Oct 13 15:01:31.250 INFO checking game-2048-0.5.1 against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 13 15:01:31.252 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-1/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 13 15:01:31.709 INFO blam! 047d6e6f4af3e1a735c1e95259dd9d2c5ef2135882beb6fad8f9b905b7a45dfd
Oct 13 15:01:31.710 INFO running `"docker" "start" "-a" "047d6e6f4af3e1a735c1e95259dd9d2c5ef2135882beb6fad8f9b905b7a45dfd"`
Oct 13 15:01:33.448 INFO kablam! usermod: no changes
Oct 13 15:01:33.588 INFO kablam!     Checking matrix_display v0.3.0
Oct 13 15:01:34.548 INFO kablam!     Checking game-2048 v0.5.1 (/source)
Oct 13 15:01:37.316 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Oct 13 15:01:37.316 INFO kablam!  --> src/board.rs:3:24
Oct 13 15:01:37.316 INFO kablam!   |
Oct 13 15:01:37.316 INFO kablam! 3 | use rand::{thread_rng, sample};
Oct 13 15:01:37.316 INFO kablam!   |                        ^^^^^^
Oct 13 15:01:37.316 INFO kablam!   |
Oct 13 15:01:37.316 INFO kablam!   = note: #[warn(deprecated)] on by default
Oct 13 15:01:37.316 INFO kablam! 
Oct 13 15:01:37.316 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Oct 13 15:01:37.316 INFO kablam!   --> src/board.rs:57:22
Oct 13 15:01:37.316 INFO kablam!    |
Oct 13 15:01:37.316 INFO kablam! 57 |         let mut fw = sample(&mut rng, 1..256, 17);
Oct 13 15:01:37.316 INFO kablam!    |                      ^^^^^^
Oct 13 15:01:37.316 INFO kablam! 
Oct 13 15:01:37.376 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Oct 13 15:01:37.376 INFO kablam!  --> src/board.rs:3:24
Oct 13 15:01:37.376 INFO kablam!   |
Oct 13 15:01:37.376 INFO kablam! 3 | use rand::{thread_rng, sample};
Oct 13 15:01:37.376 INFO kablam!   |                        ^^^^^^
Oct 13 15:01:37.376 INFO kablam!   |
Oct 13 15:01:37.376 INFO kablam!   = note: #[warn(deprecated)] on by default
Oct 13 15:01:37.376 INFO kablam! 
Oct 13 15:01:37.384 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Oct 13 15:01:37.384 INFO kablam!   --> src/board.rs:57:22
Oct 13 15:01:37.384 INFO kablam!    |
Oct 13 15:01:37.384 INFO kablam! 57 |         let mut fw = sample(&mut rng, 1..256, 17);
Oct 13 15:01:37.384 INFO kablam!    |                      ^^^^^^
Oct 13 15:01:37.384 INFO kablam! 
Oct 13 15:01:37.564 INFO kablam! warning: floating-point types cannot be used in patterns
Oct 13 15:01:37.564 INFO kablam!   --> src/board.rs:22:22
Oct 13 15:01:37.564 INFO kablam!    |
Oct 13 15:01:37.564 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Oct 13 15:01:37.564 INFO kablam!    |                      ^^^^^
Oct 13 15:01:37.564 INFO kablam!    |
Oct 13 15:01:37.564 INFO kablam!    = note: #[warn(illegal_floating_point_literal_pattern)] on by default
Oct 13 15:01:37.564 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!
Oct 13 15:01:37.564 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Oct 13 15:01:37.564 INFO kablam! 
Oct 13 15:01:37.584 INFO kablam! warning: floating-point types cannot be used in patterns
Oct 13 15:01:37.584 INFO kablam!   --> src/board.rs:22:22
Oct 13 15:01:37.584 INFO kablam!    |
Oct 13 15:01:37.584 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Oct 13 15:01:37.584 INFO kablam!    |                      ^^^^^
Oct 13 15:01:37.584 INFO kablam!    |
Oct 13 15:01:37.584 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!
Oct 13 15:01:37.584 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Oct 13 15:01:37.584 INFO kablam! 
Oct 13 15:01:37.592 INFO kablam! warning: floating-point types cannot be used in patterns
Oct 13 15:01:37.592 INFO kablam!   --> src/board.rs:22:22
Oct 13 15:01:37.592 INFO kablam!    |
Oct 13 15:01:37.592 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Oct 13 15:01:37.592 INFO kablam!    |                      ^^^^^
Oct 13 15:01:37.592 INFO kablam!    |
Oct 13 15:01:37.592 INFO kablam!    = note: #[warn(illegal_floating_point_literal_pattern)] on by default
Oct 13 15:01:37.592 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!
Oct 13 15:01:37.592 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Oct 13 15:01:37.592 INFO kablam! 
Oct 13 15:01:37.616 INFO kablam! warning: variable does not need to be mutable
Oct 13 15:01:37.616 INFO kablam!   --> src/game.rs:70:19
Oct 13 15:01:37.616 INFO kablam!    |
Oct 13 15:01:37.616 INFO kablam! 70 |             .map(|mut row| {
Oct 13 15:01:37.616 INFO kablam!    |                   ----^^^
Oct 13 15:01:37.616 INFO kablam!    |                   |
Oct 13 15:01:37.616 INFO kablam!    |                   help: remove this `mut`
Oct 13 15:01:37.616 INFO kablam!    |
Oct 13 15:01:37.616 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 15:01:37.616 INFO kablam! 
Oct 13 15:01:37.632 INFO kablam! warning: floating-point types cannot be used in patterns
Oct 13 15:01:37.632 INFO kablam!   --> src/board.rs:22:22
Oct 13 15:01:37.632 INFO kablam!    |
Oct 13 15:01:37.632 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Oct 13 15:01:37.632 INFO kablam!    |                      ^^^^^
Oct 13 15:01:37.632 INFO kablam!    |
Oct 13 15:01:37.632 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!
Oct 13 15:01:37.632 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Oct 13 15:01:37.632 INFO kablam! 
Oct 13 15:01:37.633 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Oct 13 15:01:37.633 INFO kablam!   --> src/game.rs:68:9
Oct 13 15:01:37.633 INFO kablam!    |
Oct 13 15:01:37.633 INFO kablam! 68 | /         self.data
Oct 13 15:01:37.633 INFO kablam! 69 | |             .chunks_mut(4)
Oct 13 15:01:37.633 INFO kablam! 70 | |             .map(|mut row| {
Oct 13 15:01:37.633 INFO kablam! 71 | |                 let (new_row, new_score) = match dir {
Oct 13 15:01:37.633 INFO kablam! ...  |
Oct 13 15:01:37.633 INFO kablam! 86 | |             })
Oct 13 15:01:37.633 INFO kablam! 87 | |             .collect::<Vec<_>>();
Oct 13 15:01:37.633 INFO kablam!    | |_________________________________^
Oct 13 15:01:37.633 INFO kablam!    |
Oct 13 15:01:37.633 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 13 15:01:37.633 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Oct 13 15:01:37.633 INFO kablam! 
Oct 13 15:01:37.652 INFO kablam! warning: variable does not need to be mutable
Oct 13 15:01:37.652 INFO kablam!   --> src/game.rs:70:19
Oct 13 15:01:37.652 INFO kablam!    |
Oct 13 15:01:37.652 INFO kablam! 70 |             .map(|mut row| {
Oct 13 15:01:37.652 INFO kablam!    |                   ----^^^
Oct 13 15:01:37.652 INFO kablam!    |                   |
Oct 13 15:01:37.652 INFO kablam!    |                   help: remove this `mut`
Oct 13 15:01:37.652 INFO kablam!    |
Oct 13 15:01:37.652 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 15:01:37.652 INFO kablam! 
Oct 13 15:01:37.659 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Oct 13 15:01:37.659 INFO kablam!   --> src/game.rs:68:9
Oct 13 15:01:37.659 INFO kablam!    |
Oct 13 15:01:37.659 INFO kablam! 68 | /         self.data
Oct 13 15:01:37.659 INFO kablam! 69 | |             .chunks_mut(4)
Oct 13 15:01:37.659 INFO kablam! 70 | |             .map(|mut row| {
Oct 13 15:01:37.659 INFO kablam! 71 | |                 let (new_row, new_score) = match dir {
Oct 13 15:01:37.659 INFO kablam! ...  |
Oct 13 15:01:37.659 INFO kablam! 86 | |             })
Oct 13 15:01:37.659 INFO kablam! 87 | |             .collect::<Vec<_>>();
Oct 13 15:01:37.659 INFO kablam!    | |_________________________________^
Oct 13 15:01:37.659 INFO kablam!    |
Oct 13 15:01:37.659 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 13 15:01:37.659 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Oct 13 15:01:37.659 INFO kablam! 
Oct 13 15:01:37.689 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.21s
Oct 13 15:01:37.696 INFO kablam! su: No module specific data is present
Oct 13 15:01:38.504 INFO running `"docker" "rm" "-f" "047d6e6f4af3e1a735c1e95259dd9d2c5ef2135882beb6fad8f9b905b7a45dfd"`
Oct 13 15:01:38.788 INFO blam! 047d6e6f4af3e1a735c1e95259dd9d2c5ef2135882beb6fad8f9b905b7a45dfd