Oct 13 15:01:30.286 INFO checking game-2048-0.5.1 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 15:01:30.288 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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 15:01:30.844 INFO blam! a686230ef3e74c415e19a869bff8c8f5392ba198acc920c934b350ff06f129a5
Oct 13 15:01:30.846 INFO running `"docker" "start" "-a" "a686230ef3e74c415e19a869bff8c8f5392ba198acc920c934b350ff06f129a5"`
Oct 13 15:01:32.371 INFO kablam! usermod: no changes
Oct 13 15:01:32.532 INFO kablam!     Checking matrix_display v0.3.0
Oct 13 15:01:33.572 INFO kablam!     Checking game-2048 v0.5.1 (/source)
Oct 13 15:01:36.079 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Oct 13 15:01:36.080 INFO kablam!  --> src/board.rs:3:24
Oct 13 15:01:36.080 INFO kablam!   |
Oct 13 15:01:36.080 INFO kablam! 3 | use rand::{thread_rng, sample};
Oct 13 15:01:36.080 INFO kablam!   |                        ^^^^^^
Oct 13 15:01:36.080 INFO kablam!   |
Oct 13 15:01:36.080 INFO kablam!   = note: #[warn(deprecated)] on by default
Oct 13 15:01:36.080 INFO kablam! 
Oct 13 15:01:36.080 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Oct 13 15:01:36.080 INFO kablam!   --> src/board.rs:57:22
Oct 13 15:01:36.080 INFO kablam!    |
Oct 13 15:01:36.080 INFO kablam! 57 |         let mut fw = sample(&mut rng, 1..256, 17);
Oct 13 15:01:36.080 INFO kablam!    |                      ^^^^^^
Oct 13 15:01:36.080 INFO kablam! 
Oct 13 15:01:36.340 INFO kablam! warning: floating-point types cannot be used in patterns
Oct 13 15:01:36.341 INFO kablam!   --> src/board.rs:22:22
Oct 13 15:01:36.341 INFO kablam!    |
Oct 13 15:01:36.341 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Oct 13 15:01:36.341 INFO kablam!    |                      ^^^^^
Oct 13 15:01:36.341 INFO kablam!    |
Oct 13 15:01:36.341 INFO kablam!    = note: #[warn(illegal_floating_point_literal_pattern)] on by default
Oct 13 15:01:36.341 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 15:01:36.341 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Oct 13 15:01:36.341 INFO kablam! 
Oct 13 15:01:36.360 INFO kablam! warning: floating-point types cannot be used in patterns
Oct 13 15:01:36.361 INFO kablam!   --> src/board.rs:22:22
Oct 13 15:01:36.361 INFO kablam!    |
Oct 13 15:01:36.361 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Oct 13 15:01:36.361 INFO kablam!    |                      ^^^^^
Oct 13 15:01:36.361 INFO kablam!    |
Oct 13 15:01:36.364 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 15:01:36.365 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Oct 13 15:01:36.365 INFO kablam! 
Oct 13 15:01:36.401 INFO kablam! warning: variable does not need to be mutable
Oct 13 15:01:36.401 INFO kablam!   --> src/game.rs:70:19
Oct 13 15:01:36.402 INFO kablam!    |
Oct 13 15:01:36.402 INFO kablam! 70 |             .map(|mut row| {
Oct 13 15:01:36.402 INFO kablam!    |                   ----^^^
Oct 13 15:01:36.402 INFO kablam!    |                   |
Oct 13 15:01:36.402 INFO kablam!    |                   help: remove this `mut`
Oct 13 15:01:36.402 INFO kablam!    |
Oct 13 15:01:36.402 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 15:01:36.402 INFO kablam! 
Oct 13 15:01:36.416 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Oct 13 15:01:36.417 INFO kablam!   --> src/game.rs:68:9
Oct 13 15:01:36.417 INFO kablam!    |
Oct 13 15:01:36.417 INFO kablam! 68 | /         self.data
Oct 13 15:01:36.417 INFO kablam! 69 | |             .chunks_mut(4)
Oct 13 15:01:36.417 INFO kablam! 70 | |             .map(|mut row| {
Oct 13 15:01:36.417 INFO kablam! 71 | |                 let (new_row, new_score) = match dir {
Oct 13 15:01:36.417 INFO kablam! ...  |
Oct 13 15:01:36.417 INFO kablam! 86 | |             })
Oct 13 15:01:36.417 INFO kablam! 87 | |             .collect::<Vec<_>>();
Oct 13 15:01:36.419 INFO kablam!    | |_________________________________^
Oct 13 15:01:36.419 INFO kablam!    |
Oct 13 15:01:36.419 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 13 15:01:36.419 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Oct 13 15:01:36.419 INFO kablam! 
Oct 13 15:01:36.572 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Oct 13 15:01:36.573 INFO kablam!  --> src/board.rs:3:24
Oct 13 15:01:36.573 INFO kablam!   |
Oct 13 15:01:36.573 INFO kablam! 3 | use rand::{thread_rng, sample};
Oct 13 15:01:36.573 INFO kablam!   |                        ^^^^^^
Oct 13 15:01:36.573 INFO kablam!   |
Oct 13 15:01:36.573 INFO kablam!   = note: #[warn(deprecated)] on by default
Oct 13 15:01:36.573 INFO kablam! 
Oct 13 15:01:36.573 INFO kablam! warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Oct 13 15:01:36.573 INFO kablam!   --> src/board.rs:57:22
Oct 13 15:01:36.573 INFO kablam!    |
Oct 13 15:01:36.576 INFO kablam! 57 |         let mut fw = sample(&mut rng, 1..256, 17);
Oct 13 15:01:36.576 INFO kablam!    |                      ^^^^^^
Oct 13 15:01:36.576 INFO kablam! 
Oct 13 15:01:36.771 INFO kablam! warning: floating-point types cannot be used in patterns
Oct 13 15:01:36.772 INFO kablam!   --> src/board.rs:22:22
Oct 13 15:01:36.772 INFO kablam!    |
Oct 13 15:01:36.772 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Oct 13 15:01:36.772 INFO kablam!    |                      ^^^^^
Oct 13 15:01:36.772 INFO kablam!    |
Oct 13 15:01:36.772 INFO kablam!    = note: #[warn(illegal_floating_point_literal_pattern)] on by default
Oct 13 15:01:36.772 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 15:01:36.772 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Oct 13 15:01:36.772 INFO kablam! 
Oct 13 15:01:36.805 INFO kablam! warning: floating-point types cannot be used in patterns
Oct 13 15:01:36.806 INFO kablam!   --> src/board.rs:22:22
Oct 13 15:01:36.806 INFO kablam!    |
Oct 13 15:01:36.806 INFO kablam! 22 |                      1_f64 => (".".to_string(), col),
Oct 13 15:01:36.806 INFO kablam!    |                      ^^^^^
Oct 13 15:01:36.806 INFO kablam!    |
Oct 13 15:01:36.806 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 15:01:36.806 INFO kablam!    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Oct 13 15:01:36.806 INFO kablam! 
Oct 13 15:01:36.826 INFO kablam! warning: variable does not need to be mutable
Oct 13 15:01:36.827 INFO kablam!   --> src/game.rs:70:19
Oct 13 15:01:36.827 INFO kablam!    |
Oct 13 15:01:36.827 INFO kablam! 70 |             .map(|mut row| {
Oct 13 15:01:36.827 INFO kablam!    |                   ----^^^
Oct 13 15:01:36.827 INFO kablam!    |                   |
Oct 13 15:01:36.827 INFO kablam!    |                   help: remove this `mut`
Oct 13 15:01:36.827 INFO kablam!    |
Oct 13 15:01:36.827 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 15:01:36.827 INFO kablam! 
Oct 13 15:01:36.837 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Oct 13 15:01:36.837 INFO kablam!   --> src/game.rs:68:9
Oct 13 15:01:36.837 INFO kablam!    |
Oct 13 15:01:36.837 INFO kablam! 68 | /         self.data
Oct 13 15:01:36.837 INFO kablam! 69 | |             .chunks_mut(4)
Oct 13 15:01:36.837 INFO kablam! 70 | |             .map(|mut row| {
Oct 13 15:01:36.837 INFO kablam! 71 | |                 let (new_row, new_score) = match dir {
Oct 13 15:01:36.837 INFO kablam! ...  |
Oct 13 15:01:36.838 INFO kablam! 86 | |             })
Oct 13 15:01:36.838 INFO kablam! 87 | |             .collect::<Vec<_>>();
Oct 13 15:01:36.838 INFO kablam!    | |_________________________________^
Oct 13 15:01:36.838 INFO kablam!    |
Oct 13 15:01:36.838 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 13 15:01:36.838 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Oct 13 15:01:36.838 INFO kablam! 
Oct 13 15:01:36.889 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.48s
Oct 13 15:01:36.900 INFO kablam! su: No module specific data is present
Oct 13 15:01:38.400 INFO running `"docker" "rm" "-f" "a686230ef3e74c415e19a869bff8c8f5392ba198acc920c934b350ff06f129a5"`
Oct 13 15:01:38.758 INFO blam! a686230ef3e74c415e19a869bff8c8f5392ba198acc920c934b350ff06f129a5