Oct 21 14:46:47.418 INFO checking pierrechevalier83/2048-rs against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192
Oct 21 14:46:47.418 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192/worker-1/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-55192/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-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 21 14:46:47.810 INFO blam! 23e81553254a66da9f3706afe59bd46a43bc57d7fd4f9f37c5f2affa59326fc7
Oct 21 14:46:47.824 INFO running `"docker" "start" "-a" "23e81553254a66da9f3706afe59bd46a43bc57d7fd4f9f37c5f2affa59326fc7"`
Oct 21 14:46:48.879 INFO kablam! usermod: no changes
Oct 21 14:46:48.992 INFO kablam!     Checking termion v1.2.0
Oct 21 14:46:48.992 INFO kablam!     Checking num-complex v0.1.36
Oct 21 14:46:48.992 INFO kablam!     Checking matrix_display v0.3.0
Oct 21 14:46:49.056 INFO kablam!     Checking num-bigint v0.1.36
Oct 21 14:46:51.415 INFO kablam!     Checking num-rational v0.1.36
Oct 21 14:46:52.015 INFO kablam!     Checking num v0.1.37
Oct 21 14:46:52.360 INFO kablam!     Checking game-2048 v0.5.1 (/source)
Oct 21 14:46:53.397 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Oct 21 14:46:53.397 INFO kablam!   --> src/game.rs:69:9
Oct 21 14:46:53.397 INFO kablam!    |
Oct 21 14:46:53.398 INFO kablam! 69 | /         self.data
Oct 21 14:46:53.398 INFO kablam! 70 | |             .chunks_mut(4)
Oct 21 14:46:53.398 INFO kablam! 71 | |             .map(|row| {
Oct 21 14:46:53.399 INFO kablam! 72 | |                 let (new_row, new_score) = match dir {
Oct 21 14:46:53.399 INFO kablam! ...  |
Oct 21 14:46:53.399 INFO kablam! 87 | |             })
Oct 21 14:46:53.400 INFO kablam! 88 | |             .collect::<Vec<_>>();
Oct 21 14:46:53.400 INFO kablam!    | |_________________________________^
Oct 21 14:46:53.400 INFO kablam!    |
Oct 21 14:46:53.401 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 21 14:46:53.401 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Oct 21 14:46:53.401 INFO kablam! 
Oct 21 14:46:53.557 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Oct 21 14:46:53.557 INFO kablam!   --> src/game.rs:69:9
Oct 21 14:46:53.558 INFO kablam!    |
Oct 21 14:46:53.558 INFO kablam! 69 | /         self.data
Oct 21 14:46:53.558 INFO kablam! 70 | |             .chunks_mut(4)
Oct 21 14:46:53.559 INFO kablam! 71 | |             .map(|row| {
Oct 21 14:46:53.559 INFO kablam! 72 | |                 let (new_row, new_score) = match dir {
Oct 21 14:46:53.559 INFO kablam! ...  |
Oct 21 14:46:53.560 INFO kablam! 87 | |             })
Oct 21 14:46:53.560 INFO kablam! 88 | |             .collect::<Vec<_>>();
Oct 21 14:46:53.560 INFO kablam!    | |_________________________________^
Oct 21 14:46:53.561 INFO kablam!    |
Oct 21 14:46:53.561 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 21 14:46:53.561 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Oct 21 14:46:53.561 INFO kablam! 
Oct 21 14:46:53.600 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.68s
Oct 21 14:46:53.604 INFO kablam! su: No module specific data is present
Oct 21 14:46:54.788 INFO running `"docker" "rm" "-f" "23e81553254a66da9f3706afe59bd46a43bc57d7fd4f9f37c5f2affa59326fc7"`
Oct 21 14:46:55.084 INFO blam! 23e81553254a66da9f3706afe59bd46a43bc57d7fd4f9f37c5f2affa59326fc7