Nov 30 22:39:42.647 INFO checking game-2048-0.5.1 against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 22:39:42.647 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-5/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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"`
Nov 30 22:39:43.160 INFO [stdout] f8f72913ed3fb806e1975a2e0114e4deda7615ccc7a2d6b09769b42885a1d7ad
Nov 30 22:39:43.166 INFO running `"docker" "start" "-a" "f8f72913ed3fb806e1975a2e0114e4deda7615ccc7a2d6b09769b42885a1d7ad"`
Nov 30 22:39:44.315 INFO [stderr] usermod: no changes
Nov 30 22:39:44.440 INFO [stderr]     Checking matrix_display v0.3.0
Nov 30 22:39:45.424 INFO [stderr]     Checking game-2048 v0.5.1 (/source)
Nov 30 22:39:47.396 INFO [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Nov 30 22:39:47.396 INFO [stderr]  --> src/board.rs:3:24
Nov 30 22:39:47.396 INFO [stderr]   |
Nov 30 22:39:47.396 INFO [stderr] 3 | use rand::{thread_rng, sample};
Nov 30 22:39:47.396 INFO [stderr]   |                        ^^^^^^
Nov 30 22:39:47.396 INFO [stderr]   |
Nov 30 22:39:47.396 INFO [stderr]   = note: #[warn(deprecated)] on by default
Nov 30 22:39:47.396 INFO [stderr] 
Nov 30 22:39:47.396 INFO [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Nov 30 22:39:47.396 INFO [stderr]   --> src/board.rs:57:22
Nov 30 22:39:47.396 INFO [stderr]    |
Nov 30 22:39:47.396 INFO [stderr] 57 |         let mut fw = sample(&mut rng, 1..256, 17);
Nov 30 22:39:47.396 INFO [stderr]    |                      ^^^^^^
Nov 30 22:39:47.396 INFO [stderr] 
Nov 30 22:39:47.528 INFO [stderr] warning: floating-point types cannot be used in patterns
Nov 30 22:39:47.528 INFO [stderr]   --> src/board.rs:22:22
Nov 30 22:39:47.528 INFO [stderr]    |
Nov 30 22:39:47.528 INFO [stderr] 22 |                      1_f64 => (".".to_string(), col),
Nov 30 22:39:47.528 INFO [stderr]    |                      ^^^^^
Nov 30 22:39:47.528 INFO [stderr]    |
Nov 30 22:39:47.528 INFO [stderr]    = note: #[warn(illegal_floating_point_literal_pattern)] on by default
Nov 30 22:39:47.528 INFO [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Nov 30 22:39:47.528 INFO [stderr]    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Nov 30 22:39:47.528 INFO [stderr] 
Nov 30 22:39:47.544 INFO [stderr] warning: floating-point types cannot be used in patterns
Nov 30 22:39:47.544 INFO [stderr]   --> src/board.rs:22:22
Nov 30 22:39:47.544 INFO [stderr]    |
Nov 30 22:39:47.544 INFO [stderr] 22 |                      1_f64 => (".".to_string(), col),
Nov 30 22:39:47.544 INFO [stderr]    |                      ^^^^^
Nov 30 22:39:47.544 INFO [stderr]    |
Nov 30 22:39:47.544 INFO [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Nov 30 22:39:47.544 INFO [stderr]    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Nov 30 22:39:47.544 INFO [stderr] 
Nov 30 22:39:47.561 INFO [stderr] warning: variable does not need to be mutable
Nov 30 22:39:47.561 INFO [stderr]   --> src/game.rs:70:19
Nov 30 22:39:47.561 INFO [stderr]    |
Nov 30 22:39:47.561 INFO [stderr] 70 |             .map(|mut row| {
Nov 30 22:39:47.561 INFO [stderr]    |                   ----^^^
Nov 30 22:39:47.561 INFO [stderr]    |                   |
Nov 30 22:39:47.561 INFO [stderr]    |                   help: remove this `mut`
Nov 30 22:39:47.561 INFO [stderr]    |
Nov 30 22:39:47.561 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 22:39:47.561 INFO [stderr] 
Nov 30 22:39:47.568 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 30 22:39:47.568 INFO [stderr]   --> src/game.rs:68:9
Nov 30 22:39:47.568 INFO [stderr]    |
Nov 30 22:39:47.568 INFO [stderr] 68 | /         self.data
Nov 30 22:39:47.568 INFO [stderr] 69 | |             .chunks_mut(4)
Nov 30 22:39:47.568 INFO [stderr] 70 | |             .map(|mut row| {
Nov 30 22:39:47.568 INFO [stderr] 71 | |                 let (new_row, new_score) = match dir {
Nov 30 22:39:47.568 INFO [stderr] ...  |
Nov 30 22:39:47.568 INFO [stderr] 86 | |             })
Nov 30 22:39:47.568 INFO [stderr] 87 | |             .collect::<Vec<_>>();
Nov 30 22:39:47.568 INFO [stderr]    | |_________________________________^
Nov 30 22:39:47.568 INFO [stderr]    |
Nov 30 22:39:47.568 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 22:39:47.568 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 30 22:39:47.568 INFO [stderr] 
Nov 30 22:39:47.611 INFO [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Nov 30 22:39:47.611 INFO [stderr]  --> src/board.rs:3:24
Nov 30 22:39:47.611 INFO [stderr]   |
Nov 30 22:39:47.611 INFO [stderr] 3 | use rand::{thread_rng, sample};
Nov 30 22:39:47.611 INFO [stderr]   |                        ^^^^^^
Nov 30 22:39:47.611 INFO [stderr]   |
Nov 30 22:39:47.611 INFO [stderr]   = note: #[warn(deprecated)] on by default
Nov 30 22:39:47.611 INFO [stderr] 
Nov 30 22:39:47.612 INFO [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
Nov 30 22:39:47.612 INFO [stderr]   --> src/board.rs:57:22
Nov 30 22:39:47.612 INFO [stderr]    |
Nov 30 22:39:47.612 INFO [stderr] 57 |         let mut fw = sample(&mut rng, 1..256, 17);
Nov 30 22:39:47.612 INFO [stderr]    |                      ^^^^^^
Nov 30 22:39:47.612 INFO [stderr] 
Nov 30 22:39:47.772 INFO [stderr] warning: floating-point types cannot be used in patterns
Nov 30 22:39:47.772 INFO [stderr]   --> src/board.rs:22:22
Nov 30 22:39:47.772 INFO [stderr]    |
Nov 30 22:39:47.772 INFO [stderr] 22 |                      1_f64 => (".".to_string(), col),
Nov 30 22:39:47.772 INFO [stderr]    |                      ^^^^^
Nov 30 22:39:47.772 INFO [stderr]    |
Nov 30 22:39:47.780 INFO [stderr]    = note: #[warn(illegal_floating_point_literal_pattern)] on by default
Nov 30 22:39:47.780 INFO [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Nov 30 22:39:47.780 INFO [stderr]    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Nov 30 22:39:47.780 INFO [stderr] 
Nov 30 22:39:47.809 INFO [stderr] warning: floating-point types cannot be used in patterns
Nov 30 22:39:47.809 INFO [stderr]   --> src/board.rs:22:22
Nov 30 22:39:47.809 INFO [stderr]    |
Nov 30 22:39:47.809 INFO [stderr] 22 |                      1_f64 => (".".to_string(), col),
Nov 30 22:39:47.809 INFO [stderr]    |                      ^^^^^
Nov 30 22:39:47.809 INFO [stderr]    |
Nov 30 22:39:47.809 INFO [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Nov 30 22:39:47.809 INFO [stderr]    = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Nov 30 22:39:47.809 INFO [stderr] 
Nov 30 22:39:47.824 INFO [stderr] warning: variable does not need to be mutable
Nov 30 22:39:47.824 INFO [stderr]   --> src/game.rs:70:19
Nov 30 22:39:47.824 INFO [stderr]    |
Nov 30 22:39:47.824 INFO [stderr] 70 |             .map(|mut row| {
Nov 30 22:39:47.824 INFO [stderr]    |                   ----^^^
Nov 30 22:39:47.824 INFO [stderr]    |                   |
Nov 30 22:39:47.824 INFO [stderr]    |                   help: remove this `mut`
Nov 30 22:39:47.824 INFO [stderr]    |
Nov 30 22:39:47.824 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 22:39:47.824 INFO [stderr] 
Nov 30 22:39:47.835 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 30 22:39:47.835 INFO [stderr]   --> src/game.rs:68:9
Nov 30 22:39:47.835 INFO [stderr]    |
Nov 30 22:39:47.835 INFO [stderr] 68 | /         self.data
Nov 30 22:39:47.835 INFO [stderr] 69 | |             .chunks_mut(4)
Nov 30 22:39:47.835 INFO [stderr] 70 | |             .map(|mut row| {
Nov 30 22:39:47.835 INFO [stderr] 71 | |                 let (new_row, new_score) = match dir {
Nov 30 22:39:47.835 INFO [stderr] ...  |
Nov 30 22:39:47.835 INFO [stderr] 86 | |             })
Nov 30 22:39:47.835 INFO [stderr] 87 | |             .collect::<Vec<_>>();
Nov 30 22:39:47.835 INFO [stderr]    | |_________________________________^
Nov 30 22:39:47.835 INFO [stderr]    |
Nov 30 22:39:47.835 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 22:39:47.835 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 30 22:39:47.835 INFO [stderr] 
Nov 30 22:39:47.859 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.52s
Nov 30 22:39:47.865 INFO [stderr] su: No module specific data is present
Nov 30 22:39:48.680 INFO running `"docker" "inspect" "f8f72913ed3fb806e1975a2e0114e4deda7615ccc7a2d6b09769b42885a1d7ad"`
Nov 30 22:39:48.958 INFO running `"docker" "rm" "-f" "f8f72913ed3fb806e1975a2e0114e4deda7615ccc7a2d6b09769b42885a1d7ad"`
Nov 30 22:39:49.224 INFO [stdout] f8f72913ed3fb806e1975a2e0114e4deda7615ccc7a2d6b09769b42885a1d7ad