08:08.562 INFO kablam! 
Sep 21 10:08:08.578 INFO kablam! warning: floating-point types cannot be used in patterns
Sep 21 10:08:08.578 INFO kablam!   --> src/board.rs:22:22
Sep 21 10:08:08.578 INFO kablam!    |
Sep 21 10:08:08.578 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Sep 21 10:08:08.578 INFO kablam!    |                      ^^^^^
Sep 21 10:08:08.578 INFO kablam!    |
Sep 21 10:08:08.578 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 21 10:08:08.578 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Sep 21 10:08:08.578 INFO kablam! 
Sep 21 10:08:08.590 INFO kablam! warning: variable does not need to be mutable
Sep 21 10:08:08.590 INFO kablam!   --> src/game.rs:70:19
Sep 21 10:08:08.590 INFO kablam!    |
Sep 21 10:08:08.590 INFO kablam! 70 |             .map(|mut row| {
Sep 21 10:08:08.590 INFO kablam!    |                   ----^^^
Sep 21 10:08:08.590 INFO kablam!    |                   |
Sep 21 10:08:08.591 INFO kablam!    |                   help: remove this `mut`
Sep 21 10:08:08.591 INFO kablam!    |
Sep 21 10:08:08.591 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 21 10:08:08.591 INFO kablam! 
Sep 21 10:08:08.597 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 21 10:08:08.597 INFO kablam!   --> src/game.rs:68:9
Sep 21 10:08:08.597 INFO kablam!    |
Sep 21 10:08:08.597 INFO kablam! 68 | /         self.data
Sep 21 10:08:08.597 INFO kablam! 69 | |             .chunks_mut(4)
Sep 21 10:08:08.597 INFO kablam! 70 | |             .map(|mut row| {
Sep 21 10:08:08.597 INFO kablam! 71 | |                 let (new_row, new_score) = match dir {
Sep 21 10:08:08.597 INFO kablam! ...  |
Sep 21 10:08:08.597 INFO kablam! 86 | |             })
Sep 21 10:08:08.597 INFO kablam! 87 | |             .collect::<Vec<_>>();
Sep 21 10:08:08.597 INFO kablam!    | |_________________________________^
Sep 21 10:08:08.597 INFO kablam!    |
Sep 21 10:08:08.597 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 21 10:08:08.597 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 21 10:08:08.597 INFO kablam! 
Sep 21 10:08:08.652 INFO kablam! warning: floating-point types cannot be used in patterns
Sep 21 10:08:08.652 INFO kablam!   --> src/board.rs:22:22
Sep 21 10:08:08.652 INFO kablam!    |
Sep 21 10:08:08.652 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Sep 21 10:08:08.652 INFO kablam!    |                      ^^^^^
Sep 21 10:08:08.652 INFO kablam!    |
Sep 21 10:08:08.652 INFO kablam!    = note: #[warn(illegal_floating_point_literal_pattern)] on by default
Sep 21 10:08:08.652 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 21 10:08:08.652 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Sep 21 10:08:08.652 INFO kablam! 
Sep 21 10:08:08.686 INFO kablam! warning: floating-point types cannot be used in patterns
Sep 21 10:08:08.686 INFO kablam!   --> src/board.rs:22:22
Sep 21 10:08:08.686 INFO kablam!    |
Sep 21 10:08:08.686 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Sep 21 10:08:08.686 INFO kablam!    |                      ^^^^^
Sep 21 10:08:08.686 INFO kablam!    |
Sep 21 10:08:08.686 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 21 10:08:08.686 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Sep 21 10:08:08.686 INFO kablam! 
Sep 21 10:08:08.707 INFO kablam! warning: variable does not need to be mutable
Sep 21 10:08:08.707 INFO kablam!   --> src/game.rs:70:19
Sep 21 10:08:08.707 INFO kablam!    |
Sep 21 10:08:08.707 INFO kablam! 70 |             .map(|mut row| {
Sep 21 10:08:08.707 INFO kablam!    |                   ----^^^
Sep 21 10:08:08.707 INFO kablam!    |                   |
Sep 21 10:08:08.707 INFO kablam!    |                   help: remove this `mut`
Sep 21 10:08:08.707 INFO kablam!    |
Sep 21 10:08:08.707 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 21 10:08:08.707 INFO kablam! 
Sep 21 10:08:08.715 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Sep 21 10:08:08.715 INFO kablam!   --> src/game.rs:68:9
Sep 21 10:08:08.715 INFO kablam!    |
Sep 21 10:08:08.715 INFO kablam! 68 | /         self.data
Sep 21 10:08:08.715 INFO kablam! 69 | |             .chunks_mut(4)
Sep 21 10:08:08.715 INFO kablam! 70 | |             .map(|mut row| {
Sep 21 10:08:08.716 INFO kablam! 71 | |                 let (new_row, new_score) = match dir {
Sep 21 10:08:08.716 INFO kablam! ...  |
Sep 21 10:08:08.716 INFO kablam! 86 | |             })
Sep 21 10:08:08.716 INFO kablam! 87 | |             .collect::<Vec<_>>();
Sep 21 10:08:08.716 INFO kablam!    | |_________________________________^
Sep 21 10:08:08.716 INFO kablam!    |
Sep 21 10:08:08.716 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 21 10:08:08.716 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Sep 21 10:08:08.716 INFO kablam! 
Sep 21 10:08:08.747 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.66s
Sep 21 10:08:08.752 INFO kablam! su: No module specific data is present
Sep 21 10:08:09.268 INFO running `"docker" "rm" "-f" "f1c0db554220ec0e803de7dd00289d142ebd528cb380410b94db22f04d712aea"`
Sep 21 10:08:09.354 INFO blam! f1c0db554220ec0e803de7dd00289d142ebd528cb380410b94db22f04d712aea